2012
DOI: 10.1109/tia.2012.2210175
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Abstract: The rotor position of an interior permanent-magnet synchronous machine (IPMSM) can be estimated without a position sensor by signal injection sensorless control at standstill and/or in very low speed rotating condition. In the signal injection sensorless control, however, the fundamental control performance is limited by the frequency of the injected signal, and no negligible acoustic noise is generated. If the frequency of the injected voltage signal would increase to pulsewidth modulation (PWM) switching fre… Show more

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Cited by 207 publications
(47 citation statements)
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“…In this section, the HF voltage and flux-current IPMSM models [8] are presented in stator and rotor reference frames.…”
Section: Mathematical Modelsmentioning
confidence: 99%
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“…In this section, the HF voltage and flux-current IPMSM models [8] are presented in stator and rotor reference frames.…”
Section: Mathematical Modelsmentioning
confidence: 99%
“…Numerous heterodyning process have been proposed in the literature [8], in this paper, a new demodulation process is proposed, in addition to its control performance and simplicity of the implementation [14], this method improves the rotor position and speed estimation process. Fig.…”
Section: Demodulation Process and Error Extractionmentioning
confidence: 99%
“…For a rotating sine-wave voltage injection, these saliency harmonics can be decoupled with knowledge of harmonic magnitudes and phases [32]. However, dead-time harmonics in the saliency greatly increase when a rotating voltage is superimposed [33]. More importantly, these dead-time harmonics are usually higher than the harmonics caused by flux saturation [34].…”
Section: Introductionmentioning
confidence: 99%
“…Generally, a PMSM performs vector control based on current control, and rotor position information is essential to perform vector control, however, the encoders and resolvers used to acquire the position information of the rotor are not used because they increase system cost, volume, mechanical attachment and impair system reliability. Among the various applications, sensorless control is preferred for fan and pump products [1][2][3], and for this reason, sensorless methods for driving PMSMs are an active research topic [3][4][5][6][7][8][9][10]. The sensorless methods can be roughly divided into back electromotive force (back-EMF) estimation-based methods [3][4][5][6][7][8] and methods based on inductance changes according to the rotor position [9,10].…”
Section: Introductionmentioning
confidence: 99%
“…Among the various applications, sensorless control is preferred for fan and pump products [1][2][3], and for this reason, sensorless methods for driving PMSMs are an active research topic [3][4][5][6][7][8][9][10]. The sensorless methods can be roughly divided into back electromotive force (back-EMF) estimation-based methods [3][4][5][6][7][8] and methods based on inductance changes according to the rotor position [9,10]. generally, the back-EMF based methods estimate the back-EMF using the stator voltages and motor currents without requiring any additional high frequency signal injection and the inductance-based methods estimate the inductance value through an external signal injection.…”
Section: Introductionmentioning
confidence: 99%