Discrete Implementation of Sensorless IM Drive with MRAS-type Speed Estimator

被引：0
作者：
Korzonek, Mateusz [1 ]
Orlowska-Kowalska, Teresa [1 ]
机构：
[1] Wroclaw Univ Sci & Technol, Dept Elect Machines Dr & Measurements, Wroclaw, Poland
来源：
2019 19TH INTERNATIONAL CONFERENCE ON ELECTRICAL DRIVES & POWER ELECTRONICS (EDPE) | 2019年
关键词：
induction motor; sensorless control; MRAS-type estimator; stability; regenerating mode; discretization; numerical integration; INDUCTION MACHINES; CURRENT REGULATOR; ROTOR FLUX; OBSERVER; DESIGN;
D O I：
10.1109/edpe.2019.8883909
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper the discrete implementation of a sensorless IM drive with stator current error based MRAS-type speed estimator is analyzed. The system is discretized using analogue emulation method. Two numerical integration methods, Forward Euler and Modified Euler, are compared in simulation and experimental tests. The comparison is confirmed by ITAE criterion. Moreover, the stability improvement method of the tested speed estimator, developed in continuous time domain, is used and tested in the discrete modeling and implementation. This approach also validate the stable operation of the tested speed estimation method in full operating range of the drive system.
引用
收藏
页码：242 / 247
页数：6
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