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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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Proceedings ArticleDOI

A novel direct torque control of an induction motor drive with a three-level inverter

TL;DR: This paper presents a novel direct torque control algorithm to be applied in induction motor electrical drives supplied by 3-level diode clamped inverters and presents also a very simple algorithm for avoiding capacitor voltage unbalance.
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Particle Swarm Optimized Direct Torque Control of Induction Motors

TL;DR: In this paper, the effects of flux and torque hysteresis bands on the performance of direct torque control (DTC) of induction motors are investigated and optimized via the minimization, by the particle swarms optimization (PSO) technique, of a suitably selected cost function.

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Online speed control of a brushless AC servomotor based on artificial neural networks

TL;DR: In this article, an alternative approach to speed estimation of brushless AC servomotors is presented, in which the driver system was designed and speed control of the servomotor was accomplished with feedback.
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Relevant factors for the energy consumption of industrial robots

TL;DR: Results show that at standstill, it is important to reduce dwell time, select an energy efficient position and reduce the programmed value of the timer responsible for turning off the servomotors, and at high motor speed, low temperatures increase energy consumption.