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一个尼马式液晶弹性体旋转发动机
Takuya Ohzono1,2, Hirohmi Watanabe3, Eugene M Terentjev4
1Core Electronics Technology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, 305-8565, Japan. ohzono-takuya@aist.go.jp.
Scientific reports
|December 23, 2025
概括
尼马特液晶弹性体 (NLCE) 驱动了一种使用光诱导收缩的新型旋转发动机. 这种软执行器技术展示了连续旋转,为先进的软机器人和能量转换系统铺平了道路.
科学领域:
- 材料科学 材料科学 材料科学
- 软机器人软机器人 软机器人软机器人
- 热力学是一种热力学.
背景情况:
- 阴性液晶弹性体 (NLCE) 在加热时表现出显著的收缩应力,超过常规.
- 软执行器对于开发符合规定的机器人系统和新型能量转换设备至关重要.
研究的目的:
- 开发和分析由NLCEs驱动的原型恒星形旋转发动机.
- 研究用于产生连续旋转运动的光热效应.
- 建立一个平台来评估NLCE的执行性能.
主要方法:
- 一个受维冈电机启发的设计被用来建造一个星形的旋转发动机.
- 整合了四到十二个NLCE收缩元件来驱动一个曲轴.
- 在白光下使用光热启动.
- 进行了理论建模来分析驱动扭矩和内部摩擦.
主要成果:
- 使用白光实验实现了曲轴的连续旋转运动.
- 理论分析显示,NLCE收缩产生驱动扭矩,被粘弹性内部摩擦抵消,导致常速旋转.
- 该研究探讨了NLCE元素计数,光功率,预压力和系统大小对速度和效率等发动机性能指标的影响.
结论:
- 开发的NLCE动力发动机成功地证明了由光诱导的热效应驱动的连续旋转.
- 发动机的性能与NLCE的物理性质 (液晶性,相位过渡温度,粘性弹性) 密切相关.
- 该系统作为一个有价值的测试平台,用于评估和优化NLCE基于软机器人和能源应用的执行器.
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