一个等轴的多电极介电弹性体执行器的设计和特征
Simon Holzer1,2, Bhawnath Tiwari1,2, Stefania Konstantinidi1,2
1Integrated Actuators Laboratory (LAI), Ecole Polytechnique Fédérale de Lausanne, Rue de la Maladière 71b, 2000 Neuchâtel, Switzerland.
Materials (Basel, Switzerland)
|May 7, 2025
概括
这项研究介绍了一种等轴介电弹性体驱动器 (DEA),可实现自动化和小型化高应变 (12.75%). 这种新的设计优化了执行器区域的使用,优于传统设计.
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
- 生物医学工程 生物医学工程
背景情况:
- 软执行器对于自动化和小型化至关重要,介电弹性体执行器 (DEA) 提供高张力能力.
- 现有的DEA研究缺乏全面的设计,制造,建模和验证方法,特别是在高应变的多电极集成方面.
- 优化DEA性能需要解决多个电极的相互作用,并最大限度地利用主动执行区域.
研究的目的:
- 详细介绍一个等轴介电弹性体执行器 (DEA) 的设计,制造,建模和实验验证.
- 通过最大限度地利用主动执行区域来实现优化等轴向应变模式.
- 为了证明与传统的DEA设计相比,更好的高应变执行性能.
主要方法:
- 开发一个等轴介电弹性体驱动器 (DEA) 设计.
- 制造和集成多个电极以增强执行.
- 在不同电场下对DEA的性能进行建模和实验验证.
- 在活性区域上表征应变模式和执行效率.
主要成果:
- 开发的同轴DEA在7厘米2的活性区域中,在60Vμm-1的电压下实现了12.75%的同轴应变.
- 与传统的点点执行器相比,这意味着应变的1.3倍改善.
- 该设计展示了执行器内的被动区域的优化使用,从而提高了性能.
结论:
- 方轴式DEA为需要高应变和轻量化启动的应用提供了有前途的解决方案,例如生物医学和微组装.
- 优化的设计和制造方法克服了之前DEA研究的局限性.
- 这项工作为高性能软执行器提供了验证的模型,为先进的自动化和小型化设备铺平了道路.
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