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Stefan cel Mare
University of Suceava
Faculty of Electrical Engineering and
Computer Science
13, Universitatii Street
Suceava - 720229
ROMANIA

Print ISSN: 1582-7445
Online ISSN: 1844-7600
WorldCat: 643243560
doi: 10.4316/AECE


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2019-Jun-20
Clarivate Analytics published the InCites Journal Citations Report for 2018. The JCR Impact Factor of Advances in Electrical and Computer Engineering is 0.650, and the JCR 5-Year Impact Factor is 0.639.

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  4/2016 - 13

Digital Resonant Controller based on Modified Tustin Discretization Method

STOJIC, D. See more information about STOJIC, D. on SCOPUS See more information about STOJIC, D. on IEEExplore See more information about STOJIC, D. on Web of Science
 
Click to see author's profile in See more information about the author on SCOPUS SCOPUS, See more information about the author on IEEE Xplore IEEE Xplore, See more information about the author on Web of Science Web of Science

Download PDF pdficon (1,617 KB) | Citation | Downloads: 297 | Views: 1,206

Author keywords
current control, DC-AC power converters, digital filters, motor drives, three-phase electric power

References keywords
power(18), electronics(15), resonant(9), controllers(8), iecon(6), industrial(5), filters(5), digital(5), blaabjerg(5), performance(4)
Blue keywords are present in both the references section and the paper title.

About this article
Date of Publication: 2016-11-30
Volume 16, Issue 4, Year 2016, On page(s): 83 - 88
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: 10.4316/AECE.2016.04013
Web of Science Accession Number: 000390675900013
SCOPUS ID: 85007602709

Abstract
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Resonant controllers are used in power converter voltage and current control due to their simplicity and accuracy. However, digital implementation of resonant controllers introduces problems related to zero and pole mapping from the continuous to the discrete time domain. Namely, some discretization methods introduce significant errors in the digital controller resonant frequency, resulting in the loss of the asymptotic AC reference tracking, especially at high resonant frequencies. The delay compensation typical for resonant controllers can also be compromised. Based on the existing analysis, it can be concluded that the Tustin discretization with frequency prewarping represents a preferable choice from the point of view of the resonant frequency accuracy. However, this discretization method has a shortcoming in applications that require real-time frequency adaptation, since complex trigonometric evaluation is required for each frequency change. In order to overcome this problem, in this paper the modified Tustin discretization method is proposed based on the Taylor series approximation of the frequency prewarping function. By comparing the novel discretization method with commonly used two-integrator-based proportional-resonant (PR) digital controllers, it is shown that the resulting digital controller resonant frequency and time delay compensation errors are significantly reduced for the novel controller.


References | Cited By

Cited-By ISI Web of Science

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Cited-By CrossRef

SCOPUS® Times Cited: 2
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Cited-By CrossRef

[1] Design and Implementation of a 3 kW Single-Phase BESS Using ARM & FPGA, Jokar, M., Ghani, P., Babaei, S., Hafezi, H. R., Abbasi, M., Sadeghi, R., 2019 10th International Power Electronics, Drive Systems and Technologies Conference (PEDSTC), ISBN 978-1-5386-9254-7, 2019.
Digital Object Identifier: 10.1109/PEDSTC.2019.8697233
[CrossRef]

[2] Discrete PID algorithm with non-uniform sampling – Practical implementation in control system, Kondratiuk, Miroslaw, Ambroziak, Leszek, Pawluszewicz, Ewa, Janczak, Justyna, , ISBN , Issue , 2018.
Digital Object Identifier: 10.1063/1.5066491
[CrossRef]

Updated 2 days, 2 hours ago

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Faculty of Electrical Engineering and Computer Science
Stefan cel Mare University of Suceava, Romania


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