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Forward tilted water jet cutting can eliminate the cutting defects to improve some AWJ (Abrasive Water Jet) cutting performances. The paper studies the cutting quality prediction of a quasi-5-axis AWJ machine with an adjustable tilted workhead. Three prediction models are built based on approaches of discriminant classification, BP network, and PNN. The cutting quality is evaluated by the formalism...
Petri net (PN) transformation is a method for converting a net from one structure to another. The existing approaches are net content dependent, i.e., all elements of the right- and left-hand-side nets or the operand nets participate in matching and related operations during transformation. They incur high computational complexity and difficulty to predict the transformation results. Reduction and...
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