Output feedback control of an unstable CSTR with measurement delay: A comparative study

研究成果: Article同行評審

2 引文 斯高帕斯(Scopus)

摘要

This paper presents several comparative results for three output feedback controllers, i.e., proportional-integral (PI) control, state-space formulation of nonlinear internal model control (NIMC), and dynamic output feedback control (DOFC), for exothermic parallel reactions in a continuously stirred tank reactor. Under the known measurement delay, initial operating points, and multiplicity behavior of the process, the linear PI controller with the Z-N tuning method can provide the no offset performance for set point change and disturbance rejection. Since the NIMC design incorporates an open-loop model, the output regulation of an unstable system may be obviously degraded within large operating region. The DOFC design which combines a dynamic state feedback through Fliess' linearization algorithm with a nonlinear Luenberger-type observer can provide a smooth and stable regulation response in an arbitrary operating region. With the aid of a complete theoretical analysis, it is also found that the DOFC design is robust to uncertainty and measurement delay.

原文English
頁(從 - 到)X4-37
期刊Journal of the Chinese Institute of Chemical Engineers
29
發行號1
出版狀態Published - 1998 十二月 1

All Science Journal Classification (ASJC) codes

  • 化學 (全部)
  • 化學工程 (全部)

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