Thermodynamic study of a synthetic analog of the famatinite mineral - Cu3SbS4
Fundamental thermodynamic properties of the synthetic analog of the famatinite mineral - Cu3SbS4 were studied on the basis of electromotive force (EMF) measurements.
P.R. Mammadli +3 more
doaj +1 more source
Activity measurement of Ga in liquid Ga-Pb alloys by EMF method with zirconia solid electrolyte [PDF]
EMF measurement of the electrochemical cell with zirconia as solid electrolyte was performed to determine the gallium activity from 950 to 1150K in the entire composition range of liquid Ga-Pb alloys.
Katayama I. +5 more
doaj +1 more source
Research on sensorless control of HSPMSM based on a discrete full-order sliding mode observer
To address the inaccuracy of the observed rotor position caused by the large estimated back-electromotive force harmonics of the high-speed permanent magnet synchronous motor (HSPMSM) under the conventional sliding mode observer, this paper presents an ...
Shengwen Fan +3 more
doaj +1 more source
Influence of machine topology and cross-coupling magnetic saturation on rotor position estimation accuracy in extended back-EMF based sensorless PM brushless AC drives [PDF]
The influence of the machine topology and dq-axis cross-coupling on the rotor position estimation error in an extended back-EMF based sensorless brushless AC drive is investigated by both finite element analysis and experimentally on four brushless AC ...
Bingham, Chris +4 more
core +1 more source
Sensorless flux-weakening control of permanent-magnet brushless machines using third harmonic back EMF [PDF]
The sensorless control of brushless machines by detecting the third harmonic back electromotive force is a relatively simple and potentially low-cost technique.
Howe, D., Shen, J.X., Zhu, Z.Q.
core +1 more source
Thermodynamic investigation of the Bi2Se3–Bi2Te3 system by the EMF method
Binary and complex chalcogenides with a tetradimite-like layered structure are of great practical interest as topological insulators, thermoelectric, and optoelectronic materials.
Gunel S. Hasanova +3 more
doaj +1 more source
IEI-EMF refers to a self-reported sensitivity characterized by attribution of non-specific physical symptoms to exposure to weak EMFs. The majority of empirical results do not support the existence of a causal relationship between EMF and IEI-EMF ...
Zsuzsanna Dömötör +6 more
doaj +1 more source
Improved rotor position estimation in extended back-EMF based sensorless PM brushless AC drives with magnetic saliency [PDF]
An improved extended back-EMF based sensorless control method is proposed for a brushless AC motor equipped with an interior permanent magnet rotor. It accounts for dq-axis cross-coupling magnetic saturation by introducing an apparent mutual winding ...
Bingham, Chris, Howe, D, Li, Y, Zhu, Z Q
core +1 more source
Technogenic electromagnetic impact zones of electric grid facilities
Introduction of technogenic physical fields including electromagnetic fields (EMF) to the environment can have an adverse impact on both humans and environment.
Bryukhan Fedor, Amirkhanyan Mariya
doaj +1 more source
This paper presents a method that has been developed to reduce the torque ripples under healthy and open-circuit fault-tolerant (OCFT) conditions for a multiphase permanent magnet (PM) machine.
Ali Akay, Paul Lefley
doaj +1 more source

