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World Electric Vehicle Journal is published by MDPI from Volume 9 issue 1 (2018). Articles in this Issue were published by The World Electric Vehicle Association (WEVA) and its member the European Association for e-Mobility (AVERE), the Electric Drive Transportation Association (EDTA), and the Electric Vehicle Association of Asia Pacific (EVAAP). They are hosted by MDPI on mdpi.com as a courtesy and upon agreement with AVERE.
Open AccessArticle

A Stochastic Model Predictive Control Strategy for Energy Management of Series PHEV

State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084, China
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World Electr. Veh. J. 2015, 7(2), 299-310; https://doi.org/10.3390/wevj7020299
Published: 26 June 2015
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Abstract

Splitting power is a tricky problem for series plug-in hybrid electric vehicles (SPHEVs) for the multi-working modes of powertrain and the hard prediction of future power request of the vehicle. In this work, we present a methodology for splitting power for a battery pack and an auxiliary power unit (APU) in SPHEVs. The key steps in this methodology are (a) developing a hybrid automaton (HA) model to capture the power flows among the battery pack, the APU and a drive motor (b) forecasting a power request sequence through a Markov prediction model and the maximum likeli-hood estimation approach (c) formulating a constraint stochastic optimal control problem to minimize fuel consumption and at the same time guarantee the dynamic performance of the vehicle (d) solving the optimal control problem using the model predictive control technique and the YALMIP toolbox. Our simulation experimental results show that with our stochastic model predictive control strategy a series plug-in hybrid electric vehicle can save 1.544 L gasoline per 100 kilometers compared to another existing power splitting strategy.
Keywords: Hybrid Systems; Model Predictive Control; Markov Prediction; Energy Management; Hybrid Electric Vehicle Hybrid Systems; Model Predictive Control; Markov Prediction; Energy Management; Hybrid Electric Vehicle
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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Xie, H.; Chen, H.; Tian, G.; Wang, J. A Stochastic Model Predictive Control Strategy for Energy Management of Series PHEV. World Electr. Veh. J. 2015, 7, 299-310.

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