1. Αποθετήριο Παραδοτέων Υποτρόφων Δράσεων ΕΣΠΑ Τριτοβάθμιας Εκπαίδευσης 2017-2023
2. Όλο το Αποθετήριο
3. Ερευνητικές ομάδες

Τύπος:	Άρθρο σε επιστημονικό περιοδικό
Τίτλος:	Vibration monitoring for position sensor fault diagnosis in Brushless DC motor drives
Συγγραφέας:	[EL] Παπαθανασόπουλος, Δημήτρης[EN] Papathanasopoulos, Dimitrios [EL] Γιαννουσάκης, Κωνσταντίνος[EN] Giannousakis, Konstantinos [EL] Δερματάς, Ευάγγελος[EN] Dermatas, Evangelos [EL] Μητρονίκας, Επαμεινώνδας[EN] Mitronikas, Epaminondas
Ημερομηνία:	16/04/2021
Περίληψη:	A non-invasive technique for condition monitoring of brushless DC motor drives is proposed in this study for Hall-effect position sensor fault diagnosis. Position sensor faults affect rotor position feedback, resulting in faulty transitions, which in turn cause current fluctuations and mechanical oscillations, derating system performance and threatening life expectancy. The main concept of the proposed technique is to detect the faults using vibration signals, acquired by low-cost piezoelectric sensors. With this aim, the frequency spectrum of the piezoelectric sensor output signal is analyzed both under the healthy and faulty operating conditions to highlight the fault signature. Therefore, the second harmonic component of the vibration signal spectrum is evaluated as a reliable signature for the detection of misalignment faults, while the fourth harmonic component is investigated for the position sensor breakdown fault, considering both single and double sensor faults. As the fault signature is localized at these harmonic components, the Goertzel algorithm is promoted as an efficient tool for the harmonic analysis in a narrow frequency band. Simulation results of the system operation, under healthy and faulty conditions, are presented along with the experimental results, verifying the proposed technique performance in detecting the position sensor faults in a non-invasive manner.
Γλώσσα:	Αγγλικά
Σελίδες:	24
DOI:	10.3390/en14082248
EISSN:	1996-1073
Θεματική κατηγορία:	[EL] Μηχανική ενέργειας[EN] Energy Engineering and Power Technology
Λέξεις-κλειδιά:	brushless motors; condition monitoring; fault diagnosis; frequency-domain analysis; goertzel algorithm; hall-effect devices; permanent magnet motors; piezoelectric transducers; variable speed drives; vibration analysis
Κάτοχος πνευματικών δικαιωμάτων:	© 2021 by the authors. Licensee MDPI, Basel, Switzerland.
Όροι και προϋποθέσεις δικαιωμάτων:	This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Ηλεκτρονική διεύθυνση του τεκμηρίου στον εκδότη:	https://www.mdpi.com/1996-1073/14/8/2248
Ηλεκτρονική διεύθυνση περιοδικού:	https://www.mdpi.com/journal/energies
Τίτλος πηγής δημοσίευσης:	Energies
Τεύχος:	8
Τόμος:	14
Σελίδες τεκμηρίου (στην πηγή):	Article no 2248
Σημειώσεις:	This research is co-financed by Greece and the European Union (European Social Fund—ESF) through the Operational Programme «Human Resources Development, Education and Lifelong Learning 2014–2020» in the context of the project under MIS number 5047162.
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