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A Heuristic Approach to Placement Sequence Identification for SMT

A Heuristic Approach to Placement Sequence Identification for SMT Surface mount technology SMT is being increasingly used in printed circuit board PCB assembly. The reduced lead pitch of surface mount components coupled with their increased lead count and packing densities have made it imperative that automated placement methods be used. However, the SMT placement process is often a bottleneck in surface mount manufacturing. A reduction in placement time in SMT will enhance throughput and productivity. This paper describes the design and development of a prototype expert system based approach which identifies near optimal placement sequences for surface mount PCBs in almost realtime. The software structure used integrates a knowledge based system with an optimisation module. PROLOG is the language used in this research. The system was rigorously validated and tested. Ideas for further research are also presented. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Soldering & Surface Mount Technology Emerald Publishing

A Heuristic Approach to Placement Sequence Identification for SMT

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References (8)

Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0954-0911
DOI
10.1108/eb037823
Publisher site
See Article on Publisher Site

Abstract

Surface mount technology SMT is being increasingly used in printed circuit board PCB assembly. The reduced lead pitch of surface mount components coupled with their increased lead count and packing densities have made it imperative that automated placement methods be used. However, the SMT placement process is often a bottleneck in surface mount manufacturing. A reduction in placement time in SMT will enhance throughput and productivity. This paper describes the design and development of a prototype expert system based approach which identifies near optimal placement sequences for surface mount PCBs in almost realtime. The software structure used integrates a knowledge based system with an optimisation module. PROLOG is the language used in this research. The system was rigorously validated and tested. Ideas for further research are also presented.

Journal

Soldering & Surface Mount TechnologyEmerald Publishing

Published: Feb 1, 1993

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