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Title: Robust closed-loop controller auto-tuning
Authors: Wang, Qing-Guo 
Zhang, Yong
Guo, Xin 
Issue Date: 2000
Citation: Wang, Qing-Guo,Zhang, Yong,Guo, Xin (2000). Robust closed-loop controller auto-tuning. IEEE International Symposium on Intelligent Control - Proceedings : 133-138. ScholarBank@NUS Repository.
Abstract: In this paper, a simple yet robust closed-loop identification method is proposed, and an auto-tuner is then constructed. Using the FFT, the process frequency response is first calculated from the recorded process input and output time responses to the closed-loop test. Then the process step response is constructed using the inverse FFT. A general second-order plus dead time model is thus obtained using our newly developed technique on robust identification of process transfer function from step responses. Simulation examples and real time test show its effectiveness.
Source Title: IEEE International Symposium on Intelligent Control - Proceedings
Appears in Collections:Staff Publications

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