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A multiple model adaptive control algorithm is proposed in this paper to solve whole-process control problem for 500 kW hydropower generators more accurately and reliably. It provides a new architecture of hybrid control. In the new architecture, the control scheme includes four parts: fast servo-control at the stage of generator start-up, fuzzy control of frequency and voltage on the period of quasi-synchronization, double closed-loop PID control and fixed power output control on power network. A simple logic inferential database based on system statues is used in the scheme. The real implementations show that the algorithm may, accurately and reliably, operate hydropower generators smoothly.
Intelligent Control and Automation, 2004. WCICA 2004. Fifth World Congress on (Volume:6 )
Date of Conference: 15-19 June 2004