Results 101 to 110 of about 672,828 (298)

Combinational logic for generating gate drive signals for phase control rectifiers [PDF]

open access: yes, 1982
Control signals for phase-delay rectifiers, which require a variable firing angle that ranges from 0 deg to 180 deg, are derived from line-to-line 3-phase signals and both positive and negative firing angle control signals which are generated by ...
Dolland, C. R., Trimble, D. W.
core   +1 more source

Embedded finite-element solver for computation of brushless permanent-magnet motors [PDF]

open access: yes, 2008
This paper describes the theory underlying the formulation of a “minimum set” of finite-element solutions to be used in the design and analysis of saturated brushless permanent-magnet motors.
Cossar, C.   +7 more
core   +1 more source

CCDC80 suppresses high‐grade serous ovarian cancer migration via negative regulation of B7‐H3

open access: yesMolecular Oncology, EarlyView.
PAX8 is a lineage‐specific master regulator of transcription in high‐grade serous ovarian cancer (HGSC) progression. We show for the first time that PAX8 facilitates proliferation and metastasis by repressing the cell autonomous tumor suppressor CCDC80 and inducing B7‐H3 expression.
Aya Saleh   +12 more
wiley   +1 more source

Assessment of torque components in brushless permanent-magnet machines through numerical analysis of the electromagnetic field [PDF]

open access: yes, 2005
For the calculation of torque in brushless (BL) alternating current motors a local method is proposed, based on the Maxwell stress theory and the filtered contributions due to the harmonics of the magnetic vector potential in the motor air gap.
Dellinger, S.J.   +4 more
core   +1 more source

KDM7A and KDM1A inhibition suppresses tumour promoting pathways in prostate cancer

open access: yesMolecular Oncology, EarlyView.
Treatment resistance is a major challenge for patients with advanced prostate cancer. This study examined an alternative approach to target the major prostate cancer‐promoting pathway by targeting epigenetic factors, whose levels are higher in tumours.
Jennie N Jeyapalan   +16 more
wiley   +1 more source

ELECTROMAGNETIC CALCULATION OF THREE-PHASE ASYNCHRONOUS MOTORS WITH A SIX-PHASE WINDING

open access: yesElectrical engineering & Electromechanics, 2013
Features of electromagnetic computation of three-phase asynchronous motors with a six-phase winding in the stator are described. Experimental data on a conveyor motor with two six-phase windings are given.
S.Yu. Polezіn   +2 more
doaj  

Scalar Control for Six Phase Matrix Converter Fed Double Star Induction Motor

open access: yesAdvances in Electrical and Computer Engineering, 2010
Two different control strategies applied to a direct AC-AC six phase matrix converter are investigated in the present paper. The first strategy is derived from the Venturini method and the second approach is practically an extension of the scalar ...
BENDIABDELLAH, A., BACHIR, G.
doaj   +1 more source

Speed Control of a Three Phase Induction Motor Fed from a Single Phase Supply

open access: yesJournal of King Saud University: Engineering Sciences, 1995
This paper describes a novel and cost effective arrangement of controlling the speed of a three phase induction motor fed from a single phase supply. Theoretical analysis is supported by experimental results.
A.I. Alolah
doaj   +1 more source

Quantifying the commutation error of a BLDC machine using sensorless load angle estimation [PDF]

open access: yes, 2016
BLDC motors are often used for high speed applications, for example in pumps, ventilators and refrigerators. For commutation discrete position information is necessary.
De Viaene, Jasper   +4 more
core   +1 more source

A functional electrical stimulation system for human walking inspired by reflexive control principles [PDF]

open access: yes, 2017
This study presents an innovative multichannel functional electrical stimulation gait-assist system which employs a well-established purely reflexive control algorithm, previously tested in a series of bipedal walking robots.
Gollee, Henrik   +3 more
core   +1 more source

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