Temat: soft degradation - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Resource placement in the 4-dimensional cube-type processor networks with soft degradation
Autorzy:: Kulesza, R.
Chudzikiewicz, J.
Zieliński, Z.
Powiązania:: https://bibliotekanauki.pl/articles/205700.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:: informatics
resource placement
soft degradation
hypercube network
distributed database
Opis:: The paper considers some properties of selected types of perfect resource placements in 4-dimensional cube-type networks with soft degradation. The conditions of existence of perfect placements and the ways of determining resource placement are presented. Examples of diﬀerent types of placements are given. On the basis of the established forms of the network working structures along with network degradation the average number of working processors with speciﬁed order is determined. This value could be a measure of the network’s computing capabilities loss along with the increasing degree of network degradation for a given type of resource placement.
Źródło:: Control and Cybernetics; 2017, 46, 1; 87-103
0324-8569
Pojawia się w:: Control and Cybernetics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Operating point resolved loss computation in electrical machines
Autorzy:: von Pfingsten, G.
Ruf, A.
Steentjes, S.
Hombitzer, M.
Franck, D.
Hameyer, K.
Powiązania:: https://bibliotekanauki.pl/articles/141566.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: efficiency maps
material degradation
magnetic losses
magnetic material
behaviour
soft magnetic materials
electrical machines
Opis:: Magnetic circuits of electromagnetic energy converters, such as electrical machines, are nowadays highly utilized. This proposition is intrinsic for the magnetic as well as the electric circuit and depicts that significant enhancements of electrical machines are difficult to achieve in the absence of a detailed understanding of underlying effects. In order to improve the properties of electrical machines the accurate determination of the locally distributed iron losses based on idealized model assumptions solely is not sufficient. Other loss generating effects have to be considered and the possibility being able to distinguish between the causes of particular loss components is indispensable. Parasitic loss mechanisms additionally contributing to the total losses originating from field harmonics, non-linear material behaviour, rotational magnetizations, and detrimental effects caused by the manufacturing process or temperature, are not explicitly considered in the common iron-loss models, probably even not specifically contained in commonly used calibration factors. This paper presents a methodology being able to distinguish between different loss mechanisms and enables to individually consider particular loss mechanisms in the model of the electric machine. A sensitivity analysis of the model parameters can be performed to obtain information about which decisive loss origin for which working point has to be manipulated by the electromagnetic design or the control of the machine.
Źródło:: Archives of Electrical Engineering; 2016, 65, 1; 73-86
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
Dostawca treści:: Biblioteka Nauki

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