Torque ripples
Speed Control and Minimization of Torque Ripples in BLDC Motor using Pi, SMC and SMC PWM Techniques
... The ripples in the torque for different loading condition are ...the torque ripples produced due to the flow of motor currents through the freewheeling diodes during the commutation intervals ...
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Mitigation of Commutation Torque Ripples in Permanent Magnet Brushless DC Motor
... commutation torque ripple occurs because of changeover of load current from one phase to another at every 60 electrical ...and torque ripples in sensor Brushless DC motor. This torque ripple ...
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Comparison between Field Oriented Control of BLDCM and PMSM Using SVPWM in Minimizing Torque Ripples In Satellite Application
... generates torque ripples which is a major concern in high precision applications especially in ...the torque generated is less when compared to BLDC motors, PMSM generates less torque ...
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Single Phase Induction Motor Drive with Restrained Speed and Torque Ripples Using Neural Network Predictive Controller
... In industrial drives, electric motors are extensively utilized to impart motion control and induction motors are the most familiar drive at present due to its extensive per- formance characteristic similar with that of ...
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Minimization of Torque Ripples for PMBLDC Motor Drive Using Simplified IFOC Based H-Bridge Multi Level Inverter
... of torque ripples is requirement in high performance variable speed drive applications which need the smooth operation with minimum torque ...harmonics, torque ripples, and voltage ...
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A Modern Design of Torque Ripples Reduction in BLDC Drive for Electric Vehicle Application
... high torque potential for steep slope or road conditions, high reliability, robustness for electric vehicle and offers a reasonable ...of torque ripples in brushless DC (BLDC) drive by using ...
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Torque Ripples Minimization in DTC based Induction Motor Drive using Fuzzy Logic Technique
... reduce torque ripples in an induction motor drive employing direct torque control ...and torque can be easily reduced by applying the selected inverter voltage vector only for the part and not ...
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Minimization of Torque Ripples in BLDC Motor Using PWM Technique
... that torque ripple in sinusoidal current drive is better than square drive ...the torque ripple and designed to overcome the disadvantages from other torque ripple reduction ...
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Imposed weighting factor optimization method for torque ripple reduction of IM fed by indirect matrix converter with predictive control algorithm
... the torque ripples and flux control of the induction motor fed by an indirect matrix ...paper, torque ripple reduction behaviors are analyzed for both the rated speed and low speed regions with ...
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Seven-level NPC Inverter-based Neuronal Direct Torque Control of the PMSM Drives with Regulation Speed Using Neural PI Controller
... direct torque control (DTC) technique scheme of permanent magnet synchronous motors (PMSMs) is proposed using a seven-level neutral point clamped (NPC) inverter and artificial neural networks (ANNs) ...
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Analysis of Fractional-Slot Axial-Flux PM Machines by 3-D FE Simulation
... higher torque average along with less torque ripples which makes them more appropriate for applications requiring high ...unbalanced torque exerted on bearing which reduces its ...
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Prostitution in Thailand
... electromagnetic torque are maintained ...the torque ripples are slightly high compared with conventional method of vector control and 6-sector and 24-sector lookup table because the stator currents ...
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DESIGN OF INTERNAL PERMANENT MAGNET BRUSHLESS DC MOTOR USING ANSYS
... This paper has demonstrated an approach to brushless DC motor design and to analyze it. It is seen that as per given dimensions of laminations and magnet, the motor is able to give a power of around 500 Watt with ...
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Reduce Torque Ripple of IM by Approach Method DTC
... the ripples are caused by the unbalanced output voltage, because of the AMDTC has large number of selectable voltage vectors, it benefit reduce torque ripples and current ripples of induction ...
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Direct torque control induction motor drives
... and torque) to select the switching voltage in order to maintain flux and torque between upper and lower ...operation, torque ripples and flux dropping at low speed due to the hysteresis ...
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Torque Ripple Minimization in Switched Reluctance Motor Drives by Using Converter Topology H. S. Sakhare 1, Dr. K. B. Porate2
... the torque ripple and acoustic noise. Torque production mechanism of SRM is basically successive excitation of each stator ...phases. Torque dip between two subsequent phase excitation dictates the ...
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STRENGTHENING ANTI JAM GPS SYSTEM WITH ADAPTIVE PHASE ONLY NULLING USING EVOLUTIONARY ALGORITHMS
... The torque ripples are parasitic and can lead to torque pulsations, vibrations and ...parasitic torque. The compensation of parasitic torque ripples is by producing high ...
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Improvement of the Torque-Speed Performance and Drive Efficiency in an SRM Using an Optimal Torque Sharing Function
... reduction in copper loss and torque ripples at high speed compared to the conventional TSFs.. 23.[r] ...
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TORQUE RIPPLE REDUCTION USING FIELD ORIENTED CONTROL(FOC)-A COMPARISON BETWEEN BLDCM AND PMSM
... generates torque ripples which is a major concern in high precision applications especially in ...the torque generated is less when compared to BLDC motors, PMSM generates less torque ...
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COMPARATIVE STUDY OF PI AND FUZZY CONTROLLERS TO MINIMIZE PERIODIC TORQUE AND SPEED RIPPLES IN SWITCHED RELUCTANCE MOTOR
... First method reduces the torque ripples but it is costly whereas second method is feasible and more effective which can improve the performance of speed control technique. In this paper switching strategy ...
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