torque ripple
Reduction of Commutation Torque Ripple in Sensorless Brushless DC Motor Using Fuzzy Logic Controller
... load torque of ...load torque because a part of the phase current is consumed to reduce the air-gap field, and thus the commutation current is ...Measured torque waveforms are shown in ...commutation ...
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An Improved SEPIC Converter and NPC Inverter for the Supression of Torque Ripple in PMSM Using PWM
... [1]. Torque ripple, which occurs during commutation period, has always been one major factor in preventing BLDCM from achieving high ...of torque ripple [3]- ...minimum torque ...
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TORQUE RIPPLE MINIMIZATION SCHEME IN SWITCHED RELUCTANCE MOTOR CONSIDERING LOCAL SATURATION
... of torque production is utilized in these machines, the basic difference of torque production mechanisms between the SRM and other conventional dc or ac machines is the dependence of the mechanism on the ...
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Regenerative Braking and Torque Ripple Reduction of Induction Motor Drives Based on Space Vector Modulation Direct Torque Control Strategy
... direct torque control (CDTC) strategy provides the faster dynamic ...direct torque control strategy such asit is associated with large torque ...reducing torque ripple of induction ...
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A fractional delay variable frequency repetitive control for torque ripple reduction in PMSMs
... for torque ripple reduction in PMSM drives using the angle- based RC and DBCC including four innovative aspects: 1) the compensation of DBCC loop delay in the angle-based RC, using position prediction; 2) ...
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Torque ripple minimization of switched reluctance motor using model predictive controller technique
... In recent years many control characteristics were implemented to improve the performance of machines in the field of power electronics. Some of the controllers give very good performance to achieve the premeditated ...
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Evaluation of Torque Ripple of an Optimal Designed 3 Phase Induction Motor Using Uncertainty
... the torque ripple of an optimal designed 3-phase induction motor using the measurement uncertainty ...as torque ripple, the type-A standard uncertainty can be calculated through the periodical ...
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Rotor shaping method for torque ripple mitigation in variable flux reluctance machines
... the torque quality of VFRMs for high performance applications, both the control and machine design techniques can be ...the torque density of ...for torque ripple mitigation in VFRMs is ...the ...
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THREE PHASE SWITCHED RELUCTANCE MOTOR DRIVE WITH IMPROVEMENT IN TORQUE RIPPLE
... the torque ripple in this motor depend upon more than one parameter (angle of firing ,form of current and flux) and these parameter internally depends upon each ...improving torque ripple is ...
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Improved Methods of Direct Torque Control of Induction Machine for Reduced Torque Ripple by Using Fuzzy Logic Controller
... electromagnetic torque control, indirect voltage and current control, sinusoidal current and flux, low torque ripple, superior torque dynamics and hysteresis band dependent inverter switching ...
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Torque Ripple Minimization in SRM Based on Advanced Torque Sharing Function Modified by Genetic Algorithm Combined with Fuzzy PSO
... 7%) torque ripple which is about one-third of the previous ...the torque reference in part in which a rotor pole is under a stator ...the torque in commuta- tion ...improve torque ...
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A New approach for minimization of torque ripple in 8/6 switched reluctance motor
... popular in various industries because of increasing cost of permanent magnet as it has concentrated winding on each and every pole also it has salient structure therefore SRM is a low cost extremely robust variable speed ...
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Fuzzy logic Controller based Asymmetrical SRM Converter for Reduction of Torque Ripple
... generated torque ripple in swit ched reluct ance mot ors (SRM ) can be considered as one of t he major disadvantages of t he mot ...developed torque, diminish the efficiency, causes noise and vibrat ...
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Torque Ripple Suppression Control of Bearingless Brushless DC Motor in Wide Speed Regulation Range
... large torque ripple exists in the BBLDC motor due to cogging effect, non-ideal trapezoidal back electromotive force and current commutation, which affects its ...
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Reduction of Commutation Torque Ripple in Sensorless Brushless DC Motor using Fuzzy Logic Controller
... minimize torque ripple for the entire speed range, a ample analysis of commutation torque ripple was made according to phase advancing (PA) commutation control ...
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Torque ripple minimization of a BLDC motor drive by using electronic commutation and speed, current controllers
... inherent torque ripples of a BLDC motor drive, operated without a DC link capacitor, have been ...compensating torque ripples, comparable performance to a conventional BLDC motor drive with a large DC link ...
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Isolated Zeta Converter for BLDC Motor Control with Hysterises Current Controller for Torque Ripple Minimization
... “Torque Ripple Minimization & Closed Loop Speed Control of BLDC Motor with Hysteresis Current Controller, ” 2014 2nd International Conference on Devices, Circuits and Systems ...
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DC-link control filtering options for torque ripple reduction in low power wind turbines
... large ripple currents at twice the grid frequency. These ripple currents are reflected through the DC bus into the PMSG, causing increased heating and ripple ...the ripple currents into the ...
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Minimization of Torque Ripple of Brushless DC Motor Using HCC with DC-DC Converter
... Abstract - This paper shows the Minimization of Torque Ripple of Brushless DC Motor Using Hysteresis Current Control. The speed of the BLDC motor is controlled by varying the dc-bus voltage of a voltage ...
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Assessment of torque ripple minimization techniques for aircraft switched reluctance machine starter/generator
... the ripple caused by commutations (overlap ...of torque ripple which has much higher frequency than commutation torque ...the torque ripple caused by hysteresis band, the ...
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