Digital redesign of the cascaded continuous-time controller. Time-domain approach

Jason Sheng-Hon Tsai, C. M. Chen, L. S. Shieh

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A digital redesign for the digital implementation of the existing continuous-time cascaded controller is presented. The proposed method is based on the use of the block-pulse function and the development of the ideal state reconstructor. Even though the state of the controlled system cannot be obtained by a direct measurement, the state variables can be reconstructed from the measurements of inputs and outputs, such that a digitally redesigned cascaded controller can be implemented. It is shown that the method proposed via this time-domain approach is suitable for computer programming, and it is superior to the commonly used frequency-domain bilinear transform method. An illustrative example is shown to demonstrate the effectiveness of the proposed method.

Original languageEnglish
Pages (from-to)643-661
Number of pages19
JournalControl, theory and advanced technology
Volume7
Issue number4
Publication statusPublished - 1991 Dec 1

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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