The present invention relates to a range extension device, particularly to a reversible range extension device (43), especially reversible base bleed device (47). There is provided a reversible range extension device (43), capable in use, of being reversibly engaged to a body (32) of an artillery shell, said range extension device comprising at least one energetic material (48), and an igniter, wherein the range extension device comprises a first end with an aperture (45), and second closed end (44), wherein the range extension device, in use, is selectively arranged to be in an active orientation or inert orientation, wherein in the active orientation the range extension device is arranged such that the aperture faces rearwardly away from the shell to allow the range extension device to function, and in the inert orientation the range extension device is arranged such that the aperture faces inwardly towards the shell.
The present invention relates to an improved range extension device, particularly to a modular rocket assist device. A range extension device, capable in use of being reversibly engaged to a body of an artillery carrier shell, said shell comprising a payload cavity, said range extension device comprising an internal cavity comprising at least one energetic material charge, and an igniter, wherein the range extension device comprises a first region with an aperture which faces rearwardly, and second region with a closed end, wherein the closed end in use extends into the payload cavity of the carrier shell.
The present invention relates to the ruggedisation of electronic enclosures, particularly to the shock protection of racks, cabinets and enclosures of computers and servers.There is provided a ruggedised electronic enclosure, comprising a chassis, and a plurality of hardware components, wherein there is a reinforcement spine connected to the chassis and at least one hardware component, to prevent movement of said component during a shock-loading event.
The present invention provides an alignment device for aligning a corner-casting during installation. The alignment device comprises a body adapted to fit within a corner-casting aperture and to engage with the edges of the aperture with a friction fit, wherein the upper surface of the body comprises a visual guide. A kit and method of installing a corner-casting are also provided.
B63B 25/24 - Means for preventing unwanted cargo movement, e.g. dunnage
B63B 25/28 - Load-accommodating arrangements, e.g. stowing or trimming; Vessels characterised thereby for deck loads
B63B 73/60 - Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by automation, e.g. use of robots
B63B 73/20 - Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
Air data estimation involves determining values of air data parameters such as airspeed, altitude, angle of attack and angle of sideslip. Accurate determination of air data parameter values is crucial to enable accurate control of an aircraft. An aircraft has an air data estimator comprising a machine learning model having been trained to predict air data parameter values from input values. The air data estimator is operable in real time on input values, where the input values are sensor data only from sensors internal to the aircraft or data derived from such sensor data
B64D 43/02 - Arrangements or adaptations of instruments for indicating aircraft speed or stalling conditions
G01C 23/00 - Combined instruments indicating more than one navigational value, e.g. for aircraft; Combined measuring devices for measuring two or more variables of movement, e.g. distance, speed or acceleration
A computer-implemented method of computing training data for training an air data estimator (106) to predict values of air data parameters (120) of an aircraft (100) comprises: selecting ground truth values of the air data parameters (120) according to a flight envelope of the aircraft (100). The method involves simulating corresponding values from avionics in the aircraft (100) by using stored empirical data about engines of the aircraft (100) and empirical data about the aircraft (100) obtained from wind tunnel testing, and rules of computational fluid dynamics.
G01C 23/00 - Combined instruments indicating more than one navigational value, e.g. for aircraft; Combined measuring devices for measuring two or more variables of movement, e.g. distance, speed or acceleration
A fuel delivery device for air-to-air refuelling, the device comprising: a fuel outlet; and an optical transceiver, wherein the optical transceiver is configured to: illuminate the fuel delivery device to provide visual indication to an aircraft receiving fuel; and, transmit and receive data via optical wireless communication to the aircraft receiving fuel from the fuel delivery device.
A rake assembly (100) for measuring fluid flow parameters in a fluid flow rig (10), the rake assembly (100) comprising: a housing (102) comprising a wall (104) which defines a flow passage (110), with a flow inlet (112) and a flow outlet (114), the flow passage (110) extending from the flow inlet (112) to the flow outlet (114). The housing wall (104) defines an access aperture (106). The housing (102) is configured to define an Aerodynamic Instrument Plane (AIP) at, or part of the way downstream of, the flow inlet (112). There is provided an instrumentation arm (120) which extends from a leading edge end (122) to a trailing edge end (124) and configured to be removably mounted to the housing (102). The instrumentation arm (120) is operable such that, when mounted to the housing wall (104) the instrumentation arm (120) extends through the access aperture (106) to extend at least part of the way across the flow passage (110), the access aperture (106) and instrumentation arm (120) sized so that: the instrumentation arm (120) can be removed from the casing wall (104) by drawing the instrumentation arm (120) through the access aperture (106); and the instrumentation arm (120) can be installed on the casing wall (104) by inserting the instrumentation arm (120) through the access aperture (106).
A rake assembly (100) for measuring fluid flow parameters in a fluid flow rig (10), the rake assembly (100) comprising : a rake assembly support frame (500); a housing (102) mounted on the rake assembly support frame (500); the housing (102) comprising a wall (104) which defines a flow passage (110), with a flow inlet (112) and a flow outlet (114), the flow passage (110) extending from the flow inlet (112) to the flow outlet (114). The housing (102) is cylindrical and is centred on a longitudinal axis (130). An instrumentation arm (120) extends from a leading edge end (122) to a trailing edge end (124), and the instrumentation arm (120) extends from the housing wall (104) to extend at least part of the way across the flow passage (110), the leading edge end (122) located in an Aerodynamic Instrument Plane (AIR); the housing (102) being rotatably mounted to the rake assembly support frame (500); such that the housing (102) and instrumentation arm (120) are operable to rotate at least part of the way around the longitudinal axis (130).
A flow body unit (600) for a fluid flow rig (10) for simulating fluid flow patterns; the flow body unit (600) comprising: a flow body support frame (700); a core member (800) extending from the flow body support frame (700) along a flow body unit longitudinal axis (630); the core member (800) having a leading edge end (822) and a trailing edge end (824), the core member (800) mounted to the flow body support frame (700) at its trailing edge end (824) such that it extends away from the flow body support frame (700) to terminate at a free end (834) defined by the leading edge end (822).
B63B 49/00 - Arrangements of nautical instruments or navigational aids
B64D 43/00 - Arrangements or adaptations of instruments
B64F 5/60 - Testing or inspecting aircraft components or systems
F03B 11/00 - Parts or details not provided for in, or of interest apart from, groups
G01L 5/13 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the tractive or propulsive power of vehicles
G01P 5/165 - Arrangements or constructions of Pitot tubes
According to the present disclosure, there is provided a fuze system for attaching to a munition body, the fuze system comprising: a body comprising a foremost section; a fuze located in the body; a power generator, attached to the body, for generating electrical power and providing it to the fuze system, the power generator configured to generate electrical power by interacting with an airstream around the fuze system, wherein at least a part of the power generator is located behind the foremost section, the at least a part of the power generator being arranged to rotate relative to the foremost section of the body.
The present disclosure relates to a modular muzzle brake assembly for an artillery weapon or cannon. The modular muzzle brake assembly comprises a plurality of modules configured to be releasably coupled together to define a passage for a projectile such that, when the artillery weapon or cannon is fired, propellant gas urges the projectile to pass through the passage. The plurality of modules include a plurality of baffles configured to divert at least a portion of the propellant gas in the passage. The present disclosure also relates to a kit of parts for a modular muzzle brake assembly.
A computer-implemented method of determining utilisation of resources in a system having autonomous capability. The method comprises receiving (304) a plurality of input data from a respective plurality of components of the system, and receiving (302) rule set data comprising a plurality of rules. Each of the plurality of rules is configured to determine an integrity value for the input data. The method further comprises processing (306) the plurality of input data and the rule set data to generate an integrity value for each of the plurality of input data, and using (308) the integrity values to determine utilisation of resources of the system.
G06F 21/55 - Detecting local intrusion or implementing counter-measures
B60W 40/10 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to vehicle motion
A method of providing a pre-impregnated tape (15), comprising reinforcement fibres (11), for manufacture of fibre-reinforced composite parts, the method comprising: non-uniformly impregnating (14) an additive composition in and/or on a tape (13), comprising reinforcement fibres, to provide the pre-impregnated tape, wherein the additive composition comprises a resin and an additive.
B29C 70/88 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced
B29B 15/12 - Coating or impregnating of reinforcements of indefinite length
B29C 70/02 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising combinations of reinforcements and fillers incorporated in matrix material, forming one or more layers, with or without non-reinforced or non-filled layers
C08J 5/24 - Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
B29C 70/38 - Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
15.
FUNCTIONALIZED TAPE FOR THE MANUFACTURE OF FIBRE-REINFORCED COMPOSITE PARTS
A method of providing a functionalized veil or tape for manufacture of fibre-reinforced composite parts, the method comprising: depositing functional particles (12) in and/or on a veil or tape (11), by flowing F a fluid (13), through the veil or tape (11), to provide the functionalized veil or tape, wherein the veil or tape comprises reinforcement fibres and the fluid includes functional particles.
B29C 70/02 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising combinations of reinforcements and fillers incorporated in matrix material, forming one or more layers, with or without non-reinforced or non-filled layers
B29B 15/12 - Coating or impregnating of reinforcements of indefinite length
B29C 70/88 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced
A coating for an optical surface for reducing secondary reflections from narrow wavelength band image sources, the coating comprising multiple notch filters located at different predetermined wavelength regions
A method of using a robotic arm to position a part of an object at a first target position with respect to an object build frame comprising obtaining, by the robotic arm, the part; determining a move operation to apply to the part that moves the part to a second target position spatially separated from the object build frame; moving, by the robotic arm, the part according to the move operation; obtaining an actual position of the part; determining a correction operation to apply to the part that moves the part from the actual position to the second target position; moving, by the robotic arm, the part according to the correction operation; determining a relative move operation to apply to the part that moves the part from the second target position to the first target position; and moving, by the robotic arm, the part according to the relative move operation.
A control unit for a maritime vessel configurable to monitor integrity of an operation and/or data used by a system of the maritime vessel. The control unit comprises: a first computing element configured to process a first input signal to generate a first output; and a second computing element configured to process a second input signal to generate a second output. The first computing element is configured to compare the first output with the second output, and if the first output and the second output do not match within a predetermined tolerance then the first computing element is configured to initiate and/or perform a preventive action. The second computing element is configured to compare the second output with the first output, and if the first output and the second output do not match within the predetermined tolerance then the second computing element is configured to initiate and/or perform the preventive action.
H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
G08C 25/00 - Arrangements for preventing or correcting errors; Monitoring arrangements
G05B 9/03 - Safety arrangements electric with multiple-channel loop, i.e. redundant control systems
G06F 11/16 - Error detection or correction of the data by redundancy in hardware
H04L 67/12 - Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
The invention relates to a common carrier munition ammunition device, more particularly to common carrier payload delivery shell. There is provided a common carrier munition suitable for use for a high explosive comprising a tail unit, a main body which comprises a payload cavity for receiving a payload, a fuze, and located between said main body and the fuze an ogive element, wherein the payload comprises a removable liner, wherein the removable liner comprises a high explosive, such that said removable liner and high explosive may be removed from the payload cavity.
F42B 33/02 - Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges
F42B 12/20 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
F42B 12/22 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction
The present disclosure relates to a mobile gun system. The mobile gun system comprises a chassis and a gun barrel mounted to the chassis such that when a projectile is fired from the gun barrel a recoil force causes recoil movement of the chassis. The mobile gun system further comprises a braking system for retarding the recoil movement of the chassis due to the recoil force from the firing of the projectile from the gun barrel. The mobile gun system further comprises a controller configured to control the braking system to retard said recoil movement of the chassis after a peak loading condition due to the firing of the projectile has passed. The present disclosure also relates to a method of operating a mobile gun system.
The present invention relates to an Electronic Unit (1), EU, for a tactile cueing apparatus for a vehicle. The tactile cueing apparatus augments feel for an operator of the vehicle. The EU comprises a first channel (307A, 407A). The first channel (307A, 407A) is configured to monitor communication for determining a control mode of the first channel (307A, 407A). The control mode comprises a Reversionary Active Mode, the Reversionary Active Mode providing a control characteristic for limited augmented feel capability to the operator of the vehicle; and an Active Mode, wherein the Active Mode providing a control characteristic for fully augmented feel capability to the operator of the vehicle.
Disclosed is a RADAR system comprising a Constant False Alarm Rate, CFAR, function, wherein the CFAR function is arranged such that a detection threshold is determined at least partly on the basis of a window length which is of a variable length and the variable length is determined on the basis of a degree of variability in a first number of previous amplitude measurements of received signals.
According to the present disclosure, there is provided a structural damper for providing damping of a primary structure, the structural damper comprising: a first acoustic black hole, ABH; a second ABH; and an actuator provided in contact with the first ABH and second ABH, wherein the actuator is configured to apply an actuating force to the first ABH and the second ABH.
G10K 11/178 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
F16F 15/02 - Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system
A drone (10) operable for flight. The drone has a fuselage (100) having a length (L) extending along an x-axis, the fuselage (100) comprising a port side fuselage section (102) spaced apart from a starboard side fuselage section (104) to define a slot (106) therebetween which extends along the length (L) of the fuselage (100). There is also provided a cannon (200) having a barrel (202). The cannon (200) is pivotably mounted in the slot (106) to the port side fuselage section (102), and/or pivotably mounted to the starboard side fuselage section (104), by a trunnion mounting assembly (110) having a trunnion axis (112) which extends at right angles to the x-axis. The barrel (202) is operable to pivot about the trunnion axis (112) to move over, and/or be positioned at, a range of angles relative to the x-axis direction.
F41A 27/08 - Bearings, e.g. trunnions; Brakes or blocking arrangements
B64D 7/06 - Arrangement of military equipment, e.g. armaments, armament accessories, or military shielding, in aircraft; Adaptations of armament mountings for aircraft the armaments being firearms movably mounted
B64C 39/02 - Aircraft not otherwise provided for characterised by special use
An optical device made according to an augmented reality optical design, the optical device comprising a plurality of optical elements for transmitting a light from a light source for display on an eye of a user, wherein the optical device comprises: a light source generating the light; a lens assembly off-axis from the light source and configured to receive the light; a combiner, receiving the light from the lens assembly via one or more further optical elements of the plurality of optical elements and directing the light to form a virtual image at an exit pupil at the position of the eye, wherein the combiner comprises a first inner optical surface form and a second outer optical surface form, wherein the first inner optical surface form and the second outer optical surface are different to minimize deviations in an outside view from the combiner.
According to an aspect of the present invention there is provided an optical device made according to an augmented reality optical design, the optical device comprising a plurality of optical elements for transmitting a light from a light source for display on an eye of a user, wherein the optical device comprises: a light source generating the light; a lens assembly off-axis from the light source and configured to receive the light; a first at least partially mirrored device; a second optical device located intermediate the lens assembly and the first at least partially mirrored device, the second optical device configured to receive the light from the lens assembly and transmit the light to the first at least partially mirrored device; and a combiner receiving the light from the first at least partially mirrored device and directing the light to form a virtual image at an exit pupil at the position of the eye.
An optical device made according to an augmented reality optical design, the optical device comprising a plurality of optical elements for transmitting a light from a light source for display on an eye of a user, wherein the optical device comprises: a light source generating the light; a lens assembly off-axis from the light source and configured to receive the light wherein the lens assembly includes a plurality of lenses and wherein the lens assembly has been truncated by removal of material from the or each lens of the plurality of lenses where an expected light beam is not predicted to pass; a combiner, receiving the light from the lens assembly via one or more further optical elements of the plurality of optical elements and directing the light to form a virtual image at an exit pupil at the position of the eye.
A head tracking system HTS, configured to determine a head position and a head orientation of a user to which display images are configured to align with the outside world scene and are configured to be presented, the HTS comprising: one or more optical sensors generating an optical measurement; 5 and a number of inertial sensors generating an inertial measurement; a processor configured to determine the head position and the head orientation from one or both of the one or more optical sensors and the number of inertial sensors and configured to: determine an optical tracking state from the optical measurement and an inertial tracking state from the inertial measurement; when 10 both the optical tracking state and the inertial tracking state are valid, flagging/asserting HTS operation as normal; when both the optical tracking state and the inertial tracking state are invalid, flagging/asserting HTS failure; when the optical tracking state and the inertial tracking state are valid comparing the optical measurement and the inertial measurement to determine 15 if the HTS can operate safely based on a predetermined tracking performance required by the system.
G06F 3/01 - Input arrangements or combined input and output arrangements for interaction between user and computer
G06F 3/0346 - Pointing devices displaced or positioned by the user; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
A head tracking system HTS (100, 200) and associated method and head worn assembly, configured to determine a head position and/or a head orientation of a user, the HTS comprising: one or more optical sensors (112) producing optical measurements; and one or more inertial sensors (104) producing inertial measurements; a processor configured, when the optical sensors fail to provide optical measurements to determine the head location and the head orientation of a user, to operate in a coasting mode using the inertial measurements from the one or more inertial sensors to determine the head location and the head orientation of a user, the processor configured to further: determine a figure of merit FOM (346) for coasting errors based on a combination of one or more of errors in an estimated inertial sensor bias, a random drift and noise of the inertial sensor and the inertial sensor gain and alignment errors; compare (348) the FOM with a threshold to determine whether the inertial measurements provide a valid or invalid head location and/or head orientation; and determine a subsequent operation from a plurality of possible subsequent operations of the HTS based on whether the head location and/or head orientation is valid or invalid.
A method of performing analogue to digital conversion of an analogue input signal. The method comprises: obtaining a laser signal; modulating, using an electro-optic phase modulator, the laser signal on the basis of the analogue input signal; determining, on the basis of the modulated laser signal, a voltage of the analogue input signal; and generating a digital signal indicative of the determined voltage. An apparatus for performing analogue to digital conversion of an analogue input signal. The apparatus comprises an electro-optic phase modulator and a processor. The electro-optic phase modulator is configured to receive a laser signal and modulate the laser signal on the basis of the analogue input signal. The processor is configured to determine, on the basis of the modulated laser signal, a voltage of the analogue input signal and generate a digital signal indicative of the determined voltage.
A method of controlling an aquatic vessel comprises receiving (202) input data comprising a plurality of observations from a respective plurality of sensors and populating (206) a graph database with the plurality of observations of the input data. The graph database is based on a formal ontology that defines concepts and relationships relating to the plurality of sensors. Embodiments perform (208) a query on the graph database to generate (210) information configured to control the aquatic vessel and/or at least one component of the aquatic vessel.
A self-propelled gun system (10) defining a recoil mitigation system (100). It comprises a chassis (200); a gun barrel (300) and a chassis suspension system (400) comprising a first wheel arm (402) extending away from the chassis (200) to a first wheel (404), the first wheel (404) being rotatably mounted on the first wheel arm (402), the first wheel (404) configured for engagement with a support surface (500). The first wheel arm (402) and first wheel (404) are configured to support the chassis (200) a distance (Dz) apart from the support surface (500). The recoil mitigation system (100) is operable such that a maximum recoil damping distance (Dz_max) of the chassis (200) from the support surface (500) in the z-axis for a gun firing condition is controlled to be set according to a predetermined relationship by pivoting the first wheel arm (402) relative to the z- axis.
A portable time of flight neutron spectroscopy system 100 comprising a first detector 120 adapted to be positioned at a first distance 130 from a fission source 110, configured to detect a gamma-ray emitted from the fission source 110, a second detector 140 adapted to be positioned at a second distance 150 from the fission source 110, configured to detect a neutron emitted from the fission source 110, and a computer system 160 coupled to the first and second detectors 120, 140, configured to upon detection of a gamma-ray at the first detector 120, record the time of the event and trigger the start of a pre¬ determined time window, upon detection of a neutron at the second detector 140 within the time window, record the time of the event and record the gamma¬ ray detection and the neutron detection as a coincidence event, using the time difference between the detections of the gamma-ray and the neutron in the coincidence event, determine the time-of-flight of the detected neutron, using the time-of-flight of the detected neutron, determine the energy of the detected neutron.
A self-propelled gun system (10) comprising a chassis (200) to which is mounted a gun barrel (300) having a gun barrel axis (302). The system also has a chassis suspension system (400) comprising a first wheel arm (402) extending away from the chassis (200) to a first wheel (404), the first wheel (404) being rotatably mounted on the first wheel arm (402), the first wheel (404) configured for engagement with, and travelling along, a support surface (500) to support the chassis (200) a distance (Dz) apart from the support surface (500). There is also provided a recoil mitigation system (900) comprising a recoil support leg (902) which extends away from the chassis (200) to a foot end (904), the foot end (904) operable to engage with the support surface (500) during firing of a projectile (340) from the gun barrel (300). The foot end (904) of the recoil support leg (902) is operable to be spaced apart from the support surface (500) when the gun system (10) is in transit. The recoil support leg (902) is configured to react against recoil force (Fr) in the z-axis from the firing of a projectile (340) from the gun barrel (300). The recoil mitigation system (900) further comprising a wheel brake control device (600) configured for applying a braking force to the chassis first wheel (404) after the firing of a projectile (340) from the gun barrel (300) and after the rotatable first wheel (404) has started rotating along the support surface (500) in response to the firing of a projectile (340) from the gun barrel (300).
In some examples, a dual polarized dipole structure comprises a first dipole arm comprising a first dipole and a second dipole arm comprising a second dipole, the first and second dipoles being substantially planar and being joined to each other at a feed point of the dipole structure disposed at the centre of the first and second arms, whereby to form a dual polarized dipole radiating element for an antenna structure, wherein the first dipole arm and the second dipole arm are so arranged, with respect to a square unit cell, such that the first dipole and the second dipole are orthogonal to one another and so arranged as to lie on respective diagonals of the square unit cell.
H01Q 21/26 - Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
H01Q 5/321 - Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors within a radiating element or between connected radiating elements
H01Q 19/10 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
H01Q 21/06 - Arrays of individually energised antenna units similarly polarised and spaced apart
Antenna and method of manufacturing an antenna According to an aspect of the present invention, there is provided an antenna comprising a magnetostrictive layer configured to, in receive mode, convert a magnetic field of a detected electromagnetic wave into mechanical strain, and a piezoelectric layer configured to, in receive mode, receive the strain from the magnetostrictive layer and produce a voltage output based thereon, wherein the piezoelectric layer comprises a memristive material.
A data transfer evaluation system (201) and method (702) for data transfer management are disclosed. For a data transfer request, bandwidth availability between communication nodes (101, 102), during a period that incorporates a target commencement time for the requested data transfer, and transmittal data comprising a target transfer rate and a duration for an amount of data to be transferred at the target transfer rate are used to generate image data for a display unit to output an evaluation display (301) that provides a visual indication as to whether the data transfer request is viable and that presents at least one graphical control element (316, 501) usable to modify the data transfer request to generate an updated evaluation display (301-1).
G06F 3/048 - Interaction techniques based on graphical user interfaces [GUI]
G06F 3/00 - Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
There is provided a control surface arrangement for influencing fluid flow about a vehicle, the control surface arrangement comprising: a first control surface portion; a second control surface portion, the second control surface provided downstream of the first control surface portion relative to a fluid flow direction, the second control surface portion configured to be moveable relative to the first control surface portion; and a vortex generator surface arrangement arranged to induce vortices in a fluid flow passing over the first control surface portion and/or the second control surface portion.
According to an aspect of the present invention, there is provided a control unit in an active inceptor configurable to generate force feedback in a linked active inceptor system, comprising: a first connection configured when an operation is performed to drive a motor and in response thereto the motor to generate an associated force feedback at the active inceptor; and a second connection configured when the operation is performed to drive a remote motor in a remote active inceptor and in response thereto the remote motor to generate the associated feedback at the remote active inceptor.
B64C 13/10 - Initiating means actuated personally comprising warning devices
G05G 9/047 - Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
40.
ACOUSTIC BLACK HOLE, STRUCTURAL DAMPER, STRUCTURALLY DAMPED STRUCTURE, AND METHOD
There is provided an acoustic black hole comprising: in a first axis, along a line, a variation from a first characteristic to a second characteristic to a third characteristic, wherein the acoustic black hole comprises a taper from the first characteristic to the third characteristic, and wherein the second characteristic is a deviation from the taper.
F42D 5/055 - Silencing means for blasting operations
G10K 11/178 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
There is provided an acoustic black hole comprising: in a first axis, a taper from a first thickness to a second thickness, along a line; in a second axis perpendicular to the first axis, and away from the line, one or more regions of different spatial property relative to a spatial property of the ABH at the line.
G10K 11/178 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
42.
ACOUSTIC BLACK HOLE, STRUCTURAL DAMPER, STRUCTURALLY DAMPED STRUCTURE, AND METHOD
There is provided an acoustic black hole comprising: in a first axis, a variation from a first characteristic to a second characteristic, along a line; in a second axis different to the first axis, a variation from a first characteristic to a second characteristic, along the second axis.
F42D 5/055 - Silencing means for blasting operations
G10K 11/178 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
B64C 11/00 - Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
B64C 23/00 - Influencing air flow over aircraft surfaces, not otherwise provided for
The present disclosure relates to an active acoustic control system comprising: a first sensor arrangement arranged to sense an acoustic signal in the region of an object, the acoustic signal having a scattered acoustic pressure component and a total acoustic pressure, the first sensor arrangement being arranged to sense the total acoustic pressure of the acoustic signal; a processor configured to: apply a filter to filter the total acoustic pressure and provide a filtered output signal; and estimate the scattered acoustic pressure component based on the filtered output signal from the filter; and a control source arrangement operable to control the scattered acoustic pressure component based on the estimation and a regularisation parameter determined based on a relationship between: level of control of the scattered acoustic pressure component of the acoustic signal when controlled using the control source arrangement of the system using a set of test regularisation parameters.
G10K 11/178 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
A retina scanning display device (300) configured to provide an image to a retina of an eye (304) of a user, the device comprising: a light source (302) configured to generate intensity modulated light; an optic device (306) for transforming the intensity modulated light into a beam of collimated light; a scanning component (308) configured to receive the beam, scan the beam over at least two axes, and thereby output a series of scanned beams each having one of a plurality of an output angles; and a reflective combiner (320) arranged to reflect the scanned beams onto the eye over the range of output angles, whereupon the eye may focus the beam onto a portion of the retina in dependence on the output angle; wherein the beam has a predetermined diameter (d) greater than 3 mm.
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
A computer-implemented method of generating one or more designs for a vehicle, using a vehicle modelling application arranged to generate a three-dimensional model of a vehicle from a vehicle model definition, the vehicle model definition defining a set of values for geometric properties of the vehicle. A set of vehicle model definitions is generated, each vehicle model definition satisfying a set of geometric constraints. The set of vehicle model definitions is then filtered by generating the three-dimensional model of a vehicle from a vehicle model definition using the vehicle modelling application, determining whether the three-dimensional model satisfies a first set of physical constraints, and if the three-dimensional model does not satisfy the set of physical constraints, removing the vehicle model definition from the set of vehicle model definitions.
A gun targeting system (10) comprising a chassis (200). A gun barrel (300) is mounted to the chassis (200) by a pivot mount (304). The system also comprises a chassis suspension system (400) comprising a plurality of wheel arms (402), each wheel arm (402) extending away from a different chassis mount (220) on the chassis (200) to a respective wheel (404), each wheel (404) being rotatably mounted on its respective wheel arm (402), each wheel (404) configured for engagement with a support surface (500). The gun targeting system (10) is operable to position the barrel (300) towards an orientation to target an object by pivoting one or more wheel arms (402) relative to the chassis (200) and/or by pivoting one or more wheels (404) relative to its respective wheel arm (402) and/or by rotating one or more wheels (404) relative to its respective wheel arm (402).
B60G 17/0195 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or s the regulating means comprising electric or electronic elements characterised by the regulation being combined with other vehicle control systems
47.
A METHOD OF PRODUCING EXPLOSIVE HMX BY FLOW SYNTHESIS
255, in nitric acid wherein the nitric acid concentration is greater than 95%, ii. causing the input flow reagent to enter a flow reactor, iii. heating the reaction chamber in the flow reactor in the range of 60°C to 80°C,collecting the reacted admixture. (Formula (I))
A suspension system (400) for supporting a chassis (200) of a vehicle (100). The suspension system (400) comprises a suspension unit (442). The suspension unit (442) comprises a wheel arm assembly (444) comprising a first wheel arm (402) having a chassis mount end (410) and a wheel mount end (412). The chassis mount end (410) of the first wheel arm (402) are provided with a chassis mounting member (414), the chassis mount end (410) of the first wheel arm (402) and chassis mounting member (414) being pivotable relative to one another around a chassis mount pivoting axis (230). The chassis mounting member (414) is configured to support the chassis mount end (410) of the first wheel arm (402) so that the first wheel arm (402) and chassis mounting member (414) are operable to pivot 180 degrees relative to one another about the chassis mount pivoting axis (230).
In some examples, a method for manufacturing a switching structure for a radial slot line antenna, RLSA, array using a single semiconductor wafer element, comprises forming a set of active switching devices within the wafer element, a position of each active switching device on the wafer element selected according to a predefined configuration representing a slot element layout for the RLSA array, and forming driving circuitry within the wafer element, the driving circuitry for individually addressing respective ones of the set of active switching devices, whereby to enable selected bias signals to be applied to the set of active switching devices.
H01Q 3/28 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture varying the amplitude
H01Q 3/34 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture varying the phase by electrical means
H01Q 25/00 - Antennas or antenna systems providing at least two radiating patterns
H01Q 5/321 - Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors within a radiating element or between connected radiating elements
H01Q 21/06 - Arrays of individually energised antenna units similarly polarised and spaced apart
The present invention relates to the deposition of syntactic foams, more particularly to the formation of syntactic foam floatation devices for a vessel. There is provided a method of selectively depositing a syntactic foam, to provide a buoyancy device on a substrate, comprising the steps of: i) selecting a low density polymer with a density in the range of from 0.8 to 1.2 g/cm3, ii) forming an admixture of a pre-polymer 50-95%vol that will form the said low density polymer, and hollow microspheres in the range of from 5- 50%vol; iii) selectively depositing the admixture via a nozzle to form a layer, causing solidification of the polymer, repeating step iii) to form the device on the substrate wherein the syntactic foam has a density in the range of from 0.3 to 0.9g/cm3
B29C 64/106 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
B29C 70/66 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only the filler comprising hollow constituents, e.g. syntactic foam
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
C08J 9/32 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
B29K 105/00 - Condition, form or state of moulded material
B29K 105/04 - Condition, form or state of moulded material cellular or porous
A rigid wrist shield for spreading force and/or pressure across a palmer side of a wrist of a hand of a user. The rigid wrist shield comprises a first rigid section wherein, in use, the first rigid section sits over a portion of the carpal bones of the user's hand. The rigid wrist shield further comprises a second rigid section wherein, in use, the second region section sits over at least a base portion of the metacarpal bones of the user's hand. The rigid wrist shield also comprises a hinge joining the first rigid section to the second rigid section.
A computer-implemented method of generating, in an aircraft in flight, a feasibility display indicative of a feasibility of a weapon carried on the aircraft successfully engaging a target and/or a feasibility of a weapon carried on the target successfully engaging the aircraft, the method comprising: providing a database describing a performance envelope of the weapon; creating coefficients characteristic of that performance envelope using a generic algorithm, wherein the generic algorithm has the form of a polynomial, by steps including identifying a best candidate polynomial from a plurality of candidate polynomials, the variables of the polynomials being some or all of a group of weapon or aircraft firing condition parameters; uploading, to the aircraft, the coefficients of the identified best candidate polynomial; and selecting, by a reconstructor on the aircraft containing the same generic algorithm, the coefficients for the generic algorithm according to conditions of the aircraft and the target; and using the selected coefficients, generating, by the reconstructor, the feasibility display; characterised by: wherein selecting, by the reconstructor on the aircraft containing the same generic algorithm, the coefficients for the generic algorithm according to conditions of the aircraft and the target comprises selecting, by the reconstructor on the aircraft containing the same generic algorithm, the coefficients for the generic algorithm, if the aircraft and the target are within the performance envelope of the weapon, according to the conditions of the aircraft and the target.
F41G 3/22 - Aiming or laying means for vehicle-borne armament, e.g. on aircraft
F41G 7/00 - Direction control systems for self-propelled missiles
F41G 9/00 - Systems for controlling missiles or projectiles, not provided for elsewhere
G01C 23/00 - Combined instruments indicating more than one navigational value, e.g. for aircraft; Combined measuring devices for measuring two or more variables of movement, e.g. distance, speed or acceleration
A computer-implemented method of generating, in an aircraft in flight, a feasibility display indicative of a feasibility of a weapon carried on the aircraft successfully engaging a target and/or a feasibility of a weapon carried on the target successfully engaging the aircraft, the method comprising: providing a database describing a performance envelope of the weapon; creating coefficients characteristic of that performance envelope using a generic algorithm, wherein the generic algorithm has the form of a polynomial, by steps including: a) generating candidate polynomials, the variables of the polynomials being some or all of a group of weapon or aircraft firing condition parameters; b) for each candidate polynomial, computing coefficients for that candidate polynomial which best fit that candidate polynomial to a characteristic of the performance envelope of the weapon using a criterion of least square error; c) for each candidate polynomial, generating a candidate score according to the quality of the fit of that candidate polynomial to the characteristic of the performance envelope of the weapon; d) applying a genetic algorithm to the candidate polynomials and scores including selecting the best scoring polynomial(s) and discarding the other polynomial(s), thereby identifying a best candidate polynomial and coefficients thereof; and e) repeating said identifying process until all the required characteristics of the performance envelope have corresponding polynomial models;25 uploading, to the aircraft, the coefficients of the identified best candidate polynomial; and selecting, by a reconstructor on the aircraft containing the same generic algorithm, the coefficients for the generic algorithm according to conditions of the aircraft and the target; and using the selected coefficients, generating, by the reconstructor, the feasibility display; characterised by: wherein step d) applying the genetic algorithm to the candidate polynomials and scores comprises: i) defining a set of orders and/or types of the candidate polynomials and dividing the defined set of orders and/or types into a plurality of sub-sets thereof; ii) iteratively applying the genetic algorithm concurrently over the plurality of sub-sets of the defined set of orders and/or types of the candidate polynomials, including iteratively applying the genetic algorithm over the variables of the polynomials for each order and/or type of the respective sub-set thereof and saving the resulting respective coefficients and scores thereof; and iii) selecting the best scoring polynomial(s) using the saved coefficients and scores and discarding the other polynomial(s), thereby identifying the best candidate polynomial and coefficients thereof.
F41G 3/22 - Aiming or laying means for vehicle-borne armament, e.g. on aircraft
F41G 7/00 - Direction control systems for self-propelled missiles
F41G 9/00 - Systems for controlling missiles or projectiles, not provided for elsewhere
G01C 23/00 - Combined instruments indicating more than one navigational value, e.g. for aircraft; Combined measuring devices for measuring two or more variables of movement, e.g. distance, speed or acceleration
A system for delivering an image to a user via a waveguide display system and for determining integrity of an image, the system comprising a waveguide assembly including: an in coupling element configured to receive a collimated image from a imaging system and an out coupling element configured to direct the collimated image toward an eye of a user, wherein the waveguide is configured to direct at least a first portion of the collimated image from the in coupling element to the out coupling element to be directed to the user; wherein prior to the collimated image being directed towards the eye a second portion of the collimated image is configured to be directed towards an integrity monitoring module which determines at least one discrepancy between the collimated image and the image to thereby correct the first portion of the collimated image.
A system, method and combination for delivering an image to a user via a waveguide display system and for determining integrity of an image, the system comprising: a combination waveguide, in coupling and out coupling assembly comprising: a waveguide region; an in coupling region configured to receive a collimated image from an imaging system and an out coupling region configured to direct the collimated image toward an eye of a user, wherein the waveguide is configured to direct at least a first portion of the collimated image from the in coupling region towards the out coupling region to be directed to the user; and wherein prior to the collimated image being directed towards the eye, a second portion of the collimated image is configured to be directed towards an integrity monitoring module which is configured to determine at least one discrepancy between the collimated image and the image to thereby correct the first portion of the collimated image.
A computer-implemented method of generating, in an aircraft in flight, a feasibility display indicative of a feasibility of a weapon carried on the aircraft successfully engaging a target and/or a feasibility of a weapon carried on the target successfully engaging the aircraft, the method comprising: providing a database describing a performance envelope of the weapon; creating coefficients characteristic of that performance envelope using a generic algorithm, wherein the generic algorithm has the form of a polynomial, by steps including: a) generating candidate polynomials, the variables of the polynomials being some or all of a group of weapon or aircraft firing condition parameters; b) for each candidate polynomial, computing coefficients for that candidate polynomial which best fit that candidate polynomial to a characteristic of the performance envelope of the weapon using a criterion of least square error; c) for each candidate polynomial, generating a candidate score according to the quality of the fit of that candidate polynomial to the characteristic of the performance envelope of the weapon; d) applying a genetic algorithm to the candidate polynomials and scores including selecting the best scoring polynomial(s) and discarding the other polynomial(s), thereby identifying a best candidate polynomial and coefficients thereof; and e) repeating said identifying process until all the required characteristics of the performance envelope have corresponding polynomial models; uploading, to the aircraft, the coefficients of the identified best candidate polynomial; and selecting, by a reconstructor on the aircraft containing the same generic algorithm, the coefficients for the generic algorithm according to conditions of the aircraft and the target; and using the selected coefficients, generating, by the reconstructor, the feasibility display; characterised by: wherein step d) applying the genetic algorithm to the candidate polynomials and scores comprises: i) defining a set of orders and/or types of the candidate polynomials and dividing the defined set of orders and/or types into a plurality of sub-sets thereof; ii) iteratively applying the genetic algorithm concurrently over the plurality of sub- sets of the defined set of orders and/or types of the candidate polynomials, including iteratively applying the genetic algorithm over the variables of the polynomials for each order and/or type of the respective sub-set thereof and saving the resulting respective coefficients and scores thereof; and iii) selecting the best scoring polynomial(s) using the saved coefficients and scores and discarding the other polynomial(s), thereby identifying the best candidate polynomial and coefficients thereof.
A cavity system for use on a vehicle is provided. The cavity has a front edge and/or a rear edge and longitudinal edges. The front and/or rear and longitudinal edges define an opening. The cavity comprises at least one elongate flow partition protruding from a surface adjacent each longitudinal edge of the cavity into the ambient flow outside of the cavity. The at least one flow partition comprise an inboard surface facing predominantly towards the cavity and an outboard surface facing predominantly away from the cavity. An aircraft comprising the cavity system is also provided.
The present invention relates to an exhaust nozzle for fluidic-thrust vectoring, comprising an elongate channel for directing exhaust gasses having first and second ends. The elongate channel has an inlet at the first end comprising a continuous curved cross-sectional shape and an exit at the second end having a polygonal cross-sectional shape. In a preferred embodiment, the exhaust nozzle has a rectangular cross-sectional exit. A jet engine and an aircraft having the exhaust nozzle are also provided.
F02K 1/00 - Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
F02K 1/28 - Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto using fluid jets to influence the jet flow
F02K 9/82 - Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof characterised by thrust or thrust vector control by injection of a secondary fluid into the rocket exhaust gases
A cavity system for use on a vehicle is provided. The cavity system comprises a cavity having at least one of a front edge and a rear edge arranged orthogonally to the actual or intended direction of travel of the vehicle, and longitudinal edges. The front and/or rear and longitudinal edges define an opening. The cavity system also comprises at least one shock stabiliser protruding from a surface adjacent each longitudinal edge of the cavity into the ambient flow outside of the cavity. An aircraft comprising the cavity system is also provided.
A mobile communication device (102) of a vehicle (103) is associated with a navigation system (202). Vehicle navigational data derived from the navigation system (202) is received, via cellular network communication, from the mobile communication device (102) of a vehicle (103). The vehicle navigational data is used to determine that a navigation assistance notification should be communicated to the mobile communication device (102) and, in response, communication of the navigation assistance notification to the mobile communication device (102) is initiated.
H04W 4/02 - Services making use of location information
H04W 4/48 - Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for in-vehicle communication
A signal from a mobile communication device (102) of an unmanned aerial vehicle (103) is received, via cellular network communication, by each of a plurality of 5 cellular network base stations (106, 107, 108). A position of the unmanned aerial vehicle (103) is determined based on a triangulation operation performed using the signal received by the cellular network base stations (106, 107, 108). Vehicle navigational data derived from the position determination is used to determine that a navigation assistance notification should be communicated to a notification 10 receiver (102, 114) and, in response, communication of the navigation assistance notification to the notification receiver (102, 114) is initiated.
An interface node for enabling a robotic arm to be used as a reconfigurable fixture for vehicle manufacture is described. The interface node comprises an attachment element for attaching the interface node to the robotic arm. The interface node also comprises a first locating element, the first locating element comprising a flat surface wherein the flat surface is suitable for locating a first feature of a component of a vehicle wherein the first feature comprises a face of a component of a vehicle. The interface node further comprises a wall extending from and substantially around the flat surface, the wall connecting the flat surface to the attachment element wherein the wall defines a second locating element, the second locating element suitable for locating a second feature of a component of a vehicle.
B64F 5/10 - Manufacturing or assembling aircraft, e.g. jigs therefor
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
A method of performing analogue to digital conversion of an analogue input signal. The method comprises: generating a first laser pulse train having a first wavelength; generating a second laser pulse train having a second different wavelength; modulating, using an interferometric modulator, the first laser pulse train and the second laser pulse train on the basis of the analogue input signal, wherein the interferometric modulator is configured such that its response to the first laser pulse train is not in phase with its response to the second laser pulse train; determining, on the basis of the modulated first laser pulse train and the modulated second laser pulse train, a voltage of the analogue input signal; and generating a digital signal indicative of the determined voltage.
In some examples, an underwater imaging apparatus comprises a source of electromagnetic radiation configured to generate a short-range illuminating beam at a selected wavelength, and an image sensor for generating image data representing a scene or object to be illuminated by the illuminating beam, the image sensor sensitive to the selected wavelength.
A hybrid bonded-fastened, HBF, joint 100 is described. The hybrid bonded-fastened, HBF, joint comprises: a first component (110) having a first joint surface (111), wherein the first component (110) is a composite component; a second component (120) having a second joint surface (121), wherein the second component (121) is a metallic component; a set of projections (130), including a first projection (130A), mutually interlocking the first component (110) and the second component (120) via the first joint surface (111) and the second joint surface (121); and an adhesive (140) mutually adhesively bonding the first component (110) and the second component (120) via the first joint surface (111) and the second joint surface (121); wherein the adhesive (140) comprises and/or is a disbondable adhesive.
In some examples, an apparatus for optical underwater data transmission comprises an optical transmitter configured to generate an optical signal for a short range underwater optical communications channel, wherein the optical transmitter comprises a source of electromagnetic radiation configured to generate an optical signal with a selected wavelength.
A drive arrangement for manipulating a vehicle control surface, comprises: a first drive; a second drive; an output member for connecting to the vehicle control surface; first engaging means for selectively engaging and disengaging the first drive and the output member; and second engaging means for selectively engaging and disengaging the second drive and the output member, wherein the first drive and the second drive are mounted on bearings.
A drive arrangement for manipulating a vehicle control surface, comprises: a first drive; a second drive; an output member for connecting to the vehicle control surface; first engaging means for selectively engaging and disengaging the first drive and the output member; and second engaging means for selectively engaging and disengaging the second drive and the output member.
A method of manufacturing an article is described. At S102, the method comprises obtaining a first layer having a first face and a reverse second face, wherein the first layer comprises and/or is a first metal and wherein the first metal is a heat treatable first aluminium alloy. At S104, the method comprises providing a second layer on the first face of the first layer by cold spraying particles comprising a second metal thereupon, wherein the second metal is a second aluminium alloy. At S106, the method comprises depositing a third layer on the second layer by additive friction stir deposition using a third metal, wherein the third metal is a third aluminium alloy.
B32B 15/01 - Layered products essentially comprising metal all layers being exclusively metallic
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
C23C 24/04 - Impact or kinetic deposition of particles
A strain wave-type gearbox comprises: a flex spline component; an outer circular spline component; and a wave generator component, wherein the wave generator component is configured for adjustment of at least one dimension of the wave generator component, to cause engagement and disengagement of the flex spline component and the outer circular spline component. A drive arrangement for manipulating a vehicle control surface comprises: a first drive; a second drive; an output member for connecting to the vehicle control surface; first engaging means for selectively engaging and disengaging the first drive and the output member; and second engaging means for selectively engaging and disengaging the second drive and the output member, wherein the first engaging means comprises a strain wave-type gearbox.
F16D 51/12 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as exclusively radially-movable brake-shoes mechanically actuated
F16D 63/00 - Brakes not otherwise provided for; Brakes combining more than one of the types of groups
B60T 1/06 - Arrangements of braking elements, i.e. of those parts where braking effect occurs acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission
B64C 13/28 - Transmitting means without power amplification or where power amplification is irrelevant mechanical
B64C 13/50 - Transmitting means with power amplification using electrical energy
F16D 49/04 - Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like shaped as a helical band or coil with more than one turn, with or without intensification of the braking force by the tension of the band or contracting member mechanically actuated
F16D 125/68 - Lever-link mechanisms, e.g. toggles with change of force ratio
A drive arrangement for manipulating a vehicle control surface, comprises: a first drive; a second drive; an output member for connecting to the vehicle control surface; first engaging means for selectively engaging and disengaging the first drive and the output member; and second engaging means for selectively engaging and disengaging the second drive and the output member, wherein the first engaging means comprises a first epicyclic gearbox.
A watercraft system (10) comprising a pressure hull module (100) having a longitudinal axis (114) which extends between an aft end (116) and a forward end (118) of the watercraft system (10), and which defines a first interface element (112). The system further comprises a bridge fin module system (200) which extends from the pressure hull module (100) in a direction away from the longitudinal axis (114). The bridge fin module system (200) comprises a first bridge fin sub-module (210) which defines a second interface element (222) configured to be coupled and uncoupled from the first interface element (112); the first bridge fin sub-module (210) extending from the second interface element (222) to terminate at a third interface element (232) the bridge fin module system (200) further comprises a second bridge fin sub-module (220) which defines a fourth interface element (242) configured to be coupled and uncoupled from the third interface element (232).
According to the present disclosure there is provided an active acoustic control system for controlling an acoustic signal propagating along a propagation path, the system comprising: an active control unit configured to: receive information from a first sensor arrangement, the information related to the acoustic signal propagating along the propagation path; generate a control signal for controlling the acoustic signal based on the information from the first sensor arrangement, by being arranged to control: a first control source arrangement comprising a finite 2D array of first control sources for generating a first control signal for controlling a first component of the acoustic signal.
G10K 11/178 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
According to the present disclosure there is provided an active acoustic control system for controlling an acoustic signal propagating along a propagation path, the system comprising: an active control unit configured to: receive information from a first sensor arrangement, the information related to the acoustic signal propagating along the propagation path; generate a control signal for controlling the acoustic signal based on the information from the first sensor arrangement, by being arranged to independently control: a first control source arrangement for generating a first control signal to control a first component of the acoustic signal; and a second control source arrangement for generating a second control signal to control a second component of the acoustic signal.
G10K 11/178 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
Embodiments provide a computer-implemented method of controlling a swarm of agents to perform actions, and agents configured accordingly. The method comprises providing (202) data for performing Reinforcement Learning in each agent in the swarm. Each of the agents uses the provided data to execute (204) at least one learning episode to train a respective state-action selector, and uses its trained state-action selector to select and perform an action (220). The training comprises each of the agents using its respective state-action selector to select (306) a fictitious action it would perform itself in the current joint states and to select a fictitious action the other agents would perform in the current joint states, and using the selected fictitious actions to update (308-312, 208- 216) values in the state-action selector of each of the agents.
G06N 7/01 - Probabilistic graphical models, e.g. probabilistic networks
G06N 3/006 - Artificial life, i.e. computing arrangements simulating life based on simulated virtual individual or collective life forms, e.g. social simulations or particle swarm optimisation [PSO]
G06N 3/008 - Artificial life, i.e. computing arrangements simulating life based on physical entities controlled by simulated intelligence so as to replicate intelligent life forms, e.g. based on robots replicating pets or humans in their appearance or behaviour
A reactor control system (100) for a nuclear fission reactor system comprising a nuclear reactor unit (300) having a reactor core (302) with a central axis (320) extending along the length of the reactor core (302). The nuclear reactor unit (300) comprises a first region (310) provided in the reactor core (302) and a second region (312) provided outside of the reactor core (302). The control system (100) comprises a control duct (200) having a first portion (210) configured to extend through the first region (310) and a second portion (220) configured to extend through the second region (312). The duct (200) is filled with a series of control units (400), each of the control units (400) configured to travel along the control duct (200).
G21C 7/08 - Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
A heat engine system (100, 1100). The heat engine system (100, 1100) comprises a compressor (300) having an inlet (302) and an outlet (304), a heat source (400) having an inlet (402) and an outlet (404), and a turbine (500) having an inlet (502) and an outlet (504). The compressor (300), heat source (400) and turbine (500) define part of a working fluid flow circuit ( ). The heat engine system further comprises a housing (600) which is operable to be sealed to define a reservoir (602) in which the compressor (400), heat source (400), turbine (500) and working fluid flow circuit (700) are located. The working fluid flow circuit (700) further comprises a compressor-to-heat-source duct (800) which extends between the compressor outlet (304) and the heat source inlet (402), a heat- source-to-turbine duct (802) extends between the heat source outlet (404) and the turbine inlet (502), and a turbine-to-compressor duct (804) extends between the turbine outlet (504) and the compressor inlet (302). A bleed valve (806) is provided in flow communication with the compressor outlet (304), operable to bleed working fluid into the reservoir (602). An intake valve (808) is provided in flow communication with the compressor inlet (302) operable to allow the passage of working fluid from the reservoir (602) to the compressor inlet (302).
F02C 1/05 - Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid the working fluid being heated indirectly characterised by the type or source of heat, e.g. using nuclear or solar energy
A display system (100) for displaying on a least two different types of display a view of an environment in a real world situation, the system comprising: a first display (200) of a first type; a second display (202) of a second type which is different from the first type; a control system (100, 108) for controlling how information is to be displayed between the first display (200) and the second display (202) and configured to: determine (500) there is available symbology relating to the real world situation; determine (502) a positionally correct location the symbology would occupy if visible; determine (504) that at least one of the first display (200) and the second display (202) are displaying a view that corresponds with the positionally correct location of where the symbology, or portions of the symbology, would occupy if visible; cause (512) the symbology, or portions of the symbology, to be displayed, in the positionally correct location in the at least one of the first display (200) and the second display (202).
G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
G06F 3/147 - Digital output to display device using display panels
G09G 5/38 - Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of individual graphic patterns using a bit-mapped memory with means for controlling the display position
79.
FABRICATION SYSTEM FOR THE MANUFACTURE OF A SUPPORT FRAME FOR A PRESSURE VESSEL, AND METHOD OF MANUFACTURE OF A SUPPORT FRAME FOR A PRESSURE VESSEL WITH PROVISION OF SUCH FABRICATION SYSTEM
The present application relates to a fabrication system (100) for the manufacture of a support frame (10) for a pressure vessel. The support frame (10) is fabricated from a plurality of sub-elements (204). The fabrication system (100) comprises a jig assembly (300), a clamping system mounted on the jig assembly (300) and the jig assembly (300) being rotatably mounted about a rotation axis (302), and extending out radially from the rotation axis (302) to an outer edge. A plurality of workstations (600, 602, 604) are arranged around the outer edge of the jig assembly (300), located and configured to perform operations on the sub-elements (204). The plurality of workstations (600, 602, 604) are mounted in a fixed position, the jig assembly (300) being rotatable about the rotation axis (302) relative to the workstations (600, 602, 604).
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B23K 37/047 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
E04H 7/02 - Containers for fluids or gases; Supports therefor
The present invention relates to a field gun with wheel carriage, specifically to a wheel carriage with regenerative braking system as part of the recoil system A field gun, comprising: i)an elevating mass comprising: an ordnance for firing a projectile, the ordnance comprising a barrel defining a barrel axis and having a muzzle towards the front end of the howitzer and a breech assembly at the rear end of the barrel; and a cradle for holding the ordnance at a traverse and an elevation; and at least one co-operative engagement means, for linking said cradle to a wheeled carriage, ii)said wheeled carriage comprising at least one wheel; a rechargeable electric storage device; and a regenerative braking system comprising: a brake control configured for applying a braking force to said at least one wheel in response to movement of the wheeled carriage by a recoil force from the firing of the projectile from the gun barrel.
The present invention relates to a removable weapon system, specifically to a weapons system that is magnetically engaged to a platform. There is provided a removable weapon system for a platform comprising a weapon system with a first mount, said platform comprising a second mount, said first and second mount comprising a reversible engagement device, wherein the reversible engagement device is a magnet
In some examples, a method for generating a set of slot activation configurations for a holographic radial line slot antenna array comprising multiple slots defining a preconfigured slot pattern, each slot activation configuration defining a beam pattern for a signal to be emitted by the antenna, comprises generating a measure for the mutual coupling between the multiple slots in the presence of a signal to be applied to the antenna, the measure comprising a set of scattering parameters defining a scattering matrix for the antenna, using the measure for the mutual coupling, generating a set of impedance parameters for the array, controlling the resonance of at least one of the multiple slots by regulating a value of capacitance of a variable capacitance device provided across the slot, measuring a value for antenna gain of a beam pattern associated with the value of capacitance, selecting a final value of capacitance resulting in the highest measure of gain for the beam pattern, and selecting a slot activation configuration for the beam pattern on the basis of the selected final value of capacitance.
H01Q 19/06 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens
H01Q 1/52 - Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
H01Q 3/24 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
An integrity monitor for monitoring integrity of image sensor data. The integrity monitor comprises an image sensor configured to generate image sensor data, wherein the image sensor data includes an image representative of a scene and a plurality of optically dark pixels in a predetermined position relative to the image. The integrity monitor further comprises a controller configured to: analyse (403) one or more characteristics of at least one of the plurality of optically dark pixels; and determine (405) a presence of a fault in the image sensor data based at least in part on the one or more characteristics of the at least one of the plurality of the optically dark pixels to be output to enable mitigation of the fault.
A cavity system (300-600) is provided. The cavity system comprises a cavity (2) and a spoiler (304-604). The spoiler (304-604) comprises at least one plate (4) having a front surface and a rear surface, and an undulating edge. The spoiler (304-604) is positioned in the proximity of a leading edge (14) of the cavity (2), the leading edge (14) being relative to an actual or intended flow direction (3) of a fluid over the cavity (2), and the spoiler (304-604) is arranged with its longitudinal axis (1) perpendicular to or at an oblique angle to the actual or intended flow direction (3) such that the front surface faces towards the flow direction (3).
The invention relates to a system and method for detecting anomalous system behaviour. The system comprises a plurality of sensors and a trained autoencoder. The method of training comprises: obtaining training data and test data comprising multiple data records for at least one engineering asset which corresponds to the engineering asset whose behaviour is to be classified, wherein the data records comprise a plurality of sensor readings for the engineering asset; fitting the autoencoder to the obtained training data; running the test data through the encoder of the fitted autoencoder to obtain encodings of the test data; generating a plurality of data sets from the obtained encodings, wherein the generated plurality of data sets include under-represented data sets; cloning the fitted autoencoder to create a cloned autoencoder for each of the generated plurality of data sets; and aggregating the cloned autoencoders to form an over-arching autoencoder. The method further comprises calculating an error data set between the training data and data reconstructed by the over-arching auto encoder; obtaining, using the calculated error data set, estimated parameters for calculating an anomaly score for each data record, wherein the anomaly score is selected from a Mahalanobis distance and a squared Mahalanobis distance; and estimating, using the calculated error set, parameters for calculating a decomposition of the anomaly score to identify a contribution from each sensor reading to the anomaly score.
A cavity system is provided. The cavity system (100-600) comprises: a cavity (2) and a spoiler (104-604); and the spoiler (104-604) having a front surface and a rear surface. The spoiler (104-604) is positioned in proximity to a leading edge (14) of the cavity (2), the leading edge (14) being relative to an actual or intended flow direction (3) of a fluid over the cavity (2). The spoiler (104-604) is arranged with its longitudinal axis perpendicular or at an oblique angle to the actual or intended flow direction (3) such that the front surface faces towards the flow direction (3). A first region of the spoiler (104-604) extends further toward the leading edge than a second region of the spoiler (104-604).
According to the present invention there is provided a resonator comprising: a base attachable to an external body; a control element; and one or more connection elements each having a resilient spiral portion, wherein the control element is resiliently connected to the base by the one or more connection elements such that relative movement between the control element and the base is facilitated by the one or more connection elements.
According to the present invention there is provided a vibration control system comprising: a resonator comprising: a base attachable to an external body; a control element; and one or more connection elements each having a resilient portion, wherein the control element is resiliently connected to the base by the one or more connection elements such that relative movement between the control element and the base is facilitated by the one or more connection elements; and a driving mechanism, wherein the resonator comprises at least a part of the driving mechanism.
In some examples, there is provided a method for generating a measure for insertion loss of an antenna structure comprising a radome defining a cavity to receive an antenna array, in which the method comprises receiving a first input comprising a first set of parameters defining a number and relative position of antenna elements for the antenna array whereby to define a geometry for the antenna array, the geometry comprising an array shape and dimensions, receiving a second input comprising a second set of parameters defining a geometry of the radome, the geometry comprising a radome shape and dimensions, partitioning the geometry of the radome into a mesh comprising a first set of discrete geometric and topological cells, determining, for each cell in the first set of discrete geometric and topological cells, angles of incidence of electromagnetic radiation emitted from respective antenna elements of the antenna array for each scan angle of interest, the angles of incidence of electromagnetic radiation for a cell defining a distribution for that cell, on the basis of the distribution for a cell, assigning each cell to a zone of a set of zones for the radome, generating a measure of the insertion loss for each zone, and using the corresponding measure of insertion loss for a zone, selecting a structural configuration for the zone.
In some examples, an apparatus comprises a first working fluid circuit comprising a first working fluid, a heat exchanger fluidly coupled to and in thermal communication with the first working fluid circuit, the heat exchanger to transfer thermal energy from a heat source stream to the first working fluid within the first working fluid circuit, a recuperator fluidly coupled to and in thermal communication with the first working fluid circuit and disposed downstream of the heat exchanger, a first condenser fluidly coupled to and in thermal communication with the first working fluid circuit and disposed downstream of the recuperator, a second working fluid circuit comprising a second working fluid, the second working fluid circuit coupled to and in thermal communication with the first condenser, a second condenser fluidly coupled to and in thermal communication with the second working fluid circuit and disposed downstream of the first condenser, and a third working fluid circuit comprising a third working fluid, the third working fluid circuit coupled to and in thermal communication with the second condenser.
An image generation system and method for displaying an Augmented Reality "AR" image of a real-world environment having one of more objects located therein and one or more AR objects each corresponding to a respective object, the system comprising: a display on which the image of the real-world environment and the AR objects are displayed; a processing and control module configured to: receive, from one or more sensors, data relating to the real-world environment and objects therein; create the one or more AR objects from the objects by determining additional information relating to the object which is represented by at least one of symbols, annotations and fonts to be attached to the AR object to act as a displayed component: displaying the AR image comprising the real-world image and one or more AR objects; wherein the AR objects once created are stored for future retrieval based on a unique identifier for the AR object which remains active as long as the object is of interest.
There is provided a vehicle (100) for protecting an entity (300) against directed-energy weapons (400), comprising: a housing; and a shield for absorbing or reflecting a laser beam, the shield, in use, extending in a plane from the housing. There is also provided a system of vehicles (100) and a method of coordinating a plurality of vehicles (100) to protect an entity (300) against directed-energy weapons (400).
The invention relates to a method of synthesising an organic high explosive, comprising the steps of i) providing a first solution A ii) providing a second solution B, wherein the admixture of solution A and solution B are selected such that they are capable upon formation of the admixture of reacting together to provide an organic high explosive, iii) causing the solution A and B to be mixed and passed through a flow reactor to create an admixture, wherein the flow reactor comprises a pipe, wherein the internal diameter of the pipe is selected such that it is less than the critical diameter of the organic high explosive, thereby preventing detonation of the formed organic high explosive in said flow reactor.
A waveguide to expand image bearing light in at least one dimension is disclosed. The waveguide comprises: an input coupling region configured to couple and input image bearing light into the waveguide; and an output coupling region comprising at least a first microstructure to the expand image bearing light in the first dimension, and output the image bearing light. A first waist point of the image bearing light in a first axis is located at a different location in the waveguide than a second waist point of the image bearing light in a second axis in the waveguide, the second axis orthogonal to the first axis.
A prismatic collimating device (1300) to collimate image bearing light is disclosed. The prismatic collimating device comprises a first prism (1310) and a second prism (1320) arranged to receive and collimate a light beam (R). The first prism comprises an output surface (1302) adjacent to an input surface (1304) of the second prism. The first prism and second prism are arranged such that the light beam undergoes total internal reflection and refraction at both the output surface of the first prism and the input surface of the second prism. Each of the first prism and second prism comprising at least three optically powered surfaces.
There is provided a launchable communications node comprising: an elongate main body (10) having a top end and a bottom end, the bottom end comprising a pointed tip (11); a radio transmitter; an antenna (12); and a power source for powering the radio transmitter. A projectile comprising the communications node and a vehicle having a launcher for stowing and selectively releasing a plurality of communications nodes are also provided.
A Laser Designator Pod (LDP) protective system, the LDP protective system comprising: a protective hood (10) a laser detector (110) arranged within the protective hood (10) to generate a signal when exposed to laser radiation within a predefined range of wavelengths; and a computing device (140) to record the generated signal.
A method of creating one or more secure tunnels within a network, a router node implementing the method and a network comprising a plurality of router nodes. The method comprises: connecting a first router node to the network, wherein the first router node comprises a plurality of bearer interfaces, each having a virtual routing and forwarding VRF module; receiving, from neighbouring nodes in the network, at least one loopback address for at least one bearer interface in the neighbouring nodes; and detecting, using the first router node, one or more routing prefixes associated with a traffic or management tunnel within the at least one received loopback address. In response to detecting the one or more routing prefixes, the method comprises using the first router node to: build a routing table comprising at least one loopback address for a bearer interface of the same type in one of the neighbouring nodes; extract, from the built routing table, an IP address for each of the traffic and management tunnels to be created; and set each extracted IP address as the destination address for each of the traffic and management tunnels. The method also comprises establishing a traffic and management tunnel to each neighbouring node, by selecting a bearer interface to connect to each neighbouring node; learning the set destination addresses for the traffic and management tunnels for the selected bearer interface and building the management tunnel and the traffic tunnel to each neighbouring node using the learnt destination addresses.
A cooling system (100) for removing heat from a heat source (1000) fluid cooling circuit (1100). The cooling system (100) comprises a first fluid manifold (200) for flow of a heat transfer fluid, the first fluid manifold (200) comprising a flow inlet (210) and a flow outlet (212); a heat exchanger (310) and a heat sink unit (410) each in heat transfer communication with the first fluid manifold (200). In a first mode of operation, heat transfer fluid enters the flow inlet (210) and part of the heat transfer fluid flow is controlled to be in heat transfer communication with the heat exchanger (310), and the remainder of the heat transfer fluid flow is controlled to be in heat transfer communication with the heat sink unit (410). In a second mode of operation, heat transfer fluid enters the flow inlet (210) and all of the heat transfer fluid flow is controlled to first be in heat transfer communication with the heat sink unit (410) and then in heat transfer communication with the heat exchanger (310).
H01M 10/60 - Heating or cooling; Temperature control
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
H01L 23/34 - Arrangements for cooling, heating, ventilating or temperature compensation
H01L 23/427 - Cooling by change of state, e.g. use of heat pipes
H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids