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Title: A hybrid genetic algorithm for sequencing PCB component placement
Authors: Ho, W
Ji, P 
Keywords: Printed circuit board assembly
Component placement sequencing
Chip shooter machines
Genetic algorithms
Issue Date: 2005
Publisher: IOS Press
Source: International journal of knowledge-based and intelligent engineering systems, 2005, v. 9, no. 2, p. 129-136 How to cite?
Journal: International journal of knowledge-based and intelligent engineering systems 
Abstract: A chip shooter machine for electronic components assembly has a movable feeder carrier holding components, a movable X-Y table carrying a printed circuit board (PCB), and a rotary turret having multiple assembly heads. This paper presents a hybrid genetic algorithm to optimize the sequence of component placements for a chip shooter machine. The objective of the problem is to minimize the total traveling distance of the X-Y table or the board. The genetic algorithm developed in the paper hybridizes the nearest neighbor heuristic, and an iterated swap procedure, which is a new improved heuristic. We have compared the performance of the hybrid genetic algorithm with that of the approach proposed by other researchers and have demonstrated our algorithm is superior in terms of the distance traveled by the X-Y table or the board.
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