Results 31 to 40 of about 3,939 (291)
IET Electric Power Applications, 2021 A random modulation strategy is proposed to suppress the torque ripple of asynchronous motor for electric vehicle in this article. First, the models of harmonic torque and torque ripple are established. The reason of harmonic generation and its effect on
Fang Xie +3 more
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A hybrid modular multilevel converter for medium-voltage variable-speed motor drives [PDF]
, 2017 Modular multilevel converters (MMC) have revolutionized the voltage-sourced converter-based high-voltage direct current transmission, but not yet got widespread application in medium-voltage variable-speed motor drives, because of the large capacitor ...
Finney, Stephen J. +4 more
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Research on Torque Ripple Suppression of Switched Reluctance Motor by Double T-shaped Poles
Journal of Harbin University of Science and Technology, 2023 :Vibration and noise are the urgent problems to be solved in switched reluctance motor. One of the main reasons is the torque pulsation caused by the sudden change of electromagnetic tangential force.
ANZhiguo +4 more
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Sensorless torque/force control [PDF]
, 2011 Motion control systems represent a main subsystem for majority of processing systems that can be found in the industrial sector. These systems are concerned with the actuation of all devices in the manufacturing process such as machines, robots, conveyor
Khalil, Islam Shoukry Mohammed +2 more
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Numerical Simulation on Electromagnetic Energy Harvester Oscillated by Speed Ripple of AC Motors
Energies, 2023 The suppression of torque ripples in an interior permanent magnet synchronous motor (IPMSM) is essential to improve its efficiency and responsiveness. Here, we report on the development of an electromagnetic energy harvester incorporated into an IPMSM to
Masayuki Kato
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Sensorless action-reaction-based residual vibration suppression for multi-degree-of-freedom flexible systems [PDF]
, 2010 This paper demonstrates the feasibility of controlling motion and vibration of a class of flexible systems with inaccessible or unknown outputs through measurements taken from their actuators which are used as single platforms for measurements, whereas ...
Khalil, Islam Shoukry Mohammed +1 more
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Comprehensive analysis and evaluation of cogging torque in Axial Flux Permanent Magnet machines [PDF]
, 2015 Evaluation and minimization of cogging torque in Axial Flux Permanent Magnet (AFPM) machines become essential specially in direct drives for low speed applications.
Costa, A.F. +2 more
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Energies, 2017 With the development of electric vehicles and More-Electric/All-Electric aircraft, high reliability is required in motor servo systems. The redundancy technique is one of the most effective methods to improve the reliability of motor servo systems.
Yiguang Chen, Bo Zhang
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A Beat Frequency Suppression Control Method Based on a Second-order Generalized Integrator
机车电传动, 2021 In rail transit traction systems, due to the use of single-phase recti fiers, the DC input voltage of the inverter contains a ripple component whose frequency is twice the frequency of the grid-side voltage, which will cause the torque and current of the
Rong LIU, Ke CHEN, Tiangui RAO
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IEEE Access, 2020 This paper deals with the analysis and suppression of detent effect in the magnetic lead screw (MLS), which is equipped with parallel magnetized permanent magnet (PM) segments to approximate the helical PM for manufacturing simplicity.
Qian Wang, Fang Gao, Juan Zhang, Yong Li
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