This paper presents a motor-integrated transmission mechanism for use in parallel hybrid electric vehicles. The transmission can provide five basic modes of operation that can be further classified into sixteen sub-modes: one electric motor mode, four engine modes, four engine/charge modes, three power modes, and four regenerative braking modes. Each of these sub-modes can be grouped into like clutching conditions, providing the functional appearance of a conventional 4-speed automatic transmission, with electric launch, engine-only, engine/charge, power-assist, and regeneration capability. CVT capability is provided with one of the engine/charge modes. The kinematics, static torque, and power flow relations for each mode are analyzed in detail. Finally, a clutching logic and a notional control strategy are developed. The transmission can be incorporated not only in front-wheel drive but also in rear-wheel drive vehicles. The compactness, mechanical simplicity, and operational flexibility of the transmission make it an excellent candidate for future hybrid electric vehicles.
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ASME 2002 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
September 29–October 2, 2002
Montreal, Quebec, Canada
Conference Sponsors:
- Design Engineering Division and Computers and Information in Engineering Division
ISBN:
0-7918-3653-3
PROCEEDINGS PAPER
A Motor-Integrated Parallel Hybrid Transmission
L. W. Tsai,
L. W. Tsai
University of California, Riverside, CA
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G. Schultz
G. Schultz
University of Maryland, College Park, MD
Search for other works by this author on:
L. W. Tsai
University of California, Riverside, CA
G. Schultz
University of Maryland, College Park, MD
Paper No:
DETC2002/MECH-34363, pp. 1347-1354; 8 pages
Published Online:
June 18, 2008
Citation
Tsai, LW, & Schultz, G. "A Motor-Integrated Parallel Hybrid Transmission." Proceedings of the ASME 2002 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 5: 27th Biennial Mechanisms and Robotics Conference. Montreal, Quebec, Canada. September 29–October 2, 2002. pp. 1347-1354. ASME. https://doi.org/10.1115/DETC2002/MECH-34363
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