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Research and application of a new predictive control based on state feedback theory in power plant control system

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4 Author(s)
Hua Zhi-gang ; Southeast Univ., Nanjing ; Hua Hua ; Lu Jian-hong ; Zhang Tie-jun

Reheat steam temperature of the boiler in power plant is the important parameter of unit security and economical run. This paper proposed a new dynamic matrix control based on state feedback theory, for the large inertia and large delay characteristic of the reheat steam temperature plant. The principle is to compensate the large inertia and delay characteristic of the plant by state feedback theory, then to control the generalized plant by predictive control. In this paper the design of controller is introduced. The simulation results demonstrate that the new control system has good robustness and transient performance. And the practical results show that the satisfactory control results have been achieved. So it is an effective control strategy for large delay industry process. Now it has been successfully applied to reheat steam temperature control system in power plant.

Published in:

Evolutionary Computation, 2007. CEC 2007. IEEE Congress on

Date of Conference:

25-28 Sept. 2007