3492 results about "Treadle" patented technology

The invention relates to a pedal assembly and a vehicle. The pedal assembly comprises a pedal support used for being connected with a chassis of the vehicle; the pedal outer edge is connected with the pedal bracket; the movable pedal is movably mounted on the outer edge of the pedal; the adjusting mechanism is connected with the pedal outer edge and the movable pedal and used for driving the movable pedal to move or rotate relative to the pedal outer edge so as to adjust the posture of the movable pedal. According to the pedal assembly, the adjusting mechanism can drive the movable pedal to move or rotate relative to the outer edge of the pedal so as to adjust the posture of the movable pedal, so that the pedal assembly has the pedal function for people to get on and off a vehicle, and the driving posture of the vehicle can be adjusted by adjusting the posture of the movable pedal; a special posture adjusting device does not need to be additionally and independently arranged, so that the occupied vehicle installation space is effectively reduced, integration of the pedal function and the posture adjusting function is achieved, and the practicability and adaptability of the vehicle in the complex driving environment are improved.

The utility model discloses a flatcar station adjusting auxiliary device, which belongs to the technical field of station auxiliary devices and comprises a pedal plate detachably mounted on a flatcar vehicle-mounted fixed pedal plate and an extending handrail detachably mounted on a flatcar handrail frame. A concave clamping groove used for clamping a horizontal steel plate on the outermost side of a flatcar vehicle-mounted fixed pedal is formed in the bottom face of the pedal, and an L-shaped clamping groove used for clamping a horizontal steel plate on the secondary outer side of the flatcar vehicle-mounted fixed pedal is formed in the front end of the pedal. The extending handrail comprises a supporting rod, a handrail ring arranged on the top of the supporting rod and a connecting assembly which is connected with the supporting rod and used for being detachably connected with the flat car handrail frame. The utility model can effectively solve the problem of potential safety hazard caused by poor standing position of railway shunting personnel at the box step at the front end of the flatcar.

The invention discloses a brake pedal verification method, device and equipment based on a two-way pedal and a storage medium, relates to the technical field of vehicle brake control, and discloses the brake pedal verification method based on the two-way pedal. Comprising the steps that a brake lamp switch signal, an allowable deviation threshold value and a first sensor signal and a second sensor signal of a two-way pedal position sensor are obtained; performing processing according to the first sensor signal and the second sensor signal to obtain a target deviation value, and performing consistency analysis according to the target deviation value and the allowable deviation threshold to obtain a consistency analysis result; performing fault tracing on the consistency analysis result according to the brake lamp switch signal to obtain a fault positioning result; and fault isolation is carried out based on the fault positioning result, so that brake pedal verification based on the two-way pedal is completed. The technical effect of guaranteeing the signal reliability of the two-way pedal position sensor and the function continuity of the braking system is achieved.

An electric vehicle includes a frame, at least one front wheel and at least one rear wheel coupled to the frame, one or more pedals coupled to the frame and configured for a user's engagement via pedaling, and a controller configured to output one or more driving signals in response to the pedaling of the one or more pedals. The electric vehicle also includes a first motor coupled to and configured to drive one of the front and rear wheels, and a first driver coupled with the first motor and configured to adjust the output to the first motor in response to the one or more driving signals.

The invention relates to the technical field of AMT gearbox control, in particular to an AMT gearbox control method, system and equipment in a braking state and a medium, and the method comprises the steps that when a vehicle is in a braking deceleration state, the stepping duration of a brake pedal, the actual vehicle speed, the actual acceleration of the vehicle and the rotating speed of an engine are obtained; whether the braking intention of the driver is emergency braking or stable braking is judged based on the stepping duration of the brake pedal and the actual acceleration of the vehicle; and based on the braking intention, the gear of the AMT gearbox and the separation state of a clutch are controlled till braking is finished. Wherein the current gear is maintained during emergency braking, and a clutch is controlled to be separated according to an engine rotating speed threshold value; during stable braking, after the rotating speed of the engine meets the condition, whether downshift is conducted or not is judged according to the actual vehicle speed, and a clutch is controlled to be separated. The brake intention of a driver can be accurately recognized, differential control is executed, and therefore the brake efficiency is effectively improved, engine flameout is prevented, and the driving smoothness is improved.

A heel backer shaper comprises a case, a last-compressing ironing base, a last rotation mechanism, a shaping wheel, an automatic selector switch, and a footboard. One side of the upper half of the case is not closed. The last rotation mechanism is disposed on the upper half of the case. The last rotation mechanism comprises a cylinder and a rotary table; the rotary table is disposed at the top of the cylinder; the last-compressing ironing base is disposed on the top inner wall of the case and right faces the rotary table. During heel shaping, the heel backer shaper can adjust the operating performances, such as the position of the shaping wheel on a backer, knocking force, ironing temperature and delay time, according to the quality conditions of a shoe so as to acquire optimal shaping effect; during normal working, the heel backer shaper can operate in an automatic manner; an electrothermal plate on the last-compressing ironing base is controlled via a three-compartment closed-loop controlled silicon voltage regulator, temperature control precision is greatly improved, a temperature difference can be controlled within a 10 DEG C range, and the plane of the shaped backer is flat, with clear edge and smooth wrinkle-free surface.

A step device and a vehicle are provided. The step device includes a first step assembly. The first step assembly includes a step body, a stepping-on support member, and a fastener. The step body includes a first connection part. The stepping-on support member is provided on the step body. The stepping-on support member is provided on the first connection part of a second connection part. The position of the stepping-on support member is adjustable along the length direction of the step body. The fastener is detachably connected to the first connection part and the second connection part to secure the stepping-on support member to the step body.

This invention provides a random frequency conversion control method for NVH (Noise, Vibration, and Harshness) of a motor controller in a pure electric vehicle. The method includes: simulating the full throttle pedal condition of the entire vehicle on an electric drive test bench to eliminate tire noise and wind noise interference, thereby obtaining a spectrum diagram of the NVH of the electric drive system at the IGBT base frequency under the full throttle pedal condition; analyzing the spectrum diagram to identify the prominent NVH noise range under the full throttle pedal condition, and using this prominent NVH noise range as the entry condition for random frequency conversion; establishing corresponding random frequency conversion models for different prominent NVH noise ranges based on the base frequency of the IGBT switching frequency, to perform random frequency conversion control on the prominent NVH noise ranges, and using the base frequency of the IGBT switching frequency for control in the non-prominent noise ranges. This invention can reduce the switching frequency noise of the motor controller and improve the NVH performance and safety of electric vehicles.

The present application belongs to the technical field of vehicle mass online estimation, in particular to a vehicle mass online estimation method based on fuzzy logic and weighted least square method, comprising the following steps: 1) obtaining longitudinal acceleration sensor measurement value signal, longitudinal speed signal, engine output torque signal, gear signal, throttle opening signal, brake pedal signal and steering wheel angle signal from vehicle CAN bus; 2) correcting the measurement value of longitudinal acceleration sensor; 3) calculating equivalent driving force and equivalent acceleration; 4) calculating working condition fitness degree by using fuzzy logic algorithm; 5) estimating vehicle mass by using weighted least square method; and 6) suspending and starting vehicle mass estimation. The structure is reasonable, and the accuracy and working condition adaptability of vehicle mass online estimation can be improved during use.

A caster assembly that includes a caster wheel, a lock member, a pedal, and a position sensor. The lock member can engage the caster wheel. Movement of the pedal towards a depressed position can cause engagement of the lock member against the caster wheel to resist or prevent rotation of the caster wheel. Movement of the pedal towards a released position can separate the lock member from the caster wheel to permit rotation of the caster wheel. The position sensor can detect a position of the pedal.

An actuator for a heavy vehicle foundation brake (e.g. disc or drum brake), and a brake assembly, vehicle and method including the actuator. The actuator includes: an (output) pushrod 30, 230a to inte

An electropneumatic ABS brake system is for a utility vehicle. The brake system has: a foot brake valve operable via a brake pedal and including pneumatic output channels, axle service brake circuits connected to the output channels and each having an axle valve unit and ABS valves for actuating wheel service brakes, a control unit for actuating the ABS valves and the axle valve units, and a first pressure sensor connected to one of the two pneumatic output channels and configured to measure the pneumatic control pressure output by the foot brake valve and to output a first pressure signal to the control unit. A second pressure sensor is provided separately from the first sensor and is configured to output a second pressure signal to the control unit, which receives the two pressure signals and actuates the ABS valves and / or the axle valve units as a function of the signals.

The application discloses a fuel injection control method and device, electronic equipment and storage medium. The fuel injection control method comprises the following steps: after the accelerator pedal is stepped on, determining the engine torque demand according to the current working state of the engine and the stepping amount of the accelerator pedal, and determining the required intake air amount and the required fuel amount of the engine according to the engine torque demand; determining the current throttle opening of the engine according to the required intake air amount, and after the current fuel injection pulse width of the fuel injector is determined according to the required fuel amount, controlling the throttle valve to hit the target position corresponding to the current throttle opening, and controlling the fuel injector to open to the current fuel injection pulse width; acquiring the current fuel injection rail pressure, and determining the fuel injection mass flow of the engine by querying the fuel injection mass flow calculation MAP according to the current fuel injection pulse width and the current fuel injection rail pressure; and inputting the fuel injection mass flow into the engine model to output the current air-fuel ratio. The application realizes real-time adjustment of the fuel injection mass flow.

The invention relates to the technical field of automobile accessories, in particular to an automobile pedal motor assembly and an automobile electric pedal system.The automobile pedal motor assembly comprises a rack, a speed reducing mechanism and a motor body, and a containing cavity is formed in one side of the rack; the speed reducing mechanism is mounted in the accommodating cavity; the motor body is connected to the rack and located outside the containing cavity, and a rotating shaft of the motor body extends into the containing cavity so as to drive the speed reducing mechanism in the containing cavity. Compared with the prior art, the accommodating cavity is formed in one side of the rack, the speed reducing mechanism is directly mounted in the accommodating cavity, and the rotating shaft of the motor body extends into the accommodating cavity to drive the speed reducing mechanism, so that the structural form that a speed reducing box and the rack are mutually independent in the conventional design is changed, and the speed reducing mechanism is integrated into the accommodating cavity of the rack; and a rack die does not need to be manufactured again to adapt to reduction gearbox end cover structures of motors with different powers and brands, so that the die development cost can be reduced, and the die development period can be shortened.

The embodiment of the invention relates to the technical field of vehicles, and discloses a torque control method and device, a vehicle and a computer readable storage medium. The method comprises the steps that when an intelligent driving mode is activated and a driver priority control function is started, a function starting instruction is sent to a vehicle control unit, the vehicle control unit is instructed to perform torque output based on the torque required by the driver; determining whether target conditions are met or not, wherein the target conditions include that the difference value between the driver demand torque and the intelligent driving system demand torque is smaller than or equal to a first threshold value, the vehicle accelerator pedal opening degree is smaller than or equal to a second threshold value, and the second difference value between the intelligent driving system demand torque and the vehicle actual torque is smaller than or equal to a preset value; and if the condition is met, a function closing instruction is sent to the vehicle control unit so as to instruct the vehicle control unit to carry out torque output based on the torque required by the intelligent driving system. According to the scheme, the problem that the vehicle slows down and pauses after the intelligent driving mode is activated and the driver priority control function is closed can be solved.

The invention provides a vehicle driving control method and device, equipment, a storage medium and a program product, and relates to the technical field of vehicles. According to the vehicle driving control method, on the basis that a vehicle responds to a current driving parameter obtained based on a current vehicle speed and a current accelerator pedal opening degree, the current driving parameter of the vehicle is corrected in real time by combining health state information of a driver, aging state information of the vehicle and environment state information; the driving control of the vehicle based on multi-model state fusion is realized, the situation that vehicle driving can only mechanically respond to the driving intention based on the opening degree of the accelerator pedal in the related technology is avoided, the personalized driving requirement of a user is met, and the driving safety is improved.

A human-electric hybrid powertrain with a continuously variable transmission achieved with the use of a bevel planetary gearset. Two electric motors are utilized to produce a hybrid powertrain with either a driveshaft, chain, or belt driveline. The electric motors combine to produce an infinitely variable range of gear ratios and power assistance to the operator.

The invention relates to the technical field of vehicle intelligent driving, and provides a vehicle control method, electronic equipment and a vehicle, the opening degree change of an accelerator pedal is monitored, historical environment data of the environment where the vehicle is located is obtained, and predicted temperature difference data is determined according to the historical environment data; the actual accelerator pedal opening degree is obtained, and the initial motor output power is determined according to the actual accelerator pedal opening degree and the predicted temperature difference data; acquiring actual motor output power, and determining a target power correction value according to the predicted temperature difference data, the initial motor output power and the actual motor output power; and the predicted temperature difference data, the initial motor output power and the target power correction value are input into a power determination model obtained through pre-training, target motor output power is obtained through processing of the power determination model, and vehicle driving is controlled based on the target motor output power. The power output parameters are adjusted in real time according to the working condition fluctuation caused by the day and night temperature difference, and the driving smoothness under the extreme climate is remarkably improved.

A movable pedal, an electric pedal apparatus and a pedal system are disclosed. The movable pedal is applied to a vehicle, and includes a pedal body. A first surface is provided on an upper side of the pedal body, and the first surface is configured for being trampled by drivers and passengers. A mounting slot is formed in an approaching side of the pedal body, and a notch of the mounting slot faces the vehicle. A drive device can be connected to the pedal body through the mounting slot in a blind assembly, and the drive device can drive the pedal body to switch between an unfolded state and a retracted state.

The application provides a vehicle control method and device, a storage medium and a vehicle, and belongs to the technical field of vehicles. In the case where the brake energy recovery function of the vehicle is in an activated state, a first available brake energy recovery capability value is input into a first prediction model, so that a second available brake energy recovery capability value at a second time can be predicted. Then, based on the first available brake energy recovery capability value, the second available brake energy recovery capability value and a brake pedal opening degree, a first brake energy recovery torque request value at a first time is determined, and in combination with a first coasting energy recovery torque, a first motor actual execution torque is obtained. Finally, based on the first motor actual execution torque and a second brake energy recovery torque request value at the second time, it is determined whether to disable the brake energy recovery function at the second time, so that the influence of CAN signal delay can be eliminated to a certain extent, and the brake energy recovery function can be prevented from being abnormally disabled.

The utility model provides a device that shields the gap between elevator car sill and floor pedal, its structure includes left elevator door (1), right elevator door (2), car sill (3), floor pedal (4), gap shielding plate (5), moving cam (6), rack (7), rack left end guide rail (8), rack right end guide rail (9), incomplete gear (10), gap shielding plate left end support seat (11), gap shielding plate right end support seat (12), rear end gyro wheel (13), gyro wheel axle (14), front end gyro wheel (15), rack left end limit block (16), rack right end limit block (17). Left elevator door (1) switch when driving moving cam (6) left and right movement, and then drive rack (7) up and down movement, and rack drives incomplete gear (10) rotation, so that elevator door opens and gap shielding plate (5) rotates 90 DEG clockwise and shields the gap, and when elevator door closes, gap shielding plate (5) rotates 90 DEG counterclockwise and resets.

A 3-way solenoid valve, a vehicle brake system including the 3-way solenoid valve, and a controlling method for the same are disclosed. The present disclosure in at least one embodiment provides a brake system for a vehicle, including one or more wheel cylinders configured to apply braking pressure to each of wheels of a vehicle by using hydraulic pressure, one or more of the 3-way solenoid valve configured to increase or decrease the hydraulic pressure supplied to the one or more wheel cylinders, and a braking device configured to supply the hydraulic pressure to the one or more wheel cylinders by using a stepping force applied to a brake pedal or driving of a hydraulic pump.

The invention discloses a pedal motor assembly. The pedal motor assembly comprises a shell; the reduction gearbox body comprises a connecting part, a mounting gear part and a driving part; wherein the machine shell is fixedly connected with the connecting part of the reduction gearbox body, and an O-shaped ring is arranged at the joint of the machine shell and the connecting part for sealing; the armature shaft is arranged in the shell; the transmission part is arranged in the mounting gear part of the reduction gearbox body and used for transmitting power, and the transmission part comprises a second worm; and the first turbine is arranged in the driving part of the reduction gearbox body and is meshed with the second worm. The pedal motor assembly is excellent in sealing and protecting performance and can adapt to a complex automobile environment. The machine shell and the reduction gearbox body are sealed through an O-shaped ring, the end cover is arranged at the end of the driving part for sealing, and dust and liquid can be effectively prevented from invading. The wire harness is protected by a corrugated pipe, and the connector is waterproof, so that the influence of vibration and water vapor on electric signal transmission is avoided.

The invention relates to the technical field of scaffolds, in particular to a hydraulic jacking scaffold moving device which comprises a scaffold body and symmetrically-arranged supporting moving devices, and each supporting moving device comprises a fixing sleeve, an inclined rod, a hydraulic cylinder, a supporting cushion table, a manual valve, a pedal, auxiliary wheels, an oil tank and other components. The oil tank is connected with the hydraulic cylinder through a main oil pipe, the main oil pipe is connected with a manual valve in series, a rotary valve seat of the manual valve is fixedly connected with a pedal and a supporting rod which are perpendicular to each other, and an auxiliary wheel is arranged at the tail end of the supporting rod; an electromagnetic valve is arranged at the front end of the branch oil pipe on the main oil pipe, and an energy storage piston rod is connected with a pedal through a pull rope. During operation, the pedal is treaded to control opening and closing of the manual valve, auxiliary wheel supporting and action of the energy storage oil cylinder in a linkage mode, efficient switching between stable supporting and flexible moving of the scaffold is achieved, external power is not needed, and the scaffold is suitable for multiple construction scenes.

The invention relates to the technical field of new energy automobile braking control, and discloses an electro-hydraulic hybrid electric vehicle braking force coordination control method based on the braking demand change rate, and the method comprises the steps: collecting the opening degree of a brake pedal in real time, and calculating the braking demand torque and the change rate thereof; based on the battery SOC, the braking demand change rate and the vehicle speed, the braking force distribution allowable proportion and the braking torque of the motor / battery power system are determined through a nonlinear mapping module; collecting the pressure state of the hydraulic system and determining the braking torque of the hydraulic system; on the premise that the total braking demand torque is met, the braking torque of a motor / battery power system, a hydraulic system and a mechanical system is distributed in a layered and coordinated mode. The braking intention emergency degree can be dynamically recognized, the braking safety, the response speed and the energy recovery efficiency are considered, and the stability, smoothness and engineering applicability of a braking system are improved.

A manually-powered personal stand-on vehicle having a deck for a rider to stand on, a frame, multiple ground engaging wheels, and a drive mechanism providing power to at least one of the wheels to propel the vehicle. The deck may include a portion connected to the frame by a pivot, thereby providing a pivot axis which enables a pivoting motion of at least a portion of the deck relative to the frame. The drive mechanism is integrated with the deck such that when downward force is applied by the rider onto a portion of the deck which is upwardly angled relative to the frame in a manner which causes the portion of the deck to pivot downwards toward the frame, the drive mechanism is actuated to power at least one of the wheels for forward propulsion.

The present invention provides a connecting rod of a jazz drum pedal, comprising a tube body, an extending rod, a limiting member, and an indicator. The tube body forms an insertion channel along an axial direction, and has a locking hole and an anti-detachment recessed hole for communicating with the insertion channel. The extending rod inserts into the insertion channel along the axial direction, and the limiting member is disposed in the locking hole. The extending rod can be selectively pressed by the limiting member without moving in the insertion channel or released from the limiting member to move freely in the insertion channel. The indicator is inserted into the anti-detachment recessed hole to connect the extending rod, when the extending rod is extended, a portion length of the indicator is kept in the anti-detachment recessed hole, so that an extending length of the extending rod is limited by the indicator within a length from one end to the other end of the anti-detachment recessed hole, and further, the extending rod can be extended within a specific range to prevent the extending rod from detaching from the tube body.

The invention relates to the technical field of automobile driving monitoring, in particular to a fatigue driving monitoring method, a fatigue driving monitoring system and equipment. The fatigue driving monitoring method comprises the steps that real-time foot feature information of a driver and real-time pedal feature information of a driving pedal assembly are collected in real time; according to the real-time foot feature information and the real-time pedal feature information, the relative position relation between the feet of the driver and the driving pedal assembly is judged; and judging whether the driver has a fatigue behavior or not according to the relative position relationship between the feet of the driver and the driving pedal assembly. By directly monitoring the relative position relation between the feet of the driver and the driving pedal, the problems of misinformation and missing detection caused by light and shade of a cabin and facial features of the driver are avoided, the accuracy and environmental adaptability of fatigue monitoring are remarkably improved, and particularly stable and reliable recognition is achieved in a weak light scene.

A pedal emulator for a vehicle, having a rotational axis, a pedal lever that can be rotated about the rotational axis, and a force generation unit for exerting a counterforce on the pedal lever via at least one coupling element of the force generation unit that is mechanically coupled to the pedal lever. The counterforce acting in the opposite direction to an actuation force exerted on the pedal lever. The force generation unit can be designed such that a curve of the counterforce along a pedal path of the pedal lever is in the form of a non-linear curve in a pedal path-counterforce diagram.

The invention provides a vehicle cooperative control system, method, device and equipment and a computer readable medium. The vehicle cooperative control system comprises a steer-by-wire subsystem, a single pedal control subsystem, a sensing subsystem, a cooperative control decision unit and a redundant communication unit. The cooperative control decision-making unit is in data connection with the subsystems through redundant communication units and is configured to execute the following cooperative control: based on real-time steering operation parameters, an inner and outer side driving wheel torque distribution strategy and energy recovery intensity of the single pedal control subsystem are dynamically reconstructed; the inner and outer wheels output differential torques under the steering working condition; during a single-pedal strong deceleration trigger, a compensation torque is calculated according to a vehicle yaw state deviation, and the steer-by-wire subsystem is instructed to apply an additional steering angle offset to a front wheel to generate the compensation torque.