Ji Liang1, Zhihuan Chen2,*, Xiaohui Yuan1,3,*, Binqiao Zhang3, Yanbin Yuan4
CMES-Computer Modeling in Engineering & Sciences, Vol.123, No.2, pp. 603-629, 2020, DOI:10.32604/cmes.2020.09328
Abstract Terminal sliding mode controller method is introduced to enhance the
regulation performance of the hydraulic turbine governing system (HTGS). For
the purpose of describing the characteristics of controlled system and deducing
the control rule, a nonlinear mathematic model of hydraulic turbine governing
system with bifurcated penstocks (HTGSBF) under control input saturation is
established, and the input/output state linearization feedback approach is used
to obtain the relationship between turbine speed and controller output. To address
the control input saturation problem, an adaptive assistant system is designed to
compensate for controller truncation. Numerical simulations have been conducted
under fixed point stabilization and… More >
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