The paper is devoted to a new nonlinear discontinuous control algorithm and its applications in underwater robotics. The proposed approach is based on the usage of a relay control signals and coupled switching surfaces in order to improve the characteristics of a system. The choice of nonlinear switching functions to approximate own phase trajectories of a system in a case of relay control inputs, makes possible to get fast transient processes and high energy effectiveness. The derived approach is proven by applying it for controlling a remotely operated vehicle with parameters from a real ROV. Simulation results show the effectiveness of the proposed approach.

A Nonlinear System with Coupled Switching Surfaces for Remotely Operated Vehicle Control / Dyda, A. A.; Oskin, D.; Longhi, Sauro; Monteriu', Andrea. - ELETTRONICO. - 49:(2016), pp. 311-316. (Intervento presentato al convegno 10th IFAC Conference on Control Applications in Marine Systems tenutosi a Trondheim, Norway nel 13-16 September, 2016) [10.1016/j.ifacol.2016.10.360].

A Nonlinear System with Coupled Switching Surfaces for Remotely Operated Vehicle Control

LONGHI, SAURO;MONTERIU', Andrea
2016-01-01

Abstract

The paper is devoted to a new nonlinear discontinuous control algorithm and its applications in underwater robotics. The proposed approach is based on the usage of a relay control signals and coupled switching surfaces in order to improve the characteristics of a system. The choice of nonlinear switching functions to approximate own phase trajectories of a system in a case of relay control inputs, makes possible to get fast transient processes and high energy effectiveness. The derived approach is proven by applying it for controlling a remotely operated vehicle with parameters from a real ROV. Simulation results show the effectiveness of the proposed approach.
2016
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11566/239063
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