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中文摘要：
由于目前压电惯性驱动器普遍采用非对称性信号激励,驱动信号发生与控制系统复杂,该文提出采用对称电信号激励压电元件产生往复相同的惯性冲击力,通过控制机构和支撑面之间的摩擦力,使驱动器定向运动,形成有规律的新型压电惯性驱动器的研究方案。分析了驱动器的工作原理及结构特点,建立了驱动器的动力学模型,设计研制了基于V型导轨的摩擦变化式压电惯性驱动器样机并进行了仿真分析与试验测试,结果表明,提出的新型驱动器具有输出性能稳定,负载特性好,重复定位精度较高等特点。
英文摘要：
It is difficult to generate and control the driving signal of the existing inertial piezoelectric actuator because it is driven by the asymmetrical signal,so a newly inertial piezoelectric actuator is proposed based on controlling the change of the frictional force between the main body and the supporting surface.The working principle of the actuator is analyzed and the dynamic model is derived,a prototype inertial piezoelectric actuator based on V-type guide is fabricated.Relative experimental tests and simulation analysis are carried out.The experimental results show good agreement with simulation analysis.It can be also seen from the experimental results that the developed actuator features stable output performance,well load characteristics,high repetitive positioning accuracy and suitable for micro-driving application.
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