Abstract: Provided is a wheel that is easily lockable and unlockable while being securely braked. The cart includes a platform having a wheel and on which freight is loaded, a handle bar including a “?” shaped frame including a left frame, a right frame, and a connecting frame, a wheel locking and unlocking operation part provided on the “?” shaped frame and configured to be pressed and elastically restored, and an operation part configured to operate by an operation of the wheel locking and unlocking operation part, and a folding operation part including a pedal provided at one end of the platform, a pedal connecting part connected to the pedal from a lower surface of the platform, and a folding operation rod supported by the pedal connecting part and configured to vertically move.

Abstract: Example strollers with movable legs rests and related methods are described herein. An example stroller includes a frame, a seat carried by the frame, the seat having a seat bottom and a seat back, and a leg rest rotatably coupled to the seat bottom. The leg rest is rotatable to an upward position in which the leg rest is angled upward from the seat bottom and forms a c-shaped contour with the seat bottom and the seat back to support a car seat.

Abstract: A child stroller includes a frame member and a wheel attachment member including a first end and a second end. A wheel is coupled to the first end, with the second end coupled to the frame member. The stroller further includes a shock absorber having a body, an upper end coupled to the frame member, a lower end coupled to the wheel attachment member, and a spring mechanism disposed within the body. The spring mechanism includes an upper portion exhibiting a first spring constant, and a lower portion exhibiting a second spring constant different from the first spring constant.

Abstract: An apparatus for operating a touch control based steering wheel includes a touch sensor for generating sensor-related information by measuring a surface location and intensity of a steering wheel to sense a gesture, a control unit for performing a corresponding function by analyzing the sensor-related information to generate touch input pattern information, and selecting a predetermined control command depending upon the touch input pattern information, and a feedback circuit for providing a feedback depending upon the control command.

Abstract: There are provided a steering wheel covering member which is capable of disposing a wire in an opening edge of a recessed portion of a rim section main body portion and which is easy to be attached to the rim section main body portion, a steering wheel, and a manufacturing method of a steering wheel. Steering wheel covering member includes sheet-shaped sheet member having dividing portion that is a cut-out portion. Steering wheel covering member includes wire that is held on sheet member excluding non-setting area A along dividing portion. Dividing portion is accommodated in recessed portion such that dividing portion and non-setting area A of wire are disposed inward of an opening edge of recessed portion.

Abstract: A steering wheel for a motor vehicle, with a steering wheel base body and a jacket that comprises at least one strip surrounding the steering wheel base body on the outer circumference. A first free end of the at least one strip is held in position securely in a groove formed in the steering wheel base body. A second free end of the at least one strip is also held in position securely in a groove formed in the base body of the steering wheel. In addition, the invention concerns a process for the production of such a steering wheel.

Abstract: A motor vehicle steering system includes a steering wheel hub which has a longitudinal axis and can be attached coaxially on a rotatably mounted steering spindle, and a steering wheel rim which is attached on the steering wheel hub at a radial spacing from the longitudinal axis and extends in a planar manner transversely with respect to the longitudinal axis. The steering wheel rim is mounted on the steering wheel hub in a bearing such that it can be inclined with respect to the longitudinal axis between an operating position and a stowed position about an inclination axis which lies transversely with respect to the longitudinal axis. The steering wheel rim is inclined at a flatter angle with respect to the longitudinal axis in the stowed position than when in the operating position.

Abstract: An adjustable steering column for a vehicle includes a casing tube configured to rotatably mount a steering spindle. A guide bracket is connectable to the motor vehicle and includes two side cheeks between which the casing tube is arranged. An electromechanical fixing device is provided, in a release position of which the casing tube adjustable relative to the guide bracket, and in the fixing position of which the position of the casing tube is fixed. The fixing device includes a clamping bolt extending through the side cheeks and which, during the opening and closing of the fixing device, is rotatable about its axis via an electric motor, and a stroke-generating mechanism and a support bearing. The side cheeks and the casing tube are arranged between the stroke-generating mechanism and the support bearing and the electric motor acts via a pivotably mounted lever on the clamping bolt.

Abstract: A stow release assembly for a manually translatable steering column assembly includes an upper jacket. The stow release assembly also includes a lower jacket, the upper jacket translatable relative to the lower jacket, the upper jacket translatable between a retracted range and a stowed range. The stow release assembly further includes an electromechanical blocking element coupled to a stationary component of the steering column assembly and moveable between an extended position and a retracted position, the electromechanical blocking element selectively preventing translation of the upper jacket at a plurality of translation positions.

Abstract: An ECU, which is a signal control apparatus, has a plurality of control units, which control one same motor. Steering angle calculation units acquire sensor signals from the angle sensors provided corresponding to the steering angle calculation units, respectively, and calculate the steering angles in correspondence to the sensor signals. The angle FB units perform the angle FB control based on the angle differences, which are between the target angle and the steering angle and between the target angle and the steering angle, respectively. In the angular FB unit of at least one of the control units, the angular feedback control is performed using the angle difference, which is subjected to the correction processing to reduce the error between the detection angle of the own system and the detection angle of the other system calculated by the steering angle calculation unit of the other control unit.

Abstract: The present embodiments relate to a steer-by-wire-type steering apparatus. The present embodiments may provide a steer-by-wire-type steering apparatus including: a locking member coupled to a shaft of a reaction motor and having locking teeth formed on an outer circumferential surface thereof; a pair of rotation-preventing members pivotally coupled by hinge axes at one ends thereof and having locking protrusions, which are supported by the locking teeth, formed at the opposite ends thereof; a cam rotatably coupled to a shaft of a driving motor so as to pivot the rotation-preventing members and having one side provided with one of a fixing recess and a fixing member inserted into the fixing recess; and a cam holder having one side, which faces the one side of the cam, provided with the other of the fixing recess and the fixing member.

Abstract: A rack axial force is estimated depending on a steering torque detected by a torque sensor and a motor actual current passed through an assist motor, a standard steering torque of the steering is calculated based on the estimated rack axial force, and the motor actual current is feedback-controlled by a FB control section in such a manner that the steering torque of the steering will be the standard steering torque.

Abstract: Two sets of independent armature windings and two sets of control units are provided; a single power-source connector branches into at least four lines in the vicinity of a power-source terminal; a power source relay, a filter, and an inverter circuit are connected, in that order, with a line where a large current flows; a control circuit unit is connected with a line where a small current flows and a detection circuit for detecting an abnormality in the control circuit unit is provided in that line.

Abstract: Ride-on outdoor power equipment includes one or more batteries, one or more electric traction motors electrically connected to the one or more batteries, one or more user input devices, a plurality of sensors, and a controller in communication with the one or more batteries, the electric traction motors and the one or more user input devices, the controller configured to control the electric traction motors to operate the ride-on outdoor power equipment based on inputs received via the user input devices.

Abstract: Provided is an electric power steering device including: a front-wheel steering mechanism, which is provided to front wheels of a vehicle, and includes a front-wheel steering motor as a drive source; and a rear-wheel steering mechanism, which is provided to rear wheels of the vehicle, and includes a rear-wheel steering motor as a drive source, wherein the rear-wheel steering motor is configured to be a double-inverter three-phase duplex motor, the double-inverter three-phase duplex motor including two three-phase windings and two inverters each configured to individually drive one of the two three-phase windings. Therefore, the electric power steering device is capable of, even when a failure has occurred in the steering motor of the rear-wheel steering mechanism, maintaining a function of the rear-wheel steering mechanism to secure behavior stability of the vehicle.

Abstract: A chassis component for a motor vehicle has a core module with at least one first load-conducting element, at least one second load-conducting element and at least one load transfer element connecting the at least one first load-conducting element and the at least one second load-conducting element, and an insert molding. A method for producing the chassis component first of all produces the core module by joining the at least one first load-conducting element and the at least one load transfer element and also the at least one load transfer element and the at least one second load-conducting element, and then overmolds the produced core module.

Abstract: A recessed portion is formed at a frame member provided at a rear portion of a vehicle body and having a closed cross section extending in a vehicle longitudinal direction, wherein the recessed portion is configured such that a lower face of the frame member is recessed upwardly and a damper is inserted into and fixed to the recessed portion. Closed cross sections are formed inside the frame member at a position corresponding to the recessed portion. These closed cross sections are configured to branch off from the closed cross section outwardly and inwardly relative to the damper. A reinforcing member is fixed to the frame member and a wheel house inner at the position corresponding to the recessed portion such that a space is formed at a corner portion of these.

Abstract: An arm cover comprises a main part and a front part. These parts are configured such that when the rear suspension takes a standard vehicle-weight position, these parts are respectively inclined rearwardly and downwardly, wherein an angle of inclination of the inclined front part is smaller than that of the inclined main part. When the rear suspension takes the standard vehicle-weight position, a front edge of the front part is located at a higher level than a bottom face portion of a under cover, and when the rear suspension takes a rebound position, the front edge of the front part is located at a position which is higher than a level of the bottom face portion of the under cover and close to a rear end portion of the under cover.

Abstract: A vehicle fender structure for easy storage and transportation comprises a plastic molded body and a positioning element. The body is in an arcuate shape and has a surface. The surface is provided thereon with a plurality of protruding parts that are of different sizes for strengthening the body. The surface has two corresponding sides respectively provided with a lateral wall. Each lateral wall is provided with a plurality of partially broken sections, and two sides of each partially broken section are respectively formed with a positioning part. In this way, when the body is pressed downwardly, the partially broken section is expanded to form a gap, by which the body's height is lowered. The positioning element is used to interconnect the two positioning parts of each partially broken section and enclose the partially broken section of the body when the body's arcuate shape is restored.

Abstract: There is provided a floor undercover including: a flat plate portion that covers a bottom portion of a cabin located at a lower position than a front suspension member; side wall portions that rise in a vehicle upward direction from vehicle width direction outer end portions of the flat plate portion and that extend in a vehicle front and rear direction; and a curved portion that rises from a vehicle front-side edge portion of the flat plate portion toward the front suspension member, that curves from the vehicle width direction to a vehicle rearward direction heading outward in the vehicle width direction, and that is connected to the side wall portions.

Abstract: A recessed portion is formed at a lower face of a frame member provided at a vehicle rear portion and having a closed cross section extending in a vehicle longitudinal direction, where a damper of a rear suspension is inserted into and fixed. A front portion of the frame member is joined to a side sill extending in the vehicle longitudinal direction at a position offset outwardly from the frame member. Branch-shaped closed cross sections branching off from the closed cross section inwardly and outwardly relative to the damper are formed at a recessed-portion corresponding position. A front portion of the frame member located in front of the recessed-portion corresponding position extends in an oblique direction forwardly and outwardly and a front end of the frame member is joined to a rear portion of the side sill.

Abstract: A recessed portion is formed at a frame member provided at a rear portion of a vehicle body and having a closed cross section extending in a vehicle longitudinal direction such that a part of a lower face of the frame member is recessed upwardly, where a damper of a rear suspension is inserted and fixed. A front portion of the frame member is joined to a side sill extending in the vehicle longitudinal direction at a position offset outwardly in a vehicle width direction from the frame member. Branch-shaped closed cross sections branching off from the closed cross section inwardly and outwardly relative to the damper are formed at a position corresponding to the recessed portion of the frame member. A portion of the frame member located at the above-described position is wide outwardly.

Abstract: A recessed portion is formed at a frame member provided at a rear portion of a vehicle body and having a closed cross section extending in a vehicle longitudinal direction such that a part of a lower face of the frame member is recessed upwardly, where a damper of a rear suspension is inserted and fixed. Closed cross sections are formed at a position corresponding to the recessed portion, in a longitudinal direction, of the frame member. The closed cross sections are configured to branch off from the closed cross section inwardly and outwardly in the vehicle width direction relative to the damper. A ridgeline extending in the vehicle longitudinal direction is formed at least at a portion of the frame member which is positioned in front of the recessed portion.

Abstract: A torsion beam type of rear suspension comprising a pair of right-and-left trailing arms and a torsion beam. A floor under cover for airflow straightening is attached to a portion of a vehicle body in front of the rear suspension so as to cover a vehicle-body lower face. A cover-support bracket is laid between a rear portion of a side sill and an inward side, in a vehicle width direction, of an arm pivot of the trail arm. A portion of the floor under cover which is positioned in the vicinity of its rear end is engaged with the cover-support bracket such that a rear end portion of the floor under cover is extended from an inward-side edge of a front portion of a rear wheel house to an inside of the rear wheel house.

Abstract: A vehicle including a vehicle body having a first end and an opposing second end, wherein the first end is configured to face oncoming airflow. An underbody extending between the first and second ends of the vehicle body and the underbody including a first lateral edge, an opposing second lateral edge and a central region defined therebetween. At least one aerodynamic member on the underbody, the at least one aerodynamic member having at least one aerodynamic surface wherein the at least one aerodynamic surface includes at least one curved triangular channel configured to cause airflow to separate over a trip edge of the at least one curved triangular channel to create a low pressure vortex region within the curved triangular channel.

Abstract: A garnish is provided with a protrusion portion which protrudes outwardly, in a vehicle width direction, so as to suppress a side-face airflow flowing below a door maximum-width portion of a side portion of a cabin from going around below a vehicle floor. A plate-shaped tire deflector is provided at a lower end portion of a front edge of a rear wheel house which corresponds to a position, in a vertical direction, of a rear end portion of the protrusion portion, wherein the tire deflector is configured to deflect a side-face airflow flowing above the protrusion portion such that the side-face airflow is turned toward an outward side, in the vehicle width direction, so as not to flow into the rear wheel house and adheres to a tire-wheel outer face.

Abstract: A split chassis system includes a first chassis base portion that is configured to house a first component and a second chassis base portion that is configured to house a second component. The second chassis base portion is positioned adjacent the first chassis base portion such that a first chassis coupling member included on the first chassis base portion is coupled to a second chassis coupling member included on the second chassis base portion. The split chassis system further includes a leveling subsystem that is coupled to the first chassis base portion and the second chassis base portion. The leveling subsystem aligns the first chassis base portion and the second chassis base portion such that the first chassis base portion and the second chassis base portion substantially maintain coplanarity when the first chassis coupling member is coupled to the second chassis coupling member.

Abstract: A multi-terrain transport apparatus, such as a motorized wheelchair, that allows adjustment of the terrain-contacting surface area of a continuous track depending on the terrain encountered by the transport apparatus.

Abstract: Current invention corresponds to a mobility vehicle that draws its properties from a special kind of a track that can change its rigidity. The track can become rigid on its lower part corresponding to a wheel shape with large diameter or become totally flexible as usual track on upper side for practical use. When rigid, the track correspond to circular wheel and thus plays a role of a wheel in contact with the ground. The upper part of the track remains flexible and allows to use space above a the track for practical reasons. More particularly, the invention relates to a mobile system including variable flexibility track and at least two rollers around which the variable flexibility track is wrapped, wherein the rollers are adapted to change the rigidity and the curvature of the track to adapt its shape to different functionalities as being a wheel or having a part of circular wheel with different curvature or being foldable.

Abstract: Provided is a moving body capable of transmitting driving force of a drive unit to a spherical wheel without a separation between the spherical wheel and the drive unit even in the case where the moving body receives impact due to the road surface condition or the like. The moving body (10) is a self-sustained mobile robot. The moving body (10) includes a spherical wheel (21), a drive unit (22) which is in contact with the spherical wheel (21) to give a rotational driving force to the spherical wheel (21), a support (31) which supports the drive unit (22), and a biasing mechanism (41) which is suspended from the support (31) and abuts on the spherical wheel (21) to bias the spherical wheel (21) in a direction toward the support (31).

Abstract: A device for measuring a flange in a creased sheet of metal is provided, along with a method of use thereof. The device includes a block including at least two slots and a body extending from the block in a first direction. The device also includes at least two retractable teeth. Each tooth is mounted in a respective one of the at least two slots. Each tooth is biased toward the first direction and retractable in a second direction opposite the first direction. A foot is mounted to an end of the body and includes a groove configured to receive an edge of the sheet of metal. A free edge of the flange is received in the groove and a creased edge is retained by the teeth. The flange may be measured by inserting a depth gauge through the block to a surface of the sheet of metal.

Abstract: A corner or end module for assembly on a vehicle body comprises a wheel(s), a frame having connection points for removably securing the corner module to the vehicle body, a drive system capable of providing torque to drive the wheel(s), a brake system connected to the wheel(s) capable of braking the wheel(s), a suspension system located between the frame and the wheel(s), a steering system connected to the wheel(s), capable of providing a steering input for the wheel(s), and a communication system capable of communicating from at least one of a drive controller, brake controller, and steering controller of the corner or end module with one of: another corner or end module, a vehicle controller; an autonomous drive controller; another vehicle, infrastructure, and a wireless data server.

Abstract: An aftermarket vehicle turn signal assembly and a method of retrofitting the turn signal assembly to a grille of a vehicle are disclosed. The turn signal assembly enables users to customize their vehicles by repositioning a turn signal from a factory original fender location, for example, to an aftermarket opening formed on the grille. Using special drill templates designed for a specific vehicle, a user can locate a position for a hole, and later drill a hole into the grille of a vehicle. A user can then insert an aftermarket turn signal assembly into the hole, and secure the turn signal assembly to the grill. The user can then remove the factory original turn signal light source from the original fender location, and place the light source within the aftermarket turn signal assembly.

Abstract: A non-backdrivable passive balancing system for a single-axle dynamically balanced robotic device includes a body that includes a distal end and a proximal end, a controller module, and an actuator communicatively coupled to the controller module of the single-axle dynamically balanced robotic device. The actuator receives an engagement signal from the controller module, the engagement signal corresponding to an indication that the dynamically balanced robotic device is stationary, and the actuator causes the linkage to move the body from a disengaged position to an engaged position such that the distal end of the body contacts a ground surface and supports the dynamically balanced robotic device in a substantially upright position.

Abstract: The housing of a lock assembly for securing a wheeled vehicle contains a cable which is wound around a cable reel within the housing. The cable reel rotates around a reel axis and has two ends. The first end of the cable is connected to the cable reel while the second end of the cable has a locking feature. A lock core has a receptacle configured to receive the locking feature at the end of the cable. An axis of the core is substantially parallel to the reel axis.

Abstract: A lightweight and high-elastic vibration absorption assembly for a bike saddle includes a pair of vibration-absorption blocks mounted to a bottom of a saddle. The vibration-absorption blocks are each formed with a central hole extending in a vertical direction between a top surface and a bottom surface thereof. A fastening member is received through a through hole of a support base and a central hole of each of the vibration-absorption blocks to be fixed to an underside positioning hole of the saddle. The vibration-absorption blocks are each formed of a plurality of foamed units that are bonded to each other with a bonding portion therebetween. Each of the foamed units includes a plurality of foaming pores formed therein. The vibration-absorption blocks are permitted to be temporarily deformed when receiving a pressing force acting on the saddle so that the pressing force is absorbed by the vibration-absorption blocks.

Abstract: A bike saddle incorporating a bio-gel structure includes, arranged in a saddle, a foam material layer and a surface layer set on and covering a surface of the foam material layer. A plurality of spaced through holes is formed in the foam material layer. A bio-gel layer is formed on an undersurface of the foam material layer. A plurality of bio-gel blocks are respectively filled in the through holes of the foam material layer. Each of the bio-gel blocks has a top end in contact with an underside of the surface layer and a bottom end integrally connected with the bio-gel layer. The bio-gel layer provides a rider with comfortable riding experience and also achieves an antibacterial effect.

Abstract: A sissy bar bracket extension includes a U-shaped portion having a first leg, a second leg, and a third leg. The first leg is adapted to fit in a sleeve of a sissy bar bracket, the second leg is parallel to the first leg, and the third leg couples one end of the first leg to one end of the second leg. The three legs lie along a common axial plane. The first leg has two spaced-apart holes that are transverse to the common axial plane and that align with two mounting holes in the sleeve of the sissy bar bracket. An open-ended sleeve is rigidly coupled to the third leg and is aligned therewith along the common axial plane. The open-ended sleeve is adapted to receive a leg of a sissy bar.

Abstract: A mobile device mounting system includes two jaws. The first jaw is generally fixed in position to a wheeled vehicle. The second jaw is pivotably connected to the first jaw via a hinge. The second jaw can be positioned into a closed or open position relative to the first jaw. A biasing element is used to move the second jaw towards the closed position. A support element spans the first and second jaws and may be used to support the mobile device when the mobile device is placed in the mounting system.

Abstract: A scooter device that can be propelled by side to side movement of a user is disclosed. The scooter device includes at least a first front wheel, at least a second and a third rearward located wheel, a frame structure through which the first wheel is coupled to the second and third wheels, wherein the second and third rearward located wheels are mounted in a biased direction arrangement and a steering mechanism that has a vertically ascending control member and is coupled to the first wheel such that turning of the steering mechanism achieves a turning of the first wheel, the steering mechanism further coupled to the frame structure such that the steering mechanism may be tilted relative to the frame structure. The frame structure can includes a first foot placement platform extending above the second wheel and a second foot placement platform extending above the third wheel.

Abstract: A self-balancing scooter having a platform that includes a footstep, two wheels, and a gyroscopic stabilizing element that acts on wheel driving motors in such a way as to ensure that the self-balancing scooter is balanced and moves. The self-balancing scooter has a housing which accommodates a battery supplying power to the motors and is closed by a lid, the housing being removably accommodated on the platform of the self-balancing scooter such that the lid forms a footstep of the self-balancing scooter.

Abstract: A cycle includes a foldable frame having a hinge between a fore portion and an aft portion. The frame is movable between folded and unfolded positions. A front fork with a first central axis is pivotably coupled to the fore portion. A handlebar stem with a second central axis is rotatably and slidably coupled to the front fork. The second central axis is non-coaxial with the first central axis. A seat post is slidably coupled to the aft portion. The fore portion has first and second apertures therethrough. When the frame is in the folded position, the handlebar stem may be disposed at least partially within the first aperture to thereby secure the front fork relative to the frame, and the seat post may be disposed at least partially within the second aperture to thereby secure the frame in the folded position.

Abstract: A powered vehicle has a rear frame assembly and a front frame assembly that are pivotally attached to one another, and can be pivoted from a normal fully-extended operating position to a folded position in which the frame assemblies are positioned substantially adjacent to one another, effectively reducing overall vehicle length to about half. One or more latch members lock the front and rear frame assemblies in the fully-extended, normal operating position, and they may be used to lock the frame assemblies in the folded position. The seat support structure may be integrated with the front and rear frame assemblies such that pivoting the frame assemblies toward the folded position collapses the seat support. The steering tiller may also be collapsible toward the front frame assembly. The rear wheels may be mounted on a transaxle that is pivotally mounted on the rear frame assembly. An extendable handle may be provided to assist in the folding operation and to tow the collapsed vehicle on its anti-tip rollers.

Abstract: An adjustable bottom bracket mechanism, comprising: a bottom bracket, an axial connection portion and a mounting portion. The bottom bracket includes at least one shaft through hole and is configured for connection of a seat tube. A lengthwise extension direction of the seat tube is defined as a first direction. The axial connection portion includes at least one axial through hole and axially corresponds to the at least one shaft through hole. The mounting portion is connected to the axial connection portion and adjustably fixedly connected to the bottom bracket in a first position or a second position. When the mounting portion is in either of the first and the second position, axes of the at least one shaft through hole and the at least one axial through hole are located on the first direction.

Abstract: An electric bicycle comprises a removable battery pack (1) for storing electrical energy, and a frame element (5) to which the battery pack (1) is intended to be fixed. The battery pack comprises a housing and a lock arranged in said housing and the frame element (5) comprises a projecting locking element (21), said locking element (21) penetrating into the housing of the battery pack (1) through an entry opening so as to co-operate with said lock with a view to fixing said battery pack (1) to said frame element (5).

Abstract: The present invention relates to a front fork assembly and to a front fork comprising the same. The present invention further relates to a motorcycle that is provided with such a front fork assembly or front fork. According to the invention, the front fork assembly (100; 200; 300; 400; 500; 600) comprises a tuned mass damper (150) that is fixedly attached to the unsprung section (103, 104) of the telescopic unit.

Abstract: A human-powered vehicle control device includes an electronic controller configured to control a motor that assists in propulsion of a human-powered vehicle in accordance with a human driving force input to the human-powered vehicle. The electronic controller is configured to change a ratio of a power of the motor to a power of the human driving force and control the motor so that a change amount of the travel resistance differs from a change amount of the power of the motor upon determining a travel resistance of the human-powered vehicle has changed.

Abstract: A human-powered vehicle control device includes an electronic controller configured to control a human-powered vehicle component included in a human-powered vehicle in accordance with a human driving force. The electronic controller controls the human-powered vehicle component in accordance with a first value and a second value. The first value relates to the human driving force or a driving force of the human-powered vehicle obtained using a first sensor. The second value relates to the human driving force or the driving force of the human-powered vehicle obtained using a second sensor, which differs from the first sensor.

Abstract: A human-powered vehicle control device includes an electronic controller that controls a motor, which assists in propulsion of a human-powered vehicle in accordance with a human driving force inputted to the human-powered vehicle. The electronic controller is configured to change a response speed of the motor with respect to a change in the human driving force in accordance with a parameter. The parameter includes at least one of a travel resistance of the human-powered vehicle, a torque of the human driving force, a transmission ratio of the human-powered vehicle, a wheel size of the human-powered vehicle, an air resistance coefficient, a value related to a front surface projection area of a rider of the human-powered vehicle, a wind velocity, a rolling resistance coefficient, a value related to a weight of a carried load of the human-powered vehicle, and an acceleration of the human-power vehicle.

Abstract: A friction drive system for a bicycle, which enables a bicycle to be converted into an electrically assisted bicycle, includes a driving system including a friction roller in driven engagement with a motor of the driving system. The friction roller defines a wheel engaging surface configured for engaging a wheel of the bicycle via friction between the wheel engaging surface and the wheel. A controller is operatively connected to a traction control system, for controlling a torque exerted by the friction roller on the wheel, and/or to an adjustable pressure system, for moving the wheel engaging surface and varying a contact force exerted between the friction roller and the wheel of the bicycle.