| 数控机床轮廓误差的插补预测补偿控制研究 |
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| 引用本文： | 滕福林,李宏胜,温秀兰,陈桂.数控机床轮廓误差的插补预测补偿控制研究[J].组合机床与自动化加工技术,2012(1):47-50. |
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| 作者姓名： | 滕福林 李宏胜 温秀兰 陈桂 |
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| 作者单位： | 南京工程学院自动化学院,南京,211100 |
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| 基金项目： | 江苏省高校自然科学基金项目(10KJD470001);南京工程学院科研基金(YKJ201004);江苏省自然科学基金项目(BK2009350);江苏省自然科学基金项目(BK2011689);江苏省高校自然科学基金项目(10KJD460001) |
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| 摘 要： | 伺服系统的基本原则是闭环控制,跟踪误差必然存在.如果多轴联动设备上使用伺服系统驱动进给轴,跟踪误差会引起加工轮廓误差.高精度数控机床要求轮廓误差越小越好.文章在定位过程中的伺服系统位置跟踪误差曲线等效成梯形曲线的基础上,从插补控制器着手研究跟踪误差的预测补偿控制.试验结果证明该控制方法简单有效.
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| 关 键 词： | 数控机床 轮廓误差 插补控制 预测补偿 |
Research on Inperpolation Forecast Compensation Control about Contour Error of CNC Machine |
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| TENG Fu-lin
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LI Hong-sheng
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WEN Xiu-lan
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CHEN Gui.Research on Inperpolation Forecast Compensation Control about Contour Error of CNC Machine[J].Modular Machine Tool & Automatic Manufacturing Technique,2012(1):47-50. |
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| Authors: | TENG Fu-lin LI Hong-sheng WEN Xiu-lan CHEN Gui |
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| Affiliation: | Automation Department of Nanjing Institute of Technology,Nanjin 211100,China) |
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| Abstract: | Closed-loop control is one of basic principles of servo system,which will produce tracking error.If the servo system is used in multi-axis motion control machine,such as CNC,contour error exists inevitably.High-performance CNC requires smallest contour-error value.In this paper,Position tracking error is equvalent to trapezium curve in a positioning process and a novel forecast compensation control method is proposed to decrease the contour error.The experimental results prove that the method is not only simple to realize but also practical. |
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| Keywords: | CNC contour error inperpolation control forecast compensation |
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