rotor flux
A Current-Based Output Feedback Sliding Mode Control for Speed Sensorless Induction Machine Drive Using Adaptive Sliding Mode Flux Observer
... Sliding-Mode flux observer for speed sensorless and rotor flux control of three-phase induction motor (IM) ...the rotor speed and rotor flux controllers are derived ...the ...
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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
... control. Rotor flux, back EMF and reactive power techniques are popular MRAS strategies which have received a lot of ...However, Rotor Flux based Model Reference Adaptive System (RF-MRAS), ...
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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
... of rotor resistance which will vary with temperature and ...and flux as a state variable for rotor resistance estimation makes MRAS computationally simpler and easy to ...paper, Rotor ...
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PWM Current-Source Inverter Fed Induction Motor Drive with a New Stator Current Control Method Kaluri Ramanaiah, Dr. M. BalaSubbareddy
... In this paper the control of the PWM-CSI-fed induction motor in the rotor-flux-based reference frame has been discussed. New methods for compensating the error between the reference and measured value of ...
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A reliable vector control method: IFOC for three phase induction motor drives using SVPWM
... the flux component (aligned with d co- ...the rotor flux vector is possible to utilize two different strategies: DFOC (Direct Field Oriented Control): rotor flux vector is either ...
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Modular Rotor Single Phase Field Excited Flux Switching Machine with Non-Overlapped Windings
... A novel single phase field excited topology of modular rotor flux switching machine is presented. 400[r] ...
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Joint State and Parameter Estimation of Squirrel Cage Induction Motor – A System Identification Approach using EM based Extended Kalman Filter
... For nonlinear systems( in this case induction motor) , the extended Kalman filter has to be used. The EKF is a sophisticated algorithm that is suitable for estimation of the motor parameters and the rotor ...
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Rotor shaping method for torque ripple mitigation in variable flux reluctance machines
... of rotor shaping methods for torque ripple mitigation in VFRMs is ...the rotor pole shaping methods, including the eccentric circular, inverse cosine and inverse cosine with 3 rd harmonic shaping methods ...
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Controlled Transient Torque Production in Vector Controlled Induction Motor Drives Using Reduced Order Observer
... The flux estimation in induction machines is examined in [2] from the viewpoint of observer ...the rotor flux and speed of the induction motor based on adaptive control theory is dealt with in ...
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NOVEL METHODS FOR PERMANENT MAGNET DEMAGNETIZATION DETECTION IN PERMANENT MAGNET SYNCHRONOUS MACHINES
... This chapter proposes an online PM demagnetization fault detection method based on the analysis of PMSM output torque ripple. Firstly, a torque ripple based rotor flux linkage detection model considering ...
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SEGMENTATION OF BLOOD VESSELS USING IMPROVED LINE DETECTION AND ENTROPY BASED THRESHOLDING
... the flux and torque is possible in AC ...the rotor flux linkage is field producing current which requires the position of the rotor flux linkages at every ...the rotor ...
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Analysis of Dynamic Performance of Three Phase Induction Motor Using Matlab Simulation
... 3.4. Rotor Flux Model: Knowledge of the rotor flux space vector magnitude and position is key information for the AC induction motor vector ...the rotor magnetic flux space ...
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A novel structure of hybrid excitation flux switching motor with segmental rotor
... segmental rotor has been ...segmental rotor based on 2-D ...and flux strengthening has been analysed and validated that the novel structure will work on safe region with adequate ...
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Design and Analysis of Gas Turbine Blade
... The gas turbine is a power plant, which produces a great amount of energy for its size and weight. The gas turbine has found increasing service in the past 40 years in the power industry both among utilities throughout ...
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Development of a new single phase field excitation flux switching motor topology with segmental rotor
... Synchronous motors (SMs) are naturally constant-speed motors. They operate in synchronism with line frequency and are commonly used where precise constant speed is required. The SM is an electric motor that is driven by ...
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Design and optimisation of outer rotor hybrid excitation flux switching motor
... the flux weakening region, which requires control of the armature winding ...improved flux weakening capability, much higher power and torque densities, variable flux control capability, and higher ...
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Design optimization of single phase inner rotor and outer rotor hybrid excitation flux switching machine for EV applications
... 4 proven by three-phase inner-rotor HEFSM [2] and outer-rotor HEFSM [21]. However, the proposed machines have problems of high torque ripple and high induced voltage [22]-[24]. Moreover, since the designed ...
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Impact of rotor pole number on the characteristics of outer rotor hybrid excitation flux switching motor for in wheel drive EV
... of rotor pole number on the characteristics of outer-rotor hybrid excitation flux switching motor (ORHEFSM) for in-wheel drive electric vehicle (EV) ...of rotor making the motor more robust ...
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Robust indirect field oriented control of induction generator
... and flux are ...robust flux regulation and robust stabilization of the torque current dynamics leading to improved energy efficiency of the electromechanical conversion ...
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Determining the Air Gap Length of an Axial Flux Wound Rotor Synchronous Generator
... The slot fill factor for rectangular conductors and low voltage machines can be assumed to be 0.6, since the average slot fill factor for low voltage machines with a round stator conductor is about 0.4 [4]. The stator ...
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