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Large coal-fired power unit is a complex nonlinear system with more uncertainties to describe, evaluate and optimize. It is essential and difficult to determine the optimal targets in operation optimization of power units, especially considering the boundary constraints, operation conditions and system features. Fuzzy rough set (FRS)-based decision table reduction was introduced to clean the historian...
In this paper sample selection with rough set is proposed in order to compress the discernibility matrix of a decision table so that only minimal elements in the discernibility matrix are employed to find reducts. First relative discernibility relation of conditional attribute is defined, indispensable and dispensable conditional attributes are characterized by their relative discernibility relations...
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