Expert system for analysis of quality in production of electronics

Authors:
Mika Liukkonen;Elina Havia;Hannu Leinonen;Yrjö Hiltunen
Affiliations:
Department of Environmental Science, University of Kuopio, P.O. Box 1627, FIN-70211 Kuopio, Finland;3K-Factory of Electronics, Laitaatsillantie 3, FIN-57170 Savonlinna, Finland;3K-Factory of Electronics, Laitaatsillantie 3, FIN-57170 Savonlinna, Finland;Department of Environmental Science, University of Kuopio, P.O. Box 1627, FIN-70211 Kuopio, Finland
Venue:
Expert Systems with Applications: An International Journal
Year:
2011

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Abstract

Quality issues have become increasingly important in the production of electronics, especially when dealing with electronic products not assimilated to the mainstream of consumer electronics, but rather to the group of industrial electronic devices and machinery designed to last for years or even decades. In this paper, an intelligent optimization and modeling system for electronics production is demonstrated. The system exploits real production data and can be used to diagnose and optimize the manufacturing processes. It contains three modules consisting of appropriate mathematical tools specifically tailored to each task: (1) preprocessing, (2) variable selection, and (3) optimization modules. Moreover, concrete examples are presented from the latter two modules, by using a wave soldering process as a case study. Currently, the system works on the Matlab platform, but can be programmed into standalone software and automated in the future. The results illustrate that the system can offer an efficient tool for diagnostics and process optimization in the electronics industry.