Realization of High Torque Density Encoderless Servo Drive System

This paper proposes an encoderless servo drive system including high torque density servomotor capable of handling large load, and high response and high accuracy saliency based sensorless drive technology. As an encoderless servomotor, the spoke type Interior Permanent Magnet Synchronous Motor (IPM...

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Bibliographic Details
Published in:	IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society Vol. 1; pp. 1284 - 1289
Main Authors:	Morimoto, Shinya, Shimamoto, Keita, Hanamoto, Tsuyoshi
Format:	Conference Proceeding
Language:	English
Published:	IEEE 01-10-2019
Subjects:	Estimation high frequency signal injection high torque density Inductance IPMSM Permanent magnet motors position compensation Rotors Sensorless control servo drive Servomotors
Online Access:	Get full text
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Summary:	This paper proposes an encoderless servo drive system including high torque density servomotor capable of handling large load, and high response and high accuracy saliency based sensorless drive technology. As an encoderless servomotor, the spoke type Interior Permanent Magnet Synchronous Motor (IPMSM) that is used for a general purpose servomotor is selected, and its magnetic field analysis is shown. Based on the analysis result of the motor, position error compensation methods for accurate driving the motor are proposed. Experimental results show the proposed servo drive system performance and issues that need to be improved in the future products.
ISSN:	2577-1647
DOI:	10.1109/IECON.2019.8927409