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基于递推最小二乘算法的模糊系统在车削工件直径误差预测中的应用 被引量：2

PREDICTION OF DIAMETER ERROR OF WORKPIECE IN TURNING PROCESS USING FUZZY SYSTEM BASED ON RECURSIVE LEAST SQUARE ALGORITHM
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摘要 根据车削过程中工件直径误差的特点,采用基于递推最小二乘算法的模糊系统,预测车削过程中由弹性变形等因素引起的工件直径误差,通过递推最小二乘算法训练Mamdani型模糊系统,以确定合理的系统参数。根据工件直径误差与切削深度、进给量等的关系,设计车削实验,得到训练数据和测试数据,用训练数据训练模糊系统,进而用测试数据测试,误差较小,从而验证在一定的工件结构和工况条件下,用基于递推最小二乘算法的Mamdani型模糊系统进行车削工件直径误差预测的可行性。与回归分析进行比较,结果显示在一定的工件结构和工况条件下,基于递推最小二乘算法的Mamdani型模糊系统对于预测车削工件直径误差有比较明显的效果。 According to the characteristics of diameter error of workpiece in turning process,fuzzy system based on recursive least square algorithm was used to predicate diameter error of workpiece caused by elastic deformation.Mamdani fuzzy system was trained by recursive least square algorithm and the reasonable parameters of the system were determined.Based on the relationship between diameter error of workpiece and cutting parameters such as depth of cut,feed,etc.,turning experiment was designed to obtain the ori...
作者 王刚 张卫红
机构地区 西北工业大学现代设计与集成制造技术教育部重点实验室
出处 《机械强度》 CAS CSCD 北大核心 2010年第6期953-960,共8页 Journal of Mechanical Strength
基金 国家自然科学基金(51005182) 航空科学基金(2008ZE53038) 国家科技支撑计划(2008BAF32B04) 高等学校学科创新引智计划项目(B07050) 陕西省自然科学基础研究计划项目(2010JQ7011) 西北工业大学基础研究基金(JC200810)资助~~
关键词 工件直径误差 递推最小二乘算法 弹性变形 Mamdani型模糊系统 Diameter error of workpiece Recursive least square algorithm Elastic deformation Mamdani fuzzy system
分类号 TG51 [金属学及工艺—金属切削加工及机床]
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参考文献15

二级参考文献32

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共引文献37

同被引文献18

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机械强度
2010年 第6期

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