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Design of an adaptive nonlinear controller for an autonomous underwater vehicle equipped with a vectored thruster.

机译:用于配备矢量推进器的自主水下航行器的自适应非线性控制器的设计。

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摘要

The tasks Autonomous Underwater Vehicles (AUVs) are expected to perform are becoming more and more challenging. Thus, to be able to address such tasks, we implemented a high maneuverability propulsion system: a vectored thruster. The design of a vehicle equipped with such a propulsion system will be presented, from a mechanical, electronic and software point of view. The motion control of the resulting system is fairly complex, and no suitable controller is available in the literature. Accordingly, we will present the derivation of a novel tracking controller, whose adaptive properties will compensate for the lack of knowledge of the system's parameters. Computer simulations are provided and show the performance and robustness of the proposed control algorithm to external perturbations, unmodelled dynamics and dynamics variation. We finally illustrate the advantage of using an adaptive controller by comparing the presented controller to a Proportional Integral Derivative controller.
机译:预计自动水下航行器(AUV)的任务将变得越来越具有挑战性。因此,为了能够解决这些任务,我们实施了高度机动性的推进系统:矢量推进器。从机械,电子和软件的角度,将介绍配备有这种推进系统的车辆的设计。所得系统的运动控制相当复杂,并且文献中没有合适的控制器。因此,我们将介绍一种新颖的跟踪控制器,其自适应特性将弥补对系统参数知识的缺乏。提供了计算机仿真,并显示了所提出的控制算法对外部扰动,未建模的动力学和动力学变化的性能和鲁棒性。最后,通过将提出的控制器与比例积分微分控制器进行比较,来说明使用自适应控制器的优势。

著录项

  • 作者

    Morel, Yannick.;

  • 作者单位

    Florida Atlantic University.;

  • 授予单位 Florida Atlantic University.;
  • 学科 Engineering Marine and Ocean.; Mathematics.
  • 学位 M.S.
  • 年度 2002
  • 页码 90 p.
  • 总页数 90
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 海洋工程;数学;
  • 关键词

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