Abstract:
The present disclosure discloses a power drive system and a vehicle. The power drive system includes: an engine; multiple input shafts, the engine being arranged to selectively engage with at least one of the multiple input shafts and a gear driving gear being arranged on each input shaft; multiple output shafts, a gear driven gear being arranged on each output shaft and; a reverse gear shaft, a first reverse gear shaft gear and a second reverse gear shaft gear being idly mounted on the reverse gear shaft, the first reverse gear shaft gear being meshed with one gear driving gear and each of the first reverse gear shaft gear and the second reverse gear shaft gear being arranged to engage with the reverse gear shaft; a reverse gear output gear, the reverse gear output gear being fixedly arranged on the output shaft and the reverse gear output gear being meshed with the second reverse gear shaft gear; and a first motor generator, the first motor generator being arranged to be linked with the reverse gear shaft.
Abstract:
The present invention discloses a power-driven system and a vehicle. The power-driven system includes: a power coupling device, where the power coupling device includes a first sun gear, a first planet carrier, a first ring gear, a second sun gear, a second planet carrier, a second ring gear, and a power transmission part, the power transmission part being coaxially linked to the first sun gear and the second sun gear; a power source, where the power source is configured to selectively connect to the power transmission part; a first motor generator and a second motor generator, where the first motor generator is linked to the first ring gear, and the second motor generator is linked to the second ring gear; and a first braking device directly or indirectly braking the power transmission part.
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:
An auxiliary steering system (100) and method for an electric vehicle and the electric vehicle are disclosed. The system includes a detection component (6A) including a first electric motor (4) and a detection controller (6) configured to determine whether a steering assist device (2) is normal, to continue to determine whether the steering assist device (2) is normal if yes, and to control a drive rack (5A) of the first electric motor (4) to drive wheels (17) of the electric vehicle to return and to output a steering failure signal, a steering wheel torque signal and a direction signal if no; an electric motor controller (8); a second electric motor (14); and a vehicle controller (7). The electric motor controller (8) is further configured to control the second electric motor (14) to increase a drive torque for an outer front wheel (17), to brake an inner rear wheel (17), and to stop driving an inner front wheel (17) and an outer rear wheel (17).
Abstract:
The present disclosure provides a hybrid electric vehicle, a drive control method and a drive control device of a hybrid electric vehicle. The drive control method includes: obtaining a current gear position of the hybrid electric vehicle and a current electric charge level of a power battery; obtaining a slope of a road on which the hybrid electric vehicle is driving, if the current gear position of the hybrid electric vehicle and the current electric charge level of the power battery meet a preset requirement; and causing a working state of an engine and/or a motor of the hybrid electric vehicle according to the slope of the road on which the hybrid electric vehicle is driving.
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:
A hybrid power-driven system and a vehicle are provided. The hybrid power-driven system includes an engine, a transmission, and a motor power apparatus. The transmission includes a transmission mechanism and a main reducer. The motor power apparatus includes a motor and a power distribution mechanism. The power distribution mechanism includes a power distribution shaft, a mode selection apparatus, a first transmission apparatus, and a second transmission apparatus. The power distribution shaft is disposed independently from the transmission mechanism, and the power distribution shaft is disposed independently from the motor. A motor driven gear configured to receive power of the motor is disposed on the power distribution shaft.
Abstract:
A hybrid power-driven system and a vehicle are provided. The hybrid power-driven system includes an engine, a transmission, and a motor power apparatus. The transmission includes a transmission mechanism and a main reducer. The motor power apparatus includes a motor and a power distribution mechanism. The power distribution mechanism includes a power distribution shaft, a mode selection apparatus, a first transmission apparatus, and a second transmission apparatus. The power distribution shaft is disposed independently from the transmission mechanism, and the power distribution shaft is disposed independently from the motor. A motor driven gear configured to receive power of the motor is disposed on the power distribution shaft.