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《Journal of Engineering Design》 2009-02
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Study on solving rectangular packing problem by utilizing improved lowest horizontal search algorithm

WANG Zhu-ting,LIU Lin,CHENG Hao,LIU Xin-bao(School of Management,Hefei University of Technology,Hefei 230009,China)  
Rectangular optimal packing problem is commonly faced by the production practice in manufacturing field.This paper intends to solve the problem by utilizing the lowest horizontal search algorithm.First,the paper analysis the defects of the original lowest horizontal search algorithm,and then design an evaluation function for it.During the packing procedure,the one with highest value will be chosen and packed in the current position after all the items to be packed being evaluated by the function,which overcomes the randomness of the search process and optimizes the search direction.The experimental results show that the improved algorithm gives better placement pattern.In addition,the larger the problem is,the better the algorithm will perform.Therefore,the improved algorithm is suitable for solving large scale packing problems.
【Fund】: 国家高技术研究发展计划(863计划)资助项目(2006AA04Z134)
【CateGory Index】: TP301.6
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