Great Wall Motor Company Limited

Wentao Hou

Weifeng Deng

Zhimin Hu

Shujiang Chen

Guixian Guo

Bao Liu

Di Wu

Xiu Liu

Tong Kang

Yinlei Wang

Han Liu

Qing Zhao

Baogang Wang

Zengli Wang

Ce Sun

Jiaxin Sun

Fei Zheng

Xinran Dong

Zhehui Shen

Shuai Zhang

Xiao Chang

Wenchao Ling

Leiguang Tong

A battery energy management method comprises: acquiring, for a vehicle usage circulation, a historical cutoff remaining battery capacity value and a historical maximum power demand; predicting a next cutoff remaining battery capacity value according to the historical cutoff remaining battery capacity value; predicting, according to the maximum historical power demand, a lower limit value of a next remaining battery capacity threshold for switching from a power consumption mode to a power maintaining mode; determining the lager value of the predicted next cutoff remaining battery capacity value and the predicted lower limit value of the next remaining battery capacity threshold as a next remaining battery capacity threshold for switching from the power consumption mode to the power maintaining mode; and sending, to the hybrid vehicle, the determined next remaining battery capacity threshold for switching from the power consumption mode to the power maintaining mode.

Battery energy management method and device for hybrid vehicle, and machine-readable storage medium

A power distribution management method includes receiving accelerator pedal opening information sent by a hybrid vehicle; on the basis of the accelerator pedal opening information, respectively compiling statistics on a first opening change rate when the accelerator pedal opening is in a starting interval and when the accelerator pedal opening is increased and a second opening change rate when the accelerator pedal opening is in an overtaking interval and when the accelerator pedal opening is increased, the starting interval corresponding to a first preset range of the accelerator pedal opening, and the overtaking interval corresponding to a second preset range of the accelerator pedal opening; calculating a driver feature coefficient on the basis of the first opening change rate and the second opening change rate; and sending the driver feature coefficient to the hybrid vehicle.

Power distribution management method and device for hybrid vehicle

An energy coordination control method. The vehicle comprises an engine, a generator, a battery, a charger and an air conditioner. The generator is mechanically connected to the engine, the generator and the charger are both electrically connected to the battery, the battery is electrically connected to the air conditioner, and the generator is electrically connected to the air conditioner. The method comprises: when a charging signal is detected, controlling the charger to charge the battery, and monitoring an air conditioner signal of the air conditioner (S); and if it is determined, according to the air conditioner signal, that the air conditioner has the demand for electricity, controlling the engine to start to drive the generator to supply power to the air conditioner (S). An energy coordination control system, the vehicle, a computer processing device, a computer program and a computer-readable medium are further provided.

Energy coordination control method and system and vehicle

The method includes: when the vehicle satisfies a one-pedal activating condition, controlling the vehicle to enter a one-pedal-function activating mode; when the vehicle enters the one-pedal-function activating mode and satisfies a parking-controlling-function activating condition, acquiring current-vehicle-speed information, road-slope information and a first electric-motor recovering torque; based on the current-vehicle-speed information and the road-slope information, calculating to obtain a parking torque; acquiring a first torque difference between the parking torque and the first electric-motor recovering torque; and performing pressure buildup to the vehicle based on the first torque difference, to control the vehicle to complete a parking operation.

Parking method and apparatus

A method for parking control is provided in the present application, which includes the following steps: determining whether a single-pedal mode is activated; determining whether conditions for deceleration control are met when the single-pedal mode is activated; controlling the new-energy vehicle to decelerate when the conditions for deceleration control are met; determining whether conditions for sending a brake request to a motor controller are met during a process of controlling the new-energy vehicle to decelerate; sending the brake request to the motor controller when the conditions for sending a brake request to the motor controller are met; and sending a parking request to an electronic handbrake when the new-energy vehicle is in the brake mode and the speed of the new-energy vehicle is smaller than the third preset value for a third preset time, enable the new-energy vehicle to enter in a parking mode.

Method and device for parking control, vehicle controller, and new-energy vehicle

A torque control method and apparatus for a vehicle, including: determining whether a torque change request is received, during a process of performing an energy recovery function; determining whether an antilock brake system is in an active state, in case that the torque change request is not received; if so, decreasing an energy recovery torque with a first torque change gradient; determining whether the antilock brake system is transited from the activated state to a non-activated state, during a process of decreasing the energy recovery torque; if so, determining whether it is satisfied that a first current driver demand torque is greater than a first preset value and the antilock brake system is in the non-activated state for longer than a first preset time; and if satisfied, recovering the energy recovery torque to the first current driver demand torque with a second torque change gradient.

Torque control method for vehicle, vehicle controller, and non-transitory machine-readable storage medium

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Hebei, China

Wentao Hou