New PID identification algorithm based on frequency scaling

Two faulted equations in the Yuwana and Seborg PID tuning algorithm are analyzed. Simulation results show that the corrected method has an inability to provide a suitable tuning identification even for systems with a somewhat large delay. It is pointed out that the large delay problem mainly comes f...

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Bibliographic Details
Main Authors: Byung-Suhl Suh, Dong-Kyun Lim
Format: Conference Proceeding
Language:English
Subjects:
Algorithm design and analysis
Delay effects
Educational institutions
Equations
Frequency
Parameter estimation
Proportional control
Testing
Transfer functions
Tuning
Online Access:Request full text
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Summary:Two faulted equations in the Yuwana and Seborg PID tuning algorithm are analyzed. Simulation results show that the corrected method has an inability to provide a suitable tuning identification even for systems with a somewhat large delay. It is pointed out that the large delay problem mainly comes from the overestimated value of the delay time parameter of the process model for its identification. A new PID tuning identification algorithm based on the change of frequency scale is developed to solve it.
DOI:10.1109/MWSCAS.1997.666224