Camera gimbal control from UAV autopilot target tracking

Chin-E. Lin, Sheng Kai Yang, Yu Chi Wang

研究成果: Article同行評審

3 引文 斯高帕斯(Scopus)

摘要

Unmanned Aerial Vehicle (UAV) is better and safer to carry missions for aerial photography for terrain feature documentation and surveillance. An aerial photography mechanism for camera gimbal control in conjunction with UAV autopilot system is proposed in this paper. A GPS-to-GPS target tracking is implemented into autopilot flight control system to aim at the assigned fixed point target. In order to properly control dynamic photography, coordinate conversion from airborne gimbal frame into the Earth frame via UAV body frame coordinates should be correctly aligned to the target. To avoid gimbal lock problem, the 3D quaternion-based attitude estimation from GPS and IMU is formulated. The UAV autopilot and target tracking control can be implemented on microcontroller with a reliable and stable performance. A UAV autopilot is designed and implemented mounting with 3D gimbal fixture for realization and flight tests. Flight experiment results show good system performance to accomplish the proposed objective.

原文English
頁(從 - 到)55-62
頁數8
期刊Journal of Aeronautics, Astronautics and Aviation
47
發行號1
DOIs
出版狀態Published - 2015 三月 1

All Science Journal Classification (ASJC) codes

  • 航空工程
  • 空間與行星科學

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