NDLI: Sliding mode based powertrain control for efficiency improvement in series hybrid-electric vehicles

Content Provider	IEEE Xplore Digital Library
Author	Gokasan, M. Bogosyan, S. Goering, D.J.
Copyright Year	1986
Abstract	This study involves the improvement of overall efficiency in series hybrid-electric vehicles (SHEVs) by restricting the operation of the engine to the optimal efficiency region, using a control strategy based on two chattering-free sliding mode controllers (SMCs). One of the designed SMCs performs engine speed control, while the other controls the engine/generator torque, together achieving the engine operation in the optimal efficiency region of the torque-speed curve. The control strategy is designed for application on a SHEV converted from a standard high mobility multipurpose wheeled vehicle (HMMWV) and simulated by using the Matlab-based PNGV Systems Analysis Toolkit (PSAT). The performance of the control strategy is compared with that of the original PSAT model, which utilizes PI controllers, a feedforward term for the engine torque, and comprehensive maps for the engine, generator and power converter (static only), which constitute the auxiliary power unit (APU). In this study, in spite of the simple modeling approach taken to model the APU and the optimal efficiency region, an improved performance has been achieved with the new SMC based strategy in terms of overall efficiency, engine efficiency, fuel economy, and emissions. The control strategy developed in this work is the first known application of SMC to SHEVs, and offers a simple, effective and modular approach to problems related to SHEVs
Sponsorship	IEEE Power Electronics Society
Starting Page	779
Ending Page	790
Page Count	12
File Size	995671
File Format	PDF
ISSN	08858993
Volume Number	21
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-05-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Mechanical power transmission Sliding mode control Vehicles Engines Optimal control Torque control Mathematical model Hidden Markov models Velocity control Analytical models sliding mode controller (SMC) Auxiliary power unit (APU) engine optimal efficiency operation series hybrid electric vehicles (HEVs)
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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