Results 11 to 20 of about 62,319 (263)

Control Strategy for an Open-End Winding Induction Motor Drive System for Dual-Power Electric Vehicles

open access: yesIEEE Access, 2020
This work presents the control strategies for the configuration involving an open-end winding induction motor (OW-IM) fed by dual two-level inverters, which can realize the controllable power sharing between two isolated power sources without using the ...
Yi-Fan Jia   +6 more
doaj   +1 more source

THE PRACTICE OF USING THE GOLDEN SECTION IN ARCHITECTURE IN THE CITY OF RYAZAN

open access: yesArchitecture and Engineering, 2021
Introduction: At present, the preservation of unique architectural ensembles is one of the most urgent problems of sustainable development in historical settlements.
Svetlana Pravdolyubova   +4 more
doaj   +1 more source

Golden Section in the Persian-Islamic Architecture; Case Study: Hasht Behesht Palace, Isfahan, Iran [PDF]

open access: yesMathematics Interdisciplinary Research, 2019
The subject of proportion used in architecture -and on a larger scale in any art work- is a debate having a special status in analytical studies on the history of art. “Golden Section” is known as one of the major topics of such debates.
Rouhollah Mojtahedzadeh, Zahra Namavar
doaj   +1 more source

Aesthetic preference of object position on pictures [PDF]

open access: yesPsihologija, 2003
In this study three hypothesis were evaluated. The first claims that the golden section position is an ideal position of an object on a picture and that this position does not depend on picture shape, or on the number of objects on it.
Tošković Oliver, Marković Slobodan
doaj   +1 more source

The golden ratio in baseball: the influence of historical eras on winning percentages in major league baseball

open access: yesFrontiers in Sports and Active Living, 2023
IntroductionThe golden section or golden ratio (61.8% or 0.618) is a mathematical phenomenon that appears in art, literature, music and nature with such ubiquity that it is thought to be a fundamental principle of aesthetic organisation. The golden ratio
John Cairney   +7 more
doaj   +1 more source

Study protocol: Impact of quality improvement interventions on perinatal outcomes in health facilities—a systematic review

open access: yesSystematic Reviews, 2019
Background About 5.8 million maternal deaths, neonatal deaths and stillbirths occur every year with 99% of them taking place in low- and middle-income countries. Two thirds of them could be prevented through cost-effective interventions during pregnancy,
Rejina Gurung   +6 more
doaj   +1 more source

ON MACHIN'S FORMULA WITH POWERS OF THE GOLDEN SECTION [PDF]

open access: yesInternational Journal of Number Theory, 2009
In this note, we find all solutions of the equation π/4 = a arctan (ϕκ) + b arctan (ϕℓ), in integers κ and ℓ and rational numbers a and b, where ϕ is the golden section.
Luca, Florian, Stănică, Pantelimon
openaire   +2 more sources

Golden Section Proportionality in the Music of dZihan and Kamien

open access: yesDancecult: Journal of Electronic Dance Music Culture, 2021
Academic studies of the golden section are evidenced across a range of disciplines. In music the discourse has been dominated by analytical studies from the realm of classical music but much less with relation to popular music.
Dave Collins, Michael Dunn
doaj  

'Tomb with cupids' from Viminacium: A contribution to research of construction, iconography and style [PDF]

open access: yesStarinar, 2013
The tomb G-160, known as the 'Tomb with Cupids', was discovered in 2003, during the excavations at the Pirivoj - Viminacium necropolis. The tomb has a trapezial section, characteristic for Viminacium tombs of the late antique period, and its interior was
Anđelković-Grašar Jelena   +2 more
doaj   +1 more source

An Analytical Method for Tensor Visualization in a Plane

open access: yesMachines, 2022
The rendering of tensor glyphs is a progressive process of visualizing the vector space both in fluid dynamics and the latest medical scanning. Nowadays, the rendering accuracy is ensured by numerical methods based on interpolation of tensor functions ...
Tomáš Stejskal   +2 more
doaj   +1 more source

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