A Comparative performance evaluation of a complex-order PI controller for DC–DC converters
Switched-mode DC–DC converters are required to maintain constant output under uncertainties and variations in input voltage and load. The controller’s robustness is crucial in such systems, and hence various controllers have been proposed in the past few decades for DC–DC converter control. Fraction...
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| Format: | Article |
| Language: | English |
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Elsevier
2024-06-01
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| Series: | Results in Control and Optimization |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2666720724000444 |
| _version_ | 1797242942782439424 |
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| author | Preeti Warrier Pritesh Shah Ravi Sekhar |
| author_facet | Preeti Warrier Pritesh Shah Ravi Sekhar |
| author_sort | Preeti Warrier |
| collection | DOAJ |
| description | Switched-mode DC–DC converters are required to maintain constant output under uncertainties and variations in input voltage and load. The controller’s robustness is crucial in such systems, and hence various controllers have been proposed in the past few decades for DC–DC converter control. Fractional order PID controllers have attracted the attention of researchers due to their robustness and flexibility in control of power converters. Such controllers use fractional orders of integration and differentiation. Complex order controllers are the generalized form of the fractional order PID controllers and have complex orders of integration and differentiation. These controllers are very robust in the control of nonlinear systems with time-varying parameters. But complex order controllers have been very sparingly used in power electronic control. This paper proposes a complex order PI controller with a complex order integrator for controlling DC–DC buck and boost converters. The complex PID controller has four parameters to be tuned. The complex order PI controller is designed by optimization using the metaheuristic Cohort Intelligence algorithm. The results are compared with that of a fractional-order PID controller. It was observed that the complex PI controller gave a better response than the FOPID controller and was more robust to parameter variations. |
| first_indexed | 2024-04-24T18:47:14Z |
| format | Article |
| id | doaj.art-3d4d32c49bdd406daa688108444289d4 |
| institution | Directory Open Access Journal |
| issn | 2666-7207 |
| language | English |
| last_indexed | 2024-04-24T18:47:14Z |
| publishDate | 2024-06-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Results in Control and Optimization |
| spelling | doaj.art-3d4d32c49bdd406daa688108444289d42024-03-27T04:53:13ZengElsevierResults in Control and Optimization2666-72072024-06-0115100414A Comparative performance evaluation of a complex-order PI controller for DC–DC convertersPreeti Warrier0Pritesh Shah1Ravi Sekhar2Army Institute of Technology, Pune 411015, IndiaSymbiosis Institute of Technology (SIT), Pune Campus, Symbiosis International (Deemed University) (SIU), Pune, 412115, Maharashtra, India; Corresponding author.Symbiosis Institute of Technology (SIT), Pune Campus, Symbiosis International (Deemed University) (SIU), Pune, 412115, Maharashtra, IndiaSwitched-mode DC–DC converters are required to maintain constant output under uncertainties and variations in input voltage and load. The controller’s robustness is crucial in such systems, and hence various controllers have been proposed in the past few decades for DC–DC converter control. Fractional order PID controllers have attracted the attention of researchers due to their robustness and flexibility in control of power converters. Such controllers use fractional orders of integration and differentiation. Complex order controllers are the generalized form of the fractional order PID controllers and have complex orders of integration and differentiation. These controllers are very robust in the control of nonlinear systems with time-varying parameters. But complex order controllers have been very sparingly used in power electronic control. This paper proposes a complex order PI controller with a complex order integrator for controlling DC–DC buck and boost converters. The complex PID controller has four parameters to be tuned. The complex order PI controller is designed by optimization using the metaheuristic Cohort Intelligence algorithm. The results are compared with that of a fractional-order PID controller. It was observed that the complex PI controller gave a better response than the FOPID controller and was more robust to parameter variations.http://www.sciencedirect.com/science/article/pii/S2666720724000444Fractional calculusFractional PID controllerComplex order controllerDC–DC converters |
| spellingShingle | Preeti Warrier Pritesh Shah Ravi Sekhar A Comparative performance evaluation of a complex-order PI controller for DC–DC converters Results in Control and Optimization Fractional calculus Fractional PID controller Complex order controller DC–DC converters |
| title | A Comparative performance evaluation of a complex-order PI controller for DC–DC converters |
| title_full | A Comparative performance evaluation of a complex-order PI controller for DC–DC converters |
| title_fullStr | A Comparative performance evaluation of a complex-order PI controller for DC–DC converters |
| title_full_unstemmed | A Comparative performance evaluation of a complex-order PI controller for DC–DC converters |
| title_short | A Comparative performance evaluation of a complex-order PI controller for DC–DC converters |
| title_sort | comparative performance evaluation of a complex order pi controller for dc dc converters |
| topic | Fractional calculus Fractional PID controller Complex order controller DC–DC converters |
| url | http://www.sciencedirect.com/science/article/pii/S2666720724000444 |
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