• CN: 11-2187/TH
  • ISSN: 0577-6686

Journal of Mechanical Engineering ›› 2019, Vol. 55 ›› Issue (10): 86-108.doi: 10.3901/JME.2019.10.086

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Current Status and Prospects for Model Predictive Energy Management in Hybrid Electric Vehicles

ZHANG Fengqi1, HU Xiaosong2, XU Kanghui1, TANG Xiaolin2, CUI Yahui1   

  1. 1. School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 710048;
    2. State Key Lab of Mechanical Transmission, Chongqing University, Chongqing 400044
  • Received:2018-11-04 Revised:2019-03-24 Online:2019-05-20 Published:2019-05-20

Abstract: Energy management strategies are a core technology in hybrid electric vehicles and plug-in hybrid electric vehicles (HEVs/PHEVs), which directly determines fuel economy, power performance, and drivability. However, the uncertainty, and perturbation of realistic driving conditions greatly increase the difficulty of devising an effective energy management algorithm. It is therefore critical to develop efficient, adaptive, and resilient energy management algorithms. The model predictive energy management can reduce the impact of future operating disturbances on the optimization performance, improving the adaptability of driving conditions and vehicle economy due to the advantages of optimization over receding horizon and feedback compensation. It systematically surveys the state of the art in energy management strategies based on model predictive control (MPC). Their principles, advantages, and applicability are comprehensively analyzed. The advantages and disadvantages of different control methods are compared and summarized. A case study is conducted to illustrate features of MPC-based energy management for HEVs. Finally, future research trends are presented from different perspectives, in order to shed some light on the development of advanced supervisory energy management controllers in HEVs/PHEVs.

Key words: driving cycle prediction, energy management strategies, hybrid electric vehicles, internet of vehicles, model predictive control

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