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    초록·키워드

    This paper describes a development of high speed fuzzy inference circuit for the industrial processes. The hardware fuzzy inference circuit is developed utilizing a DSP and a multiplier and accumulator chip. To enhance the inference speed, the pipeline design is adopted at the bottleneck and the general Max-Min inference method is slightly modified as Max-Min-Max method. As a results, the inference speed is evaluated to be 100 KFLIPS. Owing to this high speed feature, satisfactory application can be attained for complex high speed motion control as well as the control of multi-input multi-output nonlinear system. As an application, the developed fuzzy inference circuit is embedded to a PLC (Programmable Logic Controller) for industrial process control. For the fuzzy PLC system, to facilitate the design of the fuzzy control knowledge such as membership functions, rules, etc., a MS-Windows based GUI ( Graphical User Interface ) software is developed.

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      UCI(KEPA) : I410-ECN-0101-2009-555-016830598