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Updated: Jul 16, 2025

10:32
Fabrication Process of Silicone-based Dielectric Elastomer Actuators
Published on: February 1, 2016
33.7K
一个低电压,高强度容量电离合器,基于离子elastomer异构连接
D J Levine1, O A Lee2, G M Campbell1
1Department of Mechanical Engineering & Applied Mechanics, University of Pennsylvania, Philadelphia, PA, 19104, USA.
Advanced materials (Deerfield Beach, Fla.)
|September 21, 2023
概括
新的离子elastomer离合器提供强大的,低压粘附和容易脱离. 这些先进的电粘剂很小,很强大,适合用于可穿戴设备和可调节的支架.
科学领域:
- 材料科学 材料科学 材料科学
- 机器人技术 机器人技术 机器人技术
- 机械工程 机械工程
背景情况:
- 介电电需要高电压,容易发生故障.
- 离子elastomer异构连接提供低压粘附,但具有有限的力容量和高脱离力.
- 在开发具有高强力容量和可在低电压 (<10 V) 时可编程脱离的电粘剂方面存在重大挑战.
研究的目的:
- 设计具有大力容量和在低工作电压下可编程脱离的新型电离合器.
- 合成坚固的离子弹性体/金属网复合材料,可控制表面粗度和低表面能量.
- 开发模型,解释离合器合规性和表面质地对力容量和接触面积的影响.
主要方法:
- 强硬的离子弹性体/金属网复合材料的合成.
- 控制的表面粗度工程.
- 基于断裂和接触力学的建模.
- 跨不同几何形状和电压的实验验证.
主要成果:
- 实现了10伏以下的电离合器 (<10V),具有高强度和易于拆卸.
- 与现有的电离合器相比,每单位面积的力容量 (102 N cm−2) 得到了五倍的改进.
- 工作电压降低了40倍 (±7.5V).
结论:
- 开发的离子弹性体离合器代表了电技术的重大进步.
- 这些离合器在力容量,工作电压和可拆卸性方面表现出卓越的性能.
- 在手指可穿戴和可调节的手机支架中展示了实用应用,突出了它们的多功能性.
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