Periodic Tension Disturbance Attenuation in Web Process Lines Using Active Dancers

[+] Author and Article Information
Prabhakar R. Pagilla, Ramamurthy V. Dwivedula, Yongliang Zhu, Lokukaluge P. Perera

School of Mechanical and Aerospace Engineering, Oklahoma State University, Stillwater, OK 74078-5016

J. Dyn. Sys., Meas., Control 125(3), 361-371 (Sep 18, 2003) (11 pages) doi:10.1115/1.1590678 History: Received September 25, 2001; Revised January 21, 2003; Online September 18, 2003
Copyright © 2003 by ASME
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Dancer spans: unstretched and stretched conditions
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Root locus plot for L1>L2
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Root locus plot for L1=L2
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Root locus plot for L1<L2/2
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Interpretation of the effect of span lengths
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Sketch of the experimental web platform
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Picture of the web platform
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Picture of the active dancer system
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Theoretical and identified Bode plots
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Tension with out-of-round idle roller (disturbance and PID control); vr=1.772 m/s (350 FPM),tr=160.14 N (36 lbf)
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Tension with out-of-round idle roller (IMC and LQR); vr=1.772 m/s (350 FPM),tr=160.14 N (36 lbf)
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Summary of tension disturbance reduction




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