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Distortion Analysis and Compensation for a Space Contact HIL Simulator with Force Delay and Dead Zone.

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Title: Distortion Analysis and Compensation for a Space Contact HIL Simulator with Force Delay and Dead Zone.
Authors: Li, Dongjin1 (AUTHOR) ldj0807@sjtu.edu.cn, Li, Huayang2 (AUTHOR) lihuayang231101@163.com, Qi, Chenkun3 (AUTHOR) chenkqi@sjtu.edu.cn, Hu, Yan4 (AUTHOR) humman123@sjtu.edu.cn, Gao, Feng5 (AUTHOR) fengg@sjtu.edu.cn, Zhao, Xianchao3 (AUTHOR) xczhao@sjtu.edu.cn
Source: Journal of Aerospace Engineering. May2026, Vol. 39 Issue 3, p1-11. 11p.
Subjects: Hardware-in-the-loop simulation, Time delay estimation, Observability (Control theory), Nonlinear theories
Abstract: A space contact hardware-in-the-loop (HIL) simulator is a key facility for ground testing of space contact processes. It must faithfully reproduce the dynamics in space. Force delay is known to induce instability. To suppress velocity drift from noisy force signals, a dead zone is often introduced. In this study, we show that a dead zone is able to not only induce divergence, but also induce convergence. To address this issue, we propose an integrated compensator that combines a hybrid Smith predictor with a dead zone disturbance observer. It jointly addresses delay and dead zone distortions. The proposed method is effective for both divergent and convergent distortions. Verifications and applications validate the approach. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Aerospace Engineering is the property of American Society of Civil Engineers 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: 192320897
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Distortion Analysis and Compensation for a Space Contact HIL Simulator with Force Delay and Dead Zone.
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  Data: <searchLink fieldCode="AR" term="%22Li%2C+Dongjin%22">Li, Dongjin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> ldj0807@sjtu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Li%2C+Huayang%22">Li, Huayang</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> lihuayang231101@163.com</i><br /><searchLink fieldCode="AR" term="%22Qi%2C+Chenkun%22">Qi, Chenkun</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> chenkqi@sjtu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Hu%2C+Yan%22">Hu, Yan</searchLink><relatesTo>4</relatesTo> (AUTHOR)<i> humman123@sjtu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Gao%2C+Feng%22">Gao, Feng</searchLink><relatesTo>5</relatesTo> (AUTHOR)<i> fengg@sjtu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Zhao%2C+Xianchao%22">Zhao, Xianchao</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> xczhao@sjtu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Aerospace+Engineering%22">Journal of Aerospace Engineering</searchLink>. May2026, Vol. 39 Issue 3, p1-11. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Hardware-in-the-loop+simulation%22">Hardware-in-the-loop simulation</searchLink><br /><searchLink fieldCode="DE" term="%22Time+delay+estimation%22">Time delay estimation</searchLink><br /><searchLink fieldCode="DE" term="%22Observability+%28Control+theory%29%22">Observability (Control theory)</searchLink><br /><searchLink fieldCode="DE" term="%22Nonlinear+theories%22">Nonlinear theories</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: A space contact hardware-in-the-loop (HIL) simulator is a key facility for ground testing of space contact processes. It must faithfully reproduce the dynamics in space. Force delay is known to induce instability. To suppress velocity drift from noisy force signals, a dead zone is often introduced. In this study, we show that a dead zone is able to not only induce divergence, but also induce convergence. To address this issue, we propose an integrated compensator that combines a hybrid Smith predictor with a dead zone disturbance observer. It jointly addresses delay and dead zone distortions. The proposed method is effective for both divergent and convergent distortions. Verifications and applications validate the approach. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Aerospace Engineering is the property of American Society of Civil Engineers 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.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=192320897
RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1061/JAEEEZ.ASENG-6727
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 11
        StartPage: 1
    Subjects:
      – SubjectFull: Hardware-in-the-loop simulation
        Type: general
      – SubjectFull: Time delay estimation
        Type: general
      – SubjectFull: Observability (Control theory)
        Type: general
      – SubjectFull: Nonlinear theories
        Type: general
    Titles:
      – TitleFull: Distortion Analysis and Compensation for a Space Contact HIL Simulator with Force Delay and Dead Zone.
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            NameFull: Li, Dongjin
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            NameFull: Li, Huayang
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            NameFull: Qi, Chenkun
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            NameFull: Hu, Yan
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            NameFull: Gao, Feng
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            NameFull: Zhao, Xianchao
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            – D: 01
              M: 05
              Text: May2026
              Type: published
              Y: 2026
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              Value: 39
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            – TitleFull: Journal of Aerospace Engineering
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