对一个生物灵感的机器人鱼的优化分析,采用了曲轴连接推进系统
Xinyu Pan1,2, Mengfan Xu3,4, Fajun Yu1,2
1College of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, People's Republic of China.
Bioinspiration & biomimetics
|December 10, 2025
概括
这项研究通过分析杆长度和形状来优化机器人鱼的推进,发现特定的设计可以显著提高推力和效率. 这些见解指导了先进的生物灵感水下车辆的工程.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 流体动力学 流体动力学
- 生物启发工程 生物启发工程
背景情况:
- 现代机器人鱼的设计结合了生物原理与工程技术,以改善运动.
- 曲轴连接系统提供高效的推进,但缺乏工程实施指导.
- 现有的研究往往侧重于完全仿生模拟的模拟.
研究的目的:
- 系统地研究杆长度和尾形态对机器人鱼水力动力性能的影响.
- 分析雷诺兹数 (Re) 和斯特鲁哈尔数 (St) 对推进特性的影响.
- 为生物灵感机器人中优化曲轴连接推进系统提供工程指导.
主要方法:
- 一个以金枪鱼为灵感的机器人鱼模型被用于数值模拟.
- 系统分析杆长度和尾 (CF) 形态变异.
- 调查包括雷诺兹数 (Re) 和斯特鲁哈尔数 (St) 在内的流量参数.
主要成果:
- 曲轴长度通过调节前端 (LEV) 和后体 (PBV) 相互作用,显著影响推力.
- 在以金枪鱼为灵感的模型中,0.28L的旋转长度通过协同动力学增强了推力.
- 推进效率随着尺寸比的增加而下降;通过延迟LEV脱落,截断改进了推力.
结论:
- 优化杆长度和尾形态对于提高机器人鱼的推力和效率至关重要.
- 了解动力学为设计高效的生物启发推进系统提供了关键的见解.
- 这项研究为开发先进的混合动力驱动机器人鱼提供了理论指导.
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