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View article: Robust control of a high-temperature synchronous machine with anodized aluminum coils
Robust control of a high-temperature synchronous machine with anodized aluminum coils Open
International audience
View article: Improved Adaptive Robust Control With MRAS for High-Temperature Wound Rotor Synchronous Machine Featuring Anodized Aluminum Coils
Improved Adaptive Robust Control With MRAS for High-Temperature Wound Rotor Synchronous Machine Featuring Anodized Aluminum Coils Open
This paper presents a robust and adaptive control strategy for wound rotor synchronous machines with anodized aluminum tape coils, designed to operate reliably at temperatures around 300°C. At such high temperatures, significant changes oc…
View article: Analysis of capacitive discharges in motor bearings under different operation conditions
Analysis of capacitive discharges in motor bearings under different operation conditions Open
Despite being a well‐known problem, bearing faults are still one of the major challenges that the industry face. The growing use of voltage source inverters imposed the alertness of possible bearing damage due to their high‐frequency signa…
View article: Analytical and Finite Element Analysis for Demagnetization Fault of External Rotor PMSM
Analytical and Finite Element Analysis for Demagnetization Fault of External Rotor PMSM Open
Various factors can lead to the demagnetization of permanent magnets, such as excessive magnetomotive force and/or high operating temperatures. As a result, the machine's flux density distribution is no longer uniform, producing new fault …
View article: Experimental Validation of Current Sensors Fault Detection and Tolerant Control Strategy for Three-Phase Permanent Magnet Synchronous Motor Drives
Experimental Validation of Current Sensors Fault Detection and Tolerant Control Strategy for Three-Phase Permanent Magnet Synchronous Motor Drives Open
This paper presents the experimental validation of a Fault-Tolerant Control (FTC) system for Permanent Magnet Synchronous Motor (PMSM) drives, specifically focusing on current sensors. The FTC system is designed to detect and diagnose both…
View article: Detection of External Rotor PMSM Inter-Turn Short Circuit Fault using Extended Kalman Filter
Detection of External Rotor PMSM Inter-Turn Short Circuit Fault using Extended Kalman Filter Open
International audience
View article: Identification of sensitive feature in the stray magnetic field to detect rotor short-circuit fault in synchronous generators
Identification of sensitive feature in the stray magnetic field to detect rotor short-circuit fault in synchronous generators Open
This paper presents an application of the external magnetic field measured in the vicinity of a synchronous generator in a hydroelectric powerplant for the detection of a rotor short circuit fault. The measurement of the external magnetic …
View article: Analytical Modeling, Analysis and Diagnosis of External Rotor PMSM with Stator Winding Unbalance Fault
Analytical Modeling, Analysis and Diagnosis of External Rotor PMSM with Stator Winding Unbalance Fault Open
Multiple factors and consequences may lead to a stator winding fault in an external rotor permanent magnet synchronous motor that can unleash a complete system shutdown and impair performance and motor reliability. This type of fault cause…
View article: A New Bearing Fault Detection Strategy Based on Combined Modes Ensemble Empirical Mode Decomposition, KMAD, and an Enhanced Deconvolution Process
A New Bearing Fault Detection Strategy Based on Combined Modes Ensemble Empirical Mode Decomposition, KMAD, and an Enhanced Deconvolution Process Open
In bearing fault diagnosis, ensemble empirical mode decomposition (EEMD) is a reliable technique for treating rolling bearing vibration signals by dividing them into intrinsic mode functions (IMFs). Traditional methods used in EEMD consist…
View article: Torque Ripple Minimization Control of Permanent Magnet Synchronous Motor using Adaptive Ant Colony Optimization
Torque Ripple Minimization Control of Permanent Magnet Synchronous Motor using Adaptive Ant Colony Optimization Open
The presence of a fault in motor drives might cause the system to completely shutdown, reduce its performance, or cause disruptions in its operation. Therefore, having fault-tolerant capabilities to sustain continuous operation has become …
View article: Mechanical Failure Detection in Induction Motors Using Stator Current and Stray Flux Analysis Techniques
Mechanical Failure Detection in Induction Motors Using Stator Current and Stray Flux Analysis Techniques Open
Because of its benefits, an induction machine is used in a variety of applications. The machine’s robustness is one of its benefits. Generally, mechanical faults cause torque oscillations, eccentricity, and vibration, which affect th…
View article: Comparative study of permanent magnet synchronous machine vs salient pole synchronous machine in high temperature application
Comparative study of permanent magnet synchronous machine vs salient pole synchronous machine in high temperature application Open
This paper presents the sizing and the comparison of two synchronous machines. The purpose is to design a high temperature dedicated machine with the same performance and volume as a permanent magnet machine. To compare the machines, torqu…
View article: An Active Fault-Tolerant Control Strategy for Current Sensors Failure for Induction Motor Drives Using a Single Observer for Currents Estimation and Axes Transformation
An Active Fault-Tolerant Control Strategy for Current Sensors Failure for Induction Motor Drives Using a Single Observer for Currents Estimation and Axes Transformation Open
This paper proposes a fault-tolerant control technique against current sensors failure in direct torque controlled induction motors drives, based on a new modification of Luenberger observer for currents estimation and axes transformation …
View article: Stray Flux Multi-Sensor for Stator Fault Detection in Synchronous Machines
Stray Flux Multi-Sensor for Stator Fault Detection in Synchronous Machines Open
The aim of this paper is to detect a stator inter-turn short circuit in a synchronous machine through the analysis of the external magnetic field measured by external flux sensors. The paper exploits a methodology previously developed, bas…
View article: Evaluation of the voltage supply unbalance and detection of the short-circuit faults in induction machine through the neighboring magnetic field
Evaluation of the voltage supply unbalance and detection of the short-circuit faults in induction machine through the neighboring magnetic field Open
This paper presents a new way to use magnetic field analysis for the detection of two electrical dissymmetries which appear in the asynchronous machine. The magnetic field is an interesting variable to exploit for the diagnosis of electric…
View article: Rotor Fault Detection in Squirrel Cage Induction Motors using MCSA and DWT Techniques
Rotor Fault Detection in Squirrel Cage Induction Motors using MCSA and DWT Techniques Open
This article presents the fault detection of broken rotor bar (BRB) faults in squirrel cage induction motors (SCIMs). This work applied two diagnostic methods on stator current signal. It is necessary to verify the machine health to avoid …
View article: Procedure for Detection of Stator Inter-Turn Short Circuit in AC Machines Measuring the External Magnetic Field
Procedure for Detection of Stator Inter-Turn Short Circuit in AC Machines Measuring the External Magnetic Field Open
This paper presents a non-invasive procedure to detect inter-turn short circuit faults in the stator windings of AC electrical machines. It proposes the use of the stray external magnetic field measured in the vicinity of the machine to de…
View article: Dynamic Stability Enhancement of a Hybrid Renewable Energy System in Stand-Alone Applications
Dynamic Stability Enhancement of a Hybrid Renewable Energy System in Stand-Alone Applications Open
Renewable energy systems have been extensively developed and they are attractive to become widespread in the future because they can deliver energy at a competitive price and generally do not cause environmental pollution. However, stand-a…
View article: Rolling Bearing Failure Detection in Induction Motors using Stator Current, Vibration and Stray Flux Analysis Techniques
Rolling Bearing Failure Detection in Induction Motors using Stator Current, Vibration and Stray Flux Analysis Techniques Open
Many industrial applications use the induction machine for its advantages, like robustness. But like any other machines, it can be affected by several faults such as broken rotor bars, stator inter-turn short-circuit, bearing faults, etc. …
View article: A comparative study dedicated to rotor failure detection in induction motors using MCSA, DWT, and EMD techniques
A comparative study dedicated to rotor failure detection in induction motors using MCSA, DWT, and EMD techniques Open
International audience
View article: A Comparative Study between the adaptive wavelet transform and DWT Methods Applied to a Outer Raceway Fault Detection in Induction Motors based on the Frequencies Analysis
A Comparative Study between the adaptive wavelet transform and DWT Methods Applied to a Outer Raceway Fault Detection in Induction Motors based on the Frequencies Analysis Open
This paper presents a new application to diagnose the outer race fault in induction machines based on the three-step nonlinear lifting scheme. The wavelet transform is a powerful and complex tool in the context of diagnosis. The discovery …
View article: Two-Slot Coil Pitch For Five-Phase Integrated Permanent Magnet Synchronous Machine
Two-Slot Coil Pitch For Five-Phase Integrated Permanent Magnet Synchronous Machine Open
This paper presents a simple method to size a concentrated winding permament magnet synchronous machine when a high number of slots is needed. A classical concentrated winding machine leads to a number of pole pairs close to the number of …
View article: Adapted Coil Sensors for Measuring the External Magnetic Field of Electrical Machines
Adapted Coil Sensors for Measuring the External Magnetic Field of Electrical Machines Open
This paper proposes a criterion in the choice of coil sensors which can be used in the diagnosis of electrical machines. These sensors allow us to measure external magnetic field of the machine. Their interest is due to their robustness, r…
View article: A Variable Speed Control of Permanent Magnet Synchronous Motor Without Current Sensors
A Variable Speed Control of Permanent Magnet Synchronous Motor Without Current Sensors Open
This paper introduces a simple and low-cost direct vector control method without current sensors for Permanent Magnet Synchronous Motor (PMSM) drives, using only a single estimator and the measured dc-link voltage, as well as the measured …
View article: Hardware Implementation of Modified Backstepping Control for Sensorless Induction Motor Drive
Hardware Implementation of Modified Backstepping Control for Sensorless Induction Motor Drive Open
This paper presents a hardware implementation of sensorless Backstepping control for induction motor drive. The presented Backstepping control scheme has been designed in the stationary reference frame to reduce the control algorithm compl…