Journal of System Simulation ›› 2018, Vol. 30 ›› Issue (1): 242-248.doi: 10.16182/j.issn1004731x.joss.201801031

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Optimization Design of Fuzzy Energy Management for Plug-in Hybrid Electric Vehicles

Wu Xiaolan1, Bai Zhifeng1, Shi Xiaohui1, Cao Binggang2   

  1. 1.School of Mechanical and Electrical Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China;
    2.School of Mechanical Engineering, Xi’an Jiaotong University, Xi’an 710049, China;
  • Received:2015-11-25 Published:2019-01-02

Abstract: Because of complex system configuration, it is difficult to find precise mathematics model of PHEV drivetrain. The fuzzy controller design depends mainly on expert’s experience and has much subjectivity. A fuzzy energy management strategy (EMS) based on particle swarm optimization (PSO) is presented. In this EMS, the fuzzy rules obtained from expert knowledge are unaltered and the PSO is used to optimize the parameters of membership functions of the fuzzy controller. The provided EMS model is built by Matlab/simulink and embedded in the Advisor software for simulation and comparative analysis. The result shows that, compared with the conventional fuzzy EMS, the fuzzy EMS based on PSO can more effectively reduce oil consumption and reduce tail gas emission.

Key words: plug-in hybrid electric vehicle, energy management strategy, particle swarm optimization, fuzzy control

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