commutation torque ripple minimization
Analysis of Z-Source Inverter Fed Brushless Dc Motor
... [6]Y.Liu,Z.Q.Zhu,"commutation-torque- ripple minimization in Direct-torque- controlled PM Brushless DC Drives” IEEE ...W.L.Soong,"Pulsating torque minimization ...
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Fuzzy Logic based Torque Ripple Minimization and PFC of BLDC Drive using Bridgeless- Luo Converter
... Fig. 2 shows the proposed PFC-based bridgeless Luo (BL-Luo) converter-fed BLDC motor drive. A single phase supply followed by a filter and a BL-Luo converter is used to feed a VSI driving a BLDC motor. The BL-Luo ...
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TORQUE RIPPLE MINIMIZATION SCHEME IN SWITCHED RELUCTANCE MOTOR CONSIDERING LOCAL SATURATION
... on ripple reduction by Taylor et al [8,9] resulted in a number of control schemes based on feedback ...in torque production. The position dependent logic of the commutation circuit assigns control to ...
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Minimization of Torque Ripple of Brushless DC Motor Using HCC with DC-DC Converter
... a torque ripple minimization method has been proposed for brushless dc motor using Hysteresis Current Control with Bridgeless Buck Boost ...the commutation circuit, and the desired dc 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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Torque Ripple Minimization in SRM Based on Advanced Torque Sharing Function Modified by Genetic Algorithm Combined with Fuzzy PSO
... has one input and one output. GA has been used to de- fine the best starting and ending fire angle of the phases. The best turn-on angel for the 8/6 SRM, which has been used here, is 32 ◦ and the best turn-off angel is ...
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Torque Ripple Minimization of Matrix Converter-Fed PMSM Drives Using Advanced Direct Torque Control
... on commutation techniques [1], operation stability [2], and control/modulation strategy [4]–[12] of MCs increase the usage of Matrix converter in many fields like elevators, wind power generation, and mechanical ...
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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 ...and minimization of torque ripple [3]- ...
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Isolated Zeta Converter for BLDC Motor Control with Hysterises Current Controller for Torque Ripple Minimization
... FPGA. Commutation with electronics instead of brushes allows for greater flexibility and capabilities not available with brushed DC motors, including speed limiting, "micro stepped" operation for slow ...
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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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Torque Ripple Minimization in 8/6 Switched Reluctance Motor by Controlling Turn ON and Turn OFF Angle
... positive torque is achieved only if the current pulse is positioned in a region with an increasing inductance ...the commutation instants, ...the torque per ampere is a meaningful ...
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Fuzzy Logic Control Based Torque Ripple Minimization in Brushless DC Motor using Modified SEPIC Converter
... generated torque ripples from the BLDC motor is the main issue that affects the drive performance of the BLDC drive ...the torque ripples due to current commutation is ...during commutation ...
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Torque ripple minimization of switched reluctance motor using model predictive controller technique
... Online Commutation angle control, Sliding Mode Control, Adaptive Speed and current control of SRM based on generalized Minimum Variance Controller, Fuzzy Logic and Neural Networks, Model Predictive Control ...
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A New approach for minimization of torque ripple in 8/6 switched reluctance motor
... SRM is rarely found in the factory but it is more popular due to their reliability and modification in electric machine technology. Very few practitioners are successful with SRM while others are complaining about there ...
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POSITION AND SPEED CONTROL OF BRUSHLESS DC MOTORS USING SENSORLESS TECHNIQUES
... A three BLDC motor is fed to the inverter bridge and it is connected to controlled voltage source. The inverter gates signals are produced by decoding Hall Effect signals. The three phase output of the inverter is ...
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Performance Enhancement of PMBL DC Motor Drive by Multi Carrier Modulation Technique
... In general, the rotor of BLDC motor is constructed in such a way that it has windings on the alternate permanent magnets [12]. They can be differentiated, depending on the Permanent magnet mounting and the back electro ...
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Reduction in Commutation Torque Ripple in Sensor less BLDC Motor Fed by Pvcells Using Fuzzy Logic controller
... direct torque control (DTC) scheme is suggested in ...extracting torque and flux compensation term that can add further computational overload to low cost ...compensating torque fluctuation in PWM ON ...
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Improving the Torque Characteristics of Interior PM Synchronous Motor Using an Asymmetric on-off Method on the Rotor Surface
... The optimization process is done for the current of 2 A and current angle of 20 deg. To be sure that the process is working well for other operational points, three current levels for various angles is considered. Fig. ...
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Comparative Study of Conventional, Fuzzy Logic and Neural PID Speed Controllers with Torque Ripple Minimization for an Axial Magnetic Flux Switched Reluctance Motor
... Experimental Results In order to evaluate the torque ripple minimization strategy, four experiments were performed: • current pulses were imposed and a conventional PID speed controller [r] ...
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Reduction of Commutation Torque Ripple in Sensorless Brushless DC Motor using Fuzzy Logic Controller
... Measured torque waveforms are shown in ...of commutation torque ripples are compared in the both controllers, PI controller and Fuzzy Logic ...Electromagnetic torque(Nm) is plotted in the Y ...
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