Results 11 to 20 of about 1,887,401 (270)
Energies, 2020 Adjustable speed drives use Pulse Width Modulation (PWM) to switch DC-bus voltage for the synthesis of three-phase voltages to provide power to the permanent magnet synchronous motor (PMSM).
Muhammad Aqil, Jun-Hyuk Im, Jin Hur
doaj +1 more source
IEEE Access, 2021 Nonideal switching characteristics of voltage source inverter (VSI) will result in distortions in both phase currents and reference voltages of a permanent magnet synchronous machine (PMSM) drive system, which will also consequently introduce ripples ...
Shichao Zhou +7 more
doaj +1 more source
Robotics, 2021 The paper deals with software sensors which facilitates the diagnosis of electrical machines in non-stationary operating conditions. The technique targeted is order tracking for which different techniques exist to estimate the speed and angle of rotation.
Laurent Rambault +5 more
doaj +1 more source
Energies, 2020 The paper firstly summarizes a simple analytical model of the air gap flux-density distribution for isotropic permanent magnet (PM) synchronous machines, in the presence of static eccentricity.
Andrea Del Pizzo +2 more
doaj +1 more source
Electrical bearing failures in electric vehicles
Friction, 2020 In modern electric equipment, especially electric vehicles, inverter control systems can lead to complex shaft voltages and bearing currents. Within an electric motor, many parts have electrical failure problems, and among which bearings are the most ...
Feng He, Guoxin Xie, Jianbin Luo
doaj +1 more source
IEEE Access, 2019 To realize the non-contact measurement of the rotational shaft centerline orbit, a shaft centerline orbit reconstruction method using a specifically designed electrostatic sensor in conjunction with the neural network approximator is proposed in this ...
Kaihao Tang +4 more
doaj +1 more source
Indirect torque observer-based sensor-less efficient control of bearingless switched reluctance motor using global sliding mode and square currents control method [PDF]
Archives of Control Sciences, 2021 The Bearingless Switched Reluctance Motor (BSRM) is a new technology motor, which overcomes the problems of maintenances required associated with mechanical contacts and lubrication of rotor shaft effectively.
Pulivarthi Nageswara Rao +4 more
doaj +1 more source
Effect of asymmetry of supply voltages on asynchronous motor operation modes
E3S Web of Conferences, 2018 Effect of asymmetry of supply voltages on asynchronous motor operation modes was investigated using the computer-aided simulation experiments, the software complex Matlab and the package program Simulink.
Romanova Victoria, Khromov Sergey
doaj +1 more source
A 3D Reduced Common Mode Voltage PWM Algorithm for a Five-Phase Six-Leg Inverter
Machines, 2023 Neutral point voltage control converters (NPVCC) are being considered for AC drive applications, where their additional degree of freedom can be used for different purposes, such as fault tolerance or common mode voltage (CMV) reduction.
Markel Fernandez +5 more
doaj +1 more source
Electrical and Ca2+ signaling in dendritic spines of substantia nigra dopaminergic neurons
eLife, 2016 Little is known about the density and function of dendritic spines on midbrain dopamine neurons, or the relative contribution of spine and shaft synapses to excitability.
Travis A Hage, Yujie Sun, Zayd M Khaliq
doaj +1 more source