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Model-based fault detection of a battery system in a hybrid electric vehicle

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2 Author(s)
Gadsden, S.A. ; Dept. of Mech. Eng., McMaster Univ., Hamilton, ON, Canada ; Habibi, S.R.

Recently, a new type of interacting multiple model (IMM) method was introduced based on the relatively new smooth variable structure filter (SVSF), and is referred to as the IMM-SVSF. The SVSF is a type of sliding mode estimator that is formulated in a predictor-corrector fashion. This strategy keeps the estimated state bounded within a region of the true state trajectory, thus creating a stable and robust estimation process. The IMM method may be utilized for fault detection and diagnosis, and is classified as a model-based method. In this paper, for the purposes of fault detection, the IMM-SVSF is applied through simulation on a simple battery system which is modeled from a hybrid electric vehicle.

Published in:

Vehicle Power and Propulsion Conference (VPPC), 2011 IEEE

Date of Conference:

6-9 Sept. 2011