Research on Coordinated Robotic Motion Control Based on Fuzzy Decoupling Method in Fluidic Environments
The underwater recovery of autonomous underwater vehicles (AUV) is a process of 6-DOF motion control, which is related to characteristics with strong nonlinearity and coupling. In the recovery mission, the vehicle requires high level control accuracy. Considering an AUV called BSAV, this paper estab...
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doaj-3588b4fa111c4980824fce0b141bd0c72020-11-24T22:49:50ZengHindawi LimitedMathematical Problems in Engineering1024-123X1563-51472014-01-01201410.1155/2014/820258820258Research on Coordinated Robotic Motion Control Based on Fuzzy Decoupling Method in Fluidic EnvironmentsWei Zhang0Haitian Chen1Tao Chen2Zheping Yan3Hongliang Ren4College of Automation, Harbin Engineering University, Harbin, Heilongjiang 150001, ChinaCollege of Automation, Harbin Engineering University, Harbin, Heilongjiang 150001, ChinaCollege of Automation, Harbin Engineering University, Harbin, Heilongjiang 150001, ChinaCollege of Automation, Harbin Engineering University, Harbin, Heilongjiang 150001, ChinaDepartment of Bioengineering, National University of Singapore, 117575, SingaporeThe underwater recovery of autonomous underwater vehicles (AUV) is a process of 6-DOF motion control, which is related to characteristics with strong nonlinearity and coupling. In the recovery mission, the vehicle requires high level control accuracy. Considering an AUV called BSAV, this paper established a kinetic model to describe the motion of AUV in the horizontal plane, which consisted of nonlinear equations. On the basis of this model, the main coupling variables were analyzed during recovery. Aiming at the strong coupling problem between the heading control and sway motion, we designed a decoupling compensator based on the fuzzy theory and the decoupling theory. We analyzed to the rules of fuzzy compensation, the input and output membership functions of fuzzy compensator, through compose operation and clear operation of fuzzy reasoning, and obtained decoupling compensation quantity. Simulation results show that the fuzzy decoupling controller effectively reduces the overshoot of the system, and improves the control precision. Through the water tank experiments and analysis of experimental data, the effectiveness and feasibility of AUV recovery movement coordinated control based on fuzzy decoupling method are validated successful, and show that the fuzzy decoupling control method has a high practical value in the recovery mission.http://dx.doi.org/10.1155/2014/820258 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Wei Zhang Haitian Chen Tao Chen Zheping Yan Hongliang Ren |
spellingShingle |
Wei Zhang Haitian Chen Tao Chen Zheping Yan Hongliang Ren Research on Coordinated Robotic Motion Control Based on Fuzzy Decoupling Method in Fluidic Environments Mathematical Problems in Engineering |
author_facet |
Wei Zhang Haitian Chen Tao Chen Zheping Yan Hongliang Ren |
author_sort |
Wei Zhang |
title |
Research on Coordinated Robotic Motion Control Based on Fuzzy Decoupling Method in Fluidic Environments |
title_short |
Research on Coordinated Robotic Motion Control Based on Fuzzy Decoupling Method in Fluidic Environments |
title_full |
Research on Coordinated Robotic Motion Control Based on Fuzzy Decoupling Method in Fluidic Environments |
title_fullStr |
Research on Coordinated Robotic Motion Control Based on Fuzzy Decoupling Method in Fluidic Environments |
title_full_unstemmed |
Research on Coordinated Robotic Motion Control Based on Fuzzy Decoupling Method in Fluidic Environments |
title_sort |
research on coordinated robotic motion control based on fuzzy decoupling method in fluidic environments |
publisher |
Hindawi Limited |
series |
Mathematical Problems in Engineering |
issn |
1024-123X 1563-5147 |
publishDate |
2014-01-01 |
description |
The underwater recovery of autonomous underwater vehicles (AUV) is a process of 6-DOF motion control, which is related to characteristics with strong nonlinearity and coupling. In the recovery mission, the vehicle requires high level control accuracy. Considering an AUV called BSAV, this paper established a kinetic model to describe the motion of AUV in the horizontal plane, which consisted of nonlinear equations. On the basis of this model, the main coupling variables were analyzed during recovery. Aiming at the strong coupling problem between the heading control and sway motion, we designed a decoupling compensator based on the fuzzy theory and the decoupling theory. We analyzed to the rules of fuzzy compensation, the input and output membership functions of fuzzy compensator, through compose operation and clear operation of fuzzy reasoning, and obtained decoupling compensation quantity. Simulation results show that the fuzzy decoupling controller effectively reduces the overshoot of the system, and improves the control precision. Through the water tank experiments and analysis of experimental data, the effectiveness and feasibility of AUV recovery movement coordinated control based on fuzzy decoupling method are validated successful, and show that the fuzzy decoupling control method has a high practical value in the recovery mission. |
url |
http://dx.doi.org/10.1155/2014/820258 |
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