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Sensorless vector and direct torque control

Peter Vas
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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 Index

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Journal ArticleDOI

Implementation of a New MRAS Speed Sensorless Vector Control of Induction Machine

TL;DR: In this paper, a novel rotor speed estimation method using model reference adaptive system (MRAS) is proposed to improve the performance of a sensorless vector control in very low and zero speed regions.
Proceedings ArticleDOI

Terminal voltage control of a wind turbine driven isolated induction generator using stator oriented field control

TL;DR: In this paper, the voltage build up process and terminal voltage control in an isolated wind powered induction generator driven by a variable speed wind turbine using stator flux oriented vector control is presented.
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Control issues in adjustable speed drives

TL;DR: Adjustable-speed electric motor/generator drives (ASDs) are used to save electric energy and increase productivity in variable-output work processes of all new and well-established industries as mentioned in this paper.
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Model Predictive MRAS Estimator for Sensorless Induction Motor Drives

TL;DR: A novel predictive model reference adaptive system (MRAS) speed estimator based on the finite control set-model predictive control (FCS-MPC) principle which improves the system robustness against motor parameter variations and increases the maximum bandwidth of the speed loop controller.
Journal ArticleDOI

Back-EMF estimation based sensorless control of PMSM: robustness with respect to measurement errors and inverter irregularities

TL;DR: In this paper, the influence of measurement errors and inverter irregularities on the performance of sensorless control is studied and it is shown analytically and experimentally that the control performances at low speed are highly affected by the imperfection of the electronic components.