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Robust position control synthesis of an electro-hydraulic servo system

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Title: Robust position control synthesis of an electro-hydraulic servo system
Authors: Milić, Vladimir vladimir.milic@fsb.hr, Šitum, Željko zeljko.situm@fsb.hr, Essert, Mario mario.essert@fsb.hr
Source: ISA Transactions. Oct2010, Vol. 49 Issue 4, p535-542. 8p.
Subjects: Robust control, Electrohydraulic servomechanisms, Matrix inequalities, Actuators, Feedback control systems, Linear systems, Mathematical models
Abstract: Abstract: This paper focuses on the use of the techniques based on linear matrix inequalities for robust position control synthesis of an electro-hydraulic servo system. A nonlinear dynamic model of the hydraulic cylindrical actuator with a proportional valve has been developed. For the purpose of the feedback control an uncertain linearized mathematical model of the system has been derived. The structured (parametric) perturbations in the electro-hydraulic coefficients are taken into account. controller extended with an integral action is proposed. To estimate internal states of the electro-hydraulic servo system an observer is designed. Developed control algorithms have been tested experimentally in the laboratory model of an electro-hydraulic servo system. [ABSTRACT FROM AUTHOR]
Copyright of ISA Transactions is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 53408011
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Robust position control synthesis of an electro-hydraulic servo system
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  Data: <searchLink fieldCode="AR" term="%22Milić%2C+Vladimir%22">Milić, Vladimir</searchLink><i> vladimir.milic@fsb.hr</i><br /><searchLink fieldCode="AR" term="%22Šitum%2C+Željko%22">Šitum, Željko</searchLink><i> zeljko.situm@fsb.hr</i><br /><searchLink fieldCode="AR" term="%22Essert%2C+Mario%22">Essert, Mario</searchLink><i> mario.essert@fsb.hr</i>
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  Data: <searchLink fieldCode="JN" term="%22ISA+Transactions%22">ISA Transactions</searchLink>. Oct2010, Vol. 49 Issue 4, p535-542. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Robust+control%22">Robust control</searchLink><br /><searchLink fieldCode="DE" term="%22Electrohydraulic+servomechanisms%22">Electrohydraulic servomechanisms</searchLink><br /><searchLink fieldCode="DE" term="%22Matrix+inequalities%22">Matrix inequalities</searchLink><br /><searchLink fieldCode="DE" term="%22Actuators%22">Actuators</searchLink><br /><searchLink fieldCode="DE" term="%22Feedback+control+systems%22">Feedback control systems</searchLink><br /><searchLink fieldCode="DE" term="%22Linear+systems%22">Linear systems</searchLink><br /><searchLink fieldCode="DE" term="%22Mathematical+models%22">Mathematical models</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Abstract: This paper focuses on the use of the techniques based on linear matrix inequalities for robust position control synthesis of an electro-hydraulic servo system. A nonlinear dynamic model of the hydraulic cylindrical actuator with a proportional valve has been developed. For the purpose of the feedback control an uncertain linearized mathematical model of the system has been derived. The structured (parametric) perturbations in the electro-hydraulic coefficients are taken into account. controller extended with an integral action is proposed. To estimate internal states of the electro-hydraulic servo system an observer is designed. Developed control algorithms have been tested experimentally in the laboratory model of an electro-hydraulic servo system. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of ISA Transactions is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.isatra.2010.06.004
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      – Code: eng
        Text: English
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        PageCount: 8
        StartPage: 535
    Subjects:
      – SubjectFull: Robust control
        Type: general
      – SubjectFull: Electrohydraulic servomechanisms
        Type: general
      – SubjectFull: Matrix inequalities
        Type: general
      – SubjectFull: Actuators
        Type: general
      – SubjectFull: Feedback control systems
        Type: general
      – SubjectFull: Linear systems
        Type: general
      – SubjectFull: Mathematical models
        Type: general
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      – TitleFull: Robust position control synthesis of an electro-hydraulic servo system
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            NameFull: Milić, Vladimir
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            NameFull: Essert, Mario
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              M: 10
              Text: Oct2010
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              Y: 2010
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