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speed-sensorless vector drive

Speed Estimation of Sensorless Vector Controlled Induction Motor Drive using ANN

Speed Estimation of Sensorless Vector Controlled Induction Motor Drive using ANN

... of speed of a vector controlled squirrel cage Induction motor drive using an Artificial neural ...rotor speed is taken as ...the speed of the Induction motor can be estimated accurately ...

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Vector Controlled Sensorless Estimation and Control of Speed of Induction Motors

Vector Controlled Sensorless Estimation and Control of Speed of Induction Motors

... Fig.3 Vector Control Drive with the proposed X-MRAC The algorithms have been found to be stable in all the four quadrants of ...The vector controlled induction motor drives are easily adoptable to ...

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A Novel MRAS Based Estimator for Speed-Sensorless Induction Motor Drive

A Novel MRAS Based Estimator for Speed-Sensorless Induction Motor Drive

... MRAS speed estimator, developed by Schauder in [15], is the most popular scheme among MRAS speed observers due to its ...of speed estimation at low speeds is decreased and a time delay is produced ...

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Utilizing Data from a Sensorless AC Variable Speed Drive for Detecting Mechanical Misalignments

Utilizing Data from a Sensorless AC Variable Speed Drive for Detecting Mechanical Misalignments

... modern sensorless flux vector controlled drives can provide many different data accessible for machine control which has not been explored fully for the purpose of condition ...the drive, the torque ...

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Estimation sensorless vector control of induction drive performance with dynamic resistance tuning

Estimation sensorless vector control of induction drive performance with dynamic resistance tuning

... motor drive with stator resistance tuning and dynamic feed forward decoupling ...less speed control of induction motor ...the sensorless control method using slip angular speed estimation with ...

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A Robust Control Algorithm for Speed Sensorless Induction Motor Drive with SVPWM and Estimation

A Robust Control Algorithm for Speed Sensorless Induction Motor Drive with SVPWM and Estimation

... For the analysis and the performance prediction at steady state condition, a simple per phase equivalent circuit model of an IM is sufficient. The transient behaviour of the IM has to be taken into account for the ...

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A Variable Speed Sensorless Induction Motor Drive Using DC Link Measurements

A Variable Speed Sensorless Induction Motor Drive Using DC Link Measurements

... of vector control in the beginning of 1970s and the demonstration that an induction motor can be controlled like a separately excited dc motor brought renaissance in the high performance of control of ac ...

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Estimation of Rotor Flux using Neural Network Observer in Speed Sensorless Induction Motor Drive

Estimation of Rotor Flux using Neural Network Observer in Speed Sensorless Induction Motor Drive

... In speed sensorless controlled induction motor drive, the rotor flux based Model Reference Adaptive System (MRAS) for is more ...the drive at low ...indirect vector controlled ...

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A Robust enlarged Kalman Filter for Speed-Sensorless Control of a Decoupled PMSM Drive and  Linearized

A Robust enlarged Kalman Filter for Speed-Sensorless Control of a Decoupled PMSM Drive and Linearized

... state vector is extended to the stator resistance and load ...Iq), speed (Ω), rotor position (θ), load torque (TL) and stator resistance (Rs) as state variables, the voltages (Vd, Vq) as inputs, the new ...

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Model Reference Adaptive System Sensorless Vector Control of an Induction Motor Using a Novel Fractional Order PI Controller Adaptation Mechanism Aamir Hashim Obeid Ahmed, Giddani Kalcon, Nagm Eldeen Abdo Mustafa Hassanain

Model Reference Adaptive System Sensorless Vector Control of an Induction Motor Using a Novel Fractional Order PI Controller Adaptation Mechanism Aamir Hashim Obeid Ahmed, Giddani Kalcon, Nagm Eldeen Abdo Mustafa Hassanain

... techniques, vector controlled induction motors have proved to outperform the DC ...Indirect vector-controlled (IVC) induction motor drives are increasingly used in high performance systems due to their ...

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An Improved Performance of Sensorless PMSM Drive Control with Sliding Mode Observer in Low Speed Operation

An Improved Performance of Sensorless PMSM Drive Control with Sliding Mode Observer in Low Speed Operation

... a sensorless vector control scheme for a non-salient pole PMSM using a state observer of kind “Sliding Mode” for rotor flux position and speed ...low speed operation which is a non-observable ...

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Implementation of sensorless speed control for two-phase induction motor drive using isfoc strategy

Implementation of sensorless speed control for two-phase induction motor drive using isfoc strategy

... adjustable speed Two-Phase Induction Motor Drives ...variable speed control of TPIM have been proposed ...In vector control, the flux linkage magnitude and the electromagnetic torque are controlled ...

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Online Stator and Rotor Resistance Estimation Scheme Using Sliding Mode Observer for Indirect Vector Controlled Speed Sensorless Induction Motor

Online Stator and Rotor Resistance Estimation Scheme Using Sliding Mode Observer for Indirect Vector Controlled Speed Sensorless Induction Motor

... The speed of an induction motor is usually measured by using a speed ...the speed sensors are not suitable under varying environmental conditions, as the measurement suffers due to large mechanical ...

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MRAS and Adaptive Observer Techniques for Speed Estimation in Sensorless Vector Control Induction Motor Drive

MRAS and Adaptive Observer Techniques for Speed Estimation in Sensorless Vector Control Induction Motor Drive

... of sensorless induction motor drives. Sensorless vector control can be used only for AC motor drives where rotor speed and position sensors are replaced by speed estimators and an ...

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Fuzzy Speed Sensorless Vector Control of Dual Star Induction Motor Drive Using MRAS Approach

Fuzzy Speed Sensorless Vector Control of Dual Star Induction Motor Drive Using MRAS Approach

... The outline of this paper is as follows: in Section II, the modelling of DSIM is presented. Section III deals with the rotor field oriented control of a DSIM. The design of MRAS speed estimator is presented in ...

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Fuzzypi DTC Scheme Based On SVM for Sensorless Induction Motor Drive

Fuzzypi DTC Scheme Based On SVM for Sensorless Induction Motor Drive

... space vector modulation (SVM) for a customizable speed sensorless induction motor (IM) ...motor drive is provided by a two-level SVPWM ...a speed sensorless DTC-SVM system and ...

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Novel Direct Torque Control Based on Space Vector Modulation with Adaptive Stator Flux Observer for Induction Motors using ANFIS Puttu Lakshmi 1, J. N. Chandra Shekar2 , A. Lakshmi Devi 3

Novel Direct Torque Control Based on Space Vector Modulation with Adaptive Stator Flux Observer for Induction Motors using ANFIS Puttu Lakshmi 1, J. N. Chandra Shekar2 , A. Lakshmi Devi 3

... IM drive system, which is on the premise of info output linearization ...voltage vector is gotten to completely adjust the stator motion and torque ...a speed sensorless DTC-SVM system. The ...

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Vol 2, No 1 (2014)

Vol 2, No 1 (2014)

... space vector modulation (SVM) for an adjustable speed sensorless induction motor (IM) ...motor drive is supplied by a two-level SVPWM ...a speed sensorless DTC-SVM system and a ...

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ANFIS Back-EMF Observer for Improving Performance of Sensorless Brushless DC Motor Drive Challa Swathi 1, G. V. Marutheswar2

ANFIS Back-EMF Observer for Improving Performance of Sensorless Brushless DC Motor Drive Challa Swathi 1, G. V. Marutheswar2

... Figure 9 is the results of the back-EMF disturbance model using the first order differential equation. An estimation of constant back-EMF shows satisfied results as Figure 9(a), (b). But in the case of the back- EMF ...

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SPECTRUM INVESTIGATION FOR SHARING ANALYSIS BETWEEN BWA SYSTEM AND FSS RECEIVER

SPECTRUM INVESTIGATION FOR SHARING ANALYSIS BETWEEN BWA SYSTEM AND FSS RECEIVER

... This work developed a new control strategy for electric machines applied to a variable speed wind turbine system. The Backstepping control provides an improved robustness and a great enhancement and stability of ...

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