EVALUATION OF HARDSYS/HARDDRAW, AN EXPERT SYSTEM FOR ELECTROMAGNETIC INTERACTIONS MODELLING

Authors
  1. Dion, M.
Corporate Authors
Defence Research Establishment Ottawa, Ottawa ONT (CAN)
Abstract
The Department of National Defence and the National Research Council have sponsored the development of HardSys/HardDraw, an expert system for the modelling of electromagnetic interactions in complex systems. The report gives a description of HardSys/HardDraw and reviews the main concepts used in its design. Various aspects of its implementation, user interaction and modelling concepts are evaluated. Some deficiencies are identified and enhancements are proposed to overcome them. Concepts of uncertainty are reviewed and an approach using confidence factors and fuzzy arithmetic is developed. A new method relating both the frequency and time domains is presented and is applied for the calculation of failure index and shielding effectiveness.
Keywords
HARDDRAW;HARDSYS
Report Number
DREO-1175 —
Date of publication
01 May 1993
Number of Pages
60
DSTKIM No
94-04479
CANDIS No
139026
Format(s):
Hardcopy;Originator's fiche received by DSIS

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