Sensorless direct torque control based on nonlinear integral sliding mode controllers for an induction motor drive: Experimental verification

In this article, a novel sliding mode adaptation mechanism of a model reference adaptive system speed estimator and a modified sliding mode speed controller are proposed to replace the proportional-integral controller used in the adaptation mechanism of the model reference adaptive system and the pr...

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Bibliographic Details
Published in:Proceedings of the Institution of Mechanical Engineers. Part I, Journal of systems and control engineering Journal of systems and control engineering, 2021-02, Vol.235 (2), p.249-268
Main Authors: Krim, Saber, Krim, Youssef, Mimouni, Mohamed Faouzi
Format: Article
Language:English
Subjects:
Adaptation
Adaptive control
Control theory
Controllers
Digital simulation
Induction motors
Mechanical engineering
Model reference adaptive control
Nonlinear control
Proportional integral
Sliding mode control
Space vector modulation
Torque
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Summary:In this article, a novel sliding mode adaptation mechanism of a model reference adaptive system speed estimator and a modified sliding mode speed controller are proposed to replace the proportional-integral controller used in the adaptation mechanism of the model reference adaptive system and the proportional-integral speed controller, respectively. The suggested control strategy is designed by sensorless direct torque control with space vector modulation based on a sliding mode speed controller and a model reference adaptive system sliding mode speed estimator. The contribution of this work is the development of one control law based on a modified nonlinear component to overcome the first-order sliding mode control limitations, such as the chattering phenomenon. The performance of the suggested controller-based direct torque control with space vector modulation is verified by digital simulation with different operation conditions, like the abrupt variations in the load torque and the reference speed, using the MATLAB/SIMULINK environment. In fact, such simulation results are experimentally checked utilizing a dSPACE-1104.
ISSN:0959-6518
2041-3041
DOI:10.1177/0959651820933733