Automation of Decision-Making When Designing the Saw Unit of a Multirip Bench Using the Multiple-Criteria Approach

This article examines the multiple-criteria design of the saw unit of a multirip bench in the framework of the product lifecycle management (PLM) concept. Based on the requirements to the machine for various stages of its life cycle, a mathematical model of the saw unit is created that includes eight control parameters, nine functional constraints and nine quality criteria. To support decision-makers, a visual interactive analysis method (VIAM) is developed that is based on the ideas of classical decision-making methods. Using VIAM, it is possible to define and control the zone of acceptable values of the quality criteria, evaluate their mutual influence and indicate the rational criteria constraints, under which there are agreed design options. With the help of the proposed method, rational agreed design solutions for the saw unit are found that meet the requirements of various multirip bench specialists. Recommendations for further improvement of the multirip bench are given. The results of calculations in NX Nastran confirm the advantages of the rational schemes of the saw unit developed with the help of VIAM.

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