Yuanhao Wang, Weiwei Bai, Wenjun Zhang, Shicai Chen, Yang Zhao
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Optimal course tracking control of USV with input dead zone based on adaptive fuzzy dynamic programing
In this paper, an adaptive fuzzy optimal course tracking control problem is studied for the unmanned surface vehicle (USV) system with input dead zone. Firstly, input dead zone is split into input-dependent and time-varying bounded functions to treat as system uncertainties. Secondly, when the ship sailing on the sea, the complex marine environment brings a great challenge to ship course control. In order to conquer this challenge, the controller is divided into feedforward controller and optimal feedback controller. The feedforward controller is developed to improve the course tracking performance, and the optimal feedback controller is developed to achieve the optimal control based on adaptive fuzzy dynamic programing (AFDP). Finally, the course tracking performance is guaranteed and all signals in the closed-loop system are uniformly ultimately bounded (UUB) based on Lyapunov theory. Simulation results demonstrate remarkable effectiveness.
期刊介绍：
Systems and control studies provide a unifying framework for a wide range of engineering disciplines and industrial applications. The Journal of Systems and Control Engineering refleSystems and control studies provide a unifying framework for a wide range of engineering disciplines and industrial applications. The Journal of Systems and Control Engineering reflects this diversity by giving prominence to experimental application and industrial studies.
"It is clear from the feedback we receive that the Journal is now recognised as one of the leaders in its field. We are particularly interested in highlighting experimental applications and industrial studies, but also new theoretical developments which are likely to provide the foundation for future applications. In 2009, we launched a new Series of "Forward Look" papers written by leading researchers and practitioners. These short articles are intended to be provocative and help to set the agenda for future developments. We continue to strive for fast decision times and minimum delays in the production processes." Professor Cliff Burrows - University of Bath, UK
This journal is a member of the Committee on Publication Ethics (COPE).cts this diversity by giving prominence to experimental application and industrial studies.
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