Torque and Speed through the Variator
Electronic Speed Variator for a Brushless DC Motor
... Keywords— Speed variator, brushless DC ...the speed variator is to design, construct and control a ROV quadcopter which obviously requires to regulate the speed of the propellers ...
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Direct Torque And Speed Control Of A Control
... and torque ripple is greatly ...variable speed and keeping the accuracy at a set speed is ...a speed range and may demand high-speed control accuracy and good dynamic ...use ...
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High Torque Low Speed Hydraulic Motors
... TWO SPEED MOTORS HMJ and HMH motor with two-speed slide valve HR12 On some applications there is a matter of necessity to have two optional running speeds on the hydraulic ...two speed/torque ...
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Modulation for Speed and Torque Control of Induction Motor
... ISSN: 2231-2307, Volume-5, Issue-2, May 2015 Abstract −This paper proposes a simplified Space Vector Modulation technique which is used to control an inverter that supplies voltage to an induction motor. A simplified ...
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Measurement & Control of Torque and speed of Induction Machines
... low speed operation. However, it does not require the rotor speed to produce a flux ...acceleration torque is obtained with a higher isd (needed to keep the stator flux constant), and therefore there ...
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Speed and torque controls of brushless direct current motor
... the speed control performance of the BLDC machines to its ...proposed Speed and Torque Controls is chosen as it gives better controlling mechanism on the speed, phase currents and ...
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Interaction torque contributes to planar reaching at slow speed
... absolute torque impulses for each tar- get at each joint under different speed ...movement speed and ...gravity torque impulse (iG) of the shoul- der increased with target height (F = ...slow ...
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Speed Control of BLDC Motor with Direct Torque Control
... motor torque and the speed are better than that of the conventional type, the feedback based modulation technique was replaced by carrier based space vector modulation at the expense of simplicity lost and ...
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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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Technical Guide No High Performance Drives -- speed and torque regulation
... shaft speed, position and torque. AC motor torque can be regulated by controlling the relationships among the var- ious electrical and mechanical parameters that affect the flux ...a torque ...
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Speed and Torque Estimation of BLDC using DTC and Sliding Mode Observer
... In torque comparator, the reference torque is compared with the actual value using a hysteresis control ...actual speed is compared to the reference speed and an error is generated and then ...
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MMF Control Algorithm for Torque and Speed Ripple Reduction in Bldc Motor
... ABSTRACT: In open-loop starting process of Brushless DC motor without position sensors, pulsations of torque and speed are large and motor cannot even start successfully. In order to solve those problems, ...
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Speed, Torque analysis of IVCIM drive by using Fuzzy MRAC controller
... the speed control of the induction motor is not so easy due to its complexity and also due to the non-linear mathematical ...the speed and torque some artificial intelligence in ...the speed ...
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Optimal speed and torque estimations for improving the DTC dynamic performance of induction machines
... accurate speed, flux, and torque estimations to provide a proper system ...Direct Torque Control (DTC) of induction motor ...of speed without giving concern to the other ...both speed ...
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Speed and torque control strategies for loss reduction of vertical axis wind turbines
... rotational speed of VAWTs tend to be lower than for an equivalent ...the torque rating of the VAWT will be higher for the same power rating, which results in a drivetrain that is more expensive and/or that ...
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A New Direct Torque Control Strategy for Induction Motor Adjustable Speed Drives
... variable speed and torque situations with single referenc DTC method was changed with the adding of second PI controller that produces most desirable flux ...the speed and the torque ripples ...
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Design Study and Analysis of Water Hydraulic High Torque Low Speed Motor
... develop torque through a reaction to pressure on reciprocating ...high speed capabilities, but they are limited at low operating speeds and good volumetric efficiencies, especially at lower pressures ...
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Investigations on Direct Torque and Flux Control of Speed Sensorless Induction Motor Drive
... MRAS SPEED ESTIMATOR FOR DTFC- SVM OF A SPEED SENSORLESS IMD The DTFC of a speed sensorless IM drive is developed using switching table, flux and torque hysteresis controllers to get a quick ...
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Speed Control of an Induction Motor Using Ga Based Direct Torque Control
... Direct torque control (DTC) is a vector control strategy and it became very popular from previous two ...dynamic torque response, simple structure, no coordination transformation required and absence of ...
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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 ...of speed and torque ...the torque produced by the brushless dc motors is ...
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