设计,建模和控制基于SMA人工肌肉的奥雷利亚灵感机器人
Yihan Yang1, Chenzhong Chu1, Hu Jin1
1CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei 230026, China.
Biomimetics (Basel, Switzerland)
|June 27, 2023
概括
这项研究介绍了Au-robot,这是一款无的水下机器人,具有用于脉冲喷气推进的形状记忆合金. 它在游泳速度之间实现了平稳的过渡,展示了先进的仿生运动.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 生物模拟学是一种生物模拟学.
- 材料科学 材料科学 材料科学
背景情况:
- 无绳索的水下机器人需要高效,适应性强的推进系统.
- 仿生设计为增强机动性和现实的运动提供了潜力.
- 形状记忆合金 (SMA) 为软机器人提供了新的启动可能性.
研究的目的:
- 介绍一款灵活,易于制造的不受束的水下机器人,灵感来自水母 (Aurelia).
- 开发和分析机器人脉冲喷气推进的推力模型.
- 实施一个控制策略,使顺的,多式联运的游泳过渡.
主要方法:
- 制造了一种无水下机器人Au-robot,使用6个由形状记忆合金 (SMA) 人造肌肉模块制成的半径.
- 开发和分析推力模型,以了解机器人的水下运动动态.
- 实施一个集成中央模式发生器 (CPG) 和自适应调节 (AR) 加热策略的控制方法,用于游泳控制.
主要成果:
- 机器人在结构和运动上表现出生物特征,模仿奥雷利亚.
- 从低频游泳顺利过渡到高频游泳成功实现.
- 机器人达到12.61厘米/秒的平均最大瞬间速度.
结论:
- 用人工肌肉设计的机器人可以切实模仿生物结构和运动特征.
- 机器人表现出卓越的运动性能和仿生能力.
- 综合控制策略使有效的多式联通游泳转型成为可能.
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