Observer Based Improved Position Estimation in Field-Oriented Controlled PMSM with Misplaced Hall-Effect Sensors

Autor:	Mengji Zhao, Quntao An, Changqing Chen, Fuqiang Cao, Siwen Li
Jazyk:	angličtina
Rok vydání:	2022
Předmět:	permanent magnet synchronous motor Hall-effect sensors speed and position estimation dual observer Technology
Zdroj:	Energies, Vol 15, Iss 16, p 5985 (2022)
Druh dokumentu:	article
ISSN:	1996-1073
DOI:	10.3390/en15165985
Popis:	Low resolution Hall-effect sensors have been commonly applied in PMSM drives for the reason of cost and volume. Generally, rotor speed and position are estimated inaccurately due to the installation error of the sensors. The inaccurate position degrades the performance of current control and also increases torque ripples, which aggravates mechanical vibration and noise. An improved dual observer is proposed in this paper to suppress the impact of misplaced Hall-effect sensors and improve estimation accuracy. By a cascading dual Luenberger observer and combining feedback decoupling control, the low-order noises produced by the deviation of Hall signals are effectively suppressed. The effectiveness of the proposed method is verified by experimental results.
Databáze:	Directory of Open Access Journals
Externí odkaz:	https://doaj.org/article/6330c5cdba3c459b8bb19415eb80c5a2 Zobrazit plný text záznamu View record in DOAJ Plný text ve formátu PDF Plný text ve formátu HTML
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