Enhanced disturbance mitigation in nonlinear time delay systems with applications to double boost converters in microgrid environments
Abstract This study proposes an enhanced Smith Predictor (ESP) based Modified repetitive control (MRC) technique to develop a precise tracking performance of the input delayed double boost converter model, which is highly influenced by disturbances and saturation nonlinearity. A group of inequalitie...
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2025-01-01
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| Series: | Scientific Reports |
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| Online Access: | https://doi.org/10.1038/s41598-024-82693-0 |
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| author | Mohanapriya Saminathan Deepa Kaliyaperumal Gopalakrishnan Ennappadam Ananthanarayanan Deepa Gupta Varikuti Sai Soumya Reddy |
| author_facet | Mohanapriya Saminathan Deepa Kaliyaperumal Gopalakrishnan Ennappadam Ananthanarayanan Deepa Gupta Varikuti Sai Soumya Reddy |
| author_sort | Mohanapriya Saminathan |
| collection | DOAJ |
| description | Abstract This study proposes an enhanced Smith Predictor (ESP) based Modified repetitive control (MRC) technique to develop a precise tracking performance of the input delayed double boost converter model, which is highly influenced by disturbances and saturation nonlinearity. A group of inequalities is derived on the basis of Lyapunov stability concept, which are in the form of linear-matrix-inequalities (LMIs) to guarantee the asymptotic stability and tracking performance of the considered delayed double boost converter. To be more specific, the proposed Lyapunov method not only provides the asymptotic stability of the system but also design the controller parameters when the feasibility of the derived LMIs are analyzed. The validation of the suggested ESP based MRC technique is confirmed through the simulation analysis and the corresponding outcomes from the considered double boost converter model. Moreover, the recommended control procedure yields better accuracy in tracking performance and disturbance elimination when comparing with the existing active disturbance methods such as improved equivalent-input-disturbance (IEID), parallel EID (PEID), higher-order EID (HEID) and EID based Smith predictor (SP) techniques. |
| format | Article |
| id | doaj-art-b39fb3ec98c649619e50b1fd67c732ac |
| institution | Kabale University |
| issn | 2045-2322 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj-art-b39fb3ec98c649619e50b1fd67c732ac2025-01-26T12:27:38ZengNature PortfolioScientific Reports2045-23222025-01-0115112010.1038/s41598-024-82693-0Enhanced disturbance mitigation in nonlinear time delay systems with applications to double boost converters in microgrid environmentsMohanapriya Saminathan0Deepa Kaliyaperumal1Gopalakrishnan Ennappadam Ananthanarayanan2Deepa Gupta3Varikuti Sai Soumya Reddy4Department of Computer Science and Engineering, Amrita School of Computing, Amrita Vishwa VidyapeethamDepartment of Electrical and Electronics Engineering, Amrita School of Engineering, Amrita Vishwa VidyapeethamDepartment of Computer Science and Engineering, Amrita School of Computing, Amrita Vishwa VidyapeethamDepartment of Computer Science and Engineering, Amrita School of Computing, Amrita Vishwa VidyapeethamDepartment of Electrical and Electronics Engineering, Amrita School of Engineering, Amrita Vishwa VidyapeethamAbstract This study proposes an enhanced Smith Predictor (ESP) based Modified repetitive control (MRC) technique to develop a precise tracking performance of the input delayed double boost converter model, which is highly influenced by disturbances and saturation nonlinearity. A group of inequalities is derived on the basis of Lyapunov stability concept, which are in the form of linear-matrix-inequalities (LMIs) to guarantee the asymptotic stability and tracking performance of the considered delayed double boost converter. To be more specific, the proposed Lyapunov method not only provides the asymptotic stability of the system but also design the controller parameters when the feasibility of the derived LMIs are analyzed. The validation of the suggested ESP based MRC technique is confirmed through the simulation analysis and the corresponding outcomes from the considered double boost converter model. Moreover, the recommended control procedure yields better accuracy in tracking performance and disturbance elimination when comparing with the existing active disturbance methods such as improved equivalent-input-disturbance (IEID), parallel EID (PEID), higher-order EID (HEID) and EID based Smith predictor (SP) techniques.https://doi.org/10.1038/s41598-024-82693-0Double boost converterSaturation inputEnhanced Smith PredictorDisturbance estimationModified repetitive controllerSDGs-7 |
| spellingShingle | Mohanapriya Saminathan Deepa Kaliyaperumal Gopalakrishnan Ennappadam Ananthanarayanan Deepa Gupta Varikuti Sai Soumya Reddy Enhanced disturbance mitigation in nonlinear time delay systems with applications to double boost converters in microgrid environments Scientific Reports Double boost converter Saturation input Enhanced Smith Predictor Disturbance estimation Modified repetitive controller SDGs-7 |
| title | Enhanced disturbance mitigation in nonlinear time delay systems with applications to double boost converters in microgrid environments |
| title_full | Enhanced disturbance mitigation in nonlinear time delay systems with applications to double boost converters in microgrid environments |
| title_fullStr | Enhanced disturbance mitigation in nonlinear time delay systems with applications to double boost converters in microgrid environments |
| title_full_unstemmed | Enhanced disturbance mitigation in nonlinear time delay systems with applications to double boost converters in microgrid environments |
| title_short | Enhanced disturbance mitigation in nonlinear time delay systems with applications to double boost converters in microgrid environments |
| title_sort | enhanced disturbance mitigation in nonlinear time delay systems with applications to double boost converters in microgrid environments |
| topic | Double boost converter Saturation input Enhanced Smith Predictor Disturbance estimation Modified repetitive controller SDGs-7 |
| url | https://doi.org/10.1038/s41598-024-82693-0 |
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