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�������պ����ѧѧ�� 2007, Vol. 33 Issue (03) :366-369    DOI:
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1. �������պ����ѧ ��е���̼��Զ���ѧԺ, ���� 100083;
2. �й���ѧԺ ���㼼���о���, ���� 100080
Application of evolutionary strategy in layout optimization of non-scale engineering drawing
Li Jiangtao1, Liu Jinghua1, He Tao2*
1. School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100083, China;
2. Institute of Computing Technology, Chinese Academy of Sciences, Beijing 100080, China

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Abstract�� The problem of unscientific layout and inferior readability currently exists in the non-scale engineering drawing which is generated automatically. Constraint conditions of engineering drawing were analyzed taking pipeline assemble drawing for example. The layout problem was simplified into the length adjustment of pipeline segment, and a multi-object optimization mathematical model was raised based on objects decomposing. Applying evolutionary strategy to solve the non-linear programming mathematical model, the express of layout problem, the operators of recombination, mutation, selection and termination condition were discussed. Results indicate that this method can meet the needs of readability and efficiency of real project, and also can be generalized into other layout optimization which has topological connections.
Keywords�� non-scale engineering drawing   layout optimization   evolutionary strategy     
Received 2006-01-22;
About author: ���(1980-),��,ɽ��������,˶ʿ��,lijt@me.buaa.edu.cn.
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���, ������, ����.�����������ޱ�������ͼ�����Ż��е�Ӧ��[J]  �������պ����ѧѧ��, 2007,V33(03): 366-369
Li Jiangtao, Liu Jinghua, He Tao.Application of evolutionary strategy in layout optimization of non-scale engineering drawing[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2007,V33(03): 366-369
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