Based On Rough Set Theory And Fuzzy Logic Washing Machine Fuzzy Control System Applied Research

Rough sets and fuzzy logic are uesful tools for studying knowledges of an imperfect and inaccurate information system, while the aim of rough sets is to solve the problems of the information systems with knowledge indiscernibility and the aim of fuzzy logic is to solve the problem of the information systems with knowledge fuzzy. Based on their own characteristics, rough sets are combined with fuzzy logic to do control in industrial washing machines so that approximation problems and fuzzy control similar problems can be solved by mean of the concept of fuzzy rough set.The topic of paper is based on the project of"Pattern recognition method based on integrated intelligent"which is supported by basis application research project of the Sichuan provincial. In this paper, the basical theory of rough set and fuzzy logic is introduced. The shortcoming of fuzzy logic in zhe data process is analysed. According to the method of fuzzy evaluation combined rough sets is presented to analysis the actual data and system control on the basis of the knowledge of a given problem. Fuzzy rough set divide the problem into different domain to maintain the ability of the same classification.The main works in this paper are as follows:1 A control system is referred as a knowledge representation system which can be simplified as far as possible the expression of knowledge to handle the data of imperfect and inaccurate information by way of rough sets. The control system simplified can ensure same knowledge representation of a control system system.2 Studies on applications of the industrial washing machines in intelligent control.3 Studies on a control system based on fuzzy rough set .In this paper, the innovation is that fuzzy logic technology is combined with rough sets on the basis of the knowledge of a given problem. The ability to maintain the same classification is ensured by a knowledge representation system simplified by means of rough sets. An industrial washing machines is illustrated as an intelligent control by fuzzy rough set. The charater of the clothing, the number of clothing, the human washing mode and so on is washing clothes bases for fuzzy control rules in the process of washing machines control. The fuzzy evaluation judges the levels of indicators in the control subroutine of washing machines. Fuzzy control rules is induced by fuzzy logic. The elements of control system is simplified by using of rough sets to reduce the input redundant conditions.Finally, the feasibility of an industrial washing machines fuzzy control system based on rough sets and fuzzy logic is proven by the results of simulation.