This paper presents a solution methodology for the optimal placement of convectively and conductively air-cooled electronic components on planar printed wiring boards considering thermal and electrical/cost design objectives. The methodology combines the use of a heat transfer solver for the prediction of the temperature distribution among the electronic components and a genetic algorithm for the adaptive search of optimal or near optimal solutions and a multiobjective optimization strategy (Pareto optimization and multiattribute utility analysis). After proper validation of the elements of the solution methodology (heat transfer solver/genetic algorithm) in isolation, the methodology under consideration is tested using a placement problem (case study) that considers as optimization criteria the minimization of an estimate of the failure rate of the system of components due to thermal overheating (via an Arrhenius relation) and the minimization of the total wiring length given some interconnectivity requirements. Results corresponding to the case study are presented and discussed for both Pareto optimization and multiattribute utility analysis. [S1043-7398(00)00801-X]
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June 2000
Technical Papers
Multiobjective Optimal Placement of Convectively and Conductively Cooled Electronic Components on Printed Wiring Boards
Nestor V. Queipo,
Nestor V. Queipo
Applied Computing Institute, Faculty of Engineering, University of Zulia, Maracaibo, Zulia 4011-A-526, Venezuela
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Guy F. Gil
Guy F. Gil
School of Mechanical Engineering, Faculty of Engineering, University of Zulia, Maracaibo, Zulia 4011-A-526, Venezuela,
Search for other works by this author on:
Nestor V. Queipo
Applied Computing Institute, Faculty of Engineering, University of Zulia, Maracaibo, Zulia 4011-A-526, Venezuela
Guy F. Gil
School of Mechanical Engineering, Faculty of Engineering, University of Zulia, Maracaibo, Zulia 4011-A-526, Venezuela,
Contributed by the Electrical and Electronic Packaging Division for publication in the JOURNAL OF ELECTRONIC PACKAGING. Manuscript received by the EEPD July 10, 1999; revision received October 20, 1999. Associate Technical Editor: A. Ortega.
J. Electron. Packag. Jun 2000, 122(2): 152-159 (8 pages)
Published Online: October 20, 1999
Article history
Received:
July 10, 1999
Revised:
October 20, 1999
Citation
Queipo, N. V., and Gil, G. F. (October 20, 1999). "Multiobjective Optimal Placement of Convectively and Conductively Cooled Electronic Components on Printed Wiring Boards ." ASME. J. Electron. Packag. June 2000; 122(2): 152–159. https://doi.org/10.1115/1.483148
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