Robust Fuzzy Control of Hydro-Turbine Regulating System with Time-Varying Parameters and Random Disturbances
Authors
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College of Water Resources and Architectural Engineering, Northwest A&F University, Shaanxi Yangling 712100, ,CN
Fengjiao Wu -
College of Water Resources and Architectural Engineering, Northwest A&F University, Shaanxi Yangling 712100 ,CNXinyu Feng
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College of Water Resources and Architectural Engineering, Northwest A&F University, Shaanxi Yangling 712100 ,CNGuitao Zhang
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College of Water Resources and Architectural Engineering, Northwest A&F University, Shaanxi Yangling 712100 ,CNZhengzhong Wang
Keywords:
Hydro turbine regulating system, nonlinear control, random disturbances, robust fuzzy control, timevarying parametersAbstract
This paper studies the feasibility of robust fuzzy control of hydro turbine regulating systems (HTRSs). First, a mathematical model of the HTRS is presented. Then, to accommodate nonlinear vibrations, a novel fuzzy control method is designed for the HTRS. The method was built to process time-varying parameters and random disturbances to ensure robustness. The stability conditions of the HTRS are given as a set of linear matrix inequalities, and a detailed mathematical proof is presented that is easy to implement. Finally, the validity and superiority of the proposed method are shown by numerical simulations
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