Reference &  User Manual 
  Release Level 7.0 Release Date 2016 12 Revision Level beta  
Last modified on:   Monday, 15-Aug-16 16:45 CEST

Knowledge Base

XPS: backward-chaining rule-based expert system

The embedded rule-based expert system can serve a number of functions:
  • estimation of parameters, e.g., for simulation models, supporting the interactive Descriptor editor;
  • checking completeness, consistency, and plausibility of user specifications;
  • interpretation of complex (model generated) data sets, multi-criteria classification of variables and data sets;
  • real-time control (XPS)RT of scheduled and event-driven complex and conditional task sequences.

The expert system uses

  • Descriptors as its basic variables, which are linked and processed (backward chaining inference) in
  • Rules (first order, production RULES with arbitrary depth nesting).

Main System Components:

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