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Friday, July 17, 2020 | History

1 edition of Sliding mode control of motions of towed ships found in the catalog.

Sliding mode control of motions of towed ships

Arthur K. Samora

Sliding mode control of motions of towed ships

by Arthur K. Samora

  • 217 Want to read
  • 34 Currently reading

Published by Naval Postgraduate School, Available from the National Technical Information Service in Monterey, Calif, Springfield, Va .
Written in English


Edition Notes

ContributionsPapoulias, Fotis A.
The Physical Object
Pagination56 p. ;
Number of Pages56
ID Numbers
Open LibraryOL25496115M

Addressing the need for systematic design approaches to intelligent control system design using neural network and fuzzy-based techniques, the book introduces the concrete design method and MATLAB simulation of intelligent control strategies; offers a catalog of implementable intelligent control design methods for engineering applications. The cascade connection of two dc–dc switching converters for constant power supply is studied. The source converter is of boost type while the load converter is of buck type. The natural unstable behaviour of the cascade connection for both on and off states of the boost converter is counteracted by a sliding-mode control strategy that combines unstable trajectories to generate a stable one.

Design and analysis of motion control systems for ships, ocean structures, underwater vehicles, aircraft and unmanned vehicles. Be able to simulate vessel motion, motion control systems and the effect of wind, wave and ocean current forces on these systems. Independent management of small R&D projects and contribute actively in larger projects. In this paper, way-point tracking control of a container ship based on LOS method using adaptive stochastic sliding mode controlhas ive.

Ship Course Keeping Using Different Z. Liu Sliding Mode Controllers where the ship mass is m, the inertia in yaw is Izz, the coordinate of the centre of gravity with respect to the body fixed frame is and the yaw rate are and An advanced sliding mode control with integral sliding function was applied in for swing-up and balancing the Pendubot to follow with various trajectories. Reference has proposed sliding mode controller to drive the Pendubot system towards the sliding surface. And in order to overcome the chattering phenomenon, a Lyapunov function with a.


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Sliding mode control of motions of towed ships by Arthur K. Samora Download PDF EPUB FB2

ABSTRACT (Coninue on reverse it necessary and identify by block numbers) A control system based on sliding mode control and the linear quadratic regulator is designed to stabilize the straight line motions of towed vessels.

The control technique is through athwartship movement of the towline attachment point on the towed : and Arthur K. Samora and Arthur K. Samora. Approved for public release: Distribution is unlimitedA control system based on sliding mode control and the linear quadratic regulator is designed to stabilize the straight line motions of towed vessels.

The control technique is through athwartship movement of the towline attachment point on the towed : Arthur K. Samora. Books to Borrow. Top American Libraries Canadian Libraries Universal Library Community Texts Project Gutenberg Biodiversity Heritage Library Children's Library.

Open Library. Featured movies All video latest This Just In Prelinger Archives Democracy Now. Occupy Wall Street TV NSA Clip : A control system based Sliding mode control of motions of towed ships book sliding mode control and the linear quadratic regulator is designed to stabilize the straight line motions of towed vessels.

The control technique is through athwartship movement of the towline attachment point on the towed vessel. This paper is concerned with the problem of adaptive sliding mode control for roll motions of ships as an uncertain nonlinear system with five equilibrium points which faces external disturbance.

This paper is concerned with the problem of adaptive sliding mode control for roll motions of ships as an uncertain nonlinear system with five equilibrium points which faces external disturbance.

The purpose is designing a robust controller for this model with these properties, under the influence of external sinusoidal disturbances. The capabilities of the proposed controller are verified by. In order to satisfy the requirement of strong robustness of ship motion controller, an intelligent sliding-mode controller based on cloud model is designed.

With reasoning method of cloud models, the reaching speed of the controller can be dynamically adjusted and the chattering problem is solved. The validity of the controller is demonstrated by the simulation of the ship course control.

A novel robust adaptive sliding mode control is developed for trajectory tracking of underactuated vehicles. The approach can reduce the chattering problem.

Adaptive estimation of the upper bound of disturbances is utilized to deal with the environment disturbances. It is a. The sliding mode control (SMC) is highly regarded as a useful method to make robust control law for nonlinear dynamical systems due to its strength of robustness against parameter uncertainties and exogenous disturbances.

Abstract In this paper, a sliding mode controller is presented for the trajectory tracking by a group of ships with an established formation along a given parametrized path via neural network and sliding mode control technique.

Motion Control Systems is concerned with design methods that support the never-ending requirements for faster and more accurate control of mechanical motion. The book presents material that is fundamental, yet at the same time discusses the solution of complex problems in motion control.

Abstract: In this paper, an adaptive sliding mode control (ASMC) for offshore container cranes that load/unload containers from a mega container ship to a smaller vessel is investigated. To withstand the harsh working conditions in the open sea such as ship motions and winds, a 4-degrees-of-freedom (4-DOF) control model consisting of plant uncertainties and known/unknown disturbances is newly.

In recent work by McNinch and collegeaues, a sliding mode control (SMC) law is presented and experimentally implemented for trajectory tracking of an underactuated autonomous surface vessel.

The authors believe, however, their theory formulation involves essential flaws. The sliding mode control provides robust performance for time-varying wave disturbances and time-varying changes in ship parameters and actuator dynamics.

Abstract: A novel output feedback strategy is presented for the berthing control of underactuated surface ships with nonintegrable acceleration constraint.

Saturations on actuators, systemic uncertainties and drift caused by current or wind are considered. The problems of trajectory planning and tracking are circumvented by means of iterative nonlinear sliding mode control (INSMC) method.

This paper proposes a fixed-time control scheme to ensure that the dynamic positioning can accurately reach the specified position under external interference.

A fixed-time state observer was developed to accurately estimate the total external unknown interference. Based on the dynamic positioning ship motion model, the inversion design method is used to ensure the stability of the system and. A back propagation network sliding mode variable structure control method is proposed for ship course nonlinear control.

Neural network is used to simulate the functional relation between state hyperplane of the system and the exponential reaching law.

A sliding mode control algorithm is derived for tracking a landing trajectory defined by a set of desired waypoints. An extended Kalman filter (EKF) is proposed to account for process and observation noises in the design of a state estimator. The effectiveness of the control algorithm is illustrated through a simulation example.

Edwards, C. and Spurgeon, SK () A sliding mode observer based FDI scheme for the ship benchmark. European Journal of Control, 6, pp. Google Scholar Cross Ref; Edwards, C. and Tan, CP () Sensor fault tolerant control using sliding mode observers.

Control Engineering Practice, 14, pp. Google Scholar Cross Ref. The MSS toolbox includes hydrodynamic models and motion control systems for ships, underwater vehicles and floating structures With an appropriate balance between mathematical theory and practical applications, academic and industrial researchers working in marine and control engineering aspects of manned and unmanned maritime vehicles will.

Control of large ship motions in harbor maneuvers by applying sliding mode control.The book presents selected papers from the 11th International Conference on Modelling, Identification and Control (ICMIC), held in Tianjin, China on JulyIt shares the latest findings on modelling, identification, and control, integrated with Artificial Intelligence (AI).Applied Sciences, an international, peer-reviewed Open Access journal.