Abstract
Brake pedal feel is intuitive feelings for the driver and affected vehicle safety performance. Due to the participation of the motor, brake force distribution and the original pedal feel of the driver would be changed. Based on the traditional hydraulic unit of ESC, Jilin University developed a braking energy recovery system of uniaxial decoupled. A series of fixed partition coefficient control strategy was developed, coordinated control of electrical regenerative braking and hydraulic braking was carried out. Vehicle test was carried out for coordinated braking strategy, parallel strategy and traditional control strategy. Vehicle test results show that the brake pedal travel simulator and the coordinated braking strategy can improve the energy recovery, and ensure that the brake pedal feel is consistent with the traditional vehicle.
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