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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Shi, Rongqi Song, Jianmei Wan, Weiyu |
| Copyright Year | 2012 |
| Description | Author affiliation: Key Laboratory of Dynamics and Control of Flight Vehicle, Ministry of Education, Beijing Institute of Technology, 100081 China (Shi, Rongqi; Song, Jianmei) || Beijing Electro-mechanical Engineering Institute, 100074 China (Wan, Weiyu) |
| Abstract | Dynamic modelling and control system design for an in-plane morphing wing structure, which is proposed by NextGen Aeronautics, Inc., are investigated in this paper. The dynamic model of the morphing wing is developed based on Lagrange method from the viewpoint of energy. The in-plane aerodynamic load acting on the leading edge is considered as an uncertain disturbance. The morphing wing is a complex nonlinear multi-input multi-output system with coupling and actuation redundancy. Therefore, control allocation, decoupling and disturbance rejection are required in the control system design. A control allocator is designed based on pseudo inverse method; two active disturbance rejection controllers, which consist of tracking differentiators, nonlinear state error feedback laws and extended state observers, are adopted for the decoupled systems. The correctness of the model is verified by ADAMS simulation. The control system simulation results compared with PID controller show the abilities of disturbance rejection and decoupling. The results indicate that, integrating Lagrange equation, pseudo inverse control allocation and active disturbance rejection control, is an effective way for modelling and control of complex mechanisms. |
| Starting Page | 1224 |
| Ending Page | 1230 |
| File Size | 1266440 |
| Page Count | 7 |
| File Format | |
| ISBN | 9781467315241 |
| e-ISBN | 9780956715715 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-06-24 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Huazhong Univ of Sci & Tec |
| Subject Keyword | Actuators Decoupling Atmospheric modeling Dynamic modelling Aerodynamics Active disturbance rejection control Mathematical model Morphing wing Load modeling Control allocation |
| Content Type | Text |
| Resource Type | Article |
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