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Wyszukujesz frazę "fault-tolerant control system" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Universal System for Detection and Compensation of Current Sensor Faults in Three-Phase Power Electronic Systems
Autorzy:
Dybkowski, Mateusz
Jankowska, Kamila Anna
Powiązania:
https://bibliotekanauki.pl/articles/2175934.pdf
Data publikacji:
2022
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
FTC
fault-tolerant control system
active rectifier
current sensor
PMSM
permanent magnet synchronous motor
IM
induction motor
diagnostics
Opis:
The article discusses the universal current sensor fault detection and compensation mechanism, which can be applied in three-phase power electronics (PE) symmetrical system. The mechanism is based on the assumption that a symmetrical system can be described using different components in the stationary reference frame. The solution given in article as a Cri-base detector was tested in electrical drives with induction motors (IMs) and permanent magnet synchronous motors (PMSMs). This study also proves that the same algorithm can work stable in active rectifier systems. Such an application of this detector has not been previously reported in the literature. The article describes the detection of various types of faults in different phases. The fault-tolerant voltage-oriented control (FTVOC) of an active rectifier is compared with previously described solutions for IMs and PMSMs. By analysing in various types of systems, the work proves the universality of the detector based on Cri markers.
Źródło:
Power Electronics and Drives; 2022, 7, 42; 267--278
2451-0262
2543-4292
Pojawia się w:
Power Electronics and Drives
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rotor Resistance Estimator based on Virtual Current Sensor Algorithm for Induction Motor Drives
Autorzy:
Adamczyk, Michał
Powiązania:
https://bibliotekanauki.pl/articles/1193854.pdf
Data publikacji:
2020
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
induction motor drive
rotor resistance estimator
model reference adaptive system
virtual current sensor
fault tolerant control
Opis:
In this article, model reference adaptive system (MRAS)-based estimator of a rotor resistance of an induction motor (IM) is presented. In contrast to the solutions known from the literature, the reference model of this estimator uses the measured values of the phase current and the adaptive part is a virtual current sensor. The article presents an accurate description of the algorithm taking into account the discrete equations for possible practical implementation in the microprocessor system. In the first step, the impact of motor parameters to stator current estimation quality in the adaptive model was checked. Subsequently, simulation tests of the proposed rotor resistance estimator were carried out for the field-oriented control of the induction motor drive system with a model of an induction motor with fixed parameters and an induction motor with a changing main inductance according to a magnetisation curve. The analysis of the estimator’s work showed its high efficiency and insensitivity to changes in the IM main inductance.
Źródło:
Power Electronics and Drives; 2020, 5, 40; 143-156
2451-0262
2543-4292
Pojawia się w:
Power Electronics and Drives
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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