基于替代模型的同类鱼尾的最佳刚度分布的研究
Xiaobo Zhang1, Zhongcai Pei1, Zhiyong Tang1
1School of Automation Science and Electrical Engineering, Beihang University, Beijing 100191, People's Republic of China.
Bioinspiration & biomimetics
|September 18, 2025
概括
优化鱼尾硬度可以提高游泳能力. 这项研究发现了特定的刚度分布,可以显著增加推力和效率,为机器人鱼的设计提供了宝贵的见解.
科学领域:
- 生物力学 生物力学
- 流体动力学 流体动力学
- 机器人技术 机器人技术 机器人技术
背景情况:
- 鱼类的运动依赖于复杂的尾运动.
- 了解鱼尾的硬度对于有效的游泳和仿生设计至关重要.
研究的目的:
- 为了研究鱼尾硬度分布如何影响游泳表现.
- 确定最佳的刚性模式,以最大限度地提高身体和/或尾 (BCF) 游泳模式中的推力和效率.
主要方法:
- 开发了一种用于BCF运动的流体结构相互作用 (FSI) 模拟模型.
- 系统地分析了刚度分布,并创建了一个扩展的数据集.
- 利用支持向量回归 (SVR) 与扬的双裂纹实验 (YDSE) 优化和粒子群优化 (PSO) 找到最佳参数.
主要成果:
- 确定了增强游泳表现的特定刚度分布.
- 与基线模拟相比,实现了4.94%的推力增加和6.86%的效率增加.
- 分析压力轮和简化图表,以了解性能改进背后的机制.
结论:
- 鱼尾硬度分布显著影响游泳推力和效率.
- 优化的硬度模式为设计更高效的机器人鱼提供了基础.
- 这项研究将生物力学与工程结合起来,用于先进的生物仿真运动系统.
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