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Performance-Invariant Control of Active Magnetic Bearings Based on Dynamic Gain Shaping and Its Parameter Robustness Analysis.

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Title: Performance-Invariant Control of Active Magnetic Bearings Based on Dynamic Gain Shaping and Its Parameter Robustness Analysis.
Authors: Zhang, Ping1 415621328@qq.com, Wang, Xingjie2 15101451549@163.com, Hong, Weiliang1 18198027326@163.com, Guo, Junke1 15294036291@163.com
Source: IAENG International Journal of Applied Mathematics. Jul2026, Vol. 56 Issue 7, p2842-2855. 14p.
Subjects: Magnetic bearings, Robust control, Feedback control systems, Energy storage, Impact loads
Abstract: High-speed active magnetic bearings (AMBs) in flywheel energy storage systems (FESSs) are susceptible to performance degradation and reduced control consistency under sudden load variations and parameter drift. To address this issue, this study proposes a performance-preserving control strategy based on dynamic gain shaping (DGS). By designing state-dependent, time-varying gains, the proposed method dynamically shapes the system's equivalent stiffness and damping, thereby compensating for model mismatch and external disturbances within a unified control framework. An AMB-FESS system is used as a case study, and comparative simulations are conducted to evaluate the proposed DGS method against a benchmark ACAC+RLS control scheme under abrupt load disturbances and parameter mismatch conditions. The results demonstrate that DGS achieves significantly improved peak response characteristics and faster convergence compared to ACAC+RLS. Moreover, it maintains nearly consistent performance over a wide range of parameter variations while requiring lower control energy. These results highlight the effectiveness of the proposed approach for robust AMB control and demonstrate its strong potential for practical engineering applications. [ABSTRACT FROM AUTHOR]
Copyright of IAENG International Journal of Applied Mathematics is the property of International Association of Engineers (IAENG) 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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DbLabel: Engineering Source
An: 195026916
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  Data: Performance-Invariant Control of Active Magnetic Bearings Based on Dynamic Gain Shaping and Its Parameter Robustness Analysis.
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  Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Ping%22">Zhang, Ping</searchLink><relatesTo>1</relatesTo><i> 415621328@qq.com</i><br /><searchLink fieldCode="AR" term="%22Wang%2C+Xingjie%22">Wang, Xingjie</searchLink><relatesTo>2</relatesTo><i> 15101451549@163.com</i><br /><searchLink fieldCode="AR" term="%22Hong%2C+Weiliang%22">Hong, Weiliang</searchLink><relatesTo>1</relatesTo><i> 18198027326@163.com</i><br /><searchLink fieldCode="AR" term="%22Guo%2C+Junke%22">Guo, Junke</searchLink><relatesTo>1</relatesTo><i> 15294036291@163.com</i>
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  Data: <searchLink fieldCode="JN" term="%22IAENG+International+Journal+of+Applied+Mathematics%22">IAENG International Journal of Applied Mathematics</searchLink>. Jul2026, Vol. 56 Issue 7, p2842-2855. 14p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Magnetic+bearings%22">Magnetic bearings</searchLink><br /><searchLink fieldCode="DE" term="%22Robust+control%22">Robust control</searchLink><br /><searchLink fieldCode="DE" term="%22Feedback+control+systems%22">Feedback control systems</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+storage%22">Energy storage</searchLink><br /><searchLink fieldCode="DE" term="%22Impact+loads%22">Impact loads</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: High-speed active magnetic bearings (AMBs) in flywheel energy storage systems (FESSs) are susceptible to performance degradation and reduced control consistency under sudden load variations and parameter drift. To address this issue, this study proposes a performance-preserving control strategy based on dynamic gain shaping (DGS). By designing state-dependent, time-varying gains, the proposed method dynamically shapes the system's equivalent stiffness and damping, thereby compensating for model mismatch and external disturbances within a unified control framework. An AMB-FESS system is used as a case study, and comparative simulations are conducted to evaluate the proposed DGS method against a benchmark ACAC+RLS control scheme under abrupt load disturbances and parameter mismatch conditions. The results demonstrate that DGS achieves significantly improved peak response characteristics and faster convergence compared to ACAC+RLS. Moreover, it maintains nearly consistent performance over a wide range of parameter variations while requiring lower control energy. These results highlight the effectiveness of the proposed approach for robust AMB control and demonstrate its strong potential for practical engineering applications. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of IAENG International Journal of Applied Mathematics is the property of International Association of Engineers (IAENG) 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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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 14
        StartPage: 2842
    Subjects:
      – SubjectFull: Magnetic bearings
        Type: general
      – SubjectFull: Robust control
        Type: general
      – SubjectFull: Feedback control systems
        Type: general
      – SubjectFull: Energy storage
        Type: general
      – SubjectFull: Impact loads
        Type: general
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      – TitleFull: Performance-Invariant Control of Active Magnetic Bearings Based on Dynamic Gain Shaping and Its Parameter Robustness Analysis.
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            NameFull: Zhang, Ping
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            NameFull: Wang, Xingjie
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            NameFull: Hong, Weiliang
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            NameFull: Guo, Junke
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            – D: 01
              M: 07
              Text: Jul2026
              Type: published
              Y: 2026
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            – TitleFull: IAENG International Journal of Applied Mathematics
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