Analytical and experimental analysis of Back EMF waveform of a TORUS-type non-slotted axial flux permanent magnet synchronous machine with shifted rotor
Sign Up to like & getrecommendations! Published in 2020 at "Measurement"
DOI: 10.1016/j.measurement.2020.107620
Abstract: Abstract In this paper, the effectiveness of rotor shifting technique on the Total Harmonic Distortion (THD) reduction of back electromotive force (Back EMF) of a TORUS type non-slotted axial flux permanent magnet (TORUS NS-AFPM) machine… read more here.
Keywords: torus type; machine; rotor shifting; back emf ... See more keywords
Back-EMF-based sensorless control system of hybrid SRM for high-speed operation
Sign Up to like & getrecommendations! Published in 2018 at "Iet Electric Power Applications"
DOI: 10.1049/iet-epa.2017.0641
Abstract: Based on the back electromotive force (back-EMF) detection, a novel rotor position estimation strategy with adjustable turn on/off angle is proposed for the high-speed hybrid switched reluctance motor (SRM). The minimum back-EMF position is captured… read more here.
Keywords: sensorless control; high speed; control system; back emf ... See more keywords
Eccentric position diagnosis of static eccentricity fault of external rotor permanent magnet synchronous motor as an in‐wheel motor
Sign Up to like & getrecommendations! Published in 2020 at "Iet Electric Power Applications"
DOI: 10.1049/iet-epa.2019.0617
Abstract: An eccentric position diagnosis method of static eccentricity (SE) fault of external rotor permanent magnet synchronous motor (ER-PMSM) is presented. Firstly, an analytical model of no-load radial magnetic field of ER-PMSM is established. Analytical models… read more here.
Keywords: load back; unit; diagnosis; back emf ... See more keywords
Open circuit fault detection and FTC for sensorless PMS motor control based on the back-EMF SMO
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Electronics"
DOI: 10.1080/00207217.2020.1793399
Abstract: ABSTRACT The detection of the electrical fault in speed controller under a Motor Control Unit System (MCUS) has been amply viewed in the research paper. Nevertheless, the research work in this domain have been constantly… read more here.
Keywords: fault; detection; control; back emf ... See more keywords
Investigation of a Stator-Ironless Brushless DC Motor With Non-Ideal Back-EMF
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2901632
Abstract: This paper deals with the effects of permanent magnets (PMs) shapes and segmentation types on the trapezoidal degrees of the back electromagnetic force (EMF) and torque characteristics and rotor losses. The back-EMF waveforms with different… read more here.
Keywords: pms; stator ironless; back emf; motor ... See more keywords
Quantitative Analysis of Back-EMF of a Dual-Permanent-Magnet-Excited Machine: Alert to Flux Density Harmonics Which Make a Negative Contribution to Back-EMF
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3093359
Abstract: Recently, the dual-permanent-magnet-excited (DPME) machine has attracted growing attention due to its high torque density. Due to the bidirectional field modulated effect (BFME), airgap flux density harmonics (AFDHs) are more complex and abundant than traditional… read more here.
Keywords: permanent magnet; back emf; machine; harmonics ... See more keywords
Influence of Coil Pitch and Stator-Slot/Rotor-Pole Combination on Back EMF Harmonics in Flux-Reversal Permanent Magnet Machines
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Energy Conversion"
DOI: 10.1109/tec.2018.2795000
Abstract: Harmonics of back electromotive force (back EMF) always have great effects on torque ripples in flux-reversal permanent magnet (FRPM) machines. In this paper, the back EMF in FRPM machines with different magnetization modes and coil… read more here.
Keywords: frpm machine; coil pitch; back emf; harmonics ... See more keywords
Symmetrical Components Observer for LPMM Back EMF Based on Negative-Sequence Current Injection
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2021.3060660
Abstract: Thrust force ripple, including no-load detent force and electromagnetic thrust ripple, worsens the precision of the linear permanent magnet machine (LPMM) control system. This article focuses on the elimination of electromagnetic thrust ripple caused by… read more here.
Keywords: back emf; ripple; thrust ripple; symmetrical components ... See more keywords
Analysis of Back EMF Harmonics Influenced by Slot–Pole Combinations in Permanent Magnet Vernier In-Wheel Motors
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2022.3189065
Abstract: In this article, we analyze the back electromotive force (EMF) harmonic characteristics influenced by the slot–pole combinations in permanent magnet vernier motors for in-wheel drive applications. First, the feasible matches among the slot–pole combinations, stator… read more here.
Keywords: slot pole; back emf; harmonics; pole combinations ... See more keywords
Near-Complete Suppression of Harmonic Currents in SPMSMs Caused by Back EMF and Dead Time
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2022.3189068
Abstract: This article introduces a novel algorithm for suppression of phase current harmonics in three-phase sinusoidal surface-mounted permanent magnet synchronous machines (SPMSMs) caused by nonideal back EMF waveform and dead time effects. Proposed feedback acquisition chain… read more here.
Keywords: spmsms caused; dead time; back emf; harmonics ... See more keywords
Back EMF-Based Dynamic Position Estimation in the Whole Speed Range for Precision Sensorless Control of PMLSM
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Industrial Informatics"
DOI: 10.1109/tii.2022.3205941
Abstract: Back electromotive force (EMF)-based sensorless control strategies for permanent-magnet linear synchronous motor (PMLSM) have the potential to simplify the mechatronic system, reduce the cost and prolong the service life. However, the poor performance in the… read more here.
Keywords: speed; back emf; emf based; range ... See more keywords