Speed Estimation of Multiphase Induction Motor Using Rotor Slot Harmonics With Limited SNR and Dynamic Load Conditions

Shen, Hongyuan; Wang, Haifeng; Wu, Xinzhen

doi:10.1109/tie.2022.3201286

Cited by 7 publications

(5 citation statements)

References 25 publications

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“…Because of the reluctance modulation caused by the existence of rotor slots, the techniques in this category are dependent upon the concept that the speed of rotor is calculated from the ripple created in the voltages and currents of stator [ 54 , 55 , 77 , 58 ]. When modeling the induction machine, the air gap length variable can be used to account for the rotor slot's presence.…”

Section: Rotor Saliencymentioning

confidence: 99%

“…Band-pass filters are used to pre-filter the stator currents and voltages, and the center frequency may be tuned to the harmonics of the rotor slots [107] . High performance speed estimation is effective in getting rid of usual sensor failures, through the rotor slot harmonic (RSH) based method that featured for parameter mismatch robustness [ 51 , 53 , 54 , 58 , 58 ].…”

Section: Rotor Saliencymentioning

confidence: 99%

“…The harmonics of rotor slot signal v sl is brought out by means of the adaptive band pass filter. By identifying the zero crossing instants (t z ), the filtered signal is converted to digital form [ 71 , 58 ]. To memorize the digitized rotor position angle, a software counter increments by one count at every crossing of zero.…”

Section: Rotor Saliencymentioning

confidence: 99%

“…Due to the ripple in the voltages and currents of stator caused by the modulation of reluctance brought on by existence of rotor slots is used to calculate the rotor speed. The third technique depends on high frequency signal (voltage or current) injection at machine terminals [ 45 , [51] , [52] , [53] , [54] , [55] , [56] , [57] , [58] , [59] ]. A test signal is introduced into the motor windings, and the response is then observed.…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Review of speed estimation algorithms for three- phase induction motor

Elbarbary,

Al-Harbi,

Al-Gahtani

et al. 2024

MethodsX

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Section: Rotor Saliencymentioning

confidence: 99%

Section: Rotor Saliencymentioning

confidence: 99%

Section: Rotor Saliencymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Review of speed estimation algorithms for three- phase induction motor

Elbarbary,

Al-Harbi,

Al-Gahtani

et al. 2024

MethodsX

View full text Add to dashboard Cite

“…In the current literature, there are two types of speed estimation systems, considered in IM drives: non-ideal phenomena-based schemes and model-based schemes. Non-ideal, phenomena-based schemes can either be deployed through signal injection approaches [ 6 , 7 , 8 , 9 ] or rotor slot harmonics (RSH) extraction [ 10 , 11 , 12 ]. Figure 1 below provides a classification of state-of-the-art speed estimation schemes.…”

Section: Introductionmentioning

confidence: 99%

Speed Estimation of Six-Phase Induction Motors, Using the Rotor Slot Harmonics

Laadjal

Bento

Antunes

et al. 2022

Sensors

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Multiphase machines have recently been promoted as a viable alternative to traditional three-phase machines. Most experts are looking for strategies to estimate the rotation speed of such complex systems, since speed data are required for high-performance control purposes. Traditionally, electromechanical sensors were used to detect the rotor speed of electric motors. These devices are extremely accurate, but they are also delicate and costly to deploy. New speed estimating algorithms must be created for these situations. This paper looks at how to estimate rotor speed in symmetrical six-phase induction motors (IMs) using a novel strategy for rotor speed estimation based on the Short Time Fourier Transform (STFT) method. The technique is based on tracking the frequencies of the rotor slot harmonics (RSH) seen in most squirrel-cage IM stator currents, thus assuring a broad range of applications. To monitor the RSH, the STFT employs a sliding window to perform the discrete Fourier transform technique, making it more suitable for online use with noisy and nonstationary signals. Experimental tests demonstrate the effectiveness of the suggested approach.

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