Control of a Non-Orthogonal Reconfigurable Machine Tool

[+] Author and Article Information
Reuven Katz, John Yook, Yoram Koren

J. Dyn. Sys., Meas., Control 126(2), 397-405 (Aug 05, 2004) (9 pages) doi:10.1115/1.1771692 History: Received January 03, 2003; Revised September 16, 2003; Online August 05, 2004
Copyright © 2004 by ASME
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Schematic view of a Reconfigurable Machine Tool
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Reconfigurable position of Z-axis. The inclined angle can be changed from −15 deg to 60 deg
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Comparison between axial error and tracing error
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The diagram of the Symmetric Cross-Coupled Feed-Forward (S-CC-FF) controller. In the S-CC controller, the feed-forward block, Kff, does not exist. In the Non-Symmetric controller (NS-CC-FF), Czy is zero.
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Stable region for the parameters of the cross-coupled controllers
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The simplified RMT axial model
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Simulation results without any disturbance
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Simulation results with a step disturbance in the Y-axis
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Simulation results with a step disturbance in the Z-axis




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