基于梁理论的导电聚合物驱动器等效模型及实验验证
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南华大学机械工程学院,南华大学机械工程学院

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TH113

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湖南省教育厅重点资助项目(13A081),湖南省研究生科研创新项目(CX2015B401)


Equivalent modeling for conducting polymer actuators based on beam theories and its experimental verification
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    摘要:

    导电聚合物因具有能耗小、质轻、柔韧性好等优异特性,在生物机器人和生物医学设备中具有广泛的应用前景。本文针对多层弯曲型聚吡咯导电聚合物驱动器搭建的实验系统,依据等效悬臂梁理论建立驱动器力学模型。测量驱动器施加(0~1v)低电压时的基体弯曲变形量,通过研究驱动器的弯曲位移与电压、力与电压的关系,建立电压与等效均布载荷的函数关系式。实验结果表明,电压与垂直方向位移成线性关系,当电压为1V时偏转位移可达到驱动器长度的一半,并且得出电压与应变的比例因子。最后,通过驱动器举起其自身重量约为5倍的重物移动2.71 mm,验证了驱动器顶端可以承受力。

    Abstract:

    Conducting polymers have wide application prospect in biological robot and biomedical device because of their excellent properties of small energy consumption, light weight and good flexibility. The experimental system has been set up for the actuators which made by multilayer bending polypyrrole conducting polymer, and according to the equivalent cantilever beam theory, the mechanical model of conducting polymer actuators are given. Through researched the substrate bending deformation when applied low voltage (0 ~ 1 V) to the actuators, the relationship between the voltage and the displacement is established. Further more, the function relation between the voltage and the uniformly distributed load is also founded. The results show that the voltage and vertical displacement are a linear relationship, when the voltage is 1 V, the displacement may reach half the length of the actuators, and the scaling factor between voltage and strain is derived. Besides, it was verified by the fact that the tip of the actuator can support a certain load and the actuator can move 2.71 mm with something weighted about 5 times of itself on it.

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田素坤,王湘江. 基于梁理论的导电聚合物驱动器等效模型及实验验证[J]. 科学技术与工程, 2015, 15(31): .
tiansukun and. Equivalent modeling for conducting polymer actuators based on beam theories and its experimental verification[J]. Science Technology and Engineering,2015,15(31).

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历史
  • 收稿日期:2015-07-09
  • 最后修改日期:2015-07-10
  • 录用日期:2015-08-11
  • 在线发布日期: 2015-11-20
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