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Modeling and supervisory control design for a combined cycle power plant

Abokhatwa, Salah and Katebi, Reza (2012) Modeling and supervisory control design for a combined cycle power plant. In: IASTED International Conference ,Control and Application, 2012-06-18 - 2012-11-20.

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Abstract

The traditional control strategy based on PID controllers may be unsatisfactory when dealing with processes with large time delay and constraints. This paper presents a supervisory model based constrained predictive controller (MPC) for a combined cycle power plant (CCPP). First, a non-linear dynamic model of CCPP using the laws of physics was proposed. Then, the supervisory control using the linear constrained MPC method was designed to tune the performance of the PID controllers by including output constraints and manipulating the set points. This scheme showed excellent tracking and disturbance rejection results and improved performance compared with a stand-alone PID controller’s scheme.