Sensorless and Adaptive Control of Induction Machines
A special issue of Machines (ISSN 2075-1702). This special issue belongs to the section "Automation and Control Systems".
Deadline for manuscript submissions: closed (30 June 2025) | Viewed by 1737
Special Issue Editor
Special Issue Information
Dear Colleagues,
Induction machines have been widely utilized in industries for decades due to their easy and robust construction as well as their cost-effectiveness. Their simplicity and affordability make them a preferred choice in numerous applications. Achieving dynamic variable speed control of induction motors is made possible through inverter-driven vector control. However, this approach necessitates knowledge of the rotor position, typically obtained by using sensors. Unfortunately, these sensors are rather expensive and delicate electronic devices.
A more resilient alternative is utilizing the induction machine itself as a rotor position sensor, an idea known as "sensorless control." Numerous methods have been proposed and demonstrated promising practical results. In the case of medium- to high-speed applications, many of these sensorless position estimation techniques have been implemented in commercial variable speed drives. However, achieving sensorless control of induction motors in the very low- and zero-speed regions remains a significant research challenge.
Several sensorless techniques employ model-based observers, which are highly sensitive to parameter deviations. Adaptive parameter estimation techniques prove to be immensely helpful in maintaining observer parameters as precise as possible across all motor operation conditions. Other sensorless techniques utilize high-frequency or transient pulse signal responses to estimate magnetic saliencies in the machine rotor. The obtained saliency is typically influenced by the rotor bar slots of the induction rotor cage and modulation due to saturation caused by the motor currents. This requires sophisticated modulation signal separation. Additionally, non-linearities in the machine signals present further challenges.
This Special Issue aims to gather new research results in the domain of sensorless and adaptive control of induction motors.
Research topics that are of interest for this Special Issue include but not limited to the following:
- Signal injection methods to detect induction motor magnetic saliencies;
- Model-based sensorless position estimation based on machine flux/back EMF;
- Hybrid sensorless techniques using back EMF models and magnetic saliency detection;
- Adaptive parameter estimation of induction machines;
- Non-linear parameter modelling of induction machines;
- Pattern recognition of saliency modulation;
- rotor position reconstruction from measured saliencies;
- Filtering and signal processing of estimates position signals.
Dr. Reiko Raute
Guest Editor
Manuscript Submission Information
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Keywords
- induction motor
- variable speed drives
- inverters
- sensorless control
- adaptive control
- parameter estimation
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