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约束边界条件对气动复合弹性体形变性能的影响
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国家自然科学基金资助项目(51275004);吉林省科技发展计划资助项目(20150520109JH);吉林省教育厅“十二五”科学技术研究资助项目(20150158);吉林市科技创新发展计划资助项目(201464043;20156413)


Influence of Constraint Boundary Conditions on the Performance of Pneumatic Composite Elastomer
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    摘要:

    采用橡胶气囊和约束元件研制了一种新型伸长型气动人工肌肉。采用高分辨率CT机测试了肌肉内部气囊与约束边界接触变形,并利用静力学实验装置进行了不同类型约束环人工肌肉在气压驱动下变形对比实验,获得了不同约束边界条件对气动复合弹性体的形变性能影响规律。结果表明:自由约束边界大小决定人工肌肉的形变性能,圆环状约束边界明显高于圆柱状。其变形能力与约束环厚度成反比,与间隙成正比。在03 MPa气压下,圆环状约束环约束的肌肉轴向变形量比柱状约束环增加了519%;厚度为5 mm的约束环比厚度1 mm约束环轴向变形量减少了119%;间隙为1 mm约束环比无间隙轴向变形量增加了65.1%。

    Abstract:

    A new type of elongation artificial muscle which was mainly composed of elastic rubber tube and constrain component was developed. The contact deformation between the rubber tube and constraint boundary of artificial muscle was observed by CaliperQuantum FX highresolution small animal CT. Comparison experiments of kinematic characteristics of artificial muscle with different types of constrain rings were done on the static experimental device, and influences to the performance of pneumatic composite elastomer with different constraint boundary conditions were obtained in detail. The results show that the sizes of the constraint boundary determine the deformation performance of artificial muscle, and the circular constraint boundary is significantly higher than the cylindrical. Moreover, the deformation of the artificial muscle is inversely proportional to the thickness of constrain rings and is positively proportional to the interval between two constrain rings. When the input air pressure is 03 MPa, the axial deformation of circular constraint artificial muscle increases 519% as compare with the cylindrical constraint artificial muscle, the deformation artificial muscle with 5mm constrain rings decreases 119% as compare with 5 mm constrain rings, the deformation artificial muscle which constrain ring interval is 1mm increases 65.1% compare without interval.

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刘晓敏,耿德旭,赵云伟,刘洪波,郑永永.约束边界条件对气动复合弹性体形变性能的影响[J].机床与液压,2016,44(19):1-4.
. Influence of Constraint Boundary Conditions on the Performance of Pneumatic Composite Elastomer[J]. Machine Tool & Hydraulics,2016,44(19):1-4

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  • 在线发布日期: 2016-12-23
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