Abstract
Compared to other steps in CAPP, decision of a processing scheme representing a real challenge for engineers. However, this problem was hitherto not solved completely. Started by proposing definitions of Petri net system and T_ invariants, a fuzzy rule-based Petri net model is then presented, which allows for machining part surface according to the principle of Petri net and the production rule. Afterwards, a new selective processing program is stated, which is so-called T_ invariants generation, considering the constraints in manufacturing resources. Research of a real case was finally carried out as an illustration, which shows that the best/hypo-best processing plans for part surface can be obtained by using of the proposed decision-making method.
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