Abstract

The paper discusses an on-line computer control system for a nuclear reactor using optimal state feedback based on the linear quadratic regulator and state estimation using a Kalman filter. Practical methods are presented for selecting the gain of the state estimator. It is shown that when pure time delays occur in the output states it is possible to use the Kalman filter to virtually eliminate the effects of the time delay on the control loop performance. The experimental results obtained using the control scheme show that the control scheme designed using modern control techniques has improved performance compared with conventional reactor control methods having greater speed of response, wider stability margins and significantly improved noise filtering properties

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