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Design and Analysis of Starter-Alternator Installation in a Hybrid-Electric Vehicle
Technical Paper
1999-01-0917
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The idea of using a single electrical machine for both starting the engine and generating electrical power is not new. However, the real benefits, that justify the higher cost of a combined starter-alternator, become apparent when it is used as part of a hybrid powerplant. This powerplant allows a substantial improvement in fuel economy by a variety of methods (i.e. the engine shut-down during deceleration and idle, regenerative braking, etc.), as well as enhancements to engine performance, emissions, and vehicle driveability.
This paper describes the analysis of the structure supporting the starter-alternator on the end of the engine crankshaft (Figure 1). It deals with the requirement to maintain a small radial gap between the rotor and stator, and it discusses how the rotor affects the loading on the crankshaft. In addition, thermal deformations of the rotor/clutch assembly are analyzed with three light-weight materials. The work is part of Ford's hybrid-electric vehicle program sponsored by the Department of Energy. The design of the electric motor is described by J. M. Miller et al in [1].
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Authors
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Citation
Levin, M., Chottiner, J., Jaura, A., Ullman, Z. et al., "Design and Analysis of Starter-Alternator Installation in a Hybrid-Electric Vehicle," SAE Technical Paper 1999-01-0917, 1999, https://doi.org/10.4271/1999-01-0917.Also In
References
- Miller J. M. Gale A. McCleer P. Leonardi F. Lang J. “Starter-Alternator for Hybrid Electric Vehicle: Comparison of Induction and Variable Reluctance Machines and Drives” IEEE Industry Applications Society Annual Meeting St. Louis, MO Oct. 11 - 16 1998
- Jaura A. K. Levin M. B. “Starter-Alternator Evolution and Interface in Hybrid Vehicles Paper 79 15th Electric Vehicle Symposium Brussels, Belgium 1-3 October 1998
- Chottiner J. E. “Cranktrain Design for Ford's HEV DI Diesel Engine” SAE paper 981915
- Boggs D. L. Belaire R. C. Bartunek B. Durnholz M. Ecker H.-J. “A Small Displacement DI Diesel Engine Concept for High Fuel Economy Vehicles” SAE paper 972680
- Burke J. T. Yang C.-C. Canino S. J. “Processing of Cast Metal Matrix Composites” AFS Transactions 94 179
- Hollins M. “Brake Discs for the Lotus Elise - a Commercial Application of Metal Matrix Composites” The Institute of Materials, Metal Matrix Composites VI 26-27 November 1997 The Royal Society of London
- Unsworth W. “A New Magnesium Alloy for Automobile Applications” Light Metal Age August 1987