Extended Condition Monitoring of Grid-connected Industrial Induction Motors using SMC Technique

Main Article Content

Layth Fadhil Abbas

Abstract

 


The control method for a vehicle that combines Sliding Mode Control (SMC) and Active Power Control (APC) for three-phase induction motors that encounter unmeasured speed circumstances and unknown disturbances is examined in this work. The primary contribution is the creation of an improved controller with a time-varying gain mechanism that maintains balanced performance and rapid response while managing the peak phenomena often associated with abrupt changes in speed, torque, and loads. Starting from a conservative setting and smoothly transitioning to a high-gain system, the active power control model with the suggested sliding controller is made to adapt to real-time changes and offers a quantitative balance between transient peaks and response precision. A sliding-mode controller with active disturbance compensation is implemented based on accurate assessments of disturbances and reconstructed states from the proposed system. This greatly decreases abrupt vibrations, a persistent problem in classic SMC.  The remarkable durability of the Sliding Mode Controller (SMC) and its capacity to manage the intricate nonlinear nature of these motors in a manner that is less complicated than more sophisticated alternatives are what make it unique, particularly in induction motor applications. Since a three-phase induction motor is a highly nonlinear system and its properties, such as internal resistance, fluctuate with temperature and loads, we must examine how it operates in order to comprehend why. The software simulation results of the proposed SMC based on the extended state observer (ESO) model showed THD < 3.5%, with response time < 15 ms, along excellent chattering elimination and high real-time compensation.

Article Details

Section

Electrical Engineering

How to Cite

[1]
layth fadhil, “Extended Condition Monitoring of Grid-connected Industrial Induction Motors using SMC Technique ”, Rafidain J. Eng. Sci., vol. 4, no. 2, pp. 258–273, Jul. 2026, doi: 10.61268/xt77v045.

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