期刊文献+

压电电压反馈控制在异形销孔镗削中的应用 被引量:3

The Application of Piezoelectric Voltage Feedback Control in Noncircular Pinhole Boring
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摘要 依据异形销孔加工的现状,采用压电陶瓷驱动的柔性铰链机构实现镗刀的径向微位移.根据活塞异形销孔几何特征和压电陶瓷驱动器控制精度高、刚性好和高频响特点及其具有的传感功能,提出了压电电压反馈的控制系统,并在该系统中引入重复控制和干扰通道的开环前馈控制,从而提高了系统的稳定性和跟踪精度.实验表明,加工精度可达3μm. According to the necessity of non-circular piston pinhole and actuality of machining, a piezoelectric actuator driven micro-displacement mechanism was put forward to achieve the feeding of boring tool. On the basis of geometric features of piston pinhole and the characteristics of piezoelectric actuators, which have infinite resolution, high stiffness, high frequency and its sensor function, a piezoelectric voltage feedback control system was put forward. Meanwhile, a feed-forward controller in open-loop disturbance channel and a repetitive controller were also introduced into the system. As a result, the robustness and tracking precision of the system are bettered. It is shown by experiments that 3-micron machining accuracy can be achieved.
出处 《上海交通大学学报》 EI CAS CSCD 北大核心 2005年第1期105-107,112,共4页 Journal of Shanghai Jiaotong University
基金 国家自然科学基金资助项目(50175072)
关键词 压电电压反馈 异形销孔 重复控制 前馈控制 镗削 piezoelectric voltage feedback non-circular pinhole repetitive control feed-forward control boring
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参考文献3

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同被引文献16

  • 1刘红军,韩璞,孙海蓉,姚万业.基于内模控制的PID控制器的设计[J].计算机仿真,2005,22(3):207-210. 被引量:27
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