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A Neurodynamics Control Strategy for Real-Time Tracking Control of Autonomous Underwater Vehicles

Published online by Cambridge University Press:  29 August 2013

Daqi Zhu*
Affiliation:
(Laboratory of Underwater Vehicles and Intelligent Systems, Shanghai Maritime University)
Xun Hua
Affiliation:
(Laboratory of Underwater Vehicles and Intelligent Systems, Shanghai Maritime University)
Bing Sun
Affiliation:
(Laboratory of Underwater Vehicles and Intelligent Systems, Shanghai Maritime University)
*

Abstract

A biologically inspired neurodynamics-based tracking controller of underactuated Autonomous Underwater Vehicles (AUV) is proposed in this paper. The proposed control strategy includes a velocity controller with biological neurons and an adaptive sliding mode controller. The biological neurons are embedded into the backstepping velocity controller to eliminate the sharp speed jumps commonly existing in vehicles due to tracking errors changing suddenly. The outputs of the velocity controller are used as the command inputs of the sliding mode controller, and the thruster control constraints problems that are commonly seen in the backstepping control of AUV are solved by the proposed controller. Simulation results show that the control strategy achieved success in smoothly tracking AUV position and velocity.

Information

Type
Research Article
Copyright
Copyright © The Royal Institute of Navigation 2013 

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