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有限时间入口控制,以实现机器人胃模拟器软执行器的适应性合规性
Siqi Jiang1, Shahab Kazemi1, Martin Stommel2
1Department of Mechanical and Mechatronics Engineering, The University of Auckland, Auckland, New Zealand.
Soft robotics
|February 4, 2026
概括
一个新的控制策略通过改善生物模拟和安全性来增强机器人胃模拟器. 这种方法可以减少接触力和超过力值的时间,从而实现更现实的胃肠 (GI) 系统模拟.
科学领域:
- 生物模拟机器人机器人技术
- 软机器人软机器人 软机器人
- 胃肠道 (GI) 系统模拟
背景情况:
- 现有的体外胃模拟器在复制胃的生物力学特性方面存在局限性.
- 软气动执行器为仿生功能提供了潜力,但需要先进的控制策略.
- 实现精确的收缩运动和符合交互动态对于现实的模拟至关重要.
研究的目的:
- 为机器人胃模拟器中的软执行器制定一个合规和强大的控制策略.
- 将入口控制与有限时间状态依赖的里卡蒂方程 (FT-SDRE) 集成为增强生物仿真.
- 提高体外胃模拟平台的安全性和生理现实性.
主要方法:
- 摄入控制与FT-SDRE集成,用于联合力和位移控制.
- 开发一个三相接触模型来描述执行器的力-变形行为.
- 使用凝样本和充满空气的乳气球进行实验验证.
主要成果:
- 与非入口控制相比,入口控制的FT-SDRE将平均接触力降低了11.19%至38.46%,而非入口控制的FT-SDRE则降低了11.19%至38.46%.
- 在所有测试中,超过强度值的时间减少了35-39%.
- 拟议的方法在软组织相互作用中证明了增强的安全性,适应性和生物模拟性.
结论:
- 新的入口控制FT-SDRE为机器人系统中的软组织相互作用提供了显著的改进.
- 这种方法提高了体外胃模拟中的安全性和生理现实性.
- 该方法有可能成为下一代体外胃模拟平台.
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