Comparison of PMP and DP in fuel cell hybrid vehicles

C. H. Zheng, G. Q. Xu, Y. I. Park, W. S. Lim, S. W. Cha

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

Pontryagin's Minimum Principle (PMP) and Dynamic Programming (DP) are both from the optimal control theory and can both achieve optimal trajectories when they are applied to power management strategies of hybrid vehicles. However they have totally different control concepts. In order to select the superior one, the PMP-based and the DP-based power management strategies are introduced and compared for a fuel cell hybrid vehicle (FCHV) in this paper. The two power management strategies are applied to the FCHV in a computer simulation environment, and the simulation results from the two strategies are compared when the control variable for the PMP is fuel cell system (FCS) net power and for the DP is battery power. As a result, the superiority of the PMP-based power management strategy is proved.

Original languageEnglish
Pages (from-to)117-123
Number of pages7
JournalInternational Journal of Automotive Technology
Volume15
Issue number1
DOIs
StatePublished - Feb 2014

Keywords

  • Comparison
  • DP (Dynamic Programming)
  • FCHV (Fuel Cell Hybrid Vehicle)
  • PMP (Pontryagin's Minimum Principle)
  • Power management strategy

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