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新型三维柔性触觉传感器结构设计及仿真研究

The Structural Design and Simulation Research of New Flexible Tactile Sensor

【作者】 黄攀峰

【导师】 黄英;

【作者基本信息】 合肥工业大学 , 微电子学与固体电子学, 2007, 硕士

【摘要】 本文介绍了国内外触觉传感器技术的研究现状和发展趋势及一些典型的触觉传感器的设计方法,分析了它们各自所具有的优点和所存在的缺点。由于力敏导电橡胶具有力学性能好,抗干扰能力强,制作的传感器预期能达到具有较高的分辨率,是制作柔性触觉传感器的良好材料,讨论了力敏导电橡胶国内外研究状况及其主要用途,总结了力敏导电橡胶在触觉传感器中的应用,提出一利,基于力敏导电橡胶的新型柔性触觉传感器设计思想。采用非线性有限元法对柔性触觉传感器单元结构进行有限元仿真,将分析结果与理沦结果对比,验证了设计方案的可行性。对三维柔性触觉传感器的阵列结构进行了有限元仿真研究,获得了在不同的三维力作用下各节点坐标的三个方向位移变化量,得到力与位移的关系,计算了三维力作用下变形及受力前后输出电阻的变化率,为验证实验结果和新型结构设计提供有效的依据。可有效的分析和研究这种新型的柔性触觉传感器的力学和电学性能。为新型柔性触觉传感器的进一步研究提供了思路。

【Abstract】 This paper introduced the tactile sensor technology at home and abroad on the status and development trend and some typical tactile sensor design method, analyzed their respective strengths and the existing shortcomings. Force-sensitive conductive rubber has better mechanical properties stronger anti-jamming capability and higher resolution, that was regarded as a good material of producing flexible tactile sensor. discussed the force-sensitive conductive rubber domestic and international situation and its main research purposes, summed up the force-sensitive conductive rubber in the application of tactile sensor, proposed a new Flexible tactile sensor design approach basing on the force-sensitiveconductive rubber.Carried on the finite element analysis to the Flexible tactile sensor module structure.the the results of analysis will be compared with the theoretical results,which proved the feasibility of the design program. The finite element simulation study of the three-dimensional array structure Flexible tactile sensors obtained the displacement quantity of the node coordinate under the action of three dimensional force and calculated around the output resistance change of the force sensitive conductive rubber sensor array unit under three dimensional action of force,all which provided the effective basis for the confirmation experiment result and the new structural design.

  • 【分类号】TP212
  • 【被引频次】1
  • 【下载频次】358
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