Results 11 to 20 of about 173 (164)
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
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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
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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
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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
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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
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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
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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
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Sensorless MRAS control of emerging doubly‐fed reluctance wind generators
IET Renewable Power Generation, 2021 A new model reference adaptive system based estimation technique for vector control of real and reactive power of a brushless doubly fed reluctance generator without a shaft position sensor is proposed.
Mohammad‐Reza Agha‐Kashkooli +1 more
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Brainless Walking: Animal Gaits Emerge From an Actuator Characteristic
Frontiers in Robotics and AI, 2021 In this study, we discovered a phenomenon in which a quadruped robot without any sensors or microprocessor can autonomously generate the various gait patterns of animals using actuator characteristics and select the gaits according to the speed.
Yoichi Masuda +3 more
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Research on the Accumulative Damage of Flywheels Due to In-Space Charging Effects
AerospaceHigh-speed rotating flywheel bearings, designed for space applications, generate a high-resistance hydrodynamic lubrication film, which isolates the rotor, transforming it into a conductor. This phenomenon introduces a novel failure mode—flywheel bearing
Dong Tian +6 more
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