Abstract
Controlling of large nuclear reactors is a challenging task due to the simultaneous presence of both the slow and the fast varying dynamic modes. However, as demonstrated in this chapter, the two-time-scale property of the system can be taken advantage of. In particular, the design of linear quadratic regulator for spatial power control of Advanced Heavy Water Reactor (AHWR) has been presented in this chapter. The singularly perturbed two-time-scale model of AHWR is decomposed into two comparatively lower order subsystems, namely, slow and fast subsystems of orders 73 and 17, respectively. Two individual optimal controllers are developed for both the subsystems and then a composite controller is obtained for original higher order system. This composite controller is applied to the vectorized nonlinear model of AHWR. From dynamic simulations of the nonlinear model of the reactor in representative transients, the suggested control scheme is found to be superior to other methods.
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Munje, R., Patre, B., Tiwari, A. (2018). State Feedback Control Using Linear Quadratic Regulator. In: Investigation of Spatial Control Strategies with Application to Advanced Heavy Water Reactor. Energy Systems in Electrical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-10-3014-7_4
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DOI: https://doi.org/10.1007/978-981-10-3014-7_4
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