Optimization of Fuel Consumption and Emissions for Auxiliary Power Unit Based on Multi-Objective Optimization Model

Yongpeng Shen, Zhendong He, Dongqi Liu and Binjie Xu
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Yongpeng Shen: College of Electric and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China
Zhendong He: College of Electric and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China
Dongqi Liu: College of Electric and Information Engineering, Hunan University, Changsha 4100822, China
Binjie Xu: College of Electric and Information Engineering, Hunan University, Changsha 4100822, China

Energies, 2016, vol. 9, issue 2, 1-18

Abstract: Auxiliary power units (APUs) are widely used for electric power generation in various types of electric vehicles, improvements in fuel economy and emissions of these vehicles directly depend on the operating point of the APUs. In order to balance the conflicting goals of fuel consumption and emissions reduction in the process of operating point choice, the APU operating point optimization problem is formulated as a constrained multi-objective optimization problem (CMOP) firstly. The four competing objectives of this CMOP are fuel-electricity conversion cost, hydrocarbon (HC) emissions, carbon monoxide (CO) emissions and nitric oxide (NO x ) emissions. Then, the multi-objective particle swarm optimization (MOPSO) algorithm and weighted metric decision making method are employed to solve the APU operating point multi-objective optimization model. Finally, bench experiments under New European driving cycle (NEDC), Federal test procedure (FTP) and high way fuel economy test (HWFET) driving cycles show that, compared with the results of the traditional fuel consumption single-objective optimization approach, the proposed multi-objective optimization approach shows significant improvements in emissions performance, at the expense of a slight drop in fuel efficiency.

Keywords: electric vehicle; auxiliary power unit (APU); fuel consumption (FC); emissions; multi-objective optimization (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: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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