文章基本信息

标题：Current sensorless method based on field-oriented control in induction motor drive
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作者：Sang Dang Ho ; Pavel Brandstetter ; Petr Palacky 等
期刊名称：Journal of Electrical Systems
印刷版ISSN：1112-5209
出版年度：2021
卷号：17
期号：1
页码：62-76
语种：English
出版社：ESRGroups
摘要：This paper describes an improving field-oriented control (FOC) in the induction motor drive (IMD) without using current sensors. The proposed current sensorless (CSL) method has achieved high performance for the speed control by the FOC technique in the IMD system. The differential equations based on state variables of stator and rotor current are used to calculate the estimated current for the FOC loop. The control voltage in the FOC loop is proposed to replace the measured voltage signal in estimation algorithms. This method can be used for noncurrent sensor applications to reduce the manufacturing cost or for the reconfiguration phase of the fault-tolerant control (FTC) technique. MATLAB/Simulink software is used to implement the simulations in many different operating conditions at the low-speed range. The digital signal processing (DSP) eZdsp TMS320F28335 is used to do the experiments. The simulation results and experimental results have demonstrated the possibility of using the proposed method to control the IMD without current sensors.
关键词：Field-oriented control; current estimation; current sensorless; fault-tolerant control; induction motor