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首页> 外文期刊>Journal of Applied Polymer Science >Investigation on static and dynamic performance of a hinge configuration with integrated dielectric elastomers
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Investigation on static and dynamic performance of a hinge configuration with integrated dielectric elastomers

机译：集成电介质弹性体的铰链配置的静态和动态性能研究

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A rigid hinge frame combined with pre-stretched dielectric elastomer (DE) films can form an active biological agonist-antagonist configuration. In this structure, the DE films undergo a constant deformation under a static voltage as well as specific reciprocating rotation under an alternative voltage. To theoretically investigate the static and dynamic performance, we establish the kinetic equation of the active hinge configuration. The computational static rotary angle exhibits a good fit with the experimental data from literature. Based on this model, static performance of this configuration when DE undergoes uniaxial and pure shear deformation is investigated. Subject to a small perturbation, the configuration may oscillate around the equilibrium state and the natural frequency can be obtained. By varying the pre-stretch ratios, applied voltage, layer number, and the rotational inertia of the hinge, we can tune the natural frequency at a wide range. When the voltage is sinusoidal and varies continuously, the configuration resonates at multiple frequencies of excitation, known as harmonic and superharmonic resonance. Our research may serve as a guide to optimal design and provide insights into the performance of the hinge configuration, which can effectively expand the structure's application fields. (c) 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41630.
机译：刚性铰链框架与预拉伸的介电弹性体（DE）膜结合可以形成活性的生物激动剂-拮抗剂结构。在这种结构中，DE膜在静态电压下经历恒定变形，并且在交流电压下经历特定的往复旋转。为了从理论上研究静态和动态性能，我们建立了主动铰链配置的动力学方程。计算得出的静态旋转角与文献中的实验数据非常吻合。基于此模型，研究了DE经受单轴和纯剪切变形时该配置的静态性能。受到很小的扰动，构型可能会在平衡状态附近振荡，并且可以获得固有频率。通过改变预拉伸比，施加的电压，层数和铰链的转动惯量，我们可以在很宽的范围内调节固有频率。当电压为正弦波且连续变化时，该配置会在多种激励频率下谐振，这被称为谐波谐振和超谐波谐振。我们的研究可作为优化设计的指南，并提供有关铰链配置性能的见解，从而可以有效地扩展结构的应用领域。 （c）2014 Wiley Periodicals，Inc. J. Appl。 Polym。科学2015，132，41630。

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