On-Line Roundness Error Compensation via P-Integrator Learning Control

[+] Author and Article Information
C. J. Li

Department of Mechanical Engineering, Columbia University, New York, NY 10027

S. Y. Li

Department of Precision Machinery and Instruments, Changsha Institute of Technology, Changsha, Hunan, PRC

J. Eng. Ind 114(4), 476-480 (Nov 01, 1992) (5 pages) doi:10.1115/1.2900700 History: Received August 01, 1990; Online April 08, 2008


The work described is the result of a research project for developing a roundness error compensation scheme in turning processes based on the p-integrator learning controller and an on-line metrology system. The objective is to eliminate the repeatable error in turning operations. The scheme was realized on a CNC lathe. The effectiveness of the scheme is supported by the experimental results obtained through workpiece inspections.

Copyright © 1992 by The American Society of Mechanical Engineers
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