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Sensorless vector and direct torque control
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TLDR
This paper presents a space-phasor model of A.C. machines based on artificial intelligence-based steady-state and transient analysis of electrical machines, estimators and investigates the role of magnetic saturation in the control of these machines.Abstract:
1. Introduction 2. The space-phasor model of A.C. machines 3. Vector and direct torque control of synchronous machines 4. Vector and direct torque control of induction machines 5. Torque control of switched reluctance motors 6. Effects of magnetic saturation 7. Artificial intelligence-based steady-state and transient analysis of electrical machines, estimators 8. Self-commissioning Indexread more
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Proceedings ArticleDOI
MRAS-based speed sensorless control for induction motor drives using instantaneous reactive power
TL;DR: In this article, the authors proposed a MRAS-based speed estimation scheme for IM drives using instantaneous reactive power, which has a superior robustness to the parameter variations as compared to other MRASbased techniques proposed in literature.
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Direct Torque Control of Two-Phase Induction and Synchronous Motors
TL;DR: The performance of the DTC of two-phase induction and synchronous motors fed by different inverter topologies is evaluated and the correctness of presented theories is validated by experimental results.
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Cross saturation effects in IPM motors and related impact on zero-speed sensorless control
TL;DR: Permanent magnet synchronous reluctance motors (PMASR) are well suited to zero-speed sensorless control, because of their inherently salient behavior, but the cross-saturation effect can lead to large errors on the position estimate, which is based on the differential anisotropy.
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T-connected autotransformer-based 24-pulse AC-DC converter for variable frequency induction motor drives
TL;DR: A new robust passive waveshaper based on 24-pulse ac-dc conversion is proposed to feed voltage source inverter supplying squirrel-cage induction motor drive and is found capable of suppressing less than 23rd harmonics in the supply current.
Proceedings ArticleDOI
Sensorless direct field oriented control of three-phase induction motors based on "sliding mode" for washing machine drive applications
TL;DR: Three related techniques, sliding-mode flux observer, slide-mode speed controller, and direct rotor-speed estimator are presented for the application of SDFO "sliding mode" in induction-motor control system, focusing on how improving speed regulation, system robustness, and some special technical issues in washing-machine drives are addressed.