Energy Recovery for the Main and Auxiliary Sources of Electric Vehicles

Min Ye, Shengjie Jiao and Binggang Cao
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Min Ye: Key Laboratory for Highway Construction Technology and Equipment of Ministry of Education, Chang’an University, Xi’an 710064, China
Shengjie Jiao: Key Laboratory for Highway Construction Technology and Equipment of Ministry of Education, Chang’an University, Xi’an 710064, China
Binggang Cao: School of Mechanical Engineering, Xi’an Jiaotong University, Xi’an 710049, China

Energies, 2010, vol. 3, issue 10, 1-18

Abstract: Based on the traditional regenerative braking electrical circuit, a novel energy recovery system for the main and auxiliary sources of electric vehicles (EVs) has been developed to improve their energy efficiency. The electrical circuit topology is presented in detail. During regenerative braking, the recovered mechanical energy is stored in both the main source and the auxiliary source at the same time. The mathematical model of the proposed system is derived step by step. Combining the merits and defects of H 2 optimal control and H ? robust control, a H 2 /H ? controller is designed to guarantee both the system performance and robust stability. The perfect match between the simulated and experimental results validates the notion that the proposed novel energy recovery system is both feasible and effective, as more energy is recovered than that with the traditional energy recovery systems, in which recovered energy is stored only in the main source.

Keywords: energy recovery; main and auxiliary sources; electric vehicle; DC/DC converter; electrical circuit (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2010
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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