Rule fitness determination, rule removal, and new rule generatio

Details Rule fitness determination, rule removal, and new rule generatio Rule fitness determination, rule removal, and new rule generatio

1992-03-27

1994-07-12

MacDonald, Allen R.

B23Q 1504, G11C 1100

Patent

active

053296125

ABSTRACT:
Disclosed is a processing apparatus capable of optimizing its rule base comprising a plurality of rules having an antecedent and a consequent each. The antecedent contains input conditions of machining, and the consequent describes the result of machining. The antecedents are applied to input condition data. The consequents of the applied rules yield machining result data that are evaluated for rule fitness. When the rule base is updated, some rules are deleted and some preserved depending on their degrees of fitness. Between given two rules having the same consequent, any number of corresponding conditional elements in their antecedents are exchanged so as to generate new rules. The process is repeated until the rule base is optimized. With the antecedents of rules applied to input condition data and with the consequents of the applied rules yielding machining result data, those data may be modified according to modification request data. The consequents of rules are applied to the modified machining data, and the antecedents of these applied rules furnish corrective input condition data. This backward application of rules is an easy way to obtain corrective input condition data.

REFERENCES:
patent: 5079718 (1992-01-01), Tanaka
patent: 5189728 (1993-02-01), Yamakawa et al.

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