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KMID : 0371819970290010068
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Nuclear Engineering and Technology
1997 Volume.29 No. 1 p.68 ~ p.77
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Determination of the Weighting Parameters of the LQR System for Nuclear Reactor Power Control Using the Stochastic Searching Methods
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Lee Yoon-Joon
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Abstract
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The reactor power control system is described in the fashion of the order increased LQR system. To obtain the optimal state feedback gain vectors, the weighting matrix of the performance function should be determined. Since the conventional method has some limitations, stochastic searching methods are investigated to optimize the LQR weighting matrix Using the modified genetic algorithm-combined with the simulated annealing, a new optimizing tool named the hybrid MGA-SA is developed to determine the weighting parameters of the LQR system. This optimizing tool provides a more systematic approach in designing the LQR system. Since it can be easily incorporated with any forms of the cost function, it also provides the great flexibility in the optimization problems.
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