Robust digital redesign of uncertain linear systems using the interval bilinear approximation method

L. S. Shieh, J. Gu, J. S.H. Tsai

研究成果: Article同行評審

1 引文 斯高帕斯(Scopus)

摘要

This paper presents an interval bilinear approximation method to convert a continuous-time state-feedback robust control law to an equivalent discrete-time counterpart for robust digital control of a continuous-time uncertain system. For performing the digital redesign of a continuous-time uncertain system, the given continuous-time uncertain system is converted to a tightly bounded equivalent discrete-time uncertain model using the bilinear approximation method aided by the interval arithmetic operations. Also, utilizing the interval bilinear approximation method, the continuous-time robust control law is converted to an equivalent discrete-time interval control law. Applying this digitally redesigned control law, the states of the digitally controlled sampled-data uncertain system closely match those of the original continuous-time controlled uncertain system. A numerical example is presented to demonstrate the effectiveness of the proposed method.

原文English
頁(從 - 到)1667-1688
頁數22
期刊Control, theory and advanced technology
10
發行號4 pt 4
出版狀態Published - 1995 十一月 1

All Science Journal Classification (ASJC) codes

  • 工程 (全部)

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