Journal
IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS
Volume 8, Issue 4, Pages 801-810Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TII.2012.2205584
Keywords
Adaptive neural network (NN) control; learning; persistent excitation (PE) condition; ship control; uncertain dynamics
Categories
Funding
- National Natural Science Foundation of China [61104108, 61004065, 60934001]
- China Postdoctoral Science Foundation [2012M511807]
- Fundamental Research Funds for the Central Universities [2011ZM0121]
Ask authors/readers for more resources
This paper presents the problems of accurate identification and learning control of ocean surface ship in uncertain dynamical environments. Thanks to the universal approximation capabilities, radial basis function neural networks (NNs) are employed to approximate the unknown ocean surface ship dynamics. A stable adaptive NN tracking controller is first designed using backstepping and Lyapunov synthesis. Partial persistent excitation (PE) condition of some internal signals in the closed-loop system is satisfied during tracking control to a recurrent reference trajectory. Under the PE condition, the proposed adaptive NN controller is shown to be capable of accurate identification/learning of the uncertain ship dynamics in the stable control process. Subsequently, a novel NN learning control method which effectively utilizes the learned knowledge without re-adapting to the unknown ship dynamics is proposed to achieve closed-loop stability and improved control performance. Simulation studies are performed to demonstrate the effectiveness of the proposed method.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available