可调整硬度的软机器人的动力学,动力学和控制
Zhipeng Liu1,2, Linsen Xu3,4,5, Xiang Sui1,2
1Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, People's Republic of China.
Bioinspiration & biomimetics
|January 9, 2024
概括
这项研究介绍了一种具有混合脊柱和新的建模方法的新型度调节软机器人 (STSR). 一个多输入多输出控制器通过调整气动室压力来精确地控制姿势.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 机械工程 机械工程
- 控制系统 控制系统
背景情况:
- 可调整度的软机器人 (STSR) 由于无限度的自由度而带来了独特的控制挑战.
- 与标准软机器人相比,STSRs的现有建模和控制方法较不发达.
研究的目的:
- 开发一种新的STSR,集成一个软硬混合动力模拟脊柱的执行器和一个可调整刚度的模块.
- 为STSRs引入一种新的,高效的动力学和动态建模方法.
- 设计和验证一个多输入多输出 (MIMO) 控制器,用于精确的姿势控制.
主要方法:
- 创建了一个新的STSR原型,使用软硬混合动力脊柱和可调整硬度的模块.
- 一种新的建模方法将STSR表示为一系列带镜式-革命式-带镜式 (PRP) 分段.
- 一个MIMO控制器被设计为直接调节气动室压力以调整姿势.
主要成果:
- 拟议的动力学和动态建模方法更简单,更可概括,并且在计算上更有效.
- 通过调整气压,MIMO控制器有效地实现了STSR原型的精确姿势控制.
- 新型建模方法和MIMO控制系统都成功实施和验证了.
结论:
- 开发的STSR与新型建模和MIMO控制相结合,为软机器人技术提供了有前途的进步.
- 新的建模技术简化了复杂软机器人的动力学和动态的表示.
- 直接压力控制策略为STSRs提供了有效和精确的姿势管理.
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