Abstract
The present work develops a methodology for the analysis of transient signals for fault detection and diagnosis in electrical motors. The objective of this work is the initial development of a Prognostic and Health Monitoring System (PHMS) for the demagnetization of the magnetic field source of a Permanent Magnet Synchronous Motor (PMSM) used in electrical vehicles. The developed methodology is based on the Hilbert-Huang Transform (HHT), a technique which is particularly suitable for processing oscillating transient signals, such as the stator currents typical of automotive electric traction machines. The HHT represents a time-dependent series in a two-dimensional time-frequency domain by extracting instantaneous frequency components within the signal through an Empirical Mode Decomposition (EMD) process. The developed framework has been applied to four transients simulating different levels of demagnetization of the permanent magnet of the PMSM; the obtained results show that HHT enables us to detect and assess the degradation level for a demagnetized core of a PMSM.
Original language | English |
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Title of host publication | Safety and reliability |
Subtitle of host publication | Methodology and applications |
Editors | Tomasz Nowakowski, Marek Mlynczak, Anna Jodejko-Pietruczuk, Sylwia Werbinska-Wojciechowska |
Publisher | CRC Press |
Pages | 939-944 |
ISBN (Electronic) | 978-0-429-22682-3 |
ISBN (Print) | 978-1-138-02681-0 |
DOIs | |
Publication status | Published - 2014 |
MoE publication type | A4 Article in a conference publication |
Event | European Safety and Reliability Conference, ESREL 2014 - Wroclaw, Poland Duration: 14 Sept 2014 → 18 Sept 2014 |
Conference
Conference | European Safety and Reliability Conference, ESREL 2014 |
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Abbreviated title | ESREL 2014 |
Country/Territory | Poland |
City | Wroclaw |
Period | 14/09/14 → 18/09/14 |