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7 Results Found

  • Article
  • Open Access
12 Citations
3,332 Views
29 Pages

Online Learning Based Underwater Robotic Thruster Fault Detection

  • Gaofei Xu,
  • Wei Guo,
  • Yang Zhao,
  • Yue Zhou,
  • Yinlong Zhang,
  • Xinyu Liu,
  • Gaopeng Xu and
  • Guangwei Li

16 April 2021

This paper presents a novel online learning-based fault detection designed for underwater robotic thruster health monitoring. In the fault detection algorithm, we build a mathematical model between the control variable and the propeller speed by fitt...

  • Article
  • Open Access
1 Citations
4,438 Views
20 Pages

1 November 2019

Security enhancement and cost reduction have become crucial goals for second-generation reusable launch vehicles (RLV). The thruster is an important actuator for an RLV, and its control normally requires a valve capable of high-frequency operation, w...

  • Article
  • Open Access
38 Citations
7,527 Views
30 Pages

Fault-Tolerant Control for ROVs Using Control Reallocation and Power Isolation

  • Romano Capocci,
  • Edin Omerdic,
  • Gerard Dooly and
  • Daniel Toal

This paper describes a novel thruster fault-tolerant control system (FTC) for open-frame remotely operated vehicles (ROVs). The proposed FTC consists of two subsystems: a model-free thruster fault detection and isolation subsystem (FDI) and a fault a...

  • Article
  • Open Access
5 Citations
1,908 Views
25 Pages

Fault Tolerant Control in Underwater Vehicles

  • Chang Liu,
  • Vladimir Filaretov,
  • Alexander Zuev,
  • Alexander Protsenko and
  • Alexey Zhirabok

14 October 2024

The article discusses the problem of adaptive system synthesis to provide the detection, estimation, and elimination of the negative consequences of faults in the thrusters of underwater robots and deviations of their parameters. For this purpose, an...

  • Article
  • Open Access
10 Citations
2,861 Views
17 Pages

A Research on Fault Diagnosis of a USV Thruster Based on PCA and Entropy

  • Ki-Beom Choo,
  • Hyunjoon Cho,
  • Jung-Hyeun Park,
  • Jiafeng Huang,
  • Dongwook Jung,
  • Jihyeong Lee,
  • Sang-Ki Jeong,
  • Jongsu Yoon,
  • Jinhun Choo and
  • Hyeung-Sik Choi

6 March 2023

This study focuses on faults in the thrusters of unmanned surface vehicles, which are fatal to the integrity of their missions. As for the fault conditions, the breakage of the thruster blade and the entanglement of floating objects were selected, an...

  • Article
  • Open Access
1 Citations
2,179 Views
18 Pages

19 April 2024

This study presents a swarm-control algorithm to overcome the limitations inherent to single-object systems. The leader–follower swarm-control method was selected for its ease of mathematical interpretation and theoretical potential for the unl...

  • Article
  • Open Access
7 Citations
3,793 Views
16 Pages

24 December 2020

Modern seagoing ships are often equipped with converters which utilize semiconductor power electronics devices like thyristors or power transistors. Most of them are used in driving applications such as powerful main propulsion plants, auxiliary podd...