제어로봇시스템학회:학술대회논문집

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Two-Input Max/Min Circuit for Fuzzy Inference System

  • P. Laipasu (King Mongkut´s Institute of Technology Ladkrabang) ;
  • A. Chaikla (King Mongkut´s Institute of Technology Ladkrabang) ;
  • A. Jaruwanawat (King Mongkut´s Institute of Technology Ladkrabang) ;
  • P. Pannil (King Mongkut´s Institute of Technology Ladkrabang) ;
  • Lee, T. (King Mongkut´s Institute of Technology Ladkrabang) ;
  • V. Riewruja (King Mongkut´s Institute of Technology Ladkrabang)
  • Published : 2001.10.01
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Abstract

In this paper, a current mode two-input maximum (Max) and minimum (Min) operations scheme, which is a useful building block for analog fuzzy inference systems, is presented. The Max and Min operations are incorporated in the same scheme with parallel processing. The proposed scheme comprises a MOS class AB/B configuration and current mirrors. Its simple structure can provide a high efficiency. The performance of the scheme exhibits a very sharp transfer characteristic and high accuracy. The proposed scheme achieves a high-speed operation and is suitable for real-time systems. The simulation results verifying the performances of the scheme are agreed with the expected values.

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