Abstract: Composite structures and methods of forming composite structures are provided. A composite structure as disclosed herein incorporates one or more composite structure components, such as composite panels and composite inserts. A composite panel is formed from one or more sheets of fiber reinforced thermoplastic material. Composite inserts can include one or more composite blocks or braided sleeves. A composite block can be formed as a stacked or molded structure from trimmings or waste produced during the formation of the composite structures. A braided sleeve can include a seamless, woven sleeve formed of reinforcing fibers and thermoplastic threads. In a completed composite structure, composite inserts are at least partially disposed within a volume defined by surfaces of composite panels. The various composite structures and inserts can be given a final shape and can be fused to one another in a molding and fusing step.

Abstract: A clamp assembly for attaching a grip to a bike handlebar is provided. The clamp assembly includes an insertion member that is inserted between the grip and the bike handlebar and has an outer end formed with a jaw structure. A clamping member is disposed into and coupled with the jaw structure. The clamping member is of a C-shaped structure having a first end and a second end that face and correspond to each other and spaced by a spacing distance. With the clamping member being disposed into and coupled with the jaw structure of the insertion member, a fastening member is applied to reduce and shrink the spacing distance between the first end and the second end of the clamping member.

Abstract: A shock absorber includes a stationary part; a steering part extending in a longitudinal direction and rotatably coupled to the stationary part by a rotation axis in the longitudinal direction; a sliding part which forms an internal space containing fluid between the steering part and slidably coupled to the steering part in a direction in which the steering part extends; an elastic body having both ends respectively coupled to the steering part and the sliding part to support the steering part and the sliding part and maintain the internal space between the steering part and the sliding part; a flow path formed in the sliding part and configured to communicate the internal space between the steering part and the sliding part to outside so that the fluid can flow; and a steered driving wheel slidably connected to the sliding part.

Abstract: A shock-absorbing front fork for a bicycle includes an inner part securely inserted in the crown of the front fork. The inner part includes multiple first slots and second slots defined axially in the outside thereof. Each first slot receives a pin therein, and each second slot receives a roller therein. A rod extends through a dust-proof unit, a first ring and a spring. The lower section of the rod is connected to the top end of the inner part. An outer part is a tube which includes multiple first grooves and second grooves defined axially in the inner periphery thereof. The outer part is mounted to the inner part. The pins are partially accommodated in the first grooves, and the rollers are partially accommodated in the second grooves. The outer part is axially movable relative to the inner part by the pins and the rollers with less friction.

Abstract: A piston assembly is provided for a human-powered vehicle. The piston assembly includes a main body, a primary seal and a secondary seal. The main body is configured to be movable from a rest position to an actuated position along an actuation direction in a cylinder bore. The primary seal includes a primary seal body arranged on the main body, the primary seal body being made of the first seal material. The secondary seal includes a secondary seal body arranged on the main body at upstream of the primary seal with respect to the actuation direction. The secondary seal body is made of a second seal material that is more elastic than the first seal material.

Abstract: An improved cleat assembly configured to be releasably secured to a clipless bicycle pedal comprises a first plate, a second plate disposed over the first plate, and plurality of spacers disposed between the first and second plates, the spacer separating the first and second plates a predetermined distance. The second plate may define a pedal aperture having a circumferential periphery comprising a first portion and a side tie portion and the side tie portion may be offset from the first portion. The cleat assembly may further comprise a cap disposed over at least the second plate wherein the second plate may comprise a first of an engagement pair and the cap may comprise a second of the engagement pair. The first and second of the engagement pair may cooperate to couple the cap and the second plate to affix the cap onto the cleat assembly.

Abstract: A bicycle pedal attachment includes an elongated pole, similar to hiking pole, which is removably attachable to the pedals of a bicycle or tricycle. The bike pedal attachment includes a bracket assembly and a pole assembly. The bracket assembly includes a support bracket attachable to a bicycle pedal. The distal end of the support bracket includes a ball joint extend therefrom. The ball joint then serves as an operative connection point for the pole assembly. The pole assembly includes an elongated telescopic pole with a locking mechanism at a distal end. The locking mechanism includes a slidable locking member that engages with the ball joint thereon. Once assembled thereon, the bike pedal attachment allows a user to use their hands eases the cycling motion performed on the bicycle.

Abstract: A gearbox may include a drive spindle and several interconnected gear clusters arranged in a housing. A first of the gear clusters is coaxially fastened to the spindle, and has an outboard gear and an inboard gear. The first gear cluster drives a belt to operate one or more of the other gear clusters, and the inboard gear is physically divided into a plurality of segments. A shifting system for the gearbox includes an actuator configured to urge the segments of the inboard gear of the first gear cluster into and out of the plane of the belt, such that a gear ratio of the gearbox is changeable without displacing the belt out of the plane.

Abstract: A bicycle battery system includes a battery assembly and a battery lock. The battery assembly includes a battery and a handle assembly mounted to the battery. The handle assembly includes a handle mount, a handle plunger, and a handle. The battery lock is mounted within a cavity of a frame of a bicycle and configured to secure the battery assembly within the cavity. The battery lock includes a lock plunger, a movable latch, and a stationary latch. The lock plunger is configured to press a portion of the handle mount against the movable latch when the battery lock is in a locked position such that the battery assembly is securely mounted within the cavity. Responsive to the battery lock being in an unlocked position, the handle plunger is configured to cause the handle mount and the handle to pivot away from a face of the battery such that at least the portion of the handle mount engages the stationary latch of the battery lock.

Abstract: An electric drive motorcycle (100), comprises: a front portion comprising one or more front wheels (103) and a handlebar (104); a rear portion comprising a saddle (101), a shell body (107) arranged below said saddle (101), and a rear wheel (105) arranged below said shell body (105); an intermediate portion (108) extending as a connection between said front portion and said rear portion; an electric drive unit (8) connected to said rear wheel (105); a power supply unit feeding said electric drive unit (8); and a helmet carrying compartment (11) placed in the shell body (107) below the saddle (101), wherein said power supply unit is arranged in a position below said helmet carrying compartment (11), so that said saddle (101), said helmet carrying compartment (11) and said power supply unit are substantially stacked on each other, being said helmet carrying compartment (11) and said power supply unit arranged inside the shell body (107), wherein said supply unit comprises a battery unit (15) or a battery unit (1

Abstract: The disclosure relates to a derailleur for a bicycle, comprising a B-knuckle assembly which is designed for mounting on the bicycle frame, a P-knuckle assembly, a parallelogram assembly via which the B-knuckle assembly and the P-knuckle assembly are movably connected to one another, a cage assembly in which a chain guide pulley and a chain tension pulley are rotatably held, where the cage assembly is mounted on the P-knuckle assembly so as to be rotatable about a P axis, and an rotation angle detection device which is designed to detect and/or display an angle of rotation between the P-knuckle assembly and the cage assembly.

Abstract: A gearbox may include a drive spindle and several interconnected gear clusters arranged in a housing. A first of the gear clusters is coaxially fastened to the spindle, and has an outboard gear and an inboard gear. The first gear cluster drives a belt or chain to operate one or more of the other gear clusters, and the inboard gear is physically divided into a plurality of segments. A shifting system for the gearbox includes an actuator configured to urge the segments of the inboard gear of the first gear cluster into and out of the plane of the belt or chain via a toggle and slider mechanism, such that a gear ratio of the gearbox is changeable without displacing the belt or chain out of the plane.

Abstract: An adjustable surf wake system enhances a wake formed by a watercraft travelling through water. The system may include a flap for deflecting water traveling past the stern of the watercraft, and/or a positioner operably connected to the flap for positioning the flap relative to a longitudinal axis of the watercraft between a neutral position and an outward position. Positioning a port flap in its extended position enhances a starboard surf wake, and positioning the starboard flap in its extended position enhances a port surf wake.

Abstract: Disclosed is a line handling system 10 for a tugboat 1. The line handling system 10 comprises an actuatable coupling mechanism 200 for coupling together a line 13 of the tugboat 1 and a line 20 of the marine vessel 2 by applying a connector 210 to the lines 13, 20 when actuated.

Abstract: An inflatable stand up paddleboard, combined with a thermally insulated compartment is disclosed herein. The compartment may be used for storage of food, drink, personal effects, and other items that may require storage in a temperature stabilized medium. As constructed, the compartment and storage of items therein does not diminish the functionality or versatility of the inflatable paddleboard.

Abstract: Disclosed is inter alia an apparatus (63) for sensing a movement of an object (10, 11) relative to a fluid (12, 13), e.g. for sensing relative movements of a surf board in water. A particular characteristic of the invention is that the housing (21) is mounted in fixed arrangement to a surface (20) of the object, the housing receiving a spring member (62) having a plurality of blades (25a, 25b, 25c, 25d), wherein each blade has an outer end (27) which is fixed to the housing, and an inner end (28) which is connecting to a center portion (65) of the spring, the plurality of blades defining a plane (73), wherein a plurality of strain gauges (26a, 26b, 26c, 26d) is positioned on the blades, and wherein a rigid pin (17) is mounted on the center portion of the spring member which is extending in a direction of a normal vector (74) of the plane and which is protruding from the surface (20) of the object and configured to dip into the fluid.

Abstract: A watercraft comprising a battery ballast system is shown and described. The battery ballast system comprises a plurality of carriage assemblies, each comprising a plurality of tiers along the watercraft's height axis, and each being movable along the watercraft's length axis. The batteries sit on movable supports that are movable along the watercraft's width axis. Each tier is loaded to less than 50 percent with batteries and battery supports so that the batteries in each tier can be moved along the ship's width axis relative to the hull in a manner that will affect the ship's list. The carriage assemblies occupy a portion of the length along which they are movable so that they can be moved along the ship's length axis relative to the hull to affect the ship's trim.

Abstract: A lift bag for moving an object underwater includes a lift bag body and a buoyancy regulator device within an internal cavity of the lift bag body. The buoyancy regulator device includes concentric regulator tubes. Each regulator tube includes a regulator tube opening and the regulator tube openings may be aligned to define a regulator tube aperture. The regulator tube aperture is in fluid communication with a lift bag slot formed in the lift bag body. A constant buoyancy for the lift bag is determined by adjusting the position of the regulator tube aperture by moving the inner and outer regulator tubes with respect to each other.

Abstract: A life raft may include a base comprising a first side and a second side, and a self-supporting, collapsible spring canopy. The canopy may include a spring wire frame, a first panel circumscribed by the spring wire frame, and a second panel circumscribed by the spring wire frame. A method of manufacturing a life raft arrangement includes folding the canopy, inserting the canopy into a storage pouch, and coupling the storage pouch to a life raft.

Abstract: A watercraft and associated pedal drive system are provided. Method of operating the pedal drive are also provided. The pedal drive system allows for unassisted manual pedaling to provide thrust to the watercraft. The pedal drive system also provides on demand pedal assistance of varying levels via an assist drive train having an electric motor to supplement the manual pedal force input provided by a user at the pedals of pedal drive system.

Abstract: A marine propulsion device is provided. The device includes an engine, a driveshaft that is caused to rotate by the engine, a cowling system, a gearcase that supports a propulsor for imparting a propulsive force in a body of water, and a cooling water circuit that conveys cooling water that exchanges heat with the engine. The cooling water circuit includes an engine dump hose that extends from a first end to a second end. The first end is coupled to a cooling water outlet of the engine. The cooling water circuit further includes an egress component configured to discharge the cooling water from the device at a discharge angle relative to a vertical axis. The egress component extends through one or more components of the cowling system and is coupled to the second end of the engine dump hose.

Abstract: An outboard motor has a top cowl and a service lid on the top cowl is movable into and between a closed position enclosing the powerhead compartment and an open position providing manual access to the powerhead compartment from above the outboard motor. An engine is in the powerhead compartment, wherein a peripheral gap is defined between the top cowl and the engine. A serviceable engine oil device is in the peripheral gap and is manually accessible from above the outboard motor when the service lid is in the open position. A serviceable transmission fluid device is in the peripheral gap and is manually accessible from above the outboard motor when the service lid is in the open position. A serviceable gearcase fluid device is in the peripheral gap and is manually accessible from above the outboard motor when the service lid is in the open position.

Abstract: A stowable propulsion system for a marine vessel. A base is configured to be coupled to the marine vessel. A shaft has a proximal end and a distal end with a length axis defined therebetween, where the shaft is pivotably coupled to the base and pivotable about a transverse axis between a stowed position and a deployed position, and where the distal end is closer to the marine vessel when in the stowed position than in the deployed position. A gearset is engaged between the shaft and the base, where the gearset rotates the shaft about the length axis when the shaft is pivoted between the stowed position and the deployed position. A propulsion device is coupled to the distal end of the shaft. The propulsion device is configured to propel the marine vessel in water when the shaft is in the deployed position.

Abstract: A camera produces image data representing an image of a surrounding view of a watercraft. A controller obtains the image data. The controller recognizes an image representing a specific mark in the image data. With reference to a control data set, the controller obtains watercraft operating information associated with the specific mark recognized in the image data. The control data set defines a relationship between the specific mark and the watercraft operating information.

Abstract: Aircraft stringers having carbon fiber reinforced plastic (CFRP) material reinforced flanges are disclosed. An example stringer to be coupled to a skin of an aircraft comprises a flange. The flange includes a first portion of a first stiffening segment. The flange further includes a first portion of a second stiffening segment coupled to the first portion of the first stiffening segment. The flange further includes a CFRP reinforcement segment coupled to the first portion of the first stiffening segment and to the first portion of the second stiffening segment. The CFRP reinforcement segment strengthens the first portion of the first stiffening segment and the first portion of the second stiffening segment.

Abstract: A decorative laminate is disclosed, including a first laminate layer containing an anti-microbial agent and a second laminate layer. A decorative layer is disposed selectively between the first laminate layer and the second laminate layer. The first and second laminate layers include a thermoplastic fluoropolymer material. The first laminate layer, the decorative layer, and the second laminate layer are laminated together to form the decorative laminate, which is configured for application to a structural component.

Abstract: A door arrangement for an aircraft segment, which door arrangement comprises a passenger door, a fuselage portion accommodating the passenger door, and a girt bar for arming and disarming an emergency slide. The passenger door is movable relative to the fuselage portion between a raised position and a lowered position. The girt bar is connectable by means of a connecting arrangement to the passenger door and/or to the fuselage portion. The connecting arrangement comprises a mechanism which is configured to, during arming of the emergency slide, actuate a locking mechanism of an engagement device fastened to the fuselage portion, such that the girt bar is fixed in a decouplable manner to the engagement device.

Abstract: A drain configured to evacuate leaks of fluid, such as fuel, from a leak collecting system of an aircraft, the drain comprising a rigid tube secured to a plate, the plate being configured to be attached to an external wall of the aircraft, a flexible pipe configured to join the collecting system to the rigid tube, one end of the flexible pipe being received within the rigid tube. The rigid tube comprises a channel, the channel being configured to allow separation of the rigid tube from the plate at the location of the channel.

Abstract: Structural composite airfoils include a primary structural element and a secondary structural element defining the trailing edge of the structural composite airfoil. The primary structural element includes an upper skin panel, a lower skin panel, and a middle C-channel spar that is coupled to the upper skin panel and the lower skin panel. The upper skin panel extends from an upper leading edge end to an upper trailing edge end, and the lower skin panel extends from a lower leading edge end to a lower trailing edge end. The lower leading edge end of the lower skin panel is coupled to the upper leading edge end of the upper skin panel within the leading edge region of the primary structural element.

Abstract: Disclosed here are systems for detachable airframe components including detachable nose cones, propeller assemblies and motors. In some example embodiments, the assemblies include a nose cone with a connection receiver, a motor assembly with a rotatable section, where the rotatable section includes torque arms configured to secure with the nose cone connection receiver, and a propeller assembly, configured to connect to the nose cone.

Abstract: The present invention involves a method for manufacturing a blade (1) for a propeller, which blade (1) has a leading edge (2) and a trailing edge, the method comprising the steps of: forming a conduit in the blade (1), making a plurality of holes (7) through which the conduit (6) communicates with the exterior of the blade (1), and providing a blade blank having an edge part receiving surface (4) extending along at least a major part of the leading edge (2) of the blade (1) to be manufactured, wherein forming a conduit (6) comprises building up an edge part (3) onto the edge part receiving surface (4) by a wire-based additive manufacturing process, wherein the additive manufacturing process is adapted to form the conduit (6) at least partly delimited by the edge part (3) and extending along the leading edge (2) of the blade (1) to be manufactured.

Abstract: A rotorcraft having pusher propeller generated power during autorotations. The rotorcraft has an engine powered mode and an autorotation mode. The rotorcraft includes an engine and a drivetrain configured to receive torque and rotational energy from the engine in the engine powered mode. A main rotor system is coupled to the drivetrain and is rotatable to generate lift and forward thrust for the rotorcraft in the engine powered mode. A pusher propeller is coupled to the drivetrain and is rotatable to generate forward thrust for the rotorcraft in the engine powered mode. In the autorotation mode, the pusher propeller is aerodynamically driven responsive to airflow therethrough and the drivetrain is configured to receive torque and rotational energy from the pusher propeller, thereby providing power to the main rotor system.

Abstract: The present invention is an Electric servo system which controls and automates gate openings based on GPS speed and position data that results in precise and reliable modern variable and constant rate application. The Electric servo system also allows for Mechanical gate linkages to remain intact, resulting in few changes to the aircraft and redundancy of emergency components. A Mechanical input connect/disconnect is used to effortlessly transfer between the automated Electric servo system and the Mechanical gate system.

Abstract: A pressure sensor includes a detection element that detects a change in pressure, and a cover member that accommodates the detection element and that includes a first through hole and a second through hole. Each of the first through hole and the second through hole is provided at a position that does not overlap the detection element in a front view of the respective hole.

Abstract: An aircraft includes a landing gear having a shock strut, an outer sleeve at least partially surrounding the shock strut, and a shrink mechanism coupled to both the outer sleeve and the shock strut, where the shrink mechanism moves the shock strut relative to the outer sleeve. The shrink mechanism includes a shaft rotatably coupled to the outer sleeve, an anchor arm coupled to the shaft, a shrink arm coupled to the shaft, the shrink arm and the anchor arm being coupled to the shaft so as to rotate as a unit with the shaft about a shaft rotation axis, relative to the outer sleeve, at least 180° when the anchor arm is coupled to the structure within the wing of the aircraft, and a shrink link rotatably coupled to the shrink arm, the shrink link being configured to rotatably couple to the shock strut.

Abstract: A heat shield assembly is disclosed. In various embodiments, the heat shield assembly defines a first circumferential side and a second circumferential side and an inboard end and an outboard end and includes a first layer defining a first surface of the heat shield assembly and having a first tab member disposed proximate the inboard end at the first circumferential side and a second tab member disposed proximate the outboard end at the first circumferential side; and a second layer defining a second surface of the heat shield assembly and having one or more first crimped portions extending along the first circumferential side and configured to engage the first tab member and the second tab member.

Abstract: Systems, devices, and methods for stopping the rotation of propellers used in unmanned aerial vehicles (UAV) such as drones are disclosed. The propellers are stopped in response to detecting when beams of light adjacent the propellers are blocked.

Abstract: A ducted fan of an aircraft includes a rotor-side fan and a stator-side duct that surrounds the rotor-side fan radially at the outside and that defines a flow channel for air flowing via the fan. The stator-side duct has an inner wall facing toward the fan, an outer wall averted from the fan, and at least one stiffening strut that runs within the flow channel. The stiffening strut, at one respective end, extends through the duct and protrudes radially relative to the outer wall of the duct. At the respective end of the stiffening strut, a fastening device is formed. The fastening device is configured to mount the ducted fan on a structural component of the aircraft. The fastening device has an insert composed of a fiber-reinforced plastic and laminated into the respective end of the stiffening strut.

Abstract: An apparatus for securing first and second skins to a core in a composite rotor blade includes an elongated member configured to be installed through a passage in the core of the composite rotor blade. The elongated member has a first end configured to be attached to an outer surface of the first skin and a second end configured to be attached to an outer surface of the second skin. The apparatus also includes a first patch configured to adhere the first end to the outer surface of the first skin, and a second patch configured to adhere the second end to the outer surface of the second skin such the elongated member extends from the outer surfaces of the first and second skins through the passage in the core.

Abstract: A flight control handle suitable for being operated by a pilot, the flight control handle including a stick-forming grip carrying an end box that is provided with a hollow shell provided with a top face, at least one control projecting towards an external environment of the top face. The flight control handle has a controllable member suitable for being actuated by a person, the end box including at least one electronic wall incorporating an electronic circuit, the electronic circuit including at least one sensor that co-operates with the controllable member.

Abstract: The disclosure provides a method of controlling the yaw of a fixed-wing UAV, with two traction propellers arranged parallel to each other and providing thrust for the UAV; A plurality of motors configured to drive the two traction propellers, wherein the thrust ratio provided by the two traction propellers is changed to generate asymmetric thrust which controls the active yaw of the UAV. The fixed-wing UAV provided by the disclosure improves the reliability of the thrust system and active yaw.

Abstract: A tandem-tiltrotor apparatus, comprising a right-wing, a pin extending substantially in an inboard-outboard direction of the aircraft, a leadingedge-leaf connected to the hollow-pin providing the leadingedge-leaf 1-degree of rotational freedom around the pin. A tandem-tiltrotor power apparatus, comprising a right-wing, a front-wingleaf, hollow-pin extending substantially in an inboard-outboard direction of the aircraft, a leadingedge-leaf connected to a pin providing the leadingedge-leaf having 1-degree of rotational freedom around the hollow-pin, and a power cable threaded through the hollow-pin. A tandem-tiltrotor link apparatus, comprising a right-wing, a hollow-pin extending substantially in a inboard-outboard direction of the aircraft, a leadingedge-leaf having 1-degree of rotational freedom around the hollow-pin, a frontlink, fixed to the leadingedge-leaf lower surface and a frontlink-hinge fixed to the frontlink.

Abstract: A method of deploying an unmanned aerial vehicle (UAV) operation system may be provided. A method may include estimating an amount of traffic for one or more routes based on a demand of the one or more routes. The method may also include determining a required number of docking stations for each route of the one or more routes based on the estimated amount of traffic for the route, a distance of the route, and a maximum travel distance for a UAV. Further, the method may include installing the required number of docking stations for each route of the one or more routes, wherein each docking station of the required number of docking stations including at least one of a power supply, a wireless charger, a communication module, a control module, and a camera.

Abstract: An unmanned aerial vehicle having a dynamic balance system that comprises a moveable battery support to secure a vehicle battery to the vehicle, the moveable battery support being attached to an actuator that will shift the moveable battery support relative to the vehicle body under the control of an electronic controller during vehicle operations to help maintain the balance and orientation of the vehicle.

Abstract: A multi-segment oblique flying wing aircraft which has three distinct segments including two outer wing segments and a central wing segment. The central segment may be thicker in the vertical direction and adapted to hold pilots and passengers. The outer wing segments may be substantially thinner and may taper as they progress outboard from the wing center. The multi-segment oblique flying wing aircraft be adapted for rotating into a high speed flight configuration, or may be adapted for take-off and cruise at a constant angle. In an extreme flight case, the central wing segment may rotate to a local sweep of ninety degrees.

Abstract: A payload loading system is disclosed. The payload loading system includes a UAV and a loading structure. A retractable tether is coupled to a payload coupling apparatus at a distal end and the UAV at a proximate end. A payload is loaded to the UAV by coupling the payload to the payload coupling apparatus. The loading structure of the payload loading system includes a landing platform and a tether guide. The tether guide is coupled to the landing platform and directs the tether as the UAV approaches and travels across at least a portion of the landing platform such that the payload coupling apparatus arrives at a target location. The payload is loaded to the payload coupling apparatus while the payload coupling apparatus is within the target location.

Abstract: An aircraft interior structure may include a primary monument, an auxiliary monument, and a passenger seating section. The primary monument may include one or more storage compartments and a primary panel configured to actuate between a primary panel stowed position and a primary panel deployed position. The auxiliary monument may be spaced a select distance from the primary monument across a floor area of an aircraft cabin, and may include an auxiliary panel configured to actuate between an auxiliary panel stowed position and an auxiliary panel deployed position. The passenger seating section may include a footwell at least partially within the primary monument and proximate to the one or more storage compartments. The footwell may correspond to an aircraft seat. The aircraft seat may be configured to form a bed surface with at least a portion being within the footwell when the aircraft seat is in a lie-flat position.

Abstract: A passenger service unit, a passenger seating area, and a vehicle having a passenger service unit are provided, wherein the passenger service unit comprises a carrier element that can be extended in a longitudinal direction and a covering. The covering covers at least a section of the carrier element. At least one electrical and/or electronic element is integrated in the covering.

Abstract: A galley cart has a rear wall with an inlet port and an outlet port. A first divider has a first edge, wherein a first distance is defined between the first edge and a front wall. A second divider has a second edge, wherein a second distance is defined between the second edge and the front wall. The second distance is less than the first distance for control of the flow of cooling air.

Abstract: A control system for an aircraft cabin includes a first sensor, a second sensor, and a processor. The first and second sensors are configured to detect communicative gestures of a subject and are oriented to detect the communicative gestures in first and second cabin volumes, respectively. The second cabin volume at least partially overlaps the first cabin volume. The processor is configured to: identify a control volume defined by an overlap between the first and second cabin volumes; define a task envelope as a sub-set of the control volume in which the subject may perform the communicative gestures; disregard communicative gestures outside of the task envelope; compare an identified gesture of the communicative gestures performed inside the task envelope with a plurality of stored gestures; and generate a control task to command cabin devices in response to a match between the identified gesture one of the stored gestures.