特定的动态参数:用于矢量喷嘴的新型多视图立体视觉测量系统.
Zhixiao Lin1, Kechen Song1, Han Zhang1
1School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China.
Sensors (Basel, Switzerland)
|January 10, 2026
概括
这项研究引入了一种新的视觉系统,用于精确测量航空发动机中矢量喷嘴运动参数. 该系统实现了高精度和稳定性,这对于推力向量控制和飞行性能至关重要.
科学领域:
- 航空航天工程 航空航天工程
- 计算机视觉 计算机视觉
- 机械工程 机械工程
背景情况:
- 精确测量矢量喷嘴运动对于航空发动机推力矢量控制和飞行性能至关重要.
- 现有的方法可能缺乏先进的航空发动机应用所需的精度.
研究的目的:
- 设计和验证一个多视图视觉系统,用于精确测量矢量喷嘴运动参数.
- 开发一个强大的技术解决方案,结合3D重建,点云细分和合适测量.
主要方法:
- 一个双轴承旋转喷嘴被设计用于模拟.
- 为运动参数测量开发了一个多视图视觉平台.
- 采用了"三维重建点云细分-合适测量"方法,利用深度学习用于立体视觉,点变压器用于细分,RANSAC用于圆形合适.
主要成果:
- 该系统在测量矢量喷嘴运动参数方面表现出高精度和稳定性.
- 在测量系统分析中,差异分析 (ANOVA) 显示GRR%为2.81%和NDC为7.69% (或1.84%,50,18,76取决于解释).
- 通过比较实验验证有效性.
结论:
- 建议的视觉系统和测量方法对于向量喷嘴运动参数测量是有效和可靠的.
- 该系统的高精度和稳定性支持推力向量控制和飞行性能的进步.
- 这项研究为航空发动机组件的开发和测试提供了有价值的工具.
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