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Proceedings Paper

Review of hardware-in-the-loop simulation and its prospects in the automotive area
Author(s): Hosam K. Fathy; Zoran S. Filipi; Jonathan Hagena; Jeffrey L. Stein
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Paper Abstract

Hardware-in-the-loop (HIL) simulation is rapidly evolving from a control prototyping tool to a system modeling, simulation, and synthesis paradigm synergistically combining many advantages of both physical and virtual prototyping. This paper provides a brief overview of the key enablers and numerous applications of HIL simulation, focusing on its metamorphosis from a control validation tool into a system development paradigm. It then describes a state-of-the art engine-in-the-loop (EIL) simulation facility that highlights the use of HIL simulation for the system-level experimental evaluation of powertrain interactions and development of strategies for clean and efficient propulsion. The facility comprises a real diesel engine coupled to accurate real-time driver, driveline, and vehicle models through a highly responsive dynamometer. This enables the verification of both performance and fuel economy predictions of different conventional and hybrid powertrains. Furthermore, the facility can both replicate the highly dynamic interactions occurring within a real powertrain and measure their influence on transient emissions and visual signature through state-of-the-art instruments. The viability of this facility for integrated powertrain system development is demonstrated through a case study exploring the development of advanced High Mobility Multipurpose Wheeled Vehicle (HMMWV) powertrains.

Paper Details

Date Published: 22 May 2006
PDF: 20 pages
Proc. SPIE 6228, Modeling and Simulation for Military Applications, 62280E (22 May 2006); doi: 10.1117/12.667794
Show Author Affiliations
Hosam K. Fathy, Univ. of Michigan (United States)
Zoran S. Filipi, Univ. of Michigan (United States)
Jonathan Hagena, Univ. of Michigan (United States)
Jeffrey L. Stein, Univ. of Michigan (United States)


Published in SPIE Proceedings Vol. 6228:
Modeling and Simulation for Military Applications
Kevin Schum; Alex F. Sisti, Editor(s)

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