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Multiple input disturbance decoupling for suspension control.

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Title: Multiple input disturbance decoupling for suspension control.
Authors: Wang, Fu-Cheng1 (AUTHOR) fcw@ntu.edu.tw, Lee, Chung-Hsien1 (AUTHOR)
Source: Journal of Vibration & Control. Jun2026, Vol. 32 Issue 11/12, p2941-2954. 14p.
Subjects: Motor vehicle springs & suspension, Multivariable control systems, Feedback control systems
Abstract: This paper applies multiple input disturbance decoupling (MIDD) control to vehicle suspension systems, which must deal with two input disturbances: road irregularities and load disturbances. Multi-input systems usually have multiple performance requirements and must compromise system settings to respond satisfactorily to different inputs. For instance, vehicle suspensions need low stiffness to isolate road irregularities but require high impedance to suppress load disturbances. Hence, suspension control becomes typically a trade-off between these conflicting settings. This paper introduces the MIDD control to solve these compromises. First, we introduce the input disturbance decoupling (IDD) lemma, which can adjust specified input responses while keeping others unchanged. Two sets of optimal IDD controllers are designed: one insulates road irregularities and the other represses load disturbances. The MIDD theorem can then combine these IDD controls to achieve optimal performance simultaneously while avoiding cross-influences. Finally, we conduct experiments to demonstrate the practicability and effectiveness of the MIDD control. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Vibration & Control is the property of Sage Publications, Ltd. 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: 194090068
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
  Group: Ti
  Data: Multiple input disturbance decoupling for suspension control.
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Fu-Cheng%22">Wang, Fu-Cheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> fcw@ntu.edu.tw</i><br /><searchLink fieldCode="AR" term="%22Lee%2C+Chung-Hsien%22">Lee, Chung-Hsien</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Vibration+%26+Control%22">Journal of Vibration & Control</searchLink>. Jun2026, Vol. 32 Issue 11/12, p2941-2954. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Motor+vehicle+springs+%26+suspension%22">Motor vehicle springs & suspension</searchLink><br /><searchLink fieldCode="DE" term="%22Multivariable+control+systems%22">Multivariable control systems</searchLink><br /><searchLink fieldCode="DE" term="%22Feedback+control+systems%22">Feedback control systems</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This paper applies multiple input disturbance decoupling (MIDD) control to vehicle suspension systems, which must deal with two input disturbances: road irregularities and load disturbances. Multi-input systems usually have multiple performance requirements and must compromise system settings to respond satisfactorily to different inputs. For instance, vehicle suspensions need low stiffness to isolate road irregularities but require high impedance to suppress load disturbances. Hence, suspension control becomes typically a trade-off between these conflicting settings. This paper introduces the MIDD control to solve these compromises. First, we introduce the input disturbance decoupling (IDD) lemma, which can adjust specified input responses while keeping others unchanged. Two sets of optimal IDD controllers are designed: one insulates road irregularities and the other represses load disturbances. The MIDD theorem can then combine these IDD controls to achieve optimal performance simultaneously while avoiding cross-influences. Finally, we conduct experiments to demonstrate the practicability and effectiveness of the MIDD control. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Vibration & Control is the property of Sage Publications, Ltd. 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:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1177/10775463251335064
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 14
        StartPage: 2941
    Subjects:
      – SubjectFull: Motor vehicle springs & suspension
        Type: general
      – SubjectFull: Multivariable control systems
        Type: general
      – SubjectFull: Feedback control systems
        Type: general
    Titles:
      – TitleFull: Multiple input disturbance decoupling for suspension control.
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      – PersonEntity:
          Name:
            NameFull: Wang, Fu-Cheng
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          Name:
            NameFull: Lee, Chung-Hsien
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          Dates:
            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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              Value: 32
            – Type: issue
              Value: 11/12
          Titles:
            – TitleFull: Journal of Vibration & Control
              Type: main
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