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TECHNICAL PAPERS

System Dynamics and Control of a Linear Compressor for Stroke and Frequency Adjustment

[+] Author and Article Information
B. J. Huang, Y. C. Chen

Department of Mechanical Engineering, National Taiwan University, Taipei, Taiwan

J. Dyn. Sys., Meas., Control 124(1), 176-182 (Feb 28, 2001) (7 pages) doi:10.1115/1.1433802 History: Received February 28, 2001
Copyright © 2002 by ASME
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References

Cadman, R. V., and Cohen, R., 1969, “Electrodynamic Oscillating Compressors: Part 1—Design Based on Linearized Loads,” ASME J. Basic Eng. Dec. pp. 656–663.
Cadman, R. V. and Cohen, R., 1969, “Electrodynamic Oscillating Compressors: Part 2—Evaluation of Specific Designs for Gas Load,” ASME J. Basic Eng., Dec., pp. 664–670.
de Jonge,  A. K., and Sereny,  A., 1981, “Analysis and Optimization of a Linear Motor for the Compressor of a Cryogenic Refrigerator,” Adv. Cryog. Eng., 27, pp. 631–640.
Barry, R., 1992, “Linear Motor Driven Stirling Coolers for Military Commercial Applications,” Proc IECEC, Vol. 5, pp. 5.149–5.154.
Stolfi, F. R., and Daniels, A., 1985, “Parametric Testing of a Linearly Driven Stirling Cryogenic Refrigerator,” Proc. 3rd Int. Cryocooler Conf., pp. 80–98.
Yang,  Y. P., and Huang,  B. J., 1998, “Fuzzy Control on the Phase and Stroke of a Linear Compressor of a Split-Stirling Cryocooler,” Cryogenics, 38, pp. 231–238.
Phelan, R. M., 1987, “Feedback Control Systems, privately published notes,” Sibley School of Mechanical and Aeronautical Engineering, Cornell University, Ithaca, NY.
Leu,  M. C., and Freed,  D. I., 1989, “PDF Subvariable Control and its Application to Robot Motion Control,” ASME J. Dyn. Syst., Meas., Control, 111, pp. 452–461.
Kang, J. K, Lee, J. T., Kim, Y. M., Kwon, B. H., and Choi, K. S., 1991, “Speed Controller Design for Induction Motor Drives Using a PDF Control and Load Disturbance Observer,” IECON Proceedings Industrial Electronics Conference, Vol. 1, pp. 799–803.

Figures

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Structure of the linear compressor
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Experimental apparatus for system identification
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Frequency response for G(s)
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Input and time response of displacement
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Theoretical model and experimental results of G(s)
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Basic structure of control system
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PDF control system design
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Analog controller implementation
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Time response of displacement and control signal variation for amplitude change (Xr=0→4 mm)
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Time response of displacement and control signal variation for amplitude change (Xr=3 mm→6 mm)
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Time response of displacement and control signal variation for amplitude change (Xr=6 mm→3 mm)
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Time response of displacement and control signal variation for frequency change (f=30 Hz→47 Hz)
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Time response of displacement and control signal variation for step disturbance (Td=+4V)
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Time response of displacement and control signal variation for step disturbance (Td=−4V)
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Time response of stroke for variable disturbance

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