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| Method for Measuring the Attitude Angle of Object Based on Two High-speed Cameras |
| Received:January 10, 2021 Revised:March 30, 2021 |
| View Full Text View/Add Comment Download reader |
| DOI：10.7643/issn.1672-9242.2021.05.010 |
| KeyWord:high-speed cameras cameras axis intersection measurement the impact angle of object |
| Author | Institution |
| HUANG Han-jun |
Institute of Systems Engineering, China Academy of Engineering Physics, Mianyang , China |
| HAO Zhi-ming |
Institute of Systems Engineering, China Academy of Engineering Physics, Mianyang , China |
| ZHANG Jun |
Institute of Systems Engineering, China Academy of Engineering Physics, Mianyang , China |
| WANG Jun-ping |
Institute of Systems Engineering, China Academy of Engineering Physics, Mianyang , China |
| YUE Xiao-hong |
Institute of Systems Engineering, China Academy of Engineering Physics, Mianyang , China |
| MAO Yong-jian |
Institute of Systems Engineering, China Academy of Engineering Physics, Mianyang , China |
| HUANG Hai-ying |
Institute of Systems Engineering, China Academy of Engineering Physics, Mianyang , China |
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| Abstract: |
| To obtain the target attitude of object in space, a measuring method was proposed through dual high-speed cameras with optical axis intersection The attitude angle of object was simultaneously recorded using both of high-speed cameras. Considering the space relations between the axis intersection angle and location of two cameras, the mathematic expression of the attitude angle of object was constructed. The simplified forms were given under several special cases. The method was employed to measure the impact angle of object in the drop tests. Using the proposed method, the accurate impact angle of object was measured. The current method has little restriction of the camera arrangement during the measurement process. The method may provide key support for research of the aberrant drop and high-speed impact. |
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