Improved Sensorless Control of Multiphase Synchronous Reluctance Machine Under Position Sensor Fault

This paper presents an investigation on the self-sensing capability of a dual three-phase synchronous reluctance motor. Self-sensing capability refers to the ability of the motor to properly operate in a sensorless drive. The multiphase machine is decomposed into two different three-phase systems ac...

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Published in:IEEE journal of emerging and selected topics in industrial electronics (Print) 2024-01, Vol.5 (1), p.1-9
Main Authors: Galati, Giuseppe, Ortombina, Ludovico, Alberti, Luigi, Berto, Matteo
Format: Article
Language:English
Subjects:
Coils (windings)
Couplings
dual three-phase machine
Electric motors
fault tolerant
Finite element method
high frequency injection
Multiphase
Permanent magnet motors
position observer
Position sensing
Reluctance machinery
Reluctance motors
Rotors
self-sensing capability
sensorless control
synchronous reluctance motor
Torque
Trajectory
Trajectory analysis
Windings
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cited_by cdi_FETCH-LOGICAL-c1880-73a9180a2d1826df3d990a044738e4ccd58c29d35e79dc1975a982d82171ff243
cites cdi_FETCH-LOGICAL-c1880-73a9180a2d1826df3d990a044738e4ccd58c29d35e79dc1975a982d82171ff243
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container_title IEEE journal of emerging and selected topics in industrial electronics (Print)
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creator Galati, Giuseppe
Ortombina, Ludovico
Alberti, Luigi
Berto, Matteo
description This paper presents an investigation on the self-sensing capability of a dual three-phase synchronous reluctance motor. Self-sensing capability refers to the ability of the motor to properly operate in a sensorless drive. The multiphase machine is decomposed into two different three-phase systems according to the multi-stator approach. Several supply scenarios are studied where the two three-phase windings are controlled at different operating points along a reference trajectory. The analysis is carried out both with FEA simulations and experimental tests. In the first part of the paper the rotor is locked to derive the observer trajectories and find the regions in which the motor can operate without position sensor. A comparison between simulated and experimental results is given. Finally, a sensorless control strategy that allows exploiting the motor self-sensing capability under position sensor fault is developed and validated through experimental tests.
doi_str_mv 10.1109/JESTIE.2023.3294100
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source IEEE Electronic Library (IEL) Journals
subjects Coils (windings)
Couplings
dual three-phase machine
Electric motors
fault tolerant
Finite element method
high frequency injection
Multiphase
Permanent magnet motors
position observer
Position sensing
Reluctance machinery
Reluctance motors
Rotors
self-sensing capability
sensorless control
synchronous reluctance motor
Torque
Trajectory
Trajectory analysis
Windings
title Improved Sensorless Control of Multiphase Synchronous Reluctance Machine Under Position Sensor Fault
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