Driving anti-skid control system of hybrid electric vehicle and control method thereof

Abstract

The invention relates to a driving anti-skid control system of a hybrid electric vehicle and a control method thereof; the driving anti-skid control system comprises a brake pressure pipe, a vehicle transmission system and a driving anti-skid control electric signal circuit; the brake pressure pipe comprises an air compressor; the air compressor is connected with a brake cylinder through a valve;the output end of the brake cylinder is connected with two front wheel brake chambers and two input ends of a bi-directional single-way valve through two vehicle brake anti-lock regulating valves, a driving anti-skid regulating valve and a brake pipe, and the input end thereof is connected with two rear wheel brake chambers through the other two vehicle brake anti-lock regulating valves; the vehicle transmission system comprises an engine, and the engine is connected with a transmission mechanism assembly through a motor; the driving anti-skid control electric signal circuit comprises four wheel speed sensors arranged near the wheels; the two wheel speed sensors in the front part and the two vehicle brake anti-lock regulating valves are connected with a brake / driving controller; and the brake / driving controller is respectively connected with the driving anti-skid regulating valve, the controller of the complete vehicle, an electronic throttle, a motor controller, the other two wheel speed sensors and the two vehicle brake anti-lock regulating valves. The invention can be widely applied to the anti-skid control systems of various hybrid electric vehicles.

Description

technical field [0001] The invention relates to a vehicle control system and a control method, in particular to a driving anti-slip control system and a control method of a hybrid electric vehicle adopting an air braking system. Background technique [0002] Drive anti-slip control system (ASR, Anti Slip Regulation), vehicle drive anti-slip control system (ATC, Automatic Traction Control) and vehicle drive control system (TCS, Traction Control System) were first trial-manufactured by Sweden Volvo Car Company, and have developed rapidly since then. It has become very mature and has become the standard configuration of mid-to-high-end passenger cars. In the field of vehicles using pneumatic braking systems, since the German Bosch company introduced the integrated system of pneumatic ABS / ATC (vehicle anti-lock braking system / vehicle drive anti-skid control system), the drive anti-skid system has been adopted abroad. The vehicular field of pneumatic braking systems has gained w...

AI Technical Summary

Problems solved by technology

By adjusting the brake pressure in the brake wheel cylinder and the motor brake torque to achieve brake anti-lock and drive anti-skid, but it also does not involve the control of the engine, nor does it involve the adjustment of the brake pressure of the driving wheel; In the US patent US006263267B1, a driving anti-skid system for hybrid electric vehicles is proposed. When the wheel slip is detected, the output torque of the motor is reduced to suppress the slip. It also lacks the brake pressure to adjust the engine torque and the driving wheel. Content

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