Abstract: An air-guiding arrangement for a motor vehicle has: a carrier, which is arranged on a body of the motor vehicle, and on which an air guide is provided such that it is driveable by a pneumatic drive with at least one air chamber for actuation, the at least one air chamber being arranged on the carrier such that the air guide is transferrable from a retracted basic position into a deployed maximum position, and at least one pneumatic supply line which, via at least one connector member, pneumatically connects the at least one air chamber to a pneumatics module of the pneumatic drive. The at least one pneumatic supply line is fixed to the carrier by at least one fastener.

Abstract: A security device to safeguard spare tires with a rim is mounted on the underside of a vehicle with a cable attached to a pin on one end and a winch on the other end. The security device includes a flat disc base and a tube with several openings or holes. This device enters through the main spare tire rim opening, the base is supported on one side and the tube crosses it up to exit on the opposite side, thus protecting the cable that holds the tire. The cable and pin are introduced through the rim and they are introduced by the tube in such a way that the pin is inserted in a series of lateral holes in said tube. The cable and tire are adjusted by means of a winch. The cable that holds the tire is covered by the tube of the security device.

Abstract: The present invention relates to a caterpillar track (2), in particular a rubber caterpillar track (2), with a track body (20) and with at least one outer profiling element (22), preferably with a plurality of outer profiling elements (22), which are directed outwardly away from the track body (20). The caterpillar track (2) is characterized in that the outer profiling element (22) has an outwardly directed grouser body (23) and a grouser root (24), which connects the grouser body (23) to the track body (20), wherein the outer profiling element (22) has, at least in some sections, a marking (26, 27, 28) which can make the boundary (25) between the grouser body (23) and the grouser root (24) visually and/or haptically identifiable.

Abstract: A six-legged universal walking robot and main structure thereof. The main structure comprises a head portion and a machine body. A distance measuring camera device is provided within the head portion, and comprises a rotating head and a frontal face distance measuring assembly. The machine body is provided with a turntable, and the rotating head is fixed to the turntable. A driving mechanism and a main control circuit board are mounted within an internal cavity of the machine body, the driving mechanism has a rotating shaft provided with multiple slip rings on an outer peripheral surface thereof When the robot needs to observe the surrounding environment, the driving mechanism can drive the turntable to rotate in a range of 360 degrees, a rotation range of 360 degrees can also be achieved for the distance measuring camera module without moving the body.

Abstract: A tire tread cover for use with a vehicle wheel having a rim, a hub, and an opening between the rim and the hub. In one embodiment, the tire tread cover includes a flexible body and an attachment portion that extends from the body portion. The flexible body has a shape configured to cover a portion of a tire tread. The attachment portion is configured to (a) insert into the opening of the wheel and (b) engage the rim within the opening to hold the flexible body against the portion of the tire tread.

Abstract: A bicycle seat assembly (10) for reducing frictional and pressure discomfort to the buttocks and urogenital region of a cyclist. The seat assembly provides a horizontal pivot assembly (20) for rotation of a bicycle seat (12) about a longitudinal axis of a bicycle to accommodate the movement of the cyclist's legs and hips while pedaling, and a bracket assembly (32) connecting the horizontal pivot assembly to a post (34). The bicycle seat assembly may also provide a vertical pivot assembly (40) operatively coupled between the seat and the horizontal pivot assembly for rotation of the seat about a vertical axis to provide additional relief of frictional and pressure discomfort.

Abstract: A front luggage rack is described, for a motorcycle with a loading-bearing shell (20; 20?), the load-bearing shell having a front shell part and a shell part operatively facing downwards. The luggage rack includes a luggage rack body; and at least one anchoring element associated to the luggage rack body. The at least one anchoring element is configured so as to allow rigidly anchoring the luggage rack body in at least one point of the front shell part. The luggage rack body has two anchoring arms shaped so as to be able to be anchored to the shell part facing downwards; and it further includes third and fourth anchoring elements associated respectively to the first and second anchoring arm, which are configured so as to allow rigidly anchoring the first and second anchoring arm to said shell part facing downwards.

Abstract: An electrical bicycle operating system includes a first switch unit that includes a first switch group configured to be mounted to a bicycle on a first side of a central longitudinal axis of the bicycle, the first switch group including a first switch and a second switch having a first position and a second position in the first switch group. Also included is a second switch unit that includes a second switch group configured to be mounted to the bicycle on an opposite side from the first side, the second switch group including a third switch having a same position as the first position. A control unit is configured to generate a first signal where the first switch unit is actuated, a second signal where the second switch unit is actuated, and a third signal where the first switch unit and the second switch unit are actuated concurrently.

Abstract: An operating device for a human powered vehicle comprises a base member, a first operating member, a piston, and an electric generator. The base member includes a cylinder bore. The first operating member is configured to be movably coupled to the base member between a first rest position and a first operated position. The piston is configured to be movably provided in the cylinder bore and to be pulled in response to a movement of the first operating member from the first rest position toward the first operated position. The electric generator is configured to generate electric power in accordance with a physical change applied to the operating device.

Abstract: The present application is directed to motor driven vehicles. In one embodiment the motor driven vehicle is a trike that utilizes a customized three wheel rear truck assembly to create a completely novel riding experience. The rear truck assembly of the motor driven vehicle may be comprised of a skateboard truck and wheels along with a third center caster wheel on a custom caster assembly that allows the center cater wheel to rotate 360° independently from the outer skateboard wheels. The size parts of the motor driven vehicle may be varied in size, such as the wheels and mounting plates thereof, according to the needs of a rider. The center wheel may comprise a bracket assembly that holds the wheel at a fixed distance that is lower than the outer wheels.

Abstract: In some embodiments, an electric scooter comprises a deck configured to support a rider, front and rear wheels, a handlebar assembly that includes a handlebar, a left handle, and a right handle, a steering column that includes a steering tube and the handlebar assembly, and an electric motor configured to provide mechanical power to at least one of the front and the rear wheels. One or more of the steering column, steering tube, handlebar assembly, handlebar, left handle, right handle, and deck can be configured to be detachable and comprise one or more rechargeable battery packs. In addition, one or more of the steering column, steering tube, handlebar assembly, handlebar, left handle, right handle, and deck can be configured to receive one or more removable rechargeable batteries.

Abstract: A bicycle includes a chainstay protector having an upper surface including a valley, a first peak, and a second peak. The first peak extends upwardly from the valley toward the chain and has a first contact surface positioned to contact the chain a first height above the valley. The second peak extends upwardly from the valley toward the chain and has a second contact surface positioned to contact the chain a second height above the valley. The first contact surface is spaced from the second contact surface by a gap that is at least 5 times the first height. Each of the first and second contact surfaces has a length that is less than the length of the gap and less than two times a pitch of the chain.

Abstract: Example control devices for operating bicycle components are described herein. An example control device includes a housing having an opening to receive a handlebar of the bicycle and a rotating member rotatably coupled to the housing. The rotating member is rotatable about a first axis. The rotating member is configured to rotate between a first position and a second position to change an operating state of a component. The example control device includes a securing mechanism configured to lock the rotating member in the second position. The example control device also includes a release actuator coupled to the housing. The release actuator has an actuating surface to be engaged by a user and moved along a second axis that intersects the first axis. The release actuator is configured to, when actuated, unlock the securing mechanism to enable the rotating member to rotate back to the first position.

Abstract: A footrest assembly for mounting to a vehicle rail. A position of the assembly along the rail is adjustable. A footrest is connected to a rail mount to be pivotable about a footrest pivot axis between an adjustment position allowing adjustment of the assembly along the rail and a locked position. A clamping member, movable by the footrest relative to the rail mount, is in a releasing position when the footrest is in the adjustment position and in a clamping position when the footrest is in the locked position. When the clamping member is in the clamping position and the assembly is mounted to the rail, a portion of the clamping member and a portion of the rail mount are disposed on opposite sides of the rail and the clamping member applies a clamping pressure to the rail. The locked position sets the position of the assembly along the rail.

Abstract: A cycle crank assembly includes a crank spindle and a drivetrain connector configured to translate rotation of the crank spindle into rotation of a wheel. A crank arm includes a pedal interface configured to receive a pedal spindle of a cycle pedal. A slip connection is configured to allow the crank arm to rotate about the crank spindle. A resiliently deformable member is connected to the crank spindle and the crank arm proximate to the pedal interface. The resiliently deformable member translates rotation of the crank arm into rotation of the crank spindle. The resiliently deformable member deforms under load to store pedal energy provided by a rider to the cycle pedal and returns at least a portion of the pedal energy when not under load in a direction of the rotation.

Abstract: Presented herein are adaptive power assist systems for manually-powered vehicles, methods for operating/constructing such systems, and motorized operator-powered vehicles with adaptive power assist systems. A method for regulating a power assist system of a manually powered vehicle includes a vehicle controller determining path plan data that includes a predicted route plan to traverse from a current vehicle location to a desired vehicle destination. A resident wireless communications device receives, from a remote computing node, an assist level power trace for operating the vehicle's tractive motor on the predicted route plan. The vehicle controller receives health level data specific to the vehicle user, determines a power assist delta based on the health level data, and modifies the assist level power trace based on this power assist delta. The vehicle controller transmits command signals to the tractive motor to output a selectively variable torque according to the modified assist level power trace.

Abstract: A bicycle and method and bicycle assembly for a bicycle including a control device and at least one bicycle component whose operating state is variable during operation. An acoustic device with a sound converter is included for outputting information, controlled by the control device, on the operating state of the bicycle component by means of the acoustic device, and/or for capturing noises by means of the acoustic device and converting these to noise signals and utilizing them for controlling.

Abstract: An electric power assist system generates an appropriate level of assist power while an electric assist vehicle is running on a slope and includes an electric motor that generates an assist power to assist human power of a rider of the electric assist vehicle, a controller that controls a magnitude of the assist power to be generated by the electric motor, and an acceleration sensor that outputs an acceleration signal representing an acceleration in a travel direction of the electric assist vehicle. The controller acquires speed information representing a running speed of the electric assist vehicle based on an external signal, detects an inclination angle of a road surface based on the speed information and the acceleration signal, and causes the electric motor to generate an assist power of a magnitude in accordance with the inclination angle.

Abstract: A method of making a bicycle sprocket having a rotational center axis basically includes providing an annular portion and forming a first tooth and a second tooth. The annular portion is made of a base material and has a plurality of teeth. At least one of the teeth is processed to form a first tooth, and at least one other of the teeth is processed to form a second tooth. The first tooth has a first axial chain engaging width that is smaller than a first axial spacing of an outer link of a bicycle chain and larger than a second axial spacing of an inner link that is coupled to an outer link. The second tooth is formed to have a second axial chain engaging width that is smaller than the second axial spacing. The second tooth is formed by deforming the base material.

Abstract: An electromechanical control system for a bicycle has a switch device, the switch device operating a switch between at least three positions. A control communication device transmits signals responsive to operation of the switch. The electromechanical control system includes an operation device configured to respond to signals transmitted by the control communication device. Signals transmitted by the control communication device include commands to listen and commands to operate.

Abstract: The disclosure provides a brake and shift control assembly configured to be mounted on a bicycle head. The brake and shift control assembly includes a brake module and a shift control module. The brake module is mounted on one of the holding parts. The shift control module includes a signal generator, a fixing assembly, a circuit board, a wire, a battery and an antenna. The signal generator is disposed on the brake module. The fixing assembly is disposed on bicycle head. The circuit board is disposed in the fixing assembly and electrically connected to the signal generator via the wire. The battery and the antenna are disposed on the circuit board.

Abstract: A windshield assembly includes a windshield with a starboard side section, a port side section, and a center section between the starboard side section and the port side section. Transition areas of the windshield between the starboard side section and the center section and between the port side section and the center section, respectively, each include a transition radius. A bottom trim member is securable to a deck or frame with a profile including a starboard corner radius and a port corner radius. The bottom trim member supports the windshield and includes a pair of transition members disposed at the transition areas of the windshield. The transition members are configured to adapt the transition areas of the windshield to the deck profile.

Abstract: There is provided a self-restoring motion compensating mooring system for a floating unit. The mooring system includes a plurality of mooring anchors, a plurality of top fairleads attached near the top edges of the floating unit, a plurality of bottom fairleads attached near bottom edges of the floating unit, a stabilizer, a plurality of mooring cables passing through the respective top and bottom fairleads, connected between the plurality of mooring anchors and the stabilizer. Further, in respective equilibrium positions of the floating unit and the stabilizer, the center of gravity of the stabilizer is located directly below the center of gravity of the floating unit.

Abstract: A raft anchoring assembly for anchoring a raft in a swimming pool includes a raft for floating in a swimming pool. A plurality of anchors is included and each of the anchors includes a line is coupled to a suction cup. The suction cup on each of the anchors engages a floor or a wall of a swimming pool to secure the anchors. A plurality of attachments is provided and each of the attachments is coupled to the outer surface of the raft. The line of each of the anchors is releasably coupled to a respective one of the attachments to inhibit the raft from drifting in the pool.

Abstract: The invention relates to a tug controller and a tug for maneuvering a towed vessel, comprising a dynamic positioning system, and a tow equipment comprising a towline connected to the towed vessel, wherein the tow equipment is automatically controlled by the dynamic positioning system based on a plurality of input parameters.

Abstract: A line intended to be submerged in an aquatic environment. The line includes a mooring configured to be placed on the bottom of the aquatic environment and for immobilizing the line relative to the bottom, a buoy configured to float on the surface of the aquatic environment, an object extending along a vertical axis, having a center of balance of hydrodynamic forces when the object is subjected to a horizontal water current and called the hydrodynamic center, and having a center of gravity vertically remote from the hydrodynamic center, a frame connected to the object by a pivoting link with a substantially horizontal axis passing through the hydrodynamic center, at least one fin extending vertically, whereby the object can be oriented relative to a horizontal water current, a first section of line connecting the mooring to the frame, a second section of line connecting the frame to the buoy.

Abstract: A floating platform for an electronic device is provided in order to provide a user the ability to view the display of the electronic device while the platform and electronic device are floating on water. The floating platform provides a stand capable of orienting the electronic device in an orientation suitable for viewing the display of the device while the floating platform and electronic device are situated on the water surface.

Abstract: The invention relates to a device for adjusting the attachment points of a harness line (2) on a boom (1) for a sail-board or the like. It is in particular remarkable in that it includes a carriage (3) that is mounted sliding inside or outside the boom (1) or in an attached part. The harness line (2) passes through the passage orifices of the carriage (6a-6b) in order to form a loop (4), which allows the user to hang by his harness. The carriage (3) can be locked by an appropriate system. This device makes it possible to correct the position of the loop (4) easily during operation of the sail-board in the water by unlocking the carriage, sliding it and locking it in a new position. The length of the loop (4) can be adjusted by shortening or lengthening the harness line (2) with a clam cleat.

Abstract: A marine vessel comprising: at least one buoyant tubular foil; and at least one baffle plate positioned about the perimeter of the at least one buoyant tubular foil so as to protrude into the flow of water passing by the perimeter of the at least one buoyant tubular foil, whereby to create a high-pressure zone fore of the at least one baffle plate and a low-pressure zone immediately aft of the at least one baffle plate, whereby to create a dense stream of supercavitated water immediately aft of the at least one baffle plate.

Abstract: An underwater craft is considerably less likely to be detected by sonar if the underwater craft includes an outer hull as disclosed herein, which outer hull may extend in a longitudinal direction through a stern section, through a midship section, and through a bow section. The outer hull in the midship section may have a polygonal cross section. The outer hull of the midship section may also have curvature along the longitudinal direction throughout the midship section. A ratio of a radius of curvature to a total length of the underwater craft in the longitudinal direction may be between 5 and 1000. Further, a cylindrical pressure vessel may be disposed under the outer hull.

Abstract: The present invention provides an underwater moving vehicle improved in motion performance and capable of stably maintaining its position. [Solution] An underwater moving vehicle comprising: a vehicle body (1) configured to be set in advance in such a manner that weight of the vehicle body (1) becomes larger than buoyant force generated in water; a thruster (32) configured to generate an upward thrust by driving screw propellers (21); a drive adjuster (50) configured to control water depth of the vehicle body (1) to a predetermined position by adjusting drive of the screw propellers (21) and generating the upward thrust equivalent to difference between the weight and the buoyant force; and a water flow deflector (34) configured to move the vehicle body (1) in a horizontal direction by deflecting a downward water flow generated by the screw propellers (21).

Abstract: Implementations of paddles may include at least one paddle blade coupled to a shaft, a sleeve coupled over the shaft, the sleeve including a helical opening, a locator pin coupled to the shaft and extending through the helical opening, and a first handle fixedly coupled to the sleeve. The paddle blade may be configured to rotate from a first position corresponding to the locator pin positioned at a first location in the helical opening to a second position corresponding to the locator pin positioned at a second location in the helical opening.

Abstract: Embodiments are directed to systems and methods for a sliding door in a pressurized aircraft. In one embodiment, an aircraft comprises a fuselage having a door opening, and a door configured to slide into the door opening from within the fuselage, the door held in a closed position in the door opening by excess air pressure within the fuselage during operation of the aircraft.

Abstract: Methods and apparatus to control camber are disclosed. A disclosed example apparatus includes a flap support to be coupled to a flap of an aircraft, where the flap is rotatable relative to an aerodynamic surface, a drive arm linkage rotatably coupled to the flap support at a first pivot of the flap support, where the drive arm linkage includes a second pivot at an end opposite the first end, and a flap support actuator operatively coupled to the flap support, where the flap support actuator is to rotate the drive arm linkage. The example apparatus also includes a camber control actuator rotatably coupled to the flap support at a third pivot of the flap support, where the camber control actuator is to be rotatably coupled to the flap at a fourth pivot.

Abstract: Methods and devices for adjusting a position of a flight control member relative to a base of an aircraft. The devices and methods include a joint that movably connects the flight control surface to the base. An extension member is connected to the flight control surface and extends through the joint. Adjustable linear members of the base are connected to the extension member and configured to adjust the position of the extension member. This adjustment results in re-orienting the flight control member relative to the base to adjust the flight of the aircraft.

Abstract: A method of manufacturing a spar for a propeller blade comprises forming a hollow inner core from a composite material, and then braiding carbon fibres around the inner core to form an outer spar structure. The hollow inner core may be formed using an inflatable bladder and a mould defining an outer shape of the spar. This construction avoids the need for a foam core to be provided within the spar.

Abstract: A brake rod for a steering/braking mechanism includes a rod body having a longitudinal axis, a rod end at a first end of the rod body, the rod end having a bore therethrough having a bore axis arranged generally perpendicular to the rod longitudinal axis, and a rod end shield mounted to the rod and extending in a longitudinal direction axially beyond the rod end.

Abstract: Selector lever systems of aircraft are provided. The selector lever systems include a selector lever configured to control operation of one or more aircraft control surfaces, the selector lever having a handle configured to enable manual operation of the selector lever, a touch sensor arranged on the handle, and a controller arranged in communication with the touch sensor, the controller configured to at least one of generate a notification when a signal is received from the touch sensor and unlock the selector lever from a locked state.

Abstract: A dual rack and pinion rotational inerter, configured to dampen the flutter of a flight control member of an aircraft, includes an inertial wheel and a brake member disposed on an inertial wheel. The brake member moves between a retracted position and a deployed position based on a rotational velocity of the inertial wheel. The brake member moves to the retracted position when the rotational velocity of the inertial wheel is slower than a predetermined threshold velocity to allow the rotation of the inertial wheel. When the rotational velocity of the inertial wheel is at least as fast as the predetermined threshold velocity, however, the brake member deploys to yieldingly resist the rotation of the inertial wheel. In either position, the inertial wheel causes the inerter to dampen the flutter.

Abstract: An actuator assembly for an aircraft includes a support strut operatively coupled to a hinge axis of a flight control member of the aircraft, a hydraulic actuator operatively coupled to the flight control member via a pivot element, and an electro-mechanical actuator (EMA) having first and second opposing ends and a biasing member. The first end is operatively coupled to a support structure of the aircraft, and the second end is operatively coupled to both the support strut and the hydraulic actuator. The biasing member moves between a compressed state and an expanded state in response to a varying biasing load exerted on a surface of the flight control member, thereby reducing an amount of current needed to drive the EMA, as well as a number of high-pressure hydraulic cycles of the hydraulic actuator to control the flight control member.

Abstract: A hydraulic system for an aircraft. The hydraulic system can include a hydraulic actuator that is operatively coupled to a flight control member. Hydraulic fluid is moved through the hydraulic system by an engine driven pump that delivers hydraulic fluid to the actuator at a first pressure, and a boost pump that delivers hydraulic fluid to the actuator at a second pressure that is higher than the first pressure. The hydraulic system is configured such that the hydraulic fluid returning from the actuator to the engine driven pump can be delivered to the boost pump prior to reaching the engine driven pump.

Abstract: The hydraulic system can include a control member that is operatively coupled to a member. The control member can include a hydraulic control member and an integrated inerter. Hydraulic fluid at variable pressures is moved through the hydraulic system by pumps. The hydraulic system can be configured for hydraulic fluid returning from the control member to the first pump to be delivered to the second pump prior to reaching the first pump. A dual-spool valve is positioned between the pumps and the control member to control the flow of the hydraulic fluid. The dual-spool valve is movable to move the hydraulic fluid at variable pressures into and out of first and second chambers of the control member. The dual spool valve can also be configured to operate the control member when a spool is not operational.

Abstract: A method of preparing a drone for takeoff, to a drone, and to a system for preparing the drone for takeoff. According to the invention, such a drone has at least one first control member and at least one second control member that are suitable for being actuated manually by at least one person in charge of preparing the drone for takeoff. Such a drone also includes a navigation light and at least one anticollision light for generating various mutually different light signals in a predetermined switch-on sequence.

Abstract: An aerodynamic device (1, 11), such as for an aircraft, including a frame (2), a skin (6) forming an aerodynamic surface and connected to the frame (2) and a motile portion (4) adapted to be displaced between a first position in which the aerodynamic surface exhibits a first shape, and a second position different from the first position, wherein the mobile portion includes a disturbing structure (3), and in the second position of the motile portion (4), and the aerodynamic surface exhibits a second shape in which the disturbing structure (3) induces a protrusion (14) on the aerodynamic surface.

Abstract: An Unmanned Aerial Vehicle (UAV) according to various embodiments may include: a housing; a motor arranged in an inner space of the housing; a rotor which is rotated by the motor and includes at least one cam structure; and at least one landing member which serves as at least part of the housing and selectively protrudes from the housing depending on interference of the cam structure. An UAV according to various embodiments may include: a housing; at least one rotor blade arranged in an inner space of the housing; and at least one landing member. The at least one landing member may serve as part of the housing in a closed position and protrudes from the housing in an open position such that a load of the UAV can be supported during landing. Other embodiments are also possible.

Abstract: Rotary-winged vehicle systems and devices are disclosed. In one aspect, one or more engine components are mounted within rotor blades of the rotary-winged system. In one embodiment, engines are mounted within the rotor blades, with exhaust ports positioned at the rotor blade tips. In another embodiment, the engine of a rotary-winged vehicle includes a centrifugal compressor co-axially mounted with a spindle of the rotor blades. In one aspect, the compressor of one or more engines is decoupled from the engine turbine and electrically driven. In one aspect, the rotary-winged vehicle may be operated autonomously.

Abstract: A deployable device mountable on a carrier vehicle and configured to collect situation awareness data. The deployable device includes at least one recorder device configured to collect situation awareness data. The deployable device is capable of being ejected from the carrier vehicle and can be configured to operate as a vehicle and/or be towed by the carrier vehicle. The deployable device can continue collection of situation awareness data after being ejected.

Abstract: A temperature control equipment, adapted to control the temperature of a docking station for a UAV, wherein a cover of the docking station includes a first and a second vents. The temperature control equipment includes a first and a second temperature control devices. The first temperature control device includes a first and a second airflow openings, and the second temperature control device includes a third and a fourth airflow openings. The first, second, third, and fourth airflow openings, and the first and second vents form a first airflow path; or the first and second airflow openings, the first vent, and a third vent of the cover form a second airflow path; or the first, second, third, and fourth airflow openings, the first, second, and third vents, a fourth vent of the cover form a third airflow path. A heater is located on the first, second or third airflow path.

Abstract: An unmanned aerial vehicle for mounting a clamp to a line includes a body, a first propeller attached to the body, a second propeller attached to the body, and a third propeller attached to the body. The body is between at least one of the first propeller and the second propeller, the first propeller and the third propeller, or the second propeller and the third propeller. A guide is attached to the body and is configured to support the clamp for mounting to the line by flying the unmanned aerial vehicle toward the line. The guide is configured to support the clamp such that an imaginary clamp line between a first jaw of the clamp and a second jaw of the clamp when the clamp is in an arrested position is non-parallel to a plane intersecting the first propeller, the second propeller, and the third propeller.

Abstract: A control system includes a control device, a plurality of electronic speed controls (ESCs) communicating and sharing status information with each other, and a plurality of motors each coupled to one of the plurality of ESCs. The control device can generate a control signal based on control instructions received by a transceiver. Each of the plurality of ESCs can generate a driving signal based on the control instructions. The plurality of motors can be driven by the driving signal generated by the one of the plurality of ESCs.