灵活的翅膀肋骨的设计和控制方法的研究,带有和弦变量凸轮
Biomimetics (Basel, Switzerland)
|January 27, 2026
概括
这项研究引入了一种新的刚性-柔性合翼肋,用于改造飞机,提高控制精度和变形精度. 创新的设计和模糊调节控制器显著提高了翼曲性能.
科学领域:
- 航空航天工程 航空航天工程
- 机械工程 机械工程
- 机器人技术 机器人技术 机器人技术
背景情况:
- 变形翼提供了增强的空气动力学性能,但在精确的控制和结构完整性方面面临挑战.
- 传统的控制策略在变形结构中与非最佳参数和不同的变形要求作斗争.
研究的目的:
- 开发和验证一种新的刚性-柔性合翼肋骨结构,以改善连续弦向曲.
- 设计一种先进的控制策略,用于精确控制变形翼的变形.
主要方法:
- 使用平均曲率线参数化和遗传算法优化刚性-柔性混合动力配置.
- 优化灵活部分的拓和形状大小优化,结合生物体曲线梁和S形子结构.
- 开发一个模糊调节的比例整体滑动模式控制器 (PI-SMC),使用仿生气动肌肉作为执行器.
主要成果:
- 三肋翼箱实现了30°的偏移,具有15°的灵活肋骨偏移,保持在7075Al-T6.6的允许限度内的应力.
- 变形误差降至7.6%,向下曲15度的控制器显示了6.06秒的调整时间,0.19度的稳定状态误差和1.8%的超越.
- 验证刚性-柔性合结构和模糊的PI-SMC在精确的变形翼控制中的有效性.
结论:
- 拟议的刚性-灵活的合翼肋结构是可行的,并提高了变形翼的性能.
- 模糊调整的PI-SMC为变形飞机应用提供了精确高效的控制.
- 这项研究为开发先进的变形飞机提供了宝贵的技术参考.
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