stator flux estimation compensation
Direct torque control of permanent magnet brushless AC drive with single-phase open-circuit fault accounting for influence of inverter voltage drop
... the stator open phase winding and its relevant stator flux linkage should be taken into account although they do not contribute to torque production in the post-fault operating ...model-based ...
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Flux and Torque Estimation in Direct Torque Controlled (DTC)Induction Motor Drive.
... The compensation technique presented in [6] was implemented both in simulation and in ...a stator frequency of 5Hz and amplitude corresponding to the rated V/f ...
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Model predictive direct flux vector control of multi three phase induction motor drives
... predictive estimation for the dedicated k-set. The MPE provides the values of stator fluxes and stator currents for the next sample time instant ...the stator currents, it is possible to ...
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Kinematic calibration of a 6 DOF hybrid robot by considering multicollinearity in the identification Jacobian
... (1) estimation of the encoder offsets by ordinary least squares (OLS) in an iterative manner until an overall linearized regression model becomes valid; and (2) estimation of the whole set of identifiable ...
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Direct Torque Control of Induction Motors
... magnetic flux , of mechanical torque and the stator flux position sector created a digital word, which selects the appropriate voltage vector from the switching ...level flux hysteresis ...
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Analysis of Dynamic Performance of Three Phase Induction Motor Using Matlab Simulation
... Space Vector Modulation (SVM) can directly transform the stator voltage vectors from a,b-coordinate system to pulse width modulation (PWM) signals (duty cycle values). The standard technique of the output voltage ...
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Online Full Text
... REFERENCE STATOR FLUX Torque ripple minimization is a major difficulty in Direct Torque Control of induction ...motor flux greatly influences the torque ...their flux value as the nominal ...
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Compare the Direct Torque Control of Permanent Magnet Synchronous Motor with Asynchronous Motor by Increasing Levels of Inverter
... Today there are basically two types of instantaneous electromagnetic torque-controlled AC drives used for high- performance applications: vector and direct torque control (DTC) drives. The most popular method, vector ...
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Improved Performance of Direct Torque Control of Induction Motors
... Stator Resistance (ohm) = 1.405 Rotor Resistance (ohm) = 1.395 Stator Self Inductance (H) = 0.005839 Rotor Self Inductance (H) = 0.005839 Mutual Inductance (H) = 0.2037 No. of poles = 4 Moment of Inertia ...
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Joint State and Parameter Estimation of Squirrel Cage Induction Motor – A System Identification Approach using EM based Extended Kalman Filter
... The EKF algorithm for state estimation suffers from serious shortcomings, namely choosing the initial states and covariance. The EM algorithm can be used to obtain the initial values { R , Q }. The EM algorithm is ...
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Direct torque control induction motor drives
... maintain flux and torque between upper and lower ...speed, flux, stator voltage and hysteresis band also leads to a variable switching frequency operation, torque ripples and flux dropping at ...
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NOVEL DIRECT TORQUE CONTROL BASED ON SPACE VECTOR MODULATION WITH ADAPTIVE STATOR FLUX OBSERVER FOR INDUCTION MOTORS
... In this paper, we present a new approach to the Direct Torque Control (DTC) problem of three-phase induction motor drives. By observing that the DTC objectives, which require the controlled variables to remain within ...
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Design of a Stator Permanent Magnet Transverse Flux Machine for Direct-drive Application.
... residual flux density of ferrite magnets requires a magnetic circuit design with flux ...leakage flux paths but are essential for structural integrity, or requires a segmented rotor that is ...
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The Novel Two Phase Field-Assisted Hybrid Srg: Magnetostatic Field Analysis, Simulation, and Experimental Confirmation
... The design of the motor/generator becomes complicated due to complex geometry and material saturation. The reluctance variation of the generator has an important role on the performance; hence an accurate knowledge of ...
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Model predictive Direct Flux Vector Control of multi three phase induction motor drives
... In the recent years, the model predictive control (MPC) of the electrical drives has gained an impressive attention. In this context, a relevant development has been reached in the predictive torque control [1-6] that ...
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IJARSE, Vol. No.2, Issue No.7, July, 2013 ISSN-2319-8354(E)
... exact stator voltage required to produce the desired changes in torque and flux, torque and flux ripples compose a real problem in DTC induction motor ...
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Direct Torque Control of Induction Motor Drives
... the stator flux vector is lying sector I is shown in fig ...the stator flux within the limits of two hysteresis ...current, flux and ...
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Simulation and Experiment for Induction Motor Control Strategies
... The stator flux orientated sensorless DTC is based on conventional direct torque control, so the torque and flux performance can be ...the stator flux orientation technique is applied ...
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Advanced Technique to Improve Dynamic Response of a Direct Torque Controlled Induction Motor
... Abstract- Direct torque control based on space vector modulation (SVM-DTC) preserve DTC transient merits, furthermore, produce better quality steady-state performance in a wide speed range. The SVM-DTC system based on ...
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A Detailed Comparison Between FOC and DTC Methods of a Permanent Magnet Synchronous Motor Drive
... torque, flux and speed under different operation conditions studied and the advantages of FOC and DTC are ...Direct Flux Control (DFC) and can be applied as an optimized method of PMS motor control in the ...
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