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Statements

Subject Item
n2:RIV%2F68407700%3A21230%2F05%3A03116282%21RIV06-MSM-21230___
rdf:type
n3:Vysledek skos:Concept
dcterms:description
Hlavním požadavkem na elektromagnetickou brzdu v kolejových vozidlech je vytvořit maximální brzdnou sílu při co nejnižším budicím proudu a vysoké účinnosti. Toho lze dosáhnout jen optimalizací magnetického obvodu a uspořádáním budicích cívek. Příspěvek obsahuje úplné řešení problému. Jeho první část je zaměřena na podrobnou specifikaci úlohy s ohledem na základní požadavky a na limitující aspekty zařízení. V dalším kroku je formulován matematický model, jenž je řešen metodou konečných prvků. Hlavní část příspěvku je věnována řešení řady variant s ilustrativními výsledky a jejich diskusi. Vlastnosti navrženého řešení jsou porovnány s charakteristikami doposud vyráběné brzdy, jež byla navržena klasickou metodou založenou na diskrétních magnetických obvodech. Závěrečná část se zabývá možnostmi dalšího zdokonalení tohoto typu brzdy. The principal demand on the electromagnetic emergency brake in rail vehicles is to produce the maximum drag force at the lowest field current and highest efficiency. This may be reached only by high-level optimization of its magnetic circuit and arrangement of the field coils. The paper presents the complete solution of the problem. The first part is aimed at a more detailed specification of the technical problem with respect to the principal requirements and limitations concerning technical aspects of the device. The next step is aimed at forming the mathematical FEM model. The main part of the paper contains a typical example in several variants with results accompanied by discussion. Properties of the suggested solution are compared with the characteristics of the up to now manufactured device that was designed by the classic method based on solution of discrete magnetic circuits. The final part deals with possibilities of further improvement of these types of magnetic brakes. The principal demand on the electromagnetic emergency brake in rail vehicles is to produce the maximum drag force at the lowest field current and highest efficiency. This may be reached only by high-level optimization of its magnetic circuit and arrangement of the field coils. The paper presents the complete solution of the problem. The first part is aimed at a more detailed specification of the technical problem with respect to the principal requirements and limitations concerning technical aspects of the device. The next step is aimed at forming the mathematical FEM model. The main part of the paper contains a typical example in several variants with results accompanied by discussion. Properties of the suggested solution are compared with the characteristics of the up to now manufactured device that was designed by the classic method based on solution of discrete magnetic circuits. The final part deals with possibilities of further improvement of these types of magnetic brakes.
dcterms:title
Innovation of Electromagnetic Brake for Rail Vehicles Innovation of Electromagnetic Brake for Rail Vehicles Inovace elektromagnetické brzdy pro kolejová vozidla
skos:prefLabel
Innovation of Electromagnetic Brake for Rail Vehicles Innovation of Electromagnetic Brake for Rail Vehicles Inovace elektromagnetické brzdy pro kolejová vozidla
skos:notation
RIV/68407700:21230/05:03116282!RIV06-MSM-21230___
n5:strany
650 ; 653
n5:aktivita
n12:P n12:Z
n5:aktivity
P(GA102/04/0095), Z(AV0Z20570509), Z(MSM6840770017)
n5:dodaniDat
n8:2006
n5:domaciTvurceVysledku
n15:1783521
n5:druhVysledku
n18:D
n5:duvernostUdaju
n22:S
n5:entitaPredkladatele
n11:predkladatel
n5:idSjednocenehoVysledku
525044
n5:idVysledku
RIV/68407700:21230/05:03116282
n5:jazykVysledku
n14:eng
n5:klicovaSlova
electromagnetic brake; electromagnetic field; force effects; magnetic circuit; numerical solution
n5:klicoveSlovo
n6:electromagnetic%20brake n6:electromagnetic%20field n6:force%20effects n6:magnetic%20circuit n6:numerical%20solution
n5:kontrolniKodProRIV
[072C77BE1157]
n5:mistoKonaniAkce
Opole - Jarnołtówek
n5:mistoVydani
Opole
n5:nazevZdroje
SME'2005
n5:obor
n21:JE
n5:pocetDomacichTvurcuVysledku
1
n5:pocetTvurcuVysledku
2
n5:projekt
n13:GA102%2F04%2F0095
n5:rokUplatneniVysledku
n8:2005
n5:tvurceVysledku
Doležel, Ivo Ulrych, Bohuš
n5:typAkce
n20:WRD
n5:zahajeniAkce
2005-06-14+02:00
n5:zamer
n16:MSM6840770017 n16:AV0Z20570509
s:numberOfPages
4
n7:hasPublisher
Institute of Electromechanical Systems and industrial Electronics in Opole
n17:isbn
83-88492-74-8
n19:organizacniJednotka
21230