Approximate z transform using higher-order integrators and its applications in sampled-data control systems

研究成果: 雜誌貢獻期刊論文同行評審

6 引文 斯高帕斯(Scopus)

摘要

In this paper, we first clarify the difference between the approximate z transform and the discrete equivalent of a continuous system using higher-order integrators. It is shown that a 1/ ts factor needs to be included for the approximate z transform but not for the discrete equivalent. We further apply the approximate z transform to facilitate the stability analysis of sampled-data control systems, with or without uncertain parameters, ft is shown in this paper that the approximate z transform greatly simplifies the stability analysis of a sampled-data control system, which is regarded as rather difficult (if not impossible) to handle because of its transcendental nature. The results can be easily obtained and show reasonably good approximations with this approach. Several examples are used to illustrate the effectiveness of this new method.

原文英語
頁(從 - 到)595-604
頁數10
期刊International Journal of Systems Science
29
發行號6
DOIs
出版狀態已發佈 - 1998 六月

ASJC Scopus subject areas

  • 控制與系統工程
  • 理論電腦科學
  • 電腦科學應用

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