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数控强力切削伺服进给系统的谐振机理研究 被引量:4

A study on resonance mechanism for servo drive in CNC heavy cutting
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摘要 文章介绍了数控强力切削伺服进给系统的模型的建立 ,并将此模型简化成由两个二阶振荡环节和一个积分环节串联而成的五阶系统。通过对五阶系统的分析表明数控强力切削伺服进给系统的谐振频率取决于机械谐振频率和速度环谐振频率中较低的一个。最后给出的计算机仿真和实验结果验证了上述结论 ,为数控伺服系统的谐振分析提供了一种新的方法。 This paper models servo drive system in CNC heavy cutting, and simplifies it to a fifth-order system that is cascaded of two second-order oscillation systems and one integral system. This system indicates that the resonance frequency of servo drive in CNC heavy cutting is equal to the lower one of mechanism and speed loop resonance frequency. At last, the results of computer simulation and experiment are presented, they not also prove the above conclusion, but also offer a new way to analyze resonance for servo drive.
出处 《组合机床与自动化加工技术》 北大核心 2004年第9期38-40,49,共4页 Modular Machine Tool & Automatic Manufacturing Technique
基金 江苏省高校自然科学基金项目 (0 2KJB460 0 0 1 )
关键词 谐振 数控强力切削 仿真 resonance CNC heavy cutting simulation
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参考文献3

  • 1Dutcher, J L.: Servo Drives for Numerically Controlled Machines,Proceedings of the Eighth Annual Meeting and Technical Conference of the Numerical Control Society, 1971
  • 2George J. Wakileh. Harmonics in rotating machines. Electric Power Systems Research 66 (2003) 31/37
  • 3孙汉卿.数控机床维修技术[M].北京:机械工业出版社,2001..

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