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Suboptimal attitude control of unknown flexible space debris.

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Title: Suboptimal attitude control of unknown flexible space debris.
Authors: Shakouri, Amir1 (AUTHOR), Emami, M. Reza1 (AUTHOR) emami@utias.utoronto.ca
Source: Advances in Space Research. Nov2022, Vol. 70 Issue 10, p3051-3064. 14p.
Subjects: Space debris, Cost functions, Riccati equation, Solar panels, Energy function, CubeSats (Artificial satellites)
Abstract: This paper introduces a suboptimal controller with guaranteed global convergence for attitude control of space debris with unknown mass and flexibility properties. The proposed output-feedback control scheme can be implemented in real-time, does not need velocity measurements, and even under actuator faults and external disturbances converges to the vicinity of an energy-optimal solution. The controller essentially modifies the active disturbance rejection control scheme with variable state-dependent gains to minimize the energy cost function based on the solution of the Riccati equation. It is especially applicable to efficient detumbling of decommissioned or dysfunctional spacecraft with flexible solar panels, antennas, and booms, using a Deorbiter CubeSat. Simulations are carried out to demonstrate the effectiveness of the proposed scheme versus proportional-derivative controllers with an extended state observer, which need a system model for assigning their gains, as well as conventional active disturbance rejection controllers. [ABSTRACT FROM AUTHOR]
Copyright of Advances in Space Research is the property of Pergamon Press - An Imprint of Elsevier Science 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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PubType: Academic Journal
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  Data: Suboptimal attitude control of unknown flexible space debris.
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  Data: <searchLink fieldCode="AR" term="%22Shakouri%2C+Amir%22">Shakouri, Amir</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Emami%2C+M%2E+Reza%22">Emami, M. Reza</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> emami@utias.utoronto.ca</i>
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  Data: <searchLink fieldCode="JN" term="%22Advances+in+Space+Research%22">Advances in Space Research</searchLink>. Nov2022, Vol. 70 Issue 10, p3051-3064. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Space+debris%22">Space debris</searchLink><br /><searchLink fieldCode="DE" term="%22Cost+functions%22">Cost functions</searchLink><br /><searchLink fieldCode="DE" term="%22Riccati+equation%22">Riccati equation</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+panels%22">Solar panels</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+function%22">Energy function</searchLink><br /><searchLink fieldCode="DE" term="%22CubeSats+%28Artificial+satellites%29%22">CubeSats (Artificial satellites)</searchLink>
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  Data: This paper introduces a suboptimal controller with guaranteed global convergence for attitude control of space debris with unknown mass and flexibility properties. The proposed output-feedback control scheme can be implemented in real-time, does not need velocity measurements, and even under actuator faults and external disturbances converges to the vicinity of an energy-optimal solution. The controller essentially modifies the active disturbance rejection control scheme with variable state-dependent gains to minimize the energy cost function based on the solution of the Riccati equation. It is especially applicable to efficient detumbling of decommissioned or dysfunctional spacecraft with flexible solar panels, antennas, and booms, using a Deorbiter CubeSat. Simulations are carried out to demonstrate the effectiveness of the proposed scheme versus proportional-derivative controllers with an extended state observer, which need a system model for assigning their gains, as well as conventional active disturbance rejection controllers. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Group: Ab
  Data: <i>Copyright of Advances in Space Research is the property of Pergamon Press - An Imprint of Elsevier Science 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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    Identifiers:
      – Type: doi
        Value: 10.1016/j.asr.2022.07.064
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 14
        StartPage: 3051
    Subjects:
      – SubjectFull: Space debris
        Type: general
      – SubjectFull: Cost functions
        Type: general
      – SubjectFull: Riccati equation
        Type: general
      – SubjectFull: Solar panels
        Type: general
      – SubjectFull: Energy function
        Type: general
      – SubjectFull: CubeSats (Artificial satellites)
        Type: general
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      – TitleFull: Suboptimal attitude control of unknown flexible space debris.
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            NameFull: Shakouri, Amir
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              Text: Nov2022
              Type: published
              Y: 2022
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