adaptive rotor flux observer
Cascaded Nonlinear Adaptive Predictive Control based Adaptive Flux Observer of Induction Motor
... torque, rotor speed and rotor flux amplitude tracking ...new Adaptive Nonlinear Predictive Control to induction motor drive uses a combination of the adaptive observer for ...
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A Current-Based Output Feedback Sliding Mode Control for Speed Sensorless Induction Machine Drive Using Adaptive Sliding Mode Flux Observer
... SM flux observer has been proposed in [5] and used to estimate the rotor speed, rotor position and rotor flux vector components of a 5kW cage rotor IM in a fixed stator α ...
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Design of Flux Observer for Induction Machine Using Adaptive Control Theory
... and rotor-flux of an induction machine based on the measured quantities such as stator current and ...order observer with assumed stator current, here stator voltages are measurable & ...
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Estimation of Rotor Flux using Neural Network Observer in Speed Sensorless Induction Motor Drive
... the rotor flux based Model Reference Adaptive System (MRAS) for is more ...the rotor flux which can be obtained from the voltage or current ...problems, flux observer is ...
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Influence of Constant Values and Motor Parameters Deviations on the Performance of the Adaptive Slidingmode Observer in a Sensorless Induction Motor Drive
... Abstract—The adaptive sliding-mode observer has been widely used to estimate the rotor flux and rotor speed in inverter-fed sensorless induction motor ...sliding-mode observer ...
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Sensorless Speed and Position Control with DTFC of Induction Motor using Four Switch Three Phase Inverter and Adaptive Flux Observer
... the flux, torque, current and speed are obtained. Also adaptive flux observer used for rotor flux, speed and stator resistance ...
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A Fuzzy Adaptive Pi Controller Based DTC Induction Motor Drive
... stator flux estimation raises difficulty due to improper working of an open loop voltage model observer and existence of an open loop ...an adaptive flux observer is implemented which ...
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Control System Research of Adaptive Observer for PMLSM
... the adaptive observer of permanent magnet synchronous motor with the adaptive law design based on the above stator resistance and rotor flux linkage is ...
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Controlled Transient Torque Production in Vector Controlled Induction Motor Drives Using Reduced Order Observer
... reference adaptive system (MRAS) method [5] is based on the comparison between the outputs of two estimates : the first one that does not contain rotor speed (reference model) and second one that uses speed ...
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Comparison of MRAS Based Rotor Resistance Estimator Using Reactive Power and Flux Based Techniques for Space Vector PWM Inverter Fed Induction Motor Drives
... on-line rotor resistance estimation methods are proposed in the literature ...techniques, Observer based techniques and Model Reference Adaptive System ...for rotor resistance estimation ...
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NOVEL DIRECT TORQUE CONTROL BASED ON SPACE VECTOR MODULATION WITH ADAPTIVE STATOR FLUX OBSERVER FOR INDUCTION MOTORS
... An induction motor (IM) is a type of asynchronous AC motor where power is supplied to the rotating device by means of electromagnetic induction. Other commonly used name is squirrel cage motor due to the fact that the ...
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Some Peculiarities of Helicopter Main Rotor Aeroacoustic for Far-Field Observer
... The HSI noise is associated with shocks and transonic flow around the advancing rotor blades. Including the quadrupole sources in the FW-H equation [1] accounts for nonlinearities in the vicinity of the ...
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Joint State and Parameter Estimation of Squirrel Cage Induction Motor – A System Identification Approach using EM based Extended Kalman Filter
... Induction motors are widely used in industry since they are very economical, rugged and reliable, and are available in wide ranges of capacity. Unlike D.C motors, they have highly non- linear characteristic, requiring ...
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Flux analysis of a novel dual rotor hybrid excitation flux switching machine (DRHEFSM)
... for flux linkages at each coil are ...the flux behaviour. The U flux of PM is shifted to ...U flux intercept with 90° and 270°, thus the zero rotor position is ...Several flux ...
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Application of Method of Adjustable Model for Identification of Linear Object with Uncertain Parameters and Disturbance
... set in model of the drive (28), the desirable transition process of control system at 𝜑 ∗ 𝑡 = 1 𝑡 will have the set duration 𝑇, s and the set overshoot 𝜎, %; 𝐽 = 𝐽 −1 and 𝑀 are the estimates received in observer ...
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Direct Torque Control of Interior Permanent Magnet Synchronous Motors Based on Full order Sliding mode Flux Observer
... stator flux directly in stator coordinate system with torque error and stator flux error, and has advantages of simple control structure, fast dynamic response and less dependent on parameters ...Stator ...
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Frequency Variation in Rotor Current on Changing Mechanical Load in Three Phase Induction Motor
... Chart -2: Variation of Power factor versus Torque The power factor of induction motors varies with load, typically from around 0.85 or 0.90 at full load to as low as about 0.20 at no-load, due to stator and rotor ...
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Perturbation Observer based Adaptive Passive Control and Applications for VSC-HVDC Systems and FACTS Devices
... several adaptive and robust control schemes have been developed, such as linear matrix inequality (LMI)-based robust control [43], adaptive backstepping [44], adaptive control [45], and feedback ...
202
NOVEL METHODS FOR PERMANENT MAGNET DEMAGNETIZATION DETECTION IN PERMANENT MAGNET SYNCHRONOUS MACHINES
... magnet flux but have same size and ...magnetic flux, uniform demagnetization could not be ...residential flux linkages are 83% and 67% respectively as shown in Table ...
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Abstract:- The axial flux permanent generator double stator- single rotor ((inner rotor) is presented in this
... The rotor is a circular- based (aluminium) disc supporting neodymium permanent magnets (sintered NdFeB with 0% Co-having magnetic strength of 42 MGOe) as shown in ...
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