Persistency of excitation and position-sensorless control of permanent magnet synchronous motors

被引：11
|
作者：
Verrelli, Cristiano Maria [1 ]
Tomei, Patrizio [1 ]
Lorenzani, Emilio [2 ]
机构：
[1] Univ Roma Tor Vergata, Dept Elect Engn, Via Politecn 1, I-00133 Rome, Italy
[2] Univ Modena & Reggio Emilia, Dept Sci & Methods Engn, Via Amendola 2, I-42122 Reggio Emilia, Italy
来源：
AUTOMATICA | 2018年 / 95卷
关键词：
Permanent magnet synchronous motors; Position-sensorless control; Adaptive observer; UNKNOWN LOAD TORQUE; TRACKING CONTROL; ELECTRIC MOTORS; SPEED TRACKING; FLUX OBSERVER; STEP MOTORS; SYNCHRONIZATION; PMSM;
D O I：
10.1016/j.automatica.2018.05.004
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this brief, the exponential rotor position tracking/regulation problem for position-sensorless (nonsalient-pole surface) PMSMs with unknown constant load torque and stator resistance is addressed. The requirement of persistency of excitation conditions involving a non-definitely zero rotor speed reference is removed, owing to the design of an innovative (speed measurement-based) adaptive observer that relies on a local version of the persistency of excitation lemma and does not involve straightforward adaptations of previous ideas. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：328 / 335
页数：8
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