PID control of unstable systems having time delay

Shyh Hong Hwang, Shing Jia Shiu, Min Lang Lin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)


The identification of unstable systems with time delay is first addressed. Two limit points of conditional stability are characterized using a relay and a novel nonlinear function. Algorithms are developed to calculate the information based on excited stable limit cycles. A cascade PID control structure is then proposed to stabilize the system and achieve desirable performance.

Original languageEnglish
Title of host publicationECC 1997 - European Control Conference
PublisherInstitute of Electrical and Electronics Engineers Inc.
Number of pages6
ISBN (Electronic)9783952426906
Publication statusPublished - 1997 Apr 8
Event4th European Control Conference, ECC 1997 - Brussels, Belgium
Duration: 1997 Jul 11997 Jul 4

Publication series

NameECC 1997 - European Control Conference


Other4th European Control Conference, ECC 1997

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering


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