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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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Citations
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Journal ArticleDOI

On generation of virtual outputs via signal injection: Application to observer design for electromechanical systems

TL;DR: In this paper, the authors propose a new filter with guaranteed convergence properties that outperforms the classical designs for a general class of electromechanical systems, and its performance is assessed via simulations and experiments on the benchmark example of a 1-dof magnetic levitation system.
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Control Strategy for a Novel Combined Operation of Long Stator and Short Stator Linear Drive System

Bo Yang, +1 more
- 01 Nov 2004 - 
TL;DR: In this article, the authors presented experimental results of the control strategy of this combination, which is based on extensive theoretical investigations, and showed the control performance, are applied to operate vehicles of the NBP (Neue Bahntechnik Paderborn) railway system.
Proceedings ArticleDOI

Modeling of slotless surface-mounted PM synchronous motor for sensorless applications

TL;DR: In this article, an analysis of a slotless surface mounted permanent magnet synchronous motor is presented including mathematical modeling and measurement results, which includes the mathematical techniques to expand the vector valued and multivariable fluxcurrent function and transform the nonlinear second order part between stator and rotor oriented forms.
Journal ArticleDOI

Analysis of generalized continual-clamp and split-clamp PWM schemes for induction motor drive

TL;DR: In this paper, the authors derived analytically closed-form expressions for the total RMS harmonic distortion factor and torque ripple factor pertaining to CCPWM with any arbitrary position of the clamping interval.
Journal ArticleDOI

Towards sensorless observers for sinusoidal electric machines with variable speed and no mechanical model: A promising approach for PMSMs

TL;DR: A novel and promising design strategy is presented to develop a simple sixth-order observer for estimating rotor speed/position and magnetic flux amplitude, in the context of non-zero variable speed, with unknown constant sign and bounded derivative.