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TECHNICAL BRIEFS

A New Consideration for Model Reduction Using Bilinear Schwarz Approximation for Discrete-Time Systems

[+] Author and Article Information
Younseok Choo

School of Electronic, Electrical and Computer Engineering, Hong-Ik University, San34-31 Sinan-Ri Jochiwon-Eup Yeongi-Gun Chungnam, Korea 339-701 e-mail: yschoo@wow.hongik.ac.kr

J. Dyn. Sys., Meas., Control 124(3), 475-477 (Jul 23, 2002) (3 pages) doi:10.1115/1.1485100 History: Received December 01, 2000; Online July 23, 2002
Copyright © 2002 by ASME
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References

Arumugam,  M., and Ramamoorty,  M., 1973, “A Method of Simplifying Large Dynamic Systems,” Int. J. Control, 17, pp. 1129–1135.
Davison,  A. M., and Lucas,  T. N., 1976, “Linear System Reduction Using Schwarz Canonical Form,” Electron. Lett., 12, pp. 324.
Lucas,  T. N., and Davison,  A. M., 1983, “Frequency-Domain Reduction of Linear Systems Using Schwarz Approximation,” Int. J. Control, 37, pp. 1167–1178.
Therapos,  C. P., 1984, “Modification of Schwarz Approximation,” Electron. Lett., 20, pp. 866–868.
Badreddin,  E., and Mansour,  M., 1980, “Model Reduction of Discrete-Time Systems Using the Schwarz Canonical Form,” Electron. Lett., 16, pp. 782–783.
Hsieh,  C.-S., and Hwang,  C., 1990, “Model Reduction of Linear Discrete-Time Systems Using Bilinear Schwarz Approximation,” Int. J. Syst. Sci., 21, pp. 33–49.
Hwang,  C., and Hsieh,  C.-S., 1990, “Order Reduction of Discrete-Time System Via Bilinear Routh Approximation,” ASME J. Dyn. Syst., Meas., Control, 112, pp. 292–297.
Choo,  Y., 2001, “Improved Bilinear Routh Approximation Method for Discrete-Time Systems,” ASME J. Dyn. Syst., Meas., Control, 123, pp. 125–127.

Figures

Grahic Jump Location
Comparison of unit-step responses
Grahic Jump Location
Comparison of frequency responses

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