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THE USE OF ANTIALIASING FILTER IN POWER CONVERTERS DIGITAL CONTROL SYSTEM

Authors: Zamaruiev, Volodymyr Vasylovych;

THE USE OF ANTIALIASING FILTER IN POWER CONVERTERS DIGITAL CONTROL SYSTEM

Abstract

Для исключения смешения спектров в системах с цифровой обработкой сигналов используются антиалиасинговые фильтры. Цифровые системы управления преобразователями электрической энергии, как системы реального времени, накладывают на характеристики этих фильтров дополнительные ограничения. В статье определены особенности применения антиалиасинговых фильтров в системах реального времени. Проведено математическое моделирование наиболее распространенных типов фильтров в приложении к цифровым системам управления. Сформулированы требования к характеристикам фильтров в зависимости от спектрального состава входного сигнала системы.

Anti-aliasing filters are used to exclude mixing spectra in systems with digital signal processing. Digital control system of electric power converters, as real-time systems, applies additional restrictions to the response of these filters. The paper defines features of the application of anti-aliasing filters in real-time systems. Mathematical modeling of the most common types of filters in the application to digital control systems has been made. The requirements to the characteristics of filters, depending on the spectral composition of the input signal have been formulated.

Для виключення змішання спектрів у системах із цифровою обробкою сигналів використовуються антиаліасінгові фільтри. Цифрові системи керування перетворювачами електричної енергії, як системи реального часу, накладають на характеристики цих фільтрів додаткові обмеження. В статті визначені особливості використання антиаліасінгових фільтрів у системах реального часу. Проведене математичне моделювання найпоширеніших типів фільтрів у застосуванні до цифрових систем керування. Сформульовані вимоги до характеристик фільтрів залежно від спектрального складу вхідного сигналу системи.

Keywords

anti-aliasing filter; cutoff frequency; band pass; digital signal processing; digital control system; power converter., антиаліасінговий фільтр; частота зрізу; полоса пропускання; цифрова обробка сигналів; цифрова система керування; перетворювач електричної енергії.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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