Sensorless Control for Non-Sinusoidal Five-Phase Interior PMSM Based on Sliding Mode Observer

Mini, Youssouf; Ky, Ngac Ky Ngac; Semail, Eric

doi:10.18280/ejee.230604

Cited by 2 publications

(1 citation statement)

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“…Energies 2022, 15, 607 This is mentioned in order to highlight the sensorless control when the principal amount of torque is not produced only by the fundamental (1st harmonic) of current and back EMF, as it is by the non-sinusoidal seven-phase PMSM studied above. The modelling of the non-sinusoidal five-phase PMSM and the corresponding SMO design are detailed in [43]. The decomposition of the five-phase PMSM to several fictitious machines and the associated harmonics are represented in Figure 19.…”

Section: Sensorless Control Of a Non-sinusoidal Five-phase Pmsmmentioning

confidence: 99%

Enhancement of Sensorless Control for Non-Sinusoidal Multiphase Drives-Part I: Operation in Medium and High-Speed Range

et al. 2022

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This two-part study proposes a new sensorless control strategy for non-sinusoidal multiphase permanent magnet synchronous machines (PMSMs), especially integrated motor drives (IMDs). Based on the Sliding Mode Observer (SMO), the proposed sensorless control strategy uses the signals (currents and voltages) of all fictitious machines of the multiphase PMSMs. It can estimate the high-accuracy rotor positions that are required in vector control. This proposed strategy is compared to the conventional sensorless control strategy that applies only current and voltage signals of the main fictitious machine, including the fundamental component of back electromotive force (back EMF) of non-sinusoidal multiphase PMSMs. Therefore, in order to choose an appropriate sensorless control strategy for the non-sinusoidal multiphase PMSMs, these two sensorless control strategies will be highlighted in terms of precision with respect to rotor position and speed estimation. Simulations and the experimental results obtained with a non-sinusoidal seven-phase PMSM will be shown to verify and compare the two sensorless control strategies. In this part of the study (part I), only sensorless control in the medium and high-speed range is considered. Sensorless control at the zero and low-speed range will be treated in the second part of this study (part II).

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Section: Sensorless Control Of a Non-sinusoidal Five-phase Pmsmmentioning

confidence: 99%