Abstract: A body frame joint and a vehicle having the same are provided. The body frame joint includes: a first sub-joint; and a second sub-joint. The first sub-joint and the second sub-joint are adapted to be mounted to a body frame. A transverse beam connection groove and a longitudinal beam connection groove are defined by engaging the first sub-joint and the second sub-joint. The transverse beam connection groove is adapted to accommodate a transverse beam of the body frame, and the longitudinal beam connection groove is adapted to accommodate a longitudinal beam of the body frame.

Abstract: A serving robot apparatus is disclosed. The serving robot apparatus includes a main body; a shelf horizontally supported by the main body; a first driving device configured to move the main body; a display comprising a front surface to display an image and a rear surface disposed to face a side surface of the main body; a link member comprising one end connected to the main body and other end connected to a rear surface of the display; and a second driving device configured to move the link member so that the display moves along the side surface of the main body.

Abstract: Provided is a storage system for a split-configuration tailgate. The storage system includes a deployable storage box for placement on one of the first and second doors. In some aspects, the deployable storage box includes a mounting system that permits the storage box to be removed from the split-configuration tailgate.

Abstract: A motor control device includes a model following controller to generate a correction torque based on an output from a control target that is a motor, and correct an input to the control target with the correction torque. A model following controller includes a high-pass filter with a first cutoff frequency and a low-pass filter with a second cutoff frequency larger than the first cutoff frequency, and is configured or programmed so that a transfer function of a control target is constrained to a nominal model in a frequency band in which a gain in a gain characteristic of Q(s)·HPF(s) is 1 where Q(s) is a transfer function of the low-pass filter and HPF(s) is a transfer function of the high-pass filter.

Abstract: A power steering system includes a pair of wheel steering mechanisms configured to turn a pair of steered wheels of a vehicle, and a coupling mechanism coupling the steered wheels and coupling the wheel steering mechanisms including operating-side and nonoperating-side mechanisms. The operating-side mechanism includes a drive shaft coupled to one end of the coupling mechanism and extending in an axial direction, and a steering operation member engaged with the drive shaft. The nonoperating-side mechanism includes a drive shaft coupled to the other end of the coupling mechanism and extending in an axial direction, and an electric assist device engaged with the drive shaft. The operating-side mechanism includes at least two operating-side stoppers respectively configured to limit right and left turns of the steered wheels. The nonoperating-side mechanism includes at least one nonoperating-side stopper configured to limit any one of right and left turns of the steered wheels.

Abstract: Embodiments of the disclosure relate to a steering assist device and method, and a steering system. The steering assist device comprises an input-side steering control module controlling an input-side steering actuator to assist an input-side mechanism connected with a steering wheel and an output-side steering control module controlling an output-side steering actuator to assist an output-side mechanism mechanically separated from the input-side mechanism and connected with a wheel. The output-side steering control module may control an output-side steering motor based on a position sensing value of the output-side mechanism and a position sensing value of an output-side steering motor included in the output-side steering actuator, which are received from their respective sensors.

Abstract: A failure detection device for a steering angle sensor according to an embodiment comprises: a steering angle sensor including a main gear that rotates together with a steering wheel, a first sub-gear and a second sub-gear that are each engaged with the main gear and have a constant gear ratio with the main gear, a first Hall IC chip for detecting the angle of the first sub-gear, and a second Hall IC chip for detecting the angle of the second sub-gear; and a control unit that determines failure of the steering angle sensor on the basis of a first angle difference between the current angle and a previous angle of the first sub-gear as detected by the first Hall IC chip, and a second angle difference between the current angle and a previous angle of the second sub-gear as detected by the second Hall IC chip.

Abstract: An electric power steering system includes an electric motor configured to provide power to a steering mechanism of a vehicle. A controller operates the electric motor in response to an input. A flash memory device is in communication with the controller. A temperature sensor provides an output indicative of a temperature of a part of the electric power steering system. The controller is configured to power down or prevent power up of the flash memory device if the temperature of the electric power steering system is outside of a predetermined temperature range. A method of operating an electric power steering system includes measuring a temperature of the electric power assisted steering system and switching off a flash memory device of the electric power steering system if the temperature of the electric power steering system is outside of a predetermined temperature range.

Abstract: A secondary steering pump system may include a secondary steering pump, a bypass valve having a first bypass position configured for placing the secondary steering pump in fluid communication with a hydraulic tank and a second use/testing position configured for placing the secondary steering pump in fluid communication with a steering control circuit. The system may also include a solenoid valve configured for actuation by a solenoid and for selectively actuating the bypass valve from the first position to the second position. The system may also include a pressure sensor configured for sensing pressure in the system.

Abstract: A first vehicle unit is couplable a second vehicle unit, so that a vehicle combination is formed, wherein the first vehicle unit comprises a transceiver configured to establish a sidelink to a transceiver of the second vehicle unit. In one embodiment, the first vehicle unit is configured to perform an automatic coupling procedure for coupling itself to the second vehicle unit, wherein the sidelink is established prior to completion of the coupling procedure. In another embodiment, the sidelink adds redundancy to wired communication link between respective vehicle unit computers. In yet another embodiment, the transceivers of the vehicle units remain independently addressable even after the vehicle combination has been formed.

Abstract: A fifth-wheel coupling arrangement includes, a plurality of wear sensors, a fifth-wheel coupling plate, a lock claw mounted on the fifth-wheel coupling plate configured to be movable in a first closing direction, a locking mechanism, with a stop, configured to be mounted on the fifth-wheel coupling plate configured to be movable in a second closing direction, wherein the fifth-wheel coupling plate has an insertion opening for a king pin, wherein the lock claw positively prevents the king pin from moving out of the insertion opening in a closed state of the fifth-wheel coupling arrangement and allows the king pin to move out of the insertion opening in an open state of the fifth-wheel coupling arrangement, wherein the wear sensor is configured to monitor a wear parameter of the fifth-wheel coupling arrangement, and wherein the wear sensor has a data output.

Abstract: The invention relates to a driverless transport vehicle for moving a semi-trailer. The driverless transport vehicle comprises a base body and a telescopic arm protruding from the base body, said telescopic arm comprising a surroundings detection device on one end facing away from the base body. The invention also relates to a method for moving a semi-trailer using a driverless transport vehicle.

Abstract: The present invention relates to a link seal of a crawler track, and a method of manufacturing the same. During the manufacturing of the link seal, a shape restoration part is formed integrally on the link seal body in order to enhance the restorative force partially or entirely and without needing additional ring-shaped shape restoration member, so the link seal of a crawler track does not need assembly work of the link seal, has a simple structure, can maintain the restorative force of the link seal for a long time without elongation of the ring-shaped shape restoration member, and remarkably reduce manufacturing costs of the link seal.

Abstract: A track roller includes a roller shell, a roller shaft extending through the roller shell, and a collar. The collar includes a center body interference-fitted upon the roller shaft, and a seal carrier. A clearance extends radially between a center body outer surface and a face seal assembly held in axial compression between the seal carrier and the roller shell. An oil void is formed in the center body and fluidly connected to the clearance to provide an increased oil volume for lubrication and heat-dissipation.

Abstract: An apparatus for releasing a magnetic crawler from a ferromagnetic operating surface has a ramp fabricated from lightweight non-magnetic materials. The ramp includes a base portion, inclined upper portion for receiving a magnetic crawler, a front end and a rear end. Ferromagnetic members are positioned on the top surface of the upper portion and configured to be magnetically attached to the tracks or wheels of a magnetic crawler. Magnets are positioned on the bottom portion and configured to be magnetically attached to a ferromagnetic operating surface upon which the magnetic crawler operates. In some embodiments, the lightweight non-magnetic materials are highly buoyant.

Abstract: A method and apparatus for transporting heavy machinery, equipment or other heavy loads from one location to another, whereby the apparatus may be constructed as a walking machine including a plurality of lifting assemblies operative to lift the load above the supporting surface and then move the load relative to the supporting surface by transporting the load via rollers or tracks in the walking machines. In one example, the lifting assemblies are provided with separate longitudinal and lateral drive mechanisms independently operative for translating the load in either or both longitudinal and lateral directions.

Abstract: A robot system includes: an upper body section including one or more end-effectors; a lower body section including one or more legs; and an intermediate body section coupling the upper and lower body sections. An upper body control system operates at least one of the end-effectors. The intermediate body section experiences a first intermediate body linear force and/or moment based on an end-effector force acting on the at least one end-effector. A lower body control system operates the one or more legs. The one or more legs experience respective surface reaction forces. The intermediate body section experiences a second intermediate body linear force and/or moment based on the surface reaction forces. The lower body control system operates the one or more legs so that the second intermediate body linear force balances the first intermediate linear force and the second intermediate body moment balances the first intermediate body moment.

Abstract: A behavior control apparatus for a vehicle includes a vehicle speed detector, a curvature setting unit, a steering angle detector, a yaw rate detector, a deceleration rate detection unit, a target yaw rate setting unit, a vehicle behavior determination unit, and a vehicle behavior controller. The vehicle behavior controller includes a grip restored vehicle speed estimation unit, an estimated yaw rate setting unit, a grip restored target yaw rate setting unit, and a steering control unit. The steering control unit makes a steering control including allowing a yaw rate of the vehicle to settle at a grip restored target yaw rate at which tire grip is restored, on the basis of a difference between an estimated yaw rate and the grip restored target yaw rate.

Abstract: A vehicle control system for a steer-by-wire vehicle executes: driving assist control that assists driving of the vehicle; and conjunction reaction force control that applies a steering reaction force component to a steering wheel in conjunction with vehicle turning caused by the driving assist control. A driver turn angle is a target turn angle corresponding to a steering angle of the steering wheel, and a first system turn angle is a target turn angle required by the driving assist control. In the conjunction reaction force control, a second system turn angle is acquired by adjusting the first system turn angle according to a driver's steering intention such that the difference between the system turn angle and the driver turn angle becomes smaller. Then, a steering reaction force component is applied in a direction of reducing a difference between the driver turn angle and the second system turn angle.

Abstract: A high density horsepower (HP) mobile pump system may include an elongated unibody frame having a frame cavity, a front end, a rear end, an elongated roof panel, a front panel, a rear panel, an elongated floor assembly having an upper side and a lower side, an elongated first side panel, and an elongated second side panel. An under carriage structural lattice arrangement may be coupled to the lower side of the floor assembly from the midpoint and extending towards the front end. The under carriage structural lattice arrangement may include a first elongated lattice and a second elongated lattice. At least one wheel and tire assembly may be coupled to the elongated unibody frame. A reciprocating engine may be coupled to the upper side of the elongated floor assembly. A transmission assembly may be coupled to the reciprocating engine, and a pump may be coupled to the transmission assembly.

Abstract: A four-wheel independent steering system and a method of controlling the four-wheel independent steering system. The four-wheel independent steering system includes a front/rear-wheel-angle-ratio calculation unit to calculate a ratio Kss between front and rear wheel angles that allows a body slip angle to converge to ‘0’ and allows a yaw angle and a yaw rate to maintain target values, and a control unit to perform four-wheel steering control based on the ratio Kss between the front and rear wheel angles.

Abstract: A steering knuckle includes a housing and an extension arm. One end of the extension arm is disposed on the housing on a side corresponding to a position of a rear wheel. A first assembly hole configured to fit a ball joint tie rod is created at another end of the extension arm. The housing includes a bottom face as well as a first end face and a second end face disposed opposite to each other on the bottom face. A second assembly hole configured to fit a ball joint lower control arm is created on the first end face. A third assembly hole configured to fit a ball joint upper control arm assembly is created on the second end face. A connecting line between the second assembly hole and the third assembly hole forms a kingpin axis.

Abstract: The present disclosure provides a system and method for controlling a lock of a subject. The system may obtain an instruction for locking the subject. The system may obtain a status of the subject. The system may control the lock of the subject based on the instruction and the status of the subject. In response to a determination that the subject is in a motion status, the system may repeatedly update the status of the subject until an updated status of the subject is a static status. The system may lock the subject by controlling the lock of the subject based on the instruction and the static status of the subject.

Abstract: A notification device basically including a display and a controller. The display is configured to selectively display first information related to a traveling state of a first human-powered vehicle and second information related to a positional relationship between the first human-powered vehicle and a second human-powered vehicle that is different from the first human-powered. The controller is configured to control the display to display the second information in a case where the positional relationship between the first human-powered vehicle and the second human-powered vehicle satisfies a predetermined condition.

Abstract: An attachment system for attaching a storage container to a vehicle includes a passive attachment device for securing the storage container to the vehicle. The passive attachment device automatically secures the storage container to the vehicle when the storage container is positioned in place on the vehicle. The attachment system also includes an active attachment device manually operable by a user to selectively lock the storage container in place on the vehicle when the storage container is secured to the vehicle via the passive attachment device. The active attachment device prevents motion of the storage container relative to the vehicle when the active attachment device is engaged so as to lock the storage container in place on the vehicle. A vehicle including the storage container and the attachment system is also provided. A storage container assembly including the storage container and passive and active attachment devices is also provided.

Abstract: Adjustable suspension comprising a suspension body having a bottom, a piston disposed in the suspension body and comprising a piston head, the bottom and the piston head delimiting a main chamber inside said suspension body, the piston being movable in translation in the suspension body; and a fluid distribution device comprising a main fluid inlet configured to inject a fluid into the suspension and a fluid outlet, the piston being able to assume a first position in which the fluid distribution device is configured to bring the fluid injected through the main fluid inlet into the main chamber so as to deploy the piston and a second position in which the fluid distribution device is configured to guide the fluid injected through the main fluid inlet to the fluid outlet in order to evacuate the fluid out of the suspension.

Abstract: An air spring assembly is disclosed. The air spring assembly includes an upper fork tube having a base lug on one end, a lower fork tube having an opening to receive the upper fork tube in a first axial end, and a fork tube gas seal to form a gas seal between the upper fork tube and the lower fork tube. A partial cartridge tube within a portion of the upper fork tube, the partial cartridge tube including a partial cartridge tube gas seal between an outer diameter (OD) of the partial cartridge tube and an inner diameter (ID) of the upper fork tube. An annular volume formed between the ID of the upper fork tube, the OD of the partial cartridge tube, the partial cartridge tube gas seal, and the base lug of the upper fork tube.

Abstract: Herein described is a bicycle comprising a frame, a drive wheel and a pedal crank/pedal assembly which transmits mechanical energy to the drive wheel by means of a transmission system which comprises: a tank containing a hydraulic fluid; a hydraulic circuit in which the hydraulic fluid flows; a hydraulic pump, actuated by the pedal crank/pedal assembly and configured to pump the hydraulic fluid through the hydraulic circuit; at least one hydraulic actuator, arranged along the hydraulic circuit and configured to transform the hydraulic energy supplied by the hydraulic pump to the hydraulic fluid into mechanical energy; and a drive shaft, connected to the hydraulic actuator and configured to transfer the mechanical energy generated by the hydraulic actuator to the drive wheel. The hydraulic pump is connected to an electric motor whose rotational speed, as well as the operating parameters of the hydraulic pump, are controlled by a circuit board.

Abstract: An electric power assist device includes a housing for attaching to a frame structure of a bicycle; an electric motor provided in the housing; a rotating member rotatably supported by the housing, rotationally driven by the electric motor, and connected to a crankshaft/crankarm of the bicycle in a torque transmitting relationship; a rotational angle sensor provided in the housing and configured to detect a rotational angle of the electric motor or the rotating member; and a control unit for controlling operation of the electric motor based on the rotational angle detected by the rotational angle sensor, wherein the electric power assist device has a tilt angle detector for detecting a tilt angle with respect to a direction of gravity, the control unit having a calibrator for determining an absolute angle of the rotational angle detected by the rotational angle sensor based on an output signal from the tilt angle detector.

Abstract: A modular swim platform assembly is for a boat. The assembly has a deck that is movable relative to the boat into and between a retracted position and an extended position, wherein the deck is located closer to the boat in the retracted position than the extended position. The deck has a base platform and a submersible platform, the submersible platform being movable out of the extended position while the base platform remains in the extended position, and particularly wherein the submersible platform is movable out of the extended position to a deployed position that is below the base platform.

Abstract: The invention relates to an apparatus for launch and recovery a submersible vessel from and to an off-shore site. The apparatus comprises an actively operated gimbal coupled between said first end of the launch/recovery cable and the submersible vessel, when the submersible vessel is suspended by the launch/recovery cable. Both the displacement unit and the winch are operated by electrical motors during displacement of the displacement unit and during winding of the launch/recovery cable. Electrical power for the electrical motors is provided by batteries of the apparatus.

Abstract: A double-chambers inflatable kayak, including an upper chamber and a lower chamber which are fixedly connected to each other by a connecting portion and between which a cavity is formed, wherein the upper chamber includes a cockpit hole and a first air valve provided on the surface, the cockpit hole being in communication with the cavity, and the first air valve being used to inflate and deflate the upper chamber, and wherein the lower chamber includes a second air valve which is used to inflate and deflate the lower chamber.

Abstract: A pressurized livewell system is designed to autonomously maintain a slightly elevated water pressure within the livewell tank, and to keep the tank substantially full of water at all times to prevent injury or death of live bait due to sloshing of water within the tank when the boat is in rough water. The system includes a tank with a lid, a water pressure sensor connected to an electronic controller programmed with an algorithm, which controls voltage to a pump, and a water outflow system including an in-line low pressure check valve. The pressure sensor continuously sends water pressure data to the electronic controller, which uses the algorithm calculations to continuously adjusts pump voltage, and thus water output rate, to maintain a constant pressure, preferably between 0.08 psi and 0.1 psi. The system may be operated in manual mode or automatic mode.

Abstract: An apparatus comprising a processor and an actuator. The processor may be configured to generate a control signal in response to an actual path of a boat determined in response to signals received from GNSS satellites and a centerline path of the boat. The actuator may be configured to move a control surface mounted on a centerline of the boat in response to the control signal. The processor may be configured to calculate the control signal by comparing the actual path of the boat relative to the centerline path. The control signal may be calculated by the processor in real time as the actual path of the boat changes in response to a deviation from the centerline path caused by a force acting on the boat. The control surface may provide adjustments to the actual path of the boat to center the actual path axially along the centerline path.

Abstract: A waterborne vessel includes a hull structure, longitudinal and transverse drive tunnels, and one or more thrusters. The hull structure has a base and side walls forming a U-shaped cross-section, open forward and aft ends, and an open top. The drive tunnels extend through the base portion of the hull structure. Each thruster is located at a corresponding intersection of longitudinal and transverse drive tunnels. Each thruster drives water flow through the corresponding drive tunnels and is rotatable about a vertical axis among multiple different thruster orientations in which the thruster drives water flow in one direction or the other through the corresponding longitudinal or transverse drive tunnel. A method includes: lowering the vessel through water to a submerged target payload; maneuvering the vessel and/or payload to position the payload on the hull structure between the side walls; and raising the vessel and payload toward the water surface.

Abstract: A garment to repel underwater aquatic creatures. A first component for generating a control signal and a second component for receiving the control signal and transmitting an electromagnetic signal responsive thereto, an electromagnetic field created by the electromagnetic signal radiating from the second component into an aquatic area surrounding the garment. A water sensor disposed on the garment for activating the first and second components to transmit the electromagnet signal when the water sensor senses presence of water.

Abstract: Disclosed is path planning system and method for sea-aerial cooperative underwater target tracking, the method comprises: obtaining the position information of a detection target, carrying out a first path planning along a channel of sea surface monitoring device according to the position information of the detection target; carrying out a second path planning along the channel of sea surface monitoring device according to the water surface navigation map and its own position information, constructing an underwater obstacle map; performing a third path planning according to the underwater obstacle map, and tracking to the position of the detection target to complete the tracking task. This disclosure adopts the collaborative optimization of several clusters to reduce the number of iterations and improve the optimization efficiency, making the path planning reasonable, as a result, the target position can be quickly tracked, and the autonomous collaborative tracking capability is improved.

Abstract: A system receives data from a submersible remote operated vehicle (ROV), the data being about the operation of an arm of the ROV. The system automatically controls, based on the data, movement of the arm in docking the arm to a tool holder. In certain instances, the system implements an image based control. In certain instances, the system implements a force accommodation control. In certain instances, the system implements both.

Abstract: An enclosure structure suitable for high-pressure environments includes a feedthrough for coupling components housed within the enclosure structure to components external to the enclosure structure. The enclosure structure includes a housing comprising one or more cavities for receiving one or more electronic components within an interior of the housing and a bore through the housing. The one or more electronic components comprises a connector element and the bore comprises a non-tapered portion and a tapered portion. The non-tapered portion is proximate to the interior of the housing and the tapered portion is proximate to the exterior of the housing. The bore is configured to receive a feedthrough pin for coupling the connector element to an external component external to the enclosure structure. The enclosure structure also includes a feedthrough pin extending through the bore and a potting material disposed within the tapered portion surrounding the feedthrough pin.

Abstract: An outboard motor that significantly reduces or prevents discoloration around an exhaust hole includes an engine, a drive shaft, a propeller shaft, a housing, a discharge passage, and non-metal covers. The housing includes a discharge outlet to discharge an exhaust gas of the engine and the cooling water of the engine. The discharge passage guides the exhaust gas and the cooling water from the engine toward the discharge outlet. The covers are detachably attached to the housing so as to cover the discharge outlet and include at least one exhaust opening.

Abstract: An intelligence, surveillance, and reconnaissance system is disclosed including a ground station and one or more aerial vehicles. The aerial vehicles are autonomous systems capable of communicating intelligence data to the ground station and be used as part of a missile delivery package. A plurality of aerial vehicles can be configured to cast a wide net of reconnaissance over a large area on the ground including smaller overlapping reconnaissance areas provided by each of the plurality of the aerial vehicles.

Abstract: A crash load distribution structure of a fuselage may include a front fuselage frame surrounding a front surface of the fuselage, a crash unit disposed at the front end of the front fuselage frame, an extension frame coupled to the crash unit and extending to a floor frame, and a battery unit disposed under the floor frame and coupled to a portion of the floor frame constituting the floor frame. The battery unit may be selectively separable from the portion of the floor frame, e.g., if a crash load is transmitted from the extension frame.

Abstract: In an aircraft, the airframe includes a windshield frame, with an energy attenuating windshield corner support extending across a corner of the windshield frame. The energy attenuating windshield corner support is configured to deform upon an impact to a windshield disposed in the windshield frame. This energy attenuating windshield corner support may be shaped and/or sized to enable, and/or comprised of a material that enables, the aircraft windshield corner support to deform upon the impact to the windshield disposed in the windshield frame, attenuating energy of the impact to the windshield disposed in the windshield frame.

Abstract: A propeller comprising a hub, a blade, and a hinge is disclosed. In various embodiments, a blade includes a neck portion angled away from a plane of rotation of the hub, wherein the blade has a longitudinal axis extending through the blade and running from a tip of the blade to an end of the neck portion, and a dihedral angle of the blade is an angle of the blade relative to the plane of rotation of the hub. The hinge includes a pivotal link, and connects the blade to the hub, wherein the hinge has an axis of rotation that is offset from a line perpendicular to the longitudinal axis of the blade, and responds to forces acting on the blade to vary a pitch of the blade including causing the blade to be at a lower pitch and higher dihedral angle in a first mode.

Abstract: A flow control device on a structure such that strain in the structure is at least partially transferred to the flow control device is disclosed having at least two states, or shapes, separated by an elastic instability region. The flow control device is arranged to rapidly transition, or snap through, from the first state to the second state when strain in the structure exceeds an activation threshold of the flow control device. A spoiler on an aerofoil has a rest position where it is substantially flush with the low pressure surface and an activated position where it protrudes from the low pressure surface and modifies the airflow over that surface. The spoiler bends to move from the rest position to the activated position when the strain in the aerofoil crosses a threshold. The deployed spoiler reduces the lift on the aerofoil, acting to reduce the lift induced strain of the aerofoil to which the spoiler is attached.

Abstract: An aircraft system for an aircraft is disclosed having a controller that is configured, during a take-off procedure, to initiate, prior to receiving a command to retract a landing gear, automatic opening of a landing gear bay door associated with the landing gear from a closed position towards an open position, on the basis of a determination, made when a speed of the aircraft is determined by the controller to be equal to or greater than a first threshold speed, that a one engine inoperative condition is met.

Abstract: A shock absorber for an aircraft landing gear is disclosed. The shock absorber includes a stop surface arranged to limit extension of the shock absorber and a crumple element configured to deform in the event that the extension load on the stop surface exceeds a predetermined threshold. The crumple element may form part of the out-stop tube of the shock absorber. Deformation of the crumple element may be identified by measuring the length of the fully extending landing gear, through non-destructive testing or by measuring the change in conductance of the crumple element.

Abstract: The present invention provides an engine of a vertical take-off and landing aircraft, wherein the engine is configured to be movable with respect to an aircraft component of the aircraft between a hover position for take-off and landing, and a cruise position for forward flight, wherein the engine comprises an aerodynamic component having at least one aerodynamic element movable between a first position and a second position the aerodynamic element defining an aerodynamic surface in contact with an airstream passing through the engine.

Abstract: A kit of parts for forming an aerofoil assembly is disclosed having a torsion box structure including a first attachment point and a second attachment point, the first and second attachment points being separated from each other along a separation axis, and a fixed leading or trailing edge structure including corresponding first and second attachment points, wherein a first structure includes a slidebly mounted abutment piece slideable along a slide path extending in a direction parallel to the separation axis and a fixing mechanism for fixing the slidebly mounted abutment piece. A second structure includes a corresponding abutment feature having a first abutment surface facing in a direction parallel to the separation axis of the second structure, such that, in use, the abutment piece prevents relative movement of the first and second structures.

Abstract: Disclosed are systems, apparatuses, and methods to enhance control of a drone-load system, including through drone thrusters or load thrusters.