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TECHNICAL PAPERS

A High Performance Pneumatic Force Actuator System: Part II—Nonlinear Controller Design

[+] Author and Article Information
Edmond Richer, Yildirim Hurmuzlu

Southern Methodist University, School of Engineering and Applied Science, Mechanical Engineering Department, Dallas, TX 75275

J. Dyn. Sys., Meas., Control 122(3), 426-434 (Jun 23, 1999) (9 pages) doi:10.1115/1.1286366 History: Received June 23, 1999
Copyright © 2000 by ASME
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References

Figures

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Schematic representation of the pneumatic cylinder-valve system
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Series approximation of the valve area, and the approximation error for 2, 3, and 4 terms in the series
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Series approximation of the spool displacement, and the approximation error for 2, 3, and 4 terms in the series
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Simulation results for the actuator force (a), and control law and spool displacement (b), using the full order SMC for 75 N and 20 Hz desired force, and 0.5 m tube length
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Simulation results for the actuator force (a), and control law and spool displacement (b), using the full order SMC for 75 N and 20 Hz desired force, and 2 m tube length
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Numerical results for the actuator force (a), and control law and spool displacement (b), using the reduced order SMC for 75 N and 20 Hz desired force, and 0.5 m tube length
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Numerical results for the actuator force (a), and control law and spool displacement (b), using the reduced order SMC for 75 N and 20 Hz desired force, and 2 m tube length
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Experimental values of the actuator force, using the full order SMC (a), and reduced order SMC (b), for for 75 N and 20 Hz desired force, and 0.5 m tube length
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Experimental values of the actuator force, using the full order SMC (a), and reduced order SMC (b), for 75 N and 20 Hz desired force, and for 2 m tube length
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Frequency response using the full and reduced order SMC, for 0.5 m tube length
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Frequency response using the full and reduced order SMC, for 2 m tube length
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Schematic representation of the moving mass experimental setup
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Theoretical and experimental values of motion amplitude

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