Results 81 to 90 of about 51,162 (315)

Associations of Sleep and Shift Work With Osteoarthritis Risk

open access: yesArthritis Care &Research, EarlyView.
Objective Daily rhythms may be critical for maintaining homeostasis of joint tissues. We aimed to investigate the relationships among circadian clock disruption, sleep, and osteoarthritis (OA) risk in humans. Methods In the UK Biobank, a prospective 500,000–person cohort, we evaluated associations among sleep duration, sleeplessness/insomnia, and shift
Elizabeth L. Yanik   +5 more
wiley   +1 more source

Specificity of Permanent Magnet Synchronous Traction Motor

open access: yesKongzhi Yu Xinxi Jishu, 2012
Based on expounding the differences of working principle between permanent magnet synchronous traction motor and asynchronous traction motor and the description of stability for permanent magnet material, this paper analyzes the specificity of permanent ...
CHEN Zhichu, LI Yifeng, FU Minli
doaj  

Realization of a sensorless speed controller for permanent magnet synchronous motor drives based on field programmable gate array technology

open access: yesAdvances in Mechanical Engineering, 2017
This article presents a hybrid sensorless speed controller for permanent magnet synchronous motor drives using field programmable gate array technology.
Risfendra   +3 more
doaj   +1 more source

A Q‐Learning Algorithm to Solve the Two‐Player Zero‐Sum Game Problem for Nonlinear Systems

open access: yesInternational Journal of Adaptive Control and Signal Processing, Volume 39, Issue 3, Page 566-581, March 2025.
A Q‐learning algorithm to solve the two‐player zero‐sum game problem for nonlinear systems. ABSTRACT This paper deals with the two‐player zero‐sum game problem, which is a bounded L2$$ {L}_2 $$‐gain robust control problem. Finding an analytical solution to the complex Hamilton‐Jacobi‐Issacs (HJI) equation is a challenging task.
Afreen Islam   +2 more
wiley   +1 more source

Modelling and Simulation of an Electric Motor-Generator Set for Internal Combustion Engine Replacement

open access: yesApplications of Modelling and Simulation, 2021
In this paper, a squirrel cage induction motor was used as the prime mover of a permanent magnet synchronous electric generator to achieve a motor-generator set purposed for internal combustion (IC) engine replacement.
Sulemana Abdul Razak, Erwin Normanyo
doaj  

A Theory of the Synchronous Motor [PDF]

open access: yesProceedings of the Physical Society of London, 1894
n ...
openaire   +2 more sources

PASTA‐ELN: Simplifying Research Data Management for Experimental Materials Science

open access: yesAdvanced Engineering Materials, EarlyView.
Research data management faces ongoing hurdles as many ELNs remain complex and restrictive. PASTA‐ELN offers an open‐source, cross‐platform solution that prioritizes simplicity, offline access, and user control. Its in tuitive folder structure, modular Python add‐ons, and open formats enable seamless documentation, FAIR data practices, and easy ...
S. Brinckmann, G. Winkens, R. Schwaiger
wiley   +1 more source

Improving Synchronous Motor Modelling with Artificial Intelligence [PDF]

open access: yesInterdisciplinary Description of Complex Systems
Synchronous motors are essential in various industrial and commercial applications because of their efficiency and constant speed operation. Accurate modelling of these motors is crucial for optimizing performance, control, and maintenance.
Petar Čisar   +2 more
doaj   +1 more source

Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying

open access: yesAdvanced Engineering Materials, EarlyView.
An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara   +8 more
wiley   +1 more source

Effect of winding harmonics on the asynchronous torque of a single-phase line start permanant-magnet motor [PDF]

open access: yes, 2005
This paper presents an analytical method for calculating the effect of winding harmonics on the asynchronous torque of a single-phase line-start permanent-magnet motor.
McGilp, M.I.   +11 more
core   +1 more source

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