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JWJ > Volume 27(2); 2009 > Article
Journal of KWJS 2009 April;27(2) :57-62.
Published online May 18, 2009.
Optimization of Robot Welding Process of Subassembly Using Genetic Algorithm in the Shipbuilding
Ju-Yong Park, Jeong-Jin Seo, Hyun-Jin Kang


Correspondence:   Published online May 18, 2009
ABSTRACT
  This research was carried out to improve the productivity in the subassembly process of shipbuilding through optimal work planning for the shortest work time. The work time consist of welding time, moving time of gantry, teaching time of robot and robot motion time. The shortest work time is accomplished by even distribution of work and the shortest welding sequence. Even distribution of work was done by appling the simple algorithm. The shortest work sequence was determined by using GA. The optimal work planning decreased the total work time of the subassembly process by 4.1%. The result showed the effectiveness of the suggested simple algorithm for even distribution of work and GA for the shortest welding sequence.
Keywords: Shipbuilding;Assembly;Genetic algorithm;Even distribution of work;Shortest weldingsequence
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