NDLI: An improved rotor flux based model reference adaptive controller for four-quadrant vector controlled induction motor drives

Content Provider	IEEE Xplore Digital Library
Author	Das, S. Pal, A. Kumar, R. Chattopadhyay, A.K.
Copyright Year	2015
Description	Author affiliation: Dept. of Electr. Eng., Indian Sch. of Mines, Dhanbad, India (Das, S.; Pal, A.; Kumar, R.) \|\| Dept. of Electr. Eng., Indian Inst. of Eng. Sci. & Technol., Howrah, India (Chattopadhyay, A.K.)
Abstract	High quality performance of vector controlled induction motor (IM) drives to a large proportion depends upon the rotor resistance which varies significantly with temperature notably at low speed. Many techniques are proposed till date but, model reference adaptive controller (MRAC) is one of the ace methods among the numerous due to its performance and straightforward stability approach. The rotor flux (RF) -error based MRAC consists of two models, viz. reference and adaptive models used simultaneously to estimate the d-q components of the rotor flux using IM line currents and voltages. However, in the case of conventional RF-MRAC based drive, the accuracy of the measured voltage drastically falls because of the significant amount of voltage drop across the stator resistance in the low speed region. To overcome this limitation, in this paper, the d-q components of the stator voltages are computed using the error signal between the reference and measured d-q current components with Proportional Integral (PI) controllers and representing the relevant equations in the synchronously rotating frame. Hence, instead of using voltage and current sensors, only current sensor is required in the proposed scheme. Thus, the proposed RF-MRAC based drive performs satisfactorily at the low speed as direct dependence on the measured voltage is eliminated. The proposed drive's performance with the RF-MRAC is validated for various speed ranges and patterns, both by Matlab simulation and experimental verification. A stability study in all the four quadrants of drive's operation and sensitivity study against motor parameter variations are carried out in Matlab/ Simulink. Experimental results obtained by a dSPACE-1104 based laboratory prototype are presented in the paper.
Starting Page	1
Ending Page	6
File Size	2599057
Page Count	6
File Format	PDF
ISBN	9781479986392
ISSN	21593450
e-ISBN	9781479986415
DOI	10.1109/TENCON.2015.7372812
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-11-01
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Voltage measurement Adaptation models Mathematical model MATLAB Sensitivity analysis Stability analysis Radio frequency vector control Field orientation induction motor MRAC rotor flux speed sensorless drive speed estimation stability sensitivity
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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