Abstract:
A transmission unit includes: input shafts, each of the input shafts being provided with a shift driving gear thereon; output shafts, each of the output shafts being provided with a shift driven gear configured to mesh with a corresponding shift driving; a motor power shaft configured to rotate together with one of the output shafts; and an output unit configured to rotate with one of the output shafts at different speeds and configured to selectively engage with one of the output shafts so as to rotate together with one of the output shafts. A power transmission system including the transmission unit and a vehicle including the power transmission system are also provided.
Abstract:
The present disclosure discloses a vehicle and a braking feedback control method for the same. The braking feedback control method includes the following steps: detecting the current speed of a vehicle and the depth of a braking pedal of the vehicle; when the current speed of the vehicle is greater than a preset speed, the depth of the braking pedal is greater than 0, and an anti-lock braking system of the vehicle is in a non-working state, controlling the vehicle to enter a braking feedback control mode, where when the vehicle is in the braking feedback control mode, a required braking torque corresponding to the vehicle is obtained according to the depth of the braking pedal, and a braking torque of a first motor generator, a braking torque of a second motor generator, and a braking torque of basic braking performed on the vehicle are distributed according to the required braking torque.
Abstract:
The present invention discloses a locking device, a power assembly, a power transmission system and a vehicle. The locking device includes: a first flange and a second flange; and first and second flange locking structures, the first and second flange locking structures each being used for selectively locking the first flange and the second flange to be adapted to rotate the second flange synchronously with the first flange or adapted to rotate the first flange synchronously with the second flange; wherein the first and second flange locking structures each include: a synchronizing ring, the synchronizing ring being normally connected to the corresponding flange to be adapted to rotate synchronously with the corresponding flange, and the synchronizing ring being slidable relative to the corresponding flange; and a driving component, the driving component selectively pushing the synchronizing ring to slide from an unlocked position to a locked position in an axial direction of the corresponding flange, wherein when the synchronizing ring is in the locked position, the two synchronizing rings are connected to be adapted to rotate the other flange synchronously with the flange corresponding to the synchronizing ring. The locking device according to embodiments of the present invention can realize the two-way locking function, and is simple in structure.
Abstract:
The invention discloses an active safety control system and method for a vehicle. The system comprises: a plurality of motors arranged on a plurality of wheels; a plurality of brakes arranged on the plurality of wheels; a hydraulic braking device; a pedal detection device, used for detecting pedal signals of the vehicle; a motor state detection device, used for detecting the states of the plurality of motors; a plurality of wheel speed detection devices, arranged on the plurality of wheels, used for detecting speeds of the wheels and generating wheel speed detection signals; a power battery, connected with the plurality of motors respectively; and a control device, used for obtaining braking torques according to the pedal signals and the wheel speed detection signals, determining a corresponding braking mode according to the states of the plurality of motors, and controlling the plurality of brakes, the plurality of motors and the hydraulic braking device according to the braking mode and the braking torques. The system can ensure safety, realize regenerative braking feedback and improve the braking control precision.
Abstract:
A transmission unit includes: input shafts; output shafts configured to transmit with a corresponding input shaft via gears; a reverse output gear fitted over one output shaft; a reverse synchronizer; a reverse shaft configured to rotate together with a input shaft and a reverse output gear; a motor power shaft; a first and a second motor gears fitted over the motor power shaft; the second motor gear configured to rotate together with a shift driven gear; and a motor synchronizer. A power transmission system including the transmission unit and a vehicle including the power transmission system are also provided.
Abstract:
A power transmission system for a vehicle includes: an engine; input shafts, at least one of which configured to selectively engage with the engine, each of the input shafts being provided with a shift driving gear thereon; output shafts, each of the output shafts being provided with a shift driven gear configured to mesh with a corresponding shift driving gear; a motor power shaft configured to rotate together with one of the output shafts; and a first motor generator configured to rotate together with the motor power shaft, wherein when the motor power shaft is rotated together with one of the output shafts, the first motor generator is configured to generate electric power utilizing at least parts of power generated by the engine while the vehicle in a running state or a parking state. A vehicle including the power transmission system is also provided.
Abstract:
The present invention discloses an electric vehicle, an active safety control system of an electric vehicle, and a control method of the active safety control system of an electric vehicle. The electric vehicle includes: multiple wheels, multiple motors respectively corresponding to the multiple wheels, a wheel speed detection module that generates a wheel speed signal, a steering wheel rotation angle sensor that detects direction information of the electric vehicle, a yaw rate sensor that detects yaw information of the electric vehicle, and a battery pack. The active safety control system includes: an acquisition module, acquiring the wheel speed signal, the direction information of the electric vehicle, the yaw information of the electric vehicle, status information of the battery pack, and status information of the multiple motors; a status determining module, determining status of the electric vehicle; and a control module, generating a control instruction and delivering the control instruction to at least one motor, so that when the electric vehicle has a side slip and is about to enter a side slip limit interval, the at least one motor is enabled to perform driving control on at least one corresponding wheel; and when the electric vehicle is in the side slip limit interval, the at least one motor is enabled to perform braking control on the at least one corresponding wheel.
Abstract:
The present disclosure discloses a vehicle and a coasting feedback control method for the same. The coasting feedback control method includes the following steps: detecting the current speed of a vehicle, the depth of a braking pedal of the vehicle, and the depth of a throttle pedal; and when the current speed of the vehicle is greater than a preset speed, both the depth of the braking pedal and the depth of the throttle pedal are 0, and the current gear of the vehicle is gear D, when the vehicle is not in a cruise control mode and an anti-lock braking system of the vehicle is in a non-working state, controlling the vehicle to enter a coasting feedback control mode, where when the vehicle is in the coasting feedback control mode, a coasting feedback torque of a first motor generator and a coasting feedback torque of a second motor generator are distributed according to a selected coasting feedback torque curve of the vehicle.
Abstract:
The present invention discloses a locking device, a power assembly, a power transmission system and a vehicle. The locking device includes: a first flange, the first flange being adapted to be fixed on the first shaft; a second flange, the second flange being adapted to be fixed on the second shaft; a synchronizing ring, the synchronizing ring being normally connected to the first flange to be adapted to rotate synchronously with the first flange, and the synchronizing ring being slidable relative to the first flange; and a driving component, the driving component selectively pushing the synchronizing ring to slide from an unlocked position to a locked position in an axial direction of the first flange. When the synchronizing ring is in the locked position, the synchronizing ring is connected to the second flange be adapted to rotate the second flange synchronously with the first flange. When the synchronizing ring is in the unlocked position, the synchronizing ring is separated from the second flange. The locking device according to embodiments of the present invention can realize the single-way locking function, and is simple in structure.