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International Journal of Automotive Technology 2009;10(2): 229-234. |
| ANALYSIS OF A REGENERATIVE BRAKING SYSTEM FOR HYBRID ELECTRIC VEHICLES USING AN ELECTRO-MECHANICAL BRAKE |
| J. K. AHN1, K. H. JUNG2, D. H. KIM1, H. B. JIN1, H. S. KIM1, S. H. HWANG1 |
1SungKyunKwan University
2NEXEN Tire |
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| ABSTRACT |
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The regenerative braking system of the Hybrid Electric Vehicle (HEV) is a key technology that can improve fuel efficiency by 20~50%, depending on motor size. In the regenerative braking system, the electronically controlled brake subsystem that directs the braking forces into four wheels independently is indispensable. This technology is currently found in the Electronic Stability Program (ESP) and in Vehicle Dynamic Control (VDC). As braking technologies progress toward brake-by-wire systems, the development of Electro-Mechanical Brake (EMB) systems will be very important in the improvement of both fuel consumption and vehicle safety. This paper investigates the modeling and simulation of EMB systems for HEVs. The HEV powertrain was modeled to include the internal combustion engine, electric motor, battery and transmission. The performance simulation for the regenerative braking system of the HEV was performed using MATLAB/Simulink. The control performance of the EMB system was evaluated via the simulation of the regenerative braking of the HEV during various driving conditions. |
| Key Words:
Hybrid electric vehicle, Regenerative braking, Electro-mechanical braking, Modeling, Simulation |
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