Quantitative Feedback Theory (QFT) for Chattering Reduction and Improved Tracking in Sliding Mode Control (SMC)

[+] Author and Article Information
E. Z. Taha, G. S. Happawana, Y. Hurmuzlu

Mechanical Engineering Department, Southern Methodist University, 5990 Airline Road, Dallas, TX 75205

J. Dyn. Sys., Meas., Control 125(4), 665-669 (Jan 29, 2004) (5 pages) doi:10.1115/1.1636780 History: Received March 20, 2002; Revised May 06, 2003; Online January 29, 2004
Copyright © 2003 by ASME
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Grahic Jump Location
Plant set dynamics of the sliding surface
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The 2 DOF QFT configuration
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Sliding surface dynamics: (a) with sat function, (b) with QFT controller
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Control inputs: (a) with sat function, (b) with QFT controller
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Tracking errors: (a) with sat function, (b) with QFT controller
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QFT Design specs: (a) Overdamped tracking specifications, (b) loop-shaping




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