Expert system capable of meeting real time constraints

Details Expert system capable of meeting real time constraints Expert system capable of meeting real time constraints

1992-11-27

1995-05-02

Downs, Robert W.

395 11, 395916, 395917, G08C 2500, G06F 1520, H04B 1700

Patent

active

054127530

ABSTRACT:
An expert system capable of meeting real time constraints for solving a problem on the basis of a flow of input messages concerning the operation and the status of a network of machines, this status changing with time, includes a filter module detecting in real time significant events on the basis of input messages, each significant event being a manifestation of a problem, as judged by a human expert. A database stores all input messages, the significant events defined by the filter module, intermediate data produced by the expert system, data constituting a model of the network of machines and archives relating to problems processed previously, whether solved or not. A reasoning module comprises a set of rules divided into a plurality of subsets called specialists and each comprising knowledge provided by a human expert required to process part of a problem, specialists being capable of executing in parallel without blocking each other, and a command system for selecting and executing specialists according to heuristic rules provided by a human expert and making a decision or declaring that a decision is impossible at the end of a predetermined time period in respect of a problem represented by significant events communicated to the reasoning module by the filter module. A graphical interface is provided for human/expert system communications. An expert assistant module supplies a human expert with data stored in the database.

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