Neural Adaptive Control for Positioning Fabric on a Frictional Surface

[+] Author and Article Information
S. M. Shenoy, C. D. Rahn

Department of Mechanical Engineering, Clemson University, Clemson, South Carolina 29634-0921

J. Manuf. Sci. Eng 121(1), 127-133 (Feb 01, 1999) (7 pages) doi:10.1115/1.2830564 History: Received August 01, 1997; Revised December 01, 1997; Online January 17, 2008


This research focuses on real-time position control for draping fabric sliding on a high friction surface. Although fabrics are usually positioned on smooth surfaces with fixed fabric guides to simplify automated handling, a high friction work surface holds the fabric in place after positioning, allowing accurate assembly of multiple fabric parts without specialized jigs or fixtures. A neural adaptive controller with feedforward friction compensation provides asymptotic tracking for a spring mass model with friction. A test stand and an optical sensor are designed to facilitate real time position measurement and control. The neural adaptive controller demonstrates good position tracking and robustness to fabric property variations relative to open loop or PID control.

Copyright © 1999 by The American Society of Mechanical Engineers
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