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TECHNICAL PAPERS

A Kinematics and Power Flow Analysis Methodology for Automatic Transmission Planetary Gear Trains

[+] Author and Article Information
A. Kahraman, H. Ligata

Department of Mechanical Engineering, The Ohio State University, 206 W. 18th Avenue, Columbus, OH 43210

K. Kienzle, D. M. Zini

General Motors Gear Center, 30240 Oak Creek Drive, Wixom, MI 48393

J. Mech. Des 126(6), 1071-1081 (Feb 14, 2005) (11 pages) doi:10.1115/1.1814388 History: Received April 02, 2003; Revised April 01, 2004; Online February 14, 2005
Copyright © 2004 by ASME
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References

Figures

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(a) A single-planet planetary gear set, and (b) a double-planet planetary gear set
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Fundamental kinematic units in (a) an external mesh, (b) an internal mesh, and (c) a planet-to-planet mesh
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(a) A compound gear set and (b) a complex-compound (Ravigneaux) gear set
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Flow chart of search for kinematic configurations
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(a) A single engage/disengage gear shift and (b) a double engage/disengage gear shift
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Free body diagram of the gears forming a single-planet gear set. Only one of the branches is shown for clarity purposes
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Free body diagram of the gears forming a double-planet gear set. Only one of the branches is shown for clarity purposes.
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Two different positions for planet 2; (a) position A, (b) position B
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(a) Planetary gear set hardware used in the example case, (b) concept design 6 in Table 1

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