Abstract: A vehicle stability control system includes a signal collection sensor and a vehicle controller (10). The signal collection sensor is configured to collect a vehicle condition information parameter, and the vehicle controller (10) is configured to calculate a control yaw moment according to the vehicle condition information parameter. The control yaw moment is used to cancel a difference between an estimated yaw moment and an actual yaw moment. The vehicle controller (10) is further configured to determine according to the vehicle condition information parameter whether the vehicle (100) is in a stable region or a non-stable region in the case of tire blow-out, and allocate the control yaw moment to four wheels (101) according to a vehicle stability condition, thus implementing vehicle stability control. A vehicle stability control method and a vehicle (100) with the vehicle stability control system are also disclosed.

Abstract: A brake system (100) and a brake method for a four-wheel drive electric vehicle and a four-wheel drive electric vehicle, in the system, according to a brake mode of the electric vehicle, a state of charge of a battery pack (4) and a vehicle speed, a first brake control unit controls a motor (6) to brake a wheel (9) through a motor controller (2) and a second brake control unit controls a brake actuator (12) to brake the wheels (9). The first brake control unit further determines whether a brake torque of the brake actuator (12) on the wheels (9) fails. If yes, the first brake control unit controls the motor (6) to brake the corresponding wheel (9) through the motor controller (2).

Abstract: The present disclosure discloses a power-driven system and a vehicle. The power-driven system includes: a differential; a power output shaft configured to link to a power input end of the differential; multiple input shafts; and a first motor generator. The differential includes a first planet carrier, a second planet carrier, a first planet gear, a second planet gear, a first ring gear, and a second ring gear. The first planet gear and the second planet gear are respectively disposed on the first planet carrier and the second planet carrier, the first planet gear and the second planet gear are respectively mesh with the first ring gear and the second ring gear, and the second planet gear further meshes with the first planet gear. One input shaft of the multiple input shafts is configured to selectively link to the power output shaft, and another input shaft of the multiple input shafts is configured to link to the power output shaft.

Abstract: A method and a system for controlling a vehicle (100) with four-wheel drive are provided. The method includes: acquiring a vehicle condition information parameter by a vehicle condition information collector; obtaining a radius of turning circle to be reduced from a driver by a turning circle receiver (40); obtaining a controlling yaw moment corresponding to the radius of turning circle to be reduced according to the vehicle condition information parameter and the radius of turning circle to be reduced by a turning circle controller (11); and distributing the controlling yaw moment to four wheels (90) of the vehicle (100) according to an intensity level of the radius of turning circle to be reduced and the vehicle condition information parameter by the turning circle controller (11), such that the vehicle (100) turns circle.

Abstract: The present disclosure provides a drive control method, a drive control device of a hybrid electric vehicle and a hybrid electric vehicle. The drive control method includes: obtaining a current gear position of the hybrid electric vehicle, a current electric charge level of a power battery and a slope of a road on which the hybrid electric vehicle is driving; obtaining a current speed of the hybrid electric vehicle if the current gear position of the hybrid vehicle, the current electric charge level of the power battery, and the slope of the road on which the hybrid electric vehicle is driving meet a preset requirement; and causing the hybrid electric vehicle to enter a small load stop mode if the current speed is greater than or equal to a first speed threshold, and less than a second speed threshold.

Abstract: A power transmission system for a vehicle and a vehicle including the same are provided. The power transmission system includes an engine unit to generate power, input shafts to receive power from the engine unit, an output shaft to transfer the power from the input shafts, linked gears rotatable differentially relative to the output shaft to mesh with driving gears on the input shafts, an output unit coupled on the output shaft to transmit the power to the front wheels of the vehicle, a synchronizer disposed on the output shaft to selectively engage with the linked gears, a first motor generator to perform power transmission with at least one of the input shafts and the output shaft, one or more second motor generators to drive two front wheels of the vehicle, and one or more third motor generators to drive two rear wheels of the vehicle.

Abstract: A method for controlling a synchronizer of a vehicle is provided. The vehicle comprises an engine unit, a transmission unit configured to selectively couple with the engine unit and to couple with at least one of a plurality of wheels of the vehicle, a synchronizer configured to adjust a power transmission between the transmission unit and the wheels. The method comprises acquiring an operation mode and operation parameters of the vehicle and controlling the synchronizer to adjust the power transmission between the transmission unit and the wheels based on the operation parameters. A vehicle including a controller configured to control the synchronizer according to the method is also provided. The vehicle further includes a first motor generator configured to adjust a rotating speed of the synchronizer according to a speed of the vehicle, and a second motor generator configured to drive at least one of wheels of the vehicle.

Abstract: A power transmission system for a vehicle includes: an engine; 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 gear; a generator gear fixed on one of the output shafts; a reverse output gear configured to rotate together with or to disengage from a shift driving gear; an output idler gear configured to engage with one of the output shafts so as to rotate together with the output shaft or disengage from the output shaft so as to rotate with the output shaft at different speeds; a motor power shaft configured to rotate together with the generator gear; and a first motor generator configured to rotate together with the motor power shaft. A vehicle including the power transmission system is also provided.

Abstract: A method for starting an engine of a hybrid vehicle is provided. The method includes: detecting a speed of the hybrid vehicle when receiving an instruction to start the engine; and outputting an inertia torque generated by a transmission of the hybrid vehicle to a crankshaft of the engine to start the engine when the speed is larger than or equal to a predetermined speed. Further, a system for starting an engine of a hybrid vehicle and a hybrid vehicle including the system are 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: A power transmission system for a vehicle is provided. The system comprises an engine, a plurality of input shafts, at least one of the input shafts being configured to selectively engage with the engine, each of the input shafts being provided with a shift driving gear thereon, a plurality of 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 input shafts, and a first motor generator configured to rotate together with the motor power shaft. When the motor power shaft rotates together with the one of the input shafts, the first motor generator uses at least a part of power output by the engine to generate electric power when the vehicle is parking or running. A vehicle including the power transmission system is also provided.

Abstract: The present disclosure provides a drive control method and a drive control device of a hybrid electric vehicle. The method includes: obtaining a current gear position of the vehicle, a current electric charge level of a power battery and a slope of a road on which the vehicle is driving; determining whether the vehicle is within a taxiing start-stop interval according to the current gear position, the current electric charge level, and the slope; if the vehicle is within the taxiing start-stop interval, obtaining a current speed of the vehicle; if the current speed is greater than or equal to a first speed threshold, and less than a second speed threshold, causing the vehicle to enter a small load stop mode; and if the current speed is greater than or equal to the second speed threshold, and less than a third speed threshold, causing the vehicle to enter a small load stall mode.

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 and a current operating mode of the hybrid electric vehicle, a current electric charge level of a power battery and a slope of a road on which the hybrid electric vehicle is driving; determining whether the hybrid electric vehicle is within a taxiing start-stop interval according to the current gear position of the hybrid electric vehicle, the current electric charge level of the power battery, and the slope of the road; if the hybrid electric vehicle is within the taxiing start-stop interval, obtaining a current speed of the hybrid electric vehicle; and causing the hybrid electric vehicle to enter a small load stop mode or a small load stall mode according to the current speed.

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 an accelerator 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 accelerator 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 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: 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; determining whether the vehicle is within a speed start-stop interval according to the current gear position of the hybrid electric vehicle and the current electric charge level of the power battery; obtaining a slope of a road on which the vehicle is driving and a current speed of the hybrid electric vehicle, if the vehicle is within a speed start-stop interval; and controlling 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 vehicle is driving and the current speed of the vehicle.