A Simplified Sensorless Vector Control Based on Average DC Bus Current for Fan Motor

Autor:	Daisuke Maeda, Shigehisa Aoyagi, Kazuaki Tobari, Satoshi Sumita
Rok vydání:	2010
Předmět:	Engineering Vector control business.industry System identification Control engineering Industrial and Manufacturing Engineering DC-BUS Microcontroller Control theory Control system Timer Electrical and Electronic Engineering business Voltage reference
Zdroj:	IEEJ Transactions on Industry Applications. 130:1233-1240
ISSN:	1348-8163 0913-6339
DOI:	10.1541/ieejias.130.1233
Popis:	This paper describes a simplified sensorless vector control based on the average DC bus current for PMSM. This method can be used to design a drive control system at a relatively low cost because the microcontroller does not require a precise timer and the calculation load is slight. In the proposed method, one of the two possible current estimation processes is chosen according to the operation mode. First, the controller estimates d-axis current and identifies the back-EMF parameter in the synchronous operation mode at low speeds. The error in the back-EMF identification affects the efficiency of the proposed system, so it needs to be zero. Second, the controller estimates q-axis current in vector control mode. The identified parameter and q-axis current define voltage reference to realize high efficiency drive. The obtained experimental results confirm the effectiveness of the proposed method.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::658c50fb0f1acd06d18999ce817a273e https://doi.org/10.1541/ieejias.130.1233 Zobrazit plný text záznamu