低压和高输出介电弹性体驱动器用于在200伏工作的无软机器
Junbo Peng1,2, Jiangshan Zhuo1,2, Hongcheng Qiu3
1College of Mechanical Engineering, Zhejiang University, Hangzhou 310000, China.
Science robotics
|February 18, 2026
概括
研究人员开发了低压,高输出介电弹性体执行器 (DEAs),通过创建一个新的弹性体材料,并使用干堆叠过程. 这些人造肌肉在低电压下有效运行,使得无软机器人和可穿戴设备成为可能.
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
- 执行器技术 执行器技术
背景情况:
- 介电弹性体驱动器 (DEAs) 由于大张力和高能量密度,显示出作为人工肌肉的前景.
- 高驱动电压 (千伏) 限制了DEA在无系统中的应用.
- 存在对在低电压下运行而不会影响性能的DEA的需求.
研究的目的:
- 为了开发低压,高输出DEA (LVHO-DEA).
- 为了使DEA在无绑软系统中的实际应用成为可能.
- 为了克服阻碍DEA采用电压障碍的电压障碍.
主要方法:
- 合成了一种高介电常数,可加工,高性能介电弹性体,具有优化的应力应变行为.
- 开发了一种可扩展的干堆叠工艺,用于多层薄弹性体薄膜.
- 使用LVHO-DEAs制造的无可穿戴设备和软机器人.
主要成果:
- 在低电场 (20 V/μm) 实现高能量密度 (38.4 J/kg) 和功率密度 (452 W/kg).
- 在未绑定的设备中,LVHO-DEA在200伏时被证明有效运行.
- 在没有预拉伸或高频共振的情况下运行的LVHO-DEA.
结论:
- 开发的LVHO-DEA显著降低了DEA应用的驱动电压要求.
- 这一进步弥合了理论上的DEA潜力与软机器人和可穿戴设备的实际应用之间的差距.
- 在低驱动电压下,在无软系统中实现高性能执行.
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