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Research Papers

A Co-Evolution Model for Prediction and Synthesis of New Products and Manufacturing Systems

[+] Author and Article Information
Tarek AlGeddawy

Intelligent Manufacturing Systems Centre,  University of Windsor,Windsor, Ontario, N9B 3P4, Canadaalgedd@uwindsor.ca

Hoda ElMaraghy

Intelligent Manufacturing Systems Centre,  University of Windsor,Windsor, Ontario, N9B 3P4, Canadahae@uwindsor.ca

J. Mech. Des 134(5), 051008 (Apr 25, 2012) (12 pages) doi:10.1115/1.4006439 History: Received July 26, 2011; Revised March 01, 2012; Published April 24, 2012; Online April 25, 2012

A model for predicting the future codevelopment of new products and manufacturing systems is presented. The model incorporates a set of manufacturing co-evolution hypotheses that promote association between manufacturing systems and product variants throughout their shared evolution courses based on a biological analogy. It shows the impact of the different co-evolution states particularly the imperfect co-evolution, which can be remedied by predicting new systems and products. A novel mathematical technique for co-evolution knowledge synthesis is used to analyze the relationships between manufacturing capabilities and product features and discover the human synthesis knowledge implicit in their codevelopment. A set of rules and linear system of equations is formulated to discover such knowledge. The co-evolution model is mathematically established using Cladistics and trees reconciliation techniques that are used extensively in Biology. The model is validated by data sets of milling machine tools and the corresponding machined prismatic parts. The application of the developed model yields suggested directions for the future planning and development of the analyzed machine tools and potential new products features, products and variants that would further sustain and prolong the useful life of the current manufacturing capabilities and systems.

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Copyright © 2012 by American Society of Mechanical Engineers
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References

Figures

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Figure 1

IDEF0 of the co-evolution model in manufacturing

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Figure 2

Parsimony analysis

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Figure 3

Trees reconciliation and cladograms comparison

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Figure 4

Planning manufacturing future

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Figure 5

Predictions made through perfecting manufacturing co-evolution

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Figure 6

Best matching pair of classification trees of systems/products

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Figure 7

The studied machine tools and variants from their corresponding composite parts

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Figure 8

An example for a three-axis CNC machining center SCC code—regenerated from Ref. [24]

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Figure 9

A prismatic part OPITZ-code example - regenerated from Ref. [25]

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Figure 10

A four-axis vertical milling machine [4] and corresponding part

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Figure 11

Best matching pair of classification trees of studied milling machines and machined parts

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Figure 12

Restoring equilibrium state by future co-evolution predictions

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Figure 13

The predicted machines and parts in relation to current co-evolution state

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