18 results with keyword: 'switching frequency direct torque controlled drives ripple torque'
Frede, “Improved Direct Torque Control for Sensorless Matrix Converter Drives with Constant Switching Frequency and Torque Ripple Reduction,” International Journal
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This paper presents an optimized look-up table (i.e. voltage vector selection) and a Constant Frequency Torque Controller (CFTC) proposed in [7] to achieve constant
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This paper presents an optimized look-up table (i.e. voltage vector selection) and a Constant Frequency Torque Controller (CFTC) proposed in [7] to achieve constant
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Chen, “A new approach to direct torque control of induction motor drives for constant inverter switching frequency and torque ripple reduction,” IEEE Trans. Energy
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Yuwen, "A novel direct torque controlled interior permanent magnet synchronous machine drive with low ripple in flux and torque and fixed switching
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Chen, “A new approach to direct torque control of induction motor drives for constant inverter switching frequency and torque ripple reduction,” IEEE Trans. Energy
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In Scenario 2, a greater value of α, or attractiveness, enables Uruk to attract more flow and increase its size, so that overall population increased nearly 24-27 times the
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In theory, a permanent magnet brushless motor with any back-EMF waveform can be operated in either BLAC or BLDC mode, although, in practice, it is desirable for a BLAC motor to have
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Direct Torque Control using multilevel inverter (DTC-MLI) with hysteresis controller suffers from high torque and flux ripple and variable switching frequency.. In this paper,
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Direct Torque Control using multilevel inverter (DTC-MLI) with hysteresis controller suffers from high torque and flux ripple and variable switching frequency.. In this paper,
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- Foreign institutions’ offshore programmes, designated by the Japanese education minister as bona fide programmes of bona fide higher education institutions in their country
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The inverter related ripple torque is caused by the Hysteresis controller because which produces high switching frequency current ripple.. This high frequency ripple is
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for induction machines, based on an improved torque and stator flux estimator and its implementation using field-programmable gate arrays (FPGA). The DTC performance is
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The proposed method reduces the Torque ripples by controlling the inverter switching instants and high switching frequency by using torque ripple minimization scheme. The
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In this paper, 3 major problems associated with DTC induction motor drives are presented and described; they are high torque ripple, variable switching frequency and poor
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In particular, although popular advice on portfolio allocation is below the efficient frontier measured in real terms, investors who follow the advice lose at most 22 basis points
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An advanced direct torque control (DTC) technique using Model predictive control (MPC) is proposed for matrix converter (MC)-based permanent-magnet synchronous motor (PMSM)
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