Control of a DC-DC Buck Converter through Contraction Techniques.
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| Title: | Control of a DC-DC Buck Converter through Contraction Techniques. |
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| Authors: | Angulo-Garcia, David1 (AUTHOR) dangulog@unicartagena.edu.co, Angulo, Fabiola2 (AUTHOR) fangulog@unal.edu.co, Osorio, Gustavo2 (AUTHOR) gaosoriol@unal.edu.co, Olivar, Gerard3 (AUTHOR) golivart@unal.edu.co |
| Source: | Energies (19961073). Nov2018, Vol. 11 Issue 11, p3086. 1p. |
| Subject Terms: | *Direct currents, *Electric potential, *Converters (Electronics), *Electric power conversion, *Technological innovations |
| Abstract: | Reliable and robust control of power converters is a key issue in the performance of numerous technological devices. In this paper we show a design technique for the control of a DC-DC buck converter with a switching technique that guarantees both good performance and global stability. We show that making use of the contraction theorem in the Jordan canonical form of the buck converter, it is possible to find a switching surface that guarantees stability but it is incapable of rejecting load perturbations. To overcome this, we expand the system to include the dynamics of the voltage error and we demonstrate that the same design procedure is not only able to stabilize the system to the desired operation point but also to reject load, input voltage, and reference voltage perturbations. [ABSTRACT FROM AUTHOR] |
| Database: | Energy & Power Source |
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| Abstract: | Reliable and robust control of power converters is a key issue in the performance of numerous technological devices. In this paper we show a design technique for the control of a DC-DC buck converter with a switching technique that guarantees both good performance and global stability. We show that making use of the contraction theorem in the Jordan canonical form of the buck converter, it is possible to find a switching surface that guarantees stability but it is incapable of rejecting load perturbations. To overcome this, we expand the system to include the dynamics of the voltage error and we demonstrate that the same design procedure is not only able to stabilize the system to the desired operation point but also to reject load, input voltage, and reference voltage perturbations. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 19961073 |
| DOI: | 10.3390/en11113086 |
