Digital fuzzy logic controller: design and implementation

  • Authors:
  • M. J. Patyra;J. L. Grantner;K. Koster

  • Affiliations:
  • Dept. of Electr. & Comput. Eng., Minnesota Univ., Duluth, MN;-;-

  • Venue:
  • IEEE Transactions on Fuzzy Systems
  • Year:
  • 1996

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Abstract

In this paper, various aspects of digital fuzzy logic controller (FLC) design and implementation are discussed, Classic and improved models of the single-input single-output (SISO), multiple-input single-output (MISC), and multiple-input multiple-output (MIMO) FLCs are analyzed in terms of hardware cost and performance. A set of universal parameters to characterize any hardware realization of digital FLCs is defined. The comparative study of classic and alternative MIMO FLCs is presented as a generalization of other controller configurations. A processing element for the parallel FLC architecture realizing improved inferencing of MIMO system is designed, characterized, and tested. Finally, as a case feasibility study, a direct data stream architecture for complete digital fuzzy controller is shown as an improved solution for high-speed, cost-effective, real-time control applications