A Novel Parallel Hybrid Transmission

Author:

Tsai L. W.1,Schultz G.2,Higuchi N.3

Affiliation:

1. Department of Mechanical Engineering, Bourns College of Engineering, University of California, Riverside, CA 92521

2. Department of Mechanical Engineering and Institute for Systems Research, University of Maryland, College Park, MD 20742

3. Engineering Research Department 31, Honda R&D Co., Ltd., Tochigi R&D Center, Tochigi, Japan

Abstract

This paper presents a novel transmission mechanism for use in a parallel hybrid vehicle. A parallel hybrid vehicle typically employs two or more power sources to drive the vehicle. For such a vehicle to function properly, a non-conventional transmission mechanism and a microprocessor-based controller are needed to manage the power flow among the various power sources. The transmission mechanism described in this paper can provide a parallel hybrid with thirteen clutching conditions that can be grouped into five major modes of operation, namely, electric motor mode, power mode, CVT/charging mode, engine mode, and regenerative braking mode. The kinematics, statics, and power flow of each mode of operation are analyzed. A numerical example is used to illustrate the principle of operation. Furthermore, a clutching sequence control logic is developed.

Publisher

ASME International

Subject

Computer Graphics and Computer-Aided Design,Computer Science Applications,Mechanical Engineering,Mechanics of Materials

Reference19 articles.

1. Berman, B., Gelb, G. H., Richardson, N. A., and Wang, T. C., 1971, “Power Train Using Multiple Power Sources,” United States Patent No. 3,566,717.

2. Berman, B., Gelb, G. H., Richardson, N. A., and Wang, T. C., 1973, “Power Train Using Multiple Power Sources,” United States Patent No. 3,732,751.

3. Eller, 1990, United States Patent No. 4,923,025.

4. Hunt, 1983, United States Patent No. 4,405,029.

5. Hunt, 1984, United States Patent No. 4,470,476.

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