Dynamic System Visualization with Rough Performance Maps

  • Authors:
  • James J. Alpigini;James F. Peters

  • Affiliations:
  • -;-

  • Venue:
  • RSCTC '00 Revised Papers from the Second International Conference on Rough Sets and Current Trends in Computing
  • Year:
  • 2000

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Abstract

This paper presents an approach to visualizing a system's dynamic performance with rough performance maps. Derived from the Julia set common in the visualization of iterative chaos, performance maps are constructed using rule evaluation and require a minimum of à priori knowledge of the system under consideration. By the use of carefully selected performance evaluation rules combined with color-coding, they convey a wealth of information to the informed user about dynamic behaviors of a system that may be hidden from all but the expert analyst. A rough set approach is employed to generate an approximation of a performance map. Generation of this new rough performance map allows more intuitive rule derivation and requires fewer system parameters to be observed.