Zero-order TS fuzzy model to predict hydro turbine speed in closed loop operation

Authors:
Nand Kishor
Affiliations:
Department of Electrical Engineering, Motilal Nehru National Institute of Technology Allahabad, Allahabad 211004, India
Venue:
Applied Soft Computing
Year:
2008

Citing 3
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Abstract

This paper addresses the development of new hydro plant model using a zero-order Takagi-Sugeno (TS) fuzzy approach. The control signal and turbine speed are identified as input-output variable of the plant. The said model is determined with two fuzzy sets using data generated from widely accepted second-order H-infinity and Pade transfer function (TF) plant model operating in closed loop through digital PID control. The parameters in fuzzy inference system are adaptively tuned using gradient-descent optimization technique. The performance of identified zero-order TS fuzzy model is demonstrated accurately and thus suitable for turbine speed dynamics study.