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Energies 2017, 10(3), 305; doi:10.3390/en10030305

Control Strategy Optimization for Parallel Hybrid Electric Vehicles Using a Memetic Algorithm

1
Department of Information and Communication Engineering, Chaoyang University of Technology, Taichung 41349, Taiwan
2
Department of Vehicle Engineering, National Taipei University of Technology, 1, Sec. 3, Chung-Hsiao E. Road, Taipei 106, Taiwan
*
Author to whom correspondence should be addressed.
Academic Editor: Hongwen He
Received: 15 January 2017 / Accepted: 1 March 2017 / Published: 3 March 2017
View Full-Text   |   Download PDF [2573 KB, uploaded 7 March 2017]   |  

Abstract

Hybrid electric vehicle (HEV) control strategy is a management approach for generating, using, and saving energy. Therefore, the optimal control strategy is the sticking point to effectively manage hybrid electric vehicles. In order to realize the optimal control strategy, we use a robust evolutionary computation method called a “memetic algorithm (MA)” to optimize the control parameters in parallel HEVs. The “local search” mechanism implemented in the MA greatly enhances its search capabilities. In the implementation of the method, the fitness function combines with the ADvanced VehIcle SimulatOR (ADVISOR) and is set up according to an electric assist control strategy (EACS) to minimize the fuel consumption (FC) and emissions (HC, CO, and NOx) of the vehicle engine. At the same time, driving performance requirements are also considered in the method. Four different driving cycles, the new European driving cycle (NEDC), Federal Test Procedure (FTP), Economic Commission for Europe + Extra-Urban driving cycle (ECE + EUDC), and urban dynamometer driving schedule (UDDS) are carried out using the proposed method to find their respectively optimal control parameters. The results show that the proposed method effectively helps to reduce fuel consumption and emissions, as well as guarantee vehicle performance. View Full-Text
Keywords: hybrid electric vehicle (HEV); control strategy; memetic algorithm (MA); parameters optimization hybrid electric vehicle (HEV); control strategy; memetic algorithm (MA); parameters optimization
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Cheng, Y.-H.; Lai, C.-M. Control Strategy Optimization for Parallel Hybrid Electric Vehicles Using a Memetic Algorithm. Energies 2017, 10, 305.

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