Neural Network-Based Fault-Tolerant Control of Underactuated Surface Vessels

Bong Seok Park

Mathematical Problems in Engineering, 2015, vol. 2015, 1-9

Abstract:

This paper addresses the problem of trajectory tracking of underactuated surface vessels (USVs) in the presence of thruster failure. Multilayer neural networks (MNNs) are employed to estimate the unknown model parameters and external disturbances. To design a fault-tolerant controller without a fault detection scheme, we use the Nussbaum gain technique. We introduce an additional control to resolve the difficulty arising from having fewer inputs than degrees-of-freedom. Further, an approach angle is proposed to track both a straight and curved path. Stability analysis and simulations are performed to demonstrate the effectiveness of the proposed scheme.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:903759

DOI: 10.1155/2015/903759

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