Modern control theory applications to liquid metal reactors

Several linear quadratic Gaussian compensator designs are applied to the Experimental Breeder Reactor-II subsystem models. The reactor power regulation and the drum-level control tasks are accomplished successfully using linear quadratic Gaussian (LQG) control design. The preliminary results indicated that the closed-loop system using LQG control exhibits reasonable performance compared with the classical approach. Under degraded conditions, the state estimation provides robust closed-loop behavior. The designs are implemented using the control design software Matrix and a low-order model of the Experimental Breeder Reactor-II (EBR-II)