Road Test of Hybrid Electric Bus with Regenerative Braking System

Abstract

Abstract: In order to improve the performance of regenerative braking system (RBS), a new RBS is selected and tested on a series hybrid electric bus. Several brake force allocation schemes including serial strategy, parallel strategy, etc, are designed for the object vehicle and tested on road; A vehicle road test system is set up for different type of test cycle including Chinese city bus cycle; A control unit including programs is established based on the dSPACE to substitute the actual whole vehicle control unit. The new control unit, vehicle road test system and several brake force allocation schemes are used and tested on the road to study the vehicle fuel economy and brake performance; the energy regeneration efficiency and driveability are studied, several factors are considered to analyze the brake process. The results show that, the new RBS can distribute brake force according to the type of target vehicle, the serial strategy of braking force distribution can recover more braking energy with good brake driveability and safety.

Key words: Braking force distribution, Hybrid electric bus, Rapid prototype, Regenerative braking, Road test

CLC Number:

U469

ZHANG Junzhi;LU Xin;ZHANG Pengjun;CHEN Xin. Road Test of Hybrid Electric Bus with Regenerative Braking System[J]. , 2009, 45(2): 25-30.

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Road Test of Hybrid Electric Bus with Regenerative Braking System

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