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Optimum Design Approach To Fixture Synthesis For 3d 三维夹具综合的优化设计方法
发布日期: 1999-11-01
本文提出了一种新的方法来解决三维工件的夹具综合问题。该方法基于优化实验设计的概念,重点关注夹具定位工件的定位精度。在使用D-最优性准则来最小化工件定位误差时,开发了一种有效的顺序构造程序。提出了两种顺序优化设计算法,从给定工件表面上大量固定点的初始集合中选择最优定位点,并实现形状优化- 这部分的结尾。通过实例说明了该方法的有效性。
In this article a novel approach is presented to the problem of fixture synthesis for 3D workpieces. The approach is based on a concept of optimum experiment design with a focus on positioning accuracy of workpiece localization by the fixture. In using the D-optimality criterion to minimize the workpiece positioning error, an efficient sequential construction procedure is developed. Two sequential optimal design algorithms are presented, which select optimal locators from an initial collection of a large number of fixel locations on the surfaces of the given workpiece and achieve form-closure for the part. Examples are presented to illustrate the effectiveness of the proposed approach.
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发布单位或类别: 日本-日本船用装置工业会
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