Test bed of air pressure and regenerative braking coordinated control system of hybrid electric bus

Abstract

The invention discloses a test bed of an air pressure and regenerative braking coordinated control system of a hybrid electric bus, comprising an air pressure and regenerative braking control coordinated control test system, an air brake test system, a data processing system, a model simulation experimental system and a motor braking test system, wherein an air brake system and a brake air pressure regulating device in the air brake test system are subjects, and characteristic test can be carried out by replacing different pressure regulating devices; a motor and a battery in the motor braking test system are subjects, and energy recovery and charging of a battery pack can be realized in braking; and the sensor signal is inputted in a vehicle model of the model simulation experimental system through the data processing system, the vehicle model sends out control commands to the motor and a solenoid valve according to the collected information so as to lead the motor and the solenoid valve to be in the desired state. The test bed can perform overall performance test for the air pressure and generative braking coordinated control system of the hybrid electric bus including hardware and control strategy.

Description

technical field [0001] The invention relates to a test device for a coordinated control system of air pressure and regenerative braking of a hybrid electric passenger car, more precisely a hardware-in-loop test bench for the coordinated control system of air pressure and regenerative braking of a hybrid electric passenger car. Background technique [0002] With the global energy crisis and environmental pollution, the energy-saving effect of hybrid electric vehicles has become increasingly prominent. Among the various energy-saving technologies of hybrid electric vehicles, regenerative braking energy recovery technology is one of the key technologies of hybrid electric vehicles. The coordinated control system of air pressure and regenerative braking for hybrid electric buses needs to have a significant energy recovery rate, stable braking performance, comfortable braking feeling and excellent safety performance in the research and development process. The advanced test devic...

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Problems solved by technology

[0012] The above related patents mainly focus on the system composition and control strategy. There is no hardware in-loop test device for the coordinated control of air pressure and regenerative braking of hybrid electric buses. It can be said that the hardware of the coordinated control system of air pressure and regenerative braking of hybrid electric buses is currently in The circuit test bench is blank in China

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