Results 21 to 30 of about 306,083 (278)
Control strategy design of 100 W fast response half bridge LLC resonant converter
Dianzi Jishu Yingyong, 2022 For the dynamic characteristics of communication power supply when there is an inflow of big data traffic, a design of half-bridge LLC resonant converter based on variable universe fuzzy-PID control is proposed, which can realize the fast response ...
Rao Gang +3 more
doaj +1 more source
MATHEMATICAL SIMULATION OF INDUCTION MOTOR SCALAR CONTROL SYSTEM
CAD/EDA, MODELING AND SIMULATION IN MODERN ELECTRONICS: COLLECTION OF SCIENTIFIC PAPERS OF THE V INTERNATIONAL SCIENTIFIC AND PRACTICAL CONFERENCE, 2021 The simulation results of 4 kW induction motor electric drive with scalar control system and different control topologies are presented. The perspective directions of further investigations on improving energy efficiency of electric drives with scalar control systems are highlighted.
Aleksandr Pugachev, Viktor Marus
openaire +2 more sources
Frontiers in Psychology, 2021 A stereotype threat arises when a negative stereotype about group to which an individual belongs is activated. It affects the achievement and interest of students in a particular academic domain, e.g., girls at math or boys at language arts. Hence, it is
Sylwia Bedyńska +2 more
doaj +1 more source
Results in Physics, 2021 Static spaces (with perfect fluids) appeared in a natural way both in physics (cf. Hawking and Ellis, 1975) and mathematics (cf. A. Fischer and J. Marsden, Duke Math. J. 42 (3) (1975), 519–547).
Ibrahim Al-Dayel +2 more
doaj +1 more source
MULTI-CRITERIA EVALUATION OF THE MULTIFACTOR STOCHASTIC SYSTEMS EFFECTIVENESS
Сучасні інформаційні системи, 2023 Subject of the research in the article is the evaluation of complex multifactor stochastic systems functioning effectiveness according to a variety of correlated criteria. The problem actuality is determined by the fact that an independent evaluation of
Lev Raskin +3 more
doaj +1 more source
On the Geometry of Three-dimensional Pseudo-Riemannian Homogeneous Spaces. I [PDF]
Известия Саратовского университета. Новая серия: Математика. Механика. Информатика, 2020 The problem of establishing links between the curvature and the topological structure of a manifold is one of the important problems of geometry. In general, the purpose of the research of manifolds of various types is rather complicated.
Natal’ya Pavlovna Mozhey
doaj +1 more source
On the Geometry of Three-dimensional Pseudo-Riemannian Homogeneous Spaces. II [PDF]
Известия Саратовского университета. Новая серия: Математика. Механика. Информатика, 2020 The problem of establishing links between the curvature and the topological structure of a manifold is one of the important problems of the geometry. In general, the purpose of the research of manifolds of various types is rather complicated.
Mozhey, Natal’ya Pavlovna
doaj +1 more source
Stable discontinuous Galerkin FEM without penalty parameters [PDF]
, 2015 We propose a modified local discontinuous Galerkin (LDG) method for second--order elliptic problems that does not require extrinsic penalization to ensure stability.
John, Lorenz +2 more
core +5 more sources
SCALAR AND VECTOR IN COMPULATION
Открытое образование (Москва), 2016 The article deals with two fundamental data types – scalar and vector (array), without the ability of working with them one cannot solve using computer school or university tasks in mathematics, physics, chemistry and other technical training courses ...
Valery F. Ochkov +1 more
doaj +1 more source
A space for inflections: following up on JMM's special issue on mathematical theories of voice leading [PDF]
, 2013 Journal of Mathematics and Music's recent special issue 7(2) reveals substantial common ground between mathematical theories of harmony advanced by Tymoczko, Hook, Plotkin, and Douthett.
Yust, Jason
core +1 more source