This paper presents a formalization of the energy management problem in hybrid electric vehicles and a comparison of three known methods for solving the resulting optimization problem. Dynamic programming (DP), Pontryagin’s minimum principle (PMP), and equivalent consumption minimization strategy (ECMS) are described and analyzed, showing formally their substantial equivalence. Simulation results are also provided to demonstrate the application of the strategies. The theoretical background for each strategy is described in detail using the same formal framework. Of the three strategies, ECMS is the only implementable in real time; the equivalence with PMP and DP justifies its use as an optimal strategy and allows to tune it more effectively.
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e-mail: serrao.4@osu.edu
e-mail: onori.1@osu.edu
e-mail: rizzoni.1@osu.edu
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A Comparative Analysis of Energy Management Strategies for Hybrid Electric Vehicles
Lorenzo Serrao,
Lorenzo Serrao
Center for Automotive Research,
e-mail: serrao.4@osu.edu
The Ohio State University
, Columbus, OH 43210
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Simona Onori,
Simona Onori
Center for Automotive Research,
e-mail: onori.1@osu.edu
The Ohio State University
, Columbus, OH 43210
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Giorgio Rizzoni
Giorgio Rizzoni
Department of Mechanical and Aerospace Engineering and Center for Automotive Research,
e-mail: rizzoni.1@osu.edu
The Ohio State University
, Columbus, OH 43210
Search for other works by this author on:
Lorenzo Serrao
Center for Automotive Research,
The Ohio State University
, Columbus, OH 43210e-mail: serrao.4@osu.edu
Simona Onori
Center for Automotive Research,
The Ohio State University
, Columbus, OH 43210e-mail: onori.1@osu.edu
Giorgio Rizzoni
Department of Mechanical and Aerospace Engineering and Center for Automotive Research,
The Ohio State University
, Columbus, OH 43210e-mail: rizzoni.1@osu.edu
J. Dyn. Sys., Meas., Control. May 2011, 133(3): 031012 (9 pages)
Published Online: March 25, 2011
Article history
Received:
January 25, 2010
Revised:
September 26, 2010
Online:
March 25, 2011
Published:
March 25, 2011
Citation
Serrao, L., Onori, S., and Rizzoni, G. (March 25, 2011). "A Comparative Analysis of Energy Management Strategies for Hybrid Electric Vehicles." ASME. J. Dyn. Sys., Meas., Control. May 2011; 133(3): 031012. https://doi.org/10.1115/1.4003267
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