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Extended State Observer-Based Integral Sliding Mode Control for an Underwater Robot With Unknown Disturbances and Uncertain Nonlinearities

Open access
Cui, Rongxin, Chen, Lepeng, Yang, Chenguang, Chen, Mou·2017·IEEE Transactions on Industrial Electronics

Abstract

This paper develops a novel integral sliding mode controller (ISMC) for a general type of underwater robots based on multiple-input and multiple-output extended-state-observer (MIMO-ESO). The difficulties associated with the unmeasured velocities, unknown disturbances, and uncertain hydrodynamics of the robot have been successfully solved in the control design. An adaptive MIMO-ESO is designed not only to estimate the unmeasurable linear and angular velocities, but also to estimate the unknown external disturbances. An ISMC is then designed using Lyapunov synthesis, and an adaptive gain update algorithm is introduced to estimate the upper bound of the uncertainties. Rigorous theoretical analysis is performed to show that the proposed control method is able to achieve asymptotical tracking performance for the underwater robot. Experimental studies are also carried out to validate the effectiveness of the proposed control, and to show that the proposed approach performs better than a conventional potential difference (PD) control approach.

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Metadata

Authors
Cui, R., Chen, L., Yang, C., & Chen, M.
Venue
IEEE Transactions on Industrial Electronics
Published
2017-08
Volume
64
Issue
8
Pages
6785-6795
ISSN
  • 0278-0046 (ISSN-L)
  • 1557-9948
OpenAlex
W4248049034
Cited by
566
References
0
FWCI
50.38
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Extended State Observer-Based Integral Sliding Mode Control for an Underwater Robot With Unknown Disturbances and Uncertain Nonlinearities. https://app.cochat.ai/papers/10.1109/tie.2017.2694410
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Cui, R., Chen, L., Yang, C., & Chen, M. (2017). Extended State Observer-Based Integral Sliding Mode Control for an Underwater Robot With Unknown Disturbances and Uncertain Nonlinearities. IEEE Transactions on Industrial Electronics. https://doi.org/10.1109/tie.2017.2694410

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