Abstract: A component transferring system for a vehicle assembly line may include a carriage unit that is operated by an electrical signal to move along a vehicle assembly line, the carriage unit including a cylinder unit that is disposed at both sides of a front side and a rear side to move up and down in accordance with the moving direction, a both side conveyor that is disposed along a moving route of the carriage unit, and a carriage lifting unit that is disposed at an inside of the both side conveyor in at least one area of the vehicle assembly line to move an object loaded on the carriage unit to the both side conveyor.

Abstract: A control pad system for a motorcycle has two forward control pads configured to engage a forward surface of a rider's knees or legs with the rider's feet on foot pegs of the motorcycle, the forward control pads mounted to be stationary with frame elements of the motorcycle, wherein the positions of the forward control pads constrain the rider's legs from forward motion, enabling the rider to exert pressure on the control pads to resist motion relative to the motorcycle induced by instances of deceleration.

Abstract: A height adjustable seatpost assembly is provided with first and second tubes, a ratchet mechanism and a drive source. The first and second tubes are telescopically arranged. The ratchet mechanism includes a ratchet tooth structure and a pawl structure. The pawl structure is engaged with the ratchet tooth structure in a lock position. The pawl structure is movably coupled with respect to the ratchet tooth structure in a movable position such that the first and second tubes are movably arranged relative to each other in at least one axial direction of the first and second tubes. The drive source moves the pawl structure between the lock position and the movable position in response to operation of the drive source. The drive source further axially moves the first and second tubes relative to each other in response to operation of the drive source.

Abstract: A bicycle seat tube assembly includes an arced component, a bottom bracket positioned below the arced component, and a seat tube including a pivot attachment at a lower end of the seat tube. The arced component includes a lower curved surface with a plurality of holes. The pivot attachment is coupled to the bottom bracket so that the arced component is pivotable relative to the seat tube about the bottom bracket, resulting in multiple seat tube positions between a fully forward position and a fully back position. A locking mechanism is configured to selectively lock the seat tube to the arced component. The locking mechanism includes a lock ring with a plurality of lock pins and a spring that pushes the lock ring towards the arced component. The lock ring and the spring surround the seat tube The lock ring is movable between a locked position and an unlocked position.

Abstract: A two-wheel gyroscope-stabilized vehicle includes a stabilizing gyroscope, having a gyroscope frame and a gyroscope rotor rotatably mounted in the frame. The gyroscope frame is free to rotate relative to the vehicle body. The vehicle further comprises a support structure that connects the vehicle body and the vehicle wheels, wherein the supporting structure is adapted to move the wheels independently in relation to each other and to move the wheels in relation to the body independently thereof. The support structure helps to keep the vehicle stable when riding on rough terrain. Balancing of the vehicle is provided by maintaining a right angle between the axis of rotation of the gyroscope rotor and direction of the vehicle movement by means of the control system through changing the difference of rotation velocities of the wheels. Steering of the vehicle is provided by means of applying the roll control force to the body.

Abstract: A steering driving device for a self-balancing two-wheeled vehicle, the device comprising a first driving mechanism for providing a driving force for a steering system of the self-balancing two-wheeled vehicle by utilizing a first driving manner, a second driving mechanism for providing a driving force for the steering system of the self-balancing two-wheeled vehicle by utilizing a second driving manner, an actuating mechanism fixedly connected to a steering shaft, a transforming mechanism for canceling the coupling of the second driving mechanism and the actuating mechanism when the first driving mechanism is coupled to the actuating mechanism. The steering driving device for the self-balancing two-wheeled vehicle is able to conveniently and reliably switch between the two driving manners, and to ensure the small and compact volume of the two-wheeled vehicle, so that the entertainment of the self-balancing two-wheeled vehicle is enhanced, and an operator would have a good driving experience.

Abstract: There are provided: a front frame extending rearward and downward from a head pipe while enlarging a width thereof; and a body frame joined to rear ends of the front frame and supporting a swing arm. The body frame is formed in a manner that right and left body parts joined to the rear ends of the front frame, and bridge parts for upper portions and lower ends of the right and left body parts are integrally molded. Solid structures are provided in the middle of the right and left body parts, a continuous hollow structure formed of the upper portions of the right and left body parts and the upper bridge part and a continuous hollow structure formed of lower portions of the right and left body parts and the lower bridge part are provided at an upper position and a lower position, respectively, with the solid structures sandwiched therebetween. Further, pivot parts being pivot support parts for the swing arm are provided to the solid structures of the body parts.

Abstract: A handgrip device configured to be removably coupled to a bicycle handlebar. The handgrip device may include a first portion that includes an opening with a center axis. The opening may be configured to receive a portion of a handle that includes a center rotational axis such that the center rotational axis is substantially aligned with the center axis of the first portion. The handgrip device may also include a second portion that is coupled to and fixed with respect to the first portion. The second portion may include a proximal end that is coupled to the first portion and a distal end that may extend away from the proximal end. The second portion may also include a first concaved side coupled between the proximal and distal ends. The first concaved side may face a first direction that is substantially perpendicular to the center axis of the first portion.

Abstract: A bicycle operating device mounting assembly is basically provided with a handlebar mounting clamp and an adapter member. The handlebar mounting clamp has a clamp opening that defines a first diameter. The adapter member includes a connecting portion and a projecting portion. The connecting portion is detachably disposed within the clamp opening. The projecting portion projects from the clamp opening. The connecting portion has a second diameter that is smaller than the first diameter. The connecting portion is configured to clamp a handlebar as the handlebar mounting clamp is tightened in a state that the connecting portion is disposed within the clamp opening.

Abstract: A vehicle height adjustment device includes a spring. An adjustor includes an accommodation chamber accommodating a fluid to adjust a length of the spring based on the fluid amount in the accommodation chamber. A storage chamber stores the fluid. A pump includes a cylinder that takes in the fluid in the storage chamber when a distance between a vehicle body and a vehicle wheel increases, and that discharges the fluid when the distance decreases. A passage switch unit switches among a first state in which the fluid discharged from the pump is guided into the accommodation chamber to increase the fluid amount in the accommodation chamber, a second state in which the fluid in the accommodation chamber is guided into the storage chamber to decrease the fluid amount, and a third state in which the fluid amount is maintained. Without electric current supply, the third state is maintained.

Abstract: A pedal and cleat assembly comprises a pedal body having a first end and a second end, a first retainer mounted proximate the first end of the pedal body, and a second retainer mounted proximate the second end of the pedal body. The cleat assembly is configured to be releaseably coupled to the pedal assembly and comprises a cleat body having at least one coupling area, and at least one element shaped to be maintained within or disposed on the coupling area. The at least one coupling area is positioned at a forward or rearward end of the cleat body so that the at least one element can act as a cam surface against the first or second retainer. The at least one element is configured to rotate or articulate when maintained within or disposed on the coupling area to facilitate releasing the cleat assembly from the pedal assembly.

Abstract: A torque sensor for electrically assisting a vehicle with pedals includes a housing, a rotating member, an actuator, and an resistor. The housing defines a receiving chamber and is configured to be coupled to the driving member. The rotating member is rotatably mounted in the receiving chamber and configured to rotate under an external force. The resistor is received in the receiving chamber and the actuator slides along the electrical resistance and compresses a spring as a rider applies force to the pedals. The variable resistor is coupled to a controlling module which governs the assisting power. The disclosure also includes an electric bicycle using the torque sensor.

Abstract: A bicycle rear sprocket assembly comprises a plurality of sprocket members and a supporting member. The plurality of sprocket members have a rotational center axis. The plurality of sprocket members are arranged in an axial direction parallel to the rotational center axis. The plurality of sprocket members each include a sprocket body and a plurality of sprocket teeth. The plurality of sprocket teeth extend radially outwardly from the sprocket body with respect to the rotational center axis. The supporting member is a separate member from the plurality of sprocket members. The supporting member includes a supporting portion and a hub engagement portion. The supporting portion is configured to support the plurality of sprocket members. The sprocket body of each of the plurality of sprocket members is attached to the supporting portion of the supporting member without using a separate metallic fastening member.

Abstract: A continuous, one-piece bicycle frame end includes a forward portion and a rearward portion, wherein the forward portion extends from a chain stay and a seat stay, and wherein the rearward portion extends rearward from the forward portion. The frame end defines an axle receiving opening dimensioned to receive a bicycle wheel axle therein to rotate around a rotational axis. The axle receiving opening is intersected by a horizontal axis of a Cartesian coordinate system, wherein the axle receiving opening forms the origin of the Cartesian coordinate system, and the zero axis of the Cartesian coordinate system is the portion of the horizontal axis forward of the origin. A derailleur-attachment structure is located from approximately 180° to approximately 240° in the Cartesian coordinate system.

Abstract: The present invention relates to a cycle with a single wheel, and a cycle with a single wheel according to the present invention includes: a wheel with a central hub; a roller contacting the inside surface of the hub with a plurality of roller shafts connected to both ends of the hub, the roller shafts being separated from each other with a given interval; a hub cover with the outside connected to the end part of a cycle body; a gear shaft provided with a first multi-stage gear and connected to the hub cover so as to be positioned between the plurality of roller shafts; and a pedal shaft inserted through a hole formed in a given position of the hub cover so as to penetrate the hub, wherein the pedal shaft is mounted with a gear engaging with one end of the first multi-stage gear, and a second multi-stage gear is inserted with one end thereof spaced from the gear to engage with the other end of the first multi-stage gear and the other end thereof engaging with a gear part formed in the inner peripheral surface

Abstract: A boat has at least one portion (3, 4) of the freeboard in the region of the stem of the boat arranged movable from a closed position, in which it seals the space (6) inside the freeboard with respect to the exterior of the boat, and an open position, in which it provides an opening (21) between the exterior of the boat and space so as to enable to pick up objects from the water in which the boat floats through the opening. The freeboard portion is arranged to be displaceable along the floor (11) of the space for moving the freeboard portion from the closed to the open position and then gradually increase the width of the opening (21).

Abstract: A disconnect device, suitable for placement into a mooring line connecting a floating vessel to an anchor, has a pair of rotably connected lever arm members. In a first, closed position, the lever arm members are held closed by a shear pin. Mating slots in each lever arm member capture a mooring line component, such as the pin of a shackle, when the lever arm members are closed. A cylindrical centering device is placed in the mooring line between the disconnect device and the vessel, and bears against the lever arm members. Force applied to the centering device, whether by pulling it into a surface fairlead sheave or similar device, or by a subsea chaser device, forces the lever arm members apart, breaking the shear pin and releasing the device, thus disconnecting the mooring line.

Abstract: A method of engaging an automated breakout assembly includes receiving, by a tow socket having a rotatable sleeve multiple mating connectors, a cable into the tow socket through a slot. The cable comprises a tow ball. Each mating connector is electrically coupled to an electrical conductor. The method includes receiving, by the rotatable sleeve, the randomly-aligned tow ball through an entrance. The method includes rotating a cam configured to rotate the rotatable sleeve to substantially align the mating connectors of the tow socket with connectors of the tow ball such that each electrical conductor electrically coupled to a mating connector couples to a corresponding connector of the tow ball. The method includes transferring a tow loading force between the cable and the tow socket by moving the cable.

Abstract: An apparatus including a body dimensioned to surround a structure capable of experiencing a VIV, the body having a first section and a second section capable of being separated and positioned around the structure. The apparatus further including a blade member extending from the body, the blade member dimensioned to suppress the VIV of the structure when the body is positioned around the structure. A method of suppressing VIV about a structure by positioning a plurality of VIV suppression devices around the structure and wherein the plurality of VIV suppression devices cover less than 70% of a section of the structure.

Abstract: This disclosure discussed a kayak. The kayak may have a shell having a hull and a cockpit. The kayak may also have a console approximately centrally located within the cockpit along a widthwise direction of the kayak. The console may have a bottom wall separate from the hull and at least one side wall extending upwardly from a periphery of the bottom wall to at least partially define a storage compartment. The console may also have a replaceable cover. The replaceable cover may have a plurality of apertures of varied dimensions for organizing equipment at least partially staged within the storage compartment.

Abstract: A fin shaped and sized to connect to a leash so that the leash is securely stored during transport or storage. In an embodiment, a leash may be wrapped about a board and a portion thereof connected to connecting means formed about a fin, not limited to a notch, a hole, or combinations thereof.

Abstract: The personal safety survival device includes a plurality of elongated inflation members that collectively form a triangular enclosure. The triangular enclosure has an opening at distal ends, which enables an end user to climb into the triangular enclosure. The personal safety survival device includes an auto-inflation system that inflates the triangular enclosure when triggered, and is to be used as a life raft that keeps the end user out of water, and safe from drowning. The auto-inflation system includes a CO2 canister in fluid communication with all the elongated inflation members. Each of the elongated inflation members include a manual inflate nozzle. When deflated, the personal safety survival device is able to be rolled up into a relatively small size, and includes a carrying strap as well as a pull cord.

Abstract: Disclosed are methods and systems for tracking a toolstring at subsea depths. One system includes a remote operated vehicle (ROV), a wireless transmitter arranged on the toolstring and configured to transmit one or more wireless signals, a wireless receiver configured to perceive the one or more wireless signals, whereby the ROV is able to locate a position of the toolstring in the oceanic environment.

Abstract: A high density storage facility including a plurality of rows of independently movable carriage racks, each row having a plurality of the independently movable carriage racks. Each carriage rack has a height, a length and a width, and defines a plurality of tiers, each tier defining at least one storage slot, the slots extending substantially the length of the carriage racks and being substantially open and accessible for inserting and removing objects into and from the width ends of the carriage racks. The carriage racks are disposed within the floor area and are independently movable along the floor in a direction consistent with the width of the floor area. Preferably, the carriage racks are arranged in the rows within the floor area with the lengthwise sides of the carriage racks being arranged substantially parallel to the lengthwise sides of the floor area.

Abstract: An underwater mobile inspection apparatus is capable of inspecting a subsea pipeline (inspection object) while cruising. The underwater mobile inspection apparatus includes: a cruising body configured to submerge under water and cruise along the inspection object in such a manner as not to come into contact with the subsea pipeline; a first movable arm provided on the cruising body; an inspection tool unit for use in inspecting the subsea pipeline, the inspection tool unit being provided on the first movable arm; and a controller configured to, when the cruising body cruises along the subsea pipeline in such a manner as not to come into contact with the subsea pipeline, operate the first movable arm to move the inspection tool unit, such that a positional relationship of the inspection tool unit with the subsea pipeline becomes a predetermined target positional relationship.

Abstract: The problem of penetrating through nets and other objects is solved by cutting the object using concentric cutters in which a rotatable cutter having floating teeth rotates concentrically about a stationary cutter having fixed teeth. The object is cut by a severing action caused by the floating teeth of the rotatable cutter sliding against the fixed teeth of the stationary cutter. Embodiments of the invention include a UUV system for penetrating through fishing nets and other objects, concentric cutting assemblies for use in the UUV system and other systems, and a method for penetrating through fishing nets and other objects. A UUV system in accordance with an embodiment of the invention has a concentric cutting assembly at the forward end and a propulsor at the aft end. The concentric cutting assembly integrates seamlessly within the UUV housing and is deployed from the forward end of the UUV, enabling the UUV to quickly and efficiently penetrate through objects blocking its path.

Abstract: The invention relates to remotely operated multi-component search robots for underwater search and rescue operations, and particularly suited for searches under ice.

Abstract: A submersible designed so that a cabin for boarding an operator has a size just enough to accommodate the operator and even such a light weight of the submersible can cause the submersible to submerge. Furthermore, when an operator having a weight smaller than a design maximum operator's weight of the submersible is on board, and therefore the total weight of the submersible is reduced and the buoyancy thereof is increased, the buoyancy of the submersible is adjusted by pouring water having a weight corresponding to a difference between the design maximum operator's weight and the actual weight of the operator into an expansion container, disposed in the cabin, capable of expanding by containing water. In this manner, the net weight of the submersible is prevented from increasing.

Abstract: Wingsail. The wingsail includes a substantially rigid airfoil section having a leading and a trailing edge and a flap is attached to the trailing edge through a torsion fitting having a torsional stiffness along the span of the rigid airfoil section selected to control flap deflection with respect to the rigid airfoil section under aerodynamic loading to control rolling moment of the wingsail.

Abstract: A massive de-powering system for a kite wing used in kite boarding comprises a deflation control line that connects to a valve on the kite wing's leading edge bladder. In the preferred embodiment, disengaging the tether line from the harness causes the deflation control line to tension and to open the valve, thereby deflating the bladder. Tension along the deflation control line may also act to draw in spaced portions of the wing thereby collapsing it and further reducing the power generated by the wing.

Abstract: A device for propelling a vessel through water that includes an elongated handle; a grip at one end of the elongated handle; a paddle-shaped frame at an opposite end of the handle; a pair of blades that are pivotally supported at opposed respective sides of the frame and that have an open position and a normally biased closed position; and a cam supported by the frame and operated from the grip end of the handle. The cam is constructed and arranged to control the position of the blades so that in one position thereof the blades are partially opened allowing the blades to pivot, and in another position thereof the blades are nested against the frame so that the blades are maintained in the closed position.

Abstract: A detachable boat propulsion device (1), comprising a clamp (2) adjustable to the boat; a type T hinge (3) on said clamp, which allows free rotation around a vertical angle (4) and a horizontal angle (5); a platform (6) tied: to a command handle (7), to the transmission (8), to a motor (9), to said type T hinge; wherein said transmission comprises a shaft (81), a shaft holder (82), a flap (83), at least one deflector of foreign objects (84) and a propeller (85); characterized by comprising a flexible elongated element(10), which is tied at one end (101) to said type T hinge and at the other end is hooked to a fixation device (61); wherein said fixation device is tied to said platform (6), and wherein said flexible elongated element limits freedom of rotation, when tensed, in said vertical inclination angle (4).

Abstract: In a control device for outboard motors that controls two outboard motors attached to a boat, according to an operation by an operating lever that is tiltable in all directions from a neutral state, when the operating lever is moved to a different zone, a steering control unit controls shift positions of the two outboard motors and a steering specification according to a zone to which the operating lever is moved first, until a determination unit determines that the operating lever is in the neutral state, thereby enabling steering easily reflecting the intention of a boat operator and improving a steering efficiency even when an operation of moving from zone to zone is performed.

Abstract: An outboard drive device (10) comprising a motor (11) having a crankshaft (16), wherein said outboard drive device (10) further comprises a propeller shaft (12) with a propeller which propeller is below the hull (13) of a boat when said outboard drive device (10) is operated, and a power coupling system for transferring power from the motor (11) to the propeller shaft (12). The motor (11) is an automotive motor or an industrial base engine, wherein the crankshaft (16) is substantially horizontal and substantially parallel to the propeller shaft (12) when said outboard drive device (10) is operated. The power coupling system comprises a power transfer device (17), a transmission (18) and a transmission drive shaft (19). The power transfer device (17) connects the crankshaft (16) with the transmission drive shaft (19) for transferring the output power from the crankshaft (16) to the transmission drive shaft (19).

Abstract: A power assist hydraulic steering system comprises a helm pump hydraulically connected to a first hydraulic actuator. A power assist pump is hydraulically connected to a second hydraulic actuator. The first and second hydraulic actuators are coupled. A flow sensing mechanism is disposed along a hydraulic conduit which hydraulically connects the helm pump to the first hydraulic actuator. The flow sensing mechanism senses when fluid flows from the helm pump to the first hydraulic actuator. A motor actuates the power assist pump when the flow sensing mechanism senses that fluid is flowing from the helm pump to the first hydraulic actuator. In one embodiment the first hydraulic actuator is a servo cylinder and the second hydraulic actuator is a drive cylinder.

Abstract: There are disclosed arrangements for tracking ships and other vessels to provide best estimate of vessel track, which can be used, for example, as part of a vessel compliance process or tool. Coordinate messages from different types of transceivers (AIS, L-band, etc.), located on board a vessel are used. A confidence level may be assigned to each coordinate message dependent on the identity of the indicated transceiver, the indicated geographical position, and other factors. Measures of performance of the transceivers may be generated and used in coordinating transceiver control.

Abstract: Example embodiments may facilitate altitude control by a balloon in a balloon network. An example method involves: (a) operating a balloon in a first mode, wherein the balloon includes an envelope and a fuel cell, (b) while the balloon is operating in the first mode: (i) drawing ambient air from outside the envelope into the envelope through a first opening, (ii) using solar energy to heat the air in the envelope such that a buoyancy of the balloon is increased, and (iii) releasing air from inside the envelope to outside the envelope through a second opening such that the buoyancy of the balloon is decreased; (c) transitioning to operating the balloon in a second mode; and while operating the balloon in the second mode, using a portion of power generated by the fuel cell to heat the air in the envelope such that the buoyancy of the balloon is increased.

Abstract: An aircraft frame includes a first partial aircraft frame configured to be attached to a first aircraft fuselage segment, and a second partial aircraft frame configured to be attached to a second aircraft fuselage segment. The first and second partial aircraft frames include corresponding first and second stringer coupling sections. The first partial aircraft frame and the second partial aircraft frame are configured to be attached to each other via a first web and a second web. The first stringer coupling section is located between the first inner flange and the first outer flange and the second stringer coupling section is located between the second inner flange and the second outer flange. The first stringer coupling section includes a first wall which extends from the first web into the first section of the first partial aircraft frame, and the second stringer coupling section comprises a second wall, which extends from the second web into the second section of the second partial aircraft frame.

Abstract: An airplane flight deck which includes an escape opening closed off by an emergency door and an emergency hatch. The emergency hatch comprises a sheeting and a locking/unlocking mechanism configured to take up a locked state in which the sheeting closes off the escape opening and an unlocked state in which the sheeting frees the escape opening.

Abstract: A deployable floor panel arrangement for an aircraft cabin area comprising a substantially planar floor panel with at least one foldable seat arrangement mounted thereto. The seat arrangement comprises at least one backrest which is configured to be moveable between a stowed position in which it extends at an angle of approximately 0° to 40° to the plane of the floor panel and a deployed position in which it extends at an angle of approximately 80° to 180° to the plane of the floor panel.

Abstract: A profile plate portion is disclosed for use as an outer wall of a flow body including a first profile plate panel that is fluid permeable, a second profile plate panel extending along the first profile plate panel, and a reinforcing device for supporting the first profile plate panel and the second profile plate panel on one another. Fluid can flow through the reinforcing device, and/or fluid of the flow present at the first profile plate panel, which flows through the first profile plate panel, can flow through the reinforcing device in the local profile plate thickness direction from the first profile plate panel to the second profile plate panel and in some regions can flow through to an inside that is situated opposite the flow side. A method is disclosed for manufacturing a profile plate portion and a flow body component with a suction-extraction device for fluid.

Abstract: A system and methods for a self-rotating fluidic traverse actuator are presented. A turbine rotates in response to a fluid flow, and an outer cylinder with a longitudinal slot that ejects the fluid flow. An inner cylinder rotates inside the outer cylinder in response to a rotation of the turbine and at least one helical slot of the inner cylinder ejects the fluid flow into the longitudinal slot.

Abstract: A wing tip device for an aircraft wing may include an upper winglet and a lower element. The upper winglet may extend upwardly from an aircraft wing. The lower element may extend downwardly from the upper winglet and may form a closed loop below the wing. The closed loop may have a hollow interior.

Abstract: A quiet landing gear door and methods are presented. A landing gear door comprises a trailing edge and a leading edge and is operable to deploy to a landing gear door deployed position. A door flap comprises the trailing edge and is hinged to the landing gear door. The door flap deflects toward a landing gear strut to a door flap deployed position in response to deployment of the landing gear door. A leading edge section comprises the leading edge and is coupled to the door flap. The leading edge section deflects toward the landing gear strut to a leading edge deployed position in response to deployment of the landing gear door.

Abstract: A device for coupling an actuator for operating an aircraft undercarriage to an aircraft structure. The device comprises a lever having a first end for hinging to the structure of the aircraft, and a second end to which the actuator is hinged, a pre-loading structure acting on the lever to urge it towards a stable rest position that is occupied by the lever in the absence of any force transiting through the actuator; and an abutment structure defining at least one working position for the lever when the actuator is activated.

Abstract: A compact in-wheel vehicle motor and gearing system designed to meet high power and torque requirements for driving a vehicle on the ground independently of other power sources is provided. The motor and gearing system includes a motor assembly with an outside rotor element mounted for rotation about an inside stator element and a gear assembly with a plurality of gear stages mounted inside the stator and drivingly connected to the motor assembly. The motor assembly and gear assembly are mounted interiorly of the wheel and completely within a space defined by the internal dimensions of the wheel. This motor and gearing system can be effectively installed in an existing aircraft wheel without changes to other components to produce a drive wheel with the torque and power required to move the aircraft independently on the ground.

Abstract: The present disclosure relates to load cell gain compensation, and more particularly, to a system that compensates for the effect of parasitic resistances on the behavior of brakes having load cells. The load cell gain compensation may be in response to an error representing the ratio of an instantaneous current to an expected current. In various embodiments, the gain compensation may enhance brake component performance.

Abstract: Embodiments are directed to a method comprising: providing, by a coil embedded in a structure of a rotor hub composed of a paramagnetic material, power to at least one sensor, and receiving, by the coil, data from the at least one sensor. Embodiments are directed to a system comprising: a coil embedded in a structure of a rotor hub composed of a paramagnetic material, and a plurality of sensors communicatively coupled to the coil and configured to receive power from the coil.

Abstract: A helicopter includes a rotor system having a rotor with an adjustable pitch that is controlled at least in part by a pilot using a collective control and which helicopter generates a Low RPM signal that is indicative of a threshold low rotational speed of the rotor. An actuator arrangement can move the collective control by exerting a force on the collective control such that the pilot is able to overcome the actuator force but which otherwise can move the collective control from a current operational position toward a minimum pitch position. A clutch can co-rotate with a motor to serve in transferring the actuation force to reduce the adjustable pitch and can slip relative to the actuator shaft assembly responsive to an application of a counterforce applied by the pilot to the collective control such that the counterforce overcomes the actuation force.

Abstract: Disclosed is a disc-shaped aircraft with dual spinning discs, comprising an engine, an upper fuselage, a lower fuselage, an upper spinning disc and a lower spinning disc. An upper cover is arranged at the bottom of the upper fuselage, and a lower cover is arranged at the top of the lower fuselage. The upper and lower covers are connected as a whole through an axle tube. A central gear is installed on the axle tube. The lower spinning disc is installed on the central gear and the upper spinning disc is located above the lower spinning disc. The engine is fixed on the lower cover and drive the central gear so that the upper and lower spinning discs are driven to rotate. Helical blades of the upper and lower spinning discs are opposite in rotary direction, angle of attack and installation angle, so that the problem of rotary balance of the fuselage is solved. The disc-shaped type aircraft provided by the invention is simple in structure, light in weight and low in cost, and can save much lifting power.