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TECHNICAL PAPERS

A High Performance Pneumatic Force Actuator System: Part I—Nonlinear Mathematical Model

[+] 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), 416-425 (Jun 23, 1999) (10 pages) doi:10.1115/1.1286336 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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Pneumatic tube notations
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Tube outlet flow for a sinusoidal flow input
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Valve spool dynamic equilibrium
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Orifice area versus spool position
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Input and exhaust valve areas
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Valve flow versus coil current
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Valve viscous friction coefficient identification
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Valve flow versus downstream pressure
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Numatics 0750D02-03A cylinder friction force
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Dynamic and viscous friction force versus piston velocity, for Numatics 0750D02-03A
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Airpel E16 D 3.0 N cylinder resistance force
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Cylinder friction force versus piston velocity, for Airpel E16 D 3.0 N
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Numerical and experimental actuator pressures (a) and force (b) for 0.5 A step coil current and 0.5 m tube length
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Numerical and experimental actuator pressures (a) and force (b) for 0.5 A step coil current and 2 m tube length
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Experimental and numerical piston position for 1.5 V and 5 Hz sinusoidal valve current for Numatics 0750D02-03A cylinder
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Experimental and numerical piston position for 1.5 V and 5 Hz sinusoidal valve current for Airpel E16 D 3.0 N cylinder

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