合成灰色关联理论的热点优化机床

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合成灰色关联理论的热点优化机床热误差补偿中的应用


为大家介绍一篇关于机床制造的外文,翻译摘要,说明出处及参考文献,希望对业内同行有所帮助,另如果需要更多资讯,请登录成海万能铣床http://www.chjc.cn.
国际先进制造技术杂志
2009八月,43卷,问题11,PP 1124-1132
摘要
本文提出了两种新的方法来优化最小热传感器数目的选择机床热误差补偿。这两种方法,即,直接标准法和间接的分组方法,基于灰色关联理论的合成。他们是用来分析空气切削实验在数控车削中心的数据。优化后,热点的数量从16减少到四。因此,机床热误差建模,温度变量的数目而温度变量之间的耦合问题可大大降低。一个真正的切割实验进行了实际生产条件下,验证所提出的优化方法的效率。优化后的模型结果之间的所有16个热传感器和四最佳热传感器的模型表明,比较,模型精度大大提高。


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