Hybrid electrical vehicle (HEV)/electrical vehicle (EV) regeneration brake pressure coordinate control system based on antilock brake system (ABS) hardware
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The invention discloses a hybrid electrical vehicle (HEV)/electrical vehicle (EV) regeneration brake pressure coordinate control system based on antilock brake system (ABS) hardware. The system comprises a hydraulic brake subsystem, a motor regeneration subsystem and a control system for controlling the hydraulic brake subsystem and the motor regeneration brake subsystem; and the hydraulic brake subsystem comprises a vacuum assistance system, a brake main cylinder, an oil storage tank, a travel simulator, a front wheel ABS pressure regulation system, a front wheel brake wheel cylinder, a rearwheel ABS pressure regulation system and a rear wheel brake wheel cylinder, and a working cavity I of the brake main cylinder is communicated with the travel stimulator. In the HEV/EV system regeneration brake pressure coordinate control system based on the ABS hardware, the working modes such as pure motor brake, electrohydraulic combined brake, pure hydraulic brake, antilock brake and the like can be flexibly selected according to specific conditions, and accurate brake force is provided; when a brake pedal is trampled, the travel simulator can produce good retardation brake feeling; and during pressurization, an overflow valve and a solenoid directional valve can protect an oil pump I driving motor to ensure that a system can work stably.