对无人机运动传感器进行计算研究,以同时测量无人机在三个方向上的两个物理量
Kamran Siddique1, Yoshifumi Ogami1
1Department of Mechanical Engineering, College of Science and Engineering, Ritsumeikan University, 1-1-1 Noji-Higashi, Kusatsu 525-8577, Japan.
Sensors (Basel, Switzerland)
|June 10, 2023
概括
这项研究利用热加速度计的误差,同时测量无人驾驶飞行器 (UAV) 三个方向的加速和旋转. 这种新的方法提高了运动传感准确度和数据采集能力.
科学领域:
- 机械工程 机械工程
- 航空航天工程 航空航天工程
- 传感器技术 传感器技术
背景情况:
- 加速度计中的横轴灵敏度会影响准确度.
- 无人驾驶飞行器 (UAV) 需要精确的运动传感器来进行导航和控制.
- 现有的传感器往往难以同时测量加速和旋转.
研究的目的:
- 为了利用热加速度计中固有的设备错误,同时进行多量测量.
- 开发一种单一的运动传感器,能够测量X,Y和Z方向的加速和旋转.
- 提高无人机的性能和数据采集能力.
主要方法:
- 使用有限元法 (FEM) 模拟器 (FLUENT 18.2) 设计和模拟热加速度计的3D结构.
- 与输入物理量 (加速和旋转) 相关联获得的温度反应.
- 开发了峰值温度值和输入参数之间的图形关系.
主要成果:
- 通过使用单个运动传感器成功证明了三次加速度和三次旋转的同时测量.
- 建立一个图形方法来确定加速 (1g到4g) 和旋转速度 (200到1000°/s) 在三个方向.
- 量化了温度反应和物理输入之间的关系.
结论:
- 该研究提出了一种新的方法,利用热加速度计错误进行增强的传感.
- 开发的技术可以同时测量多个运动参数,这对于无人机应用至关重要.
- 这种方法为空中飞行器中更准确和更全面的运动跟踪提供了途径.
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