low speed torque ripple
PWM Current Controller for Switched Reluctance Motor Drives
... extended-speed low-ripple torque con trol of switched reluctance motor drives,” IEEE ...offline torque sharing function for torque ripple reduction in switched reluctance ...
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Reduction of Torque Ripple method for Small Inductance Brushless DC Motor
... and ripple-free instantaneous torque for position information can be ...the low pass filter (LPF) especially at high ...at low speed ...parameters, speed, and load conditions ...
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Torque ripple minimization of a BLDC motor drive by using electronic commutation and speed, current controllers
... commutation torque ripple when a single current sensor is used in the dc link of the inverter to regulate the current flowing through two phases in ...commutation torque ripple, because the ...
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Direct Torque Control of 5-Phase 10/8 Switched Reluctance Motors
... the torque and flux commands at low speed in order to examine the system performance under difficult ...motor torque and flux commands experience a 500% and 100% change respectively at t = ...
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Speed and Torque Ripple Reduction of the Brushless DC Motor using Voltage and Current Controller
... of torque and speed control of the electric motor is required in most ...response, low inertia, high reliability and maintenance free advantages of brushless dc motors, it is used in applications ...
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Particle Swarm Optimization Based Direct Torque Control of Brushless DC Motor
... direct torque control (DTC) of BLDC motor drives by using particle swarm optimization ...higher speed ranges, higher efficiency, and better speed versus torque ...Direct torque control ...
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Reduced Torque and Flux Ripple by Hysteresis Band based Bus Clamped Direct Torque Control of Induction Motor
... Direct Torque Control (DTC) strategies of Induction motor drives are mostly used in variable speed applications ...electromechanical torque within bounds around its reference; it consists of ...
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A New Approach to Direct Torque Control of Induction Motor with Teaching Learning Based Optimization
... the torque and flux of the induction motor different strategies are available as per the ...Direct torque control is one of the methods which is used in variable frequency drives for the control of the ...
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Three-Phase Induction Motor DTC-SVPWM Scheme with Self-tuning PI-Type Fuzzy Controller
... direct torque control seems to be particularly interesting being independent of machine rotor ...dynamic torque response and robustness under machine parameter variations without the use of current ...
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Solution to Direct Torque Control of Induction Motor with Artificial Bee Colony Algorithm
... flux ripple and torque may occur in conventional direct torque control (DTC) induction motor ...at low speeds by continuously tuning the regulator by adjusting the Kp, Ki ...the speed ...
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MMF Control Algorithm for Torque and Speed Ripple Reduction in Bldc Motor
... good speed regulation performance, reliable operation, no excitation loss, maintenance convenience and energy ...thus low-cost hall sensors are usually ...
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A Novel Method for Commutation Torque Ripple Reduction of Four-Switch, Three-Phase Brushless DC Motor Drive
... commutation ripple always occur and torque ripple reduction is ...commutation torque ripple in low speed range (case C) in a FSTPI-BLDC motor ...high speed range ...
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Torque Ripple Suppression Control of Bearingless Brushless DC Motor in Wide Speed Regulation Range
... of low energy consumption, high critical speed and better speed adjustment ...However, torque ripple exists inevitably due to the current commutation of the BBLDC motor and the wide ...
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COMPARATIVE STUDY OF PI AND FUZZY CONTROLLERS TO MINIMIZE PERIODIC TORQUE AND SPEED RIPPLES IN SWITCHED RELUCTANCE MOTOR
... Torque ripple reduction in switched reluctance motors (SRM) has become a major research theme for this machine ...at low speeds, reduction of the torque ripple becomes the main issue in ...
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Reduction in Commutation Torque Ripple in Sensor less BLDC Motor Fed by Pvcells Using Fuzzy Logic controller
... and low friction. BLDC motor has the advantage of high speed adjusting performance and power ...high torque ripple characteristics caused by no ideal commutation ...the low-voltage ...
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Direct Torque Control Strategy Based on the Emulation of Six-Switch Inverter Operation by a Four-Switch Inverter Using an Adaptive Fuzzy Controller
... direct torque control strategy aimed to four-switch three-phase inverter-fed an interior permanent magnet synchronous machine drives, where the speed closed-loop regulator used an adaptive fuzzy logic ...
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THREE PHASE SWITCHED RELUCTANCE MOTOR DRIVE WITH IMPROVEMENT IN TORQUE RIPPLE
... ‘Torque Ripple Reduction in Switched Reluctance Motor’, International Journal of Advanced Scientific and Technical Research Issue 4 volume 2, March-April ...
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Direct torque control of brushless DC drives with reduced torque ripple
... netic torque can be obtained from (19) and (12), respectively. The speed feedback derived from rotor position sensors is compared to the speed command to form the torque command from the pro- ...
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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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The Influence of DC-Link Voltage on Commutation Torque Ripple of Brushless DC Motors with Two-Segment Pulse-width Modulation Control Method
... In this paper, a method is proposed that in commutation interval, while dividing each PWM period into two segments, a voltage which is two times as that of phases conduction period, is applied to DC-link of three-phase ...
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