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优化鸟类的息动作
Marco KleinHeerenbrink1, Lydia A France1,2, Caroline H Brighton1
1Department of Zoology, University of Oxford, Oxford, UK.
Nature
|June 29, 2022
概括
像哈里斯这样的大鸟, 这种策略投入了时间和精力,
科学领域:
- 生物力学
- 动物飞行动力学
- 机器人技术
背景情况:
- 在高速飞行中息是一种复杂的飞行行为,
- 较大的鸟类通常使用俯冲机动来息,与可能悬浮的较小鸟类不同.
- 优化不稳定的飞行机动,如立,并未得到充分理解.
研究的目的:
- 研究鸟类在高速息时使用的优化策略.
- 要确定坐飞行是否会减少时间,精力或其他因素.
- 了解大型鸟类安全息的控制机制.
主要方法:
- 对1576次哈里斯 (Parabuteo unicinctus) 飞行的运动捕捉数据进行分析.
- 飞行动力学模型分析息轨迹.
- 观察到的立策略与时间和能量最小化原则的比较.
主要成果:
- 哈里斯的飞行轨迹不仅仅是减少时间和精力.
- 息的策略是尽量减少飞行后的距离.
- 鸟类花费时间和精力来获得控制权,
结论:
- 息策略优先考虑最小化停机后的飞行距离.
- 这种方法不同于以时间或能量为重点的典型飞行优化.
- 结果表明开发自主息系统的启发原则,特别是通过强化学习.
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