Byd Company Limited

Ou Ruan

Wei Dong Chen

Zhen Zhai

Youbin Xu

Jinlong Wang

Shibin Xie

Hao Chen

Fei Wu

Ping Zhao

Hua Cheng

Qiang Tian

A transmission unit includes: input shafts; output shafts; an output unit fitted over one of the output shafts; output gears fixed on other output shafts; a generator gear fixed on one of the output shafts; an output unit synchronizer disposed on one of the output shafts and at least configured to engage with the output unit; a motor power shaft gear fixed on a motor power shaft and configured to rotate together with the generator gear. A power transmission system including the transmission unit and a vehicle including the power transmission system are also provided.

Transmission unit, power transmission system and vehicle comprising the same

A transmission unit includes: gear pairs; input shafts; output shafts performing power transmission with the input shafts via the gear pairs; a motor power output gear disposed on one of the output shafts; a motor power shaft; a first motor power shaft gear disposed on the motor power shaft and configured to rotate together with one shift driving gear; a second motor power shaft gear disposed on the motor power shaft and configure to rotate together with the motor power output gear; and an output idler gear fitted over the motor power shaft and configured to rotate together with the motor power shaft via a synchronizer. A power transmission system including the transmission unit and a vehicle including the power transmission system are also provided.

A hybrid electrical vehicle and a method for cruising control of the same are provided. The vehicle includes: a transmission device () connected with wheels () of the hybrid electrical vehicle; an engine () and a gearbox (), the engine () being connected with the transmission device () via the gearbox (); an electric motor () and a gear reducer (), the electric motor () being connected with the transmission device () via the gear reducer (); a power battery () configured to supply power to the electric motor (); and a control module configured to start the engine () and the electric motor () according to a working mode selected by a user from a plurality of working modes, and to control the vehicle to switch between the plurality of working modes according to a driving state of the vehicle and/or a working state of the power battery.

Hybrid electrical vehicle and method for cruising control of the same

A control system of a hybrid electrical vehicle and a control method for a hybrid electrical vehicle are provided. The control system of the hybrid electric vehicle includes: a transmission device connected with wheels of the hybrid electrical vehicle; an engine power subsystem connected with the transmission device; a motor power subsystem connected with the transmission device; and a control module configured to control the hybrid electrical vehicle to operate in a hybrid electrical-economical mode by controlling the engine power subsystem and the motor power subsystem.

Hybrid electrical vehicle and method for controlling same

A control system of a hybrid electrical vehicle and a control method for a hybrid electrical vehicle are provided. The control system of the hybrid electric vehicle includes: a transmission device connected with wheels of the hybrid electrical vehicle; an engine power subsystem connected with the transmission device; a motor power subsystem connected with the transmission device; and a control module configured to control the hybrid electrical vehicle to work in a hybrid electrical-economical mode by controlling the engine power subsystem and the motor power subsystem, and to control the hybrid electrical vehicle to work in a first manner.

Hybrid electrical vehicle and method for controlling the same

A control system for a hybrid electric vehicle comprises a transmission system configured to drive wheels, an engine power subsystem connected to the transmission system, a motor power subsystem connected to the transmission system and a control module. When vehicle's electrical power is on, the control module is configured to control operating mode of the hybrid electric vehicle through the engine power subsystem and the motor power subsystem. The operating mode comprises HEV-eco mode and HEV-s mode. When the hybrid electric vehicle operates in HEV-eco and the hybrid electric vehicle operates at low power or when the hybrid electric vehicle operates in HEV-s mode and when the vehicle speed is zero, the control module enables the hybrid electric vehicle to operate by idle start-stop strategy.

Control system and control method of hybrid electric vehicle

A control system of a hybrid electrical vehicle includes: a transmission device; an engine power subsystem and a motor power subsystem connected with the transmission device; and a control module configured to control the hybrid electrical vehicle to operate in a hybrid electrical-economical mode by controlling the engine power subsystem and the motor power subsystem, and to control the hybrid electrical vehicle to operate in a first manner if a current slope detected by the hybrid electrical vehicle is less than or equal to a minimum slope and a current electric quantity of a power battery of the motor power subsystem is less than or equal to a first electric quantity threshold, or if the current slope is less than or equal to the minimum slope and a maximum allowable discharge power of the power battery is less than or equal to a first power threshold.

Control system of hybrid electrical vehicle and control method for the same

A sliding feedback control system of a vehicle is provided. The system includes: an electric motor; a power battery; a battery manager connected with the power battery, and configured to obtain a maximum charging power of the power battery; and a motor controller connected with the electric motor, and configured to obtain maximum feedback torque values of the motor controller and the electric motor, to convert the maximum charging power of the power battery into a maximum feedback torque value of the power battery, to determine a minimum of the maximum feedback torque values as a first feedback torque value, to obtain a second feedback torque value, and to determine a final feedback torque value of the electric motor as a minimum of the first and second feedback torque values, such that the electric motor controls the vehicle to perform the sliding feedback operation according to the final feedback torque value.

Vehicle and sliding feedback control system of vehicle and method for the same

A hybrid electrical vehicle and a method for controlling a hybrid electrical vehicle are provided. The vehicle includes: a transmission device () connected with wheels (and) of the hybrid electrical vehicle; an engine () and a gearbox (), wherein the engine () is connected with the transmission device () via the gearbox (); an electric motor () and a gear reducer (), wherein the electric motor () is connected with the transmission device () via the gear reducer (); a power battery () configured to supply power to the electric motor (); and a control module configured to start the engine () and the electric motor () according to a working mode selected by a user from a plurality of working modes, and to control the vehicle to switch between the plurality of working modes according to a driving state of the vehicle and/or a working state of the power battery.

A hybrid power driving system includes an engine including a crankshaft; and a dual clutch transmission system coupled to the crankshaft. The dual clutch transmission system includes a first clutch, a second clutch, and a transmission. Both the first and second clutches are connected with the crankshaft. The transmission includes a first input shaft connected with the first clutch, a second input shaft connected with the second clutch, shifting gear sets, where each shifting gear set includes at least a stationary gear and a free gear; and an output shaft having one end coupled with a differential. The other end of the output shaft is connected with a driving electric motor. The driving electric motor drives the output shaft directly.

Growing community of inventors

Shenzhen, China

Ou Ruan