Sensorless position and speed control of induction motors using high-frequency injection and without offline precommissioning

被引：95

作者：

Gao, Qiang ^{[1
]}

Asher, Greg ^{[1
]}

Sumner, Mark ^{[1
]}

机构：

[1] Univ Nottingham, Sch Elect & Elect Engn, Nottingham NG7 2RD, England

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2007年 / 54卷 / 05期

关键词：

disturbance identification; high-frequency injection; induction motors (IMs); sensorless control;

D O I：

10.1109/TIE.2007.900364

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper addresses the sensorless speed and position control of induction motors using high-frequency injection at zero and low frequencies. A novel algorithm is presented which allows the rejection of saturation and nonlinear inverter effects without the need for an offline precommissioning process. The method is based on a set of synchronous filters to identify the disturbance waveforms and a memory algorithm that refines the quality of the disturbance waveforms as the motor's operational history is increased. The algorithm is entirely sensorless. Experimental results show sensorless low-frequency operation with and without the memory algorithm.

引用

页码：2474 / 2481

页数：8

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