A novel linear quadratic observer and tracker for the linear sampled data regular system with a direct feedthrough term: A digital redesign approach

Chia Hsing Chen, Jason S.H. Tsai, Ming Jer Lin, Shu Mei Guo, Leang San Shieh

研究成果: Article同行評審

2 引文 斯高帕斯(Scopus)

摘要

This paper develops a novel linear quadratic observer and tracker for the linear sampled data regular system with a direct transmission term from input to output. At the beginning, we use some existing techniques to decompose the singular system into an equivalent regular system which has a direct transmission term from input to output. Then, based on this equivalent regular system, a high-gain optimal linear quadratic analogue observer and tracker is proposed, so that it can effectively induce a high-quality performance on the trajectory-tracking design and the state estimation. Besides, the prediction-based digital redesign method is utilized to obtain a relatively low-gain and implementable digital tracker and observer from the theoretically well-designed high-gain analogue observer and tracker for the linear sampled data regular system with a direct transmission term from input to output. Several illustrated examples are given to demonstrate the performance and effectiveness of the proposed method.

原文English
頁(從 - 到)129-154
頁數26
期刊IMA Journal of Mathematical Control and Information
30
發行號1
DOIs
出版狀態Published - 2013 3月

All Science Journal Classification (ASJC) codes

  • 控制與系統工程
  • 控制和優化
  • 應用數學

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