期刊
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
卷 67, 期 11, 页码 9515-9525出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIE.2019.2956414
关键词
Manipulator dynamics; Couplings; Vehicle dynamics; Unmanned aerial vehicles; Force; Robustness; Aerial manipulator; disturbance rejection; dynamic modeling; unmanned aerial vehicle (UAV) control
资金
- National Nature Sciences Foundation of China [61433016, U1608253]
Aerial manipulator, which is composed of an unmanned aerial vehicle (UAV) and a multilink manipulator and can perform aerial manipulation, has shown great potential of applications. However, dynamic coupling between the UAV and the manipulator makes it difficult to control the aerial manipulator with high performance. In this article, system modeling and control problem of the aerial manipulator are studied. First, an UAV dynamic model is proposed with consideration of the dynamic coupling from an attached manipulator, which is treated as disturbance for the UAV. In the dynamic model, the disturbance is affected by the variable inertia parameters of the aerial manipulator system. Then, based on the proposed dynamic model, a disturbance compensation robust H-infinity controller is designed to stabilize flight of the UAV while the manipulator is in operation. Finally, experiments are conducted and the experimental results demonstrate the feasibility and validity of the proposed control scheme.
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