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Energies 2016, 9(2), 90; doi:10.3390/en9020090

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

1
College of Electric and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China
2
College of Electric and Information Engineering, Hunan University, Changsha 4100822, China
*
Author to whom correspondence should be addressed.
Academic Editor: Omar Hegazy
Received: 14 September 2015 / Revised: 13 January 2016 / Accepted: 25 January 2016 / Published: 2 February 2016
(This article belongs to the Special Issue Advances in Plug-in Hybrid Vehicles and Hybrid Vehicles)
View Full-Text   |   Download PDF [4402 KB, uploaded 2 February 2016]   |  

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. View Full-Text
Keywords: electric vehicle; auxiliary power unit (APU); fuel consumption (FC); emissions; multi-objective optimization electric vehicle; auxiliary power unit (APU); fuel consumption (FC); emissions; multi-objective optimization
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Shen, Y.; He, Z.; Liu, D.; Xu, B. Optimization of Fuel Consumption and Emissions for Auxiliary Power Unit Based on Multi-Objective Optimization Model. Energies 2016, 9, 90.

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