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首页> 外文期刊>Mechanical systems and signal processing >Development And Dynamic Modelling Of A Flexure-based Scott-russell Mechanism For Nano-manipulation
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Development And Dynamic Modelling Of A Flexure-based Scott-russell Mechanism For Nano-manipulation

机译：基于挠曲的纳米操纵斯科特-罗素机理的开发和动态建模

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This paper presents the design methodology and dynamic modelling of a piezo-driven flexure-based Scott-Russell mechanism for nano-manipulations. Based on finite element analysis, the Scott-Russell mechanism is monolithically constructed to provide high positioning accuracy and long-term repeatability. With consideration for the effect of the driving circuit, the dynamic model of the flexure-based Scott-Russell mechanism is established. The influence of the time constant RC on the dynamic response is investigated. The transient responses of the flexure-based Scott-Russell mechanism to three typical signals are derived based on the Laplace transform method. It is noted that the cycloidal command signal can generate vibration-free motion, and thus improve the dynamic performance of the flexure-based mechanism. Experimental tests have been carried out to verify the developed Scott-Russell mechanism and the established models.
机译：本文介绍了基于压电驱动的基于挠曲的Scott-Russell纳米加工机构的设计方法和动态建模。基于有限元分析，Scott-Russell机构采用整体构造，可提供较高的定位精度和长期的可重复性。考虑驱动电路的影响，建立了基于挠曲的Scott-Russell机构的动力学模型。研究了时间常数RC对动态响应的影响。基于拉普拉斯变换方法，得出了基于挠曲的斯科特-拉塞尔机构对三个典型信号的瞬态响应。注意，摆线指令信号可以产生无振动的运动，从而改善了基于挠曲的机构的动态性能。已经进行了实验测试，以验证开发的Scott-Russell机制和已建立的模型。

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