Estimation of Critical System Parameters That Affect Orbit Motor Performance—Combining Simulation and Experiments

[+] Author and Article Information
K. Dasgupta

Department of Engineering and Mining Machinery, Indian School of Mines, Dhanbad - 826004, India

A. Mukherjee, R. Maiti

Department of Mechanical Engineering, Indian Institute of Technology, Kharagpur - 721302, India

J. Manuf. Sci. Eng 121(2), 300-306 (May 01, 1999) (7 pages) doi:10.1115/1.2831220 History: Received May 01, 1996; Revised April 01, 1998; Online January 17, 2008


In this paper the authors have presented an integrated study of an orbital rotor Low Speed High Torque (LSHT) hydrostatic unit in a Hydrostatic Transmission (HST) System and an attempt has been made to estimate some critical parameters of such class of geometrically complex machine. Owing to the close tolerance in between the rotor-stator interface of the motor leakage takes place from the high pressure to the low pressure chamber and is difficult to estimate during operation. Based on the simulation and experimental investigations, a semi-empirical approach is proposed here to estimate its interchamber leakage resistance and for that the machine need not be disassembled. Using the actual parametric values, the overall dynamic model of the plant has been validated experimentally.

Copyright © 1999 by The American Society of Mechanical Engineers
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