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Magnetoactive elastomer/PVDF composite film based magnetically controllable actuator with real-time deformation feedback property
Composites Part A: Applied Science and Manufacturing ( IF 8.1 ) Pub Date : 2017-09-08 , DOI: 10.1016/j.compositesa.2017.09.004
Jiabin Feng , Shouhu Xuan , Li Ding , Xinglong Gong

This work reported a high performance flexible magnetically controllable actuator based on magnetoactive elastomer (MAE) and poly (vinylidene fluoride) (PVDF) composite film. The magnetic-mechanic-electric coupling properties of the actuator were systematically investigated by cyclical wrinkle, magnetic bending, and stretching test. The induced charge under a magnetic bending can reach as large as 158 pC even at small magnetic field of 100 mT with the bending angle up to almost 90° within 0.6 s. Moreover, a new model was proposed to theoretically reveal the intrinsic correspondence. The model matches well with the experimental results. Based on this kind of actuator, a magnetically controllable tentacle is developed, which could grasp, transport, and release object by switching the supplied current. Due to the real-time deformation feedback characteristics, this kind of actuators can find wide applications in actively controllable engineering, artificial robotics, and biomedicine.



中文翻译:

基于磁弹性体/ PVDF复合膜的磁控致动器,具有实时变形反馈特性

这项工作报告了一种基于磁活性弹性体(MAE)和聚偏二氟乙烯(PVDF)复合膜的高性能柔性磁控执行器。通过周期性起皱,磁弯曲和拉伸试验系统地研究了执行器的磁-电-电耦合特性。即使在100 mT的小磁场下,磁弯曲下的感应电荷也可以高达158 pC,且弯曲角度在0.6 s内几乎达到90°。此外,提出了一个新的模型来从理论上揭示内在对应关系。该模型与实验结果吻合良好。基于这种致动器,开发了一种可磁控的触手,该触手可通过切换所提供的电流来抓握,运输和释放物体。

更新日期:2017-09-08
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