System Identification and Control of FOPDT or SOPDT Processes

Jie Chen

doi:10.4028/www.scientific.net/AMR.317-319.2393

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 317-319System Identification and Control of FOPDT or...

System Identification and Control of FOPDT or SOPDT Processes

Abstract:

A relay feedback identification autotuning PID/PI is proposed in this paper which is capable of controlling long time-delay processes. The real process is approximated via FOPDT or SOPDT models, whose parameters are specified through a modified relay feedback identification method. Applying zero-pole cancellation principle, the PID/PI is tuned according to the specified amplitude and phase margins. Model identification and controller parameter tuning are done on-line without much influence on the normal operation.

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Periodical:

Advanced Materials Research (Volumes 317-319)

Pages:

2393-2397

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.317-319.2393

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Online since:

August 2011

Authors:

Jie Chen

Keywords:

Control, FOPDT, SOPDT, System Identification

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References

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