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Modeliranje in analiza dinamike ščetke elektromotorja
Slavič, Janko (Author), Nastran, Miha (Author), Boltežar, Miha (Author)

URLURL - Presentation file, Visit http://www.dlib.si/details/URN:NBN:SI:doc-MUEKGWZB This link opens in a new window

Abstract
V prispevku je na kratko predstavljen Pfeiffer-Glockerjev postopek modeliranja dinamike togih teles z enostranskimi stiki. Mogoča stična stanja: lepenje, drsenje, trk s trenjem, sprostitev stika se preoblikujejo na linearni komplementarni problem, ki omogoča reševanje več sočasnih stičnih stanj. Predstavljeno teoretično ozadje je prilagojeno za telesa nepravilnih oblik. Uporaba predstavljenih zamisli je prikazana na dinamičnem modelu ščetke elektromotorja. Dinamični model je definiran z več kot 40 parametri, podrobni popis geometrijske oblike pa vključuje tudi površinsko hrapavost. V numeričnem preizkusu prispevek prikaže, kako obraba in togost ščetke vplivata na njeno stabilnost.

Language:Slovenian
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Year:2006
Publisher:Association of Mechanical Engineers and Technicians of Slovenia et al.
Number of pages:str. 126-137
Numbering:Letn. 52, št. 2
UDC:531.36/.38:621.313.13
ISSN on article:0039-2480
COBISS.SI-ID:9002779 Link is opened in a new window
Views:613
Downloads:146
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Record is a part of a journal

Title:Strojniški vestnik
Shortened title:Stroj. vestn.
Publisher:Zveza strojnih inženirjev in tehnikov Slovenije [et al.], = Association of Mechanical Engineers and Technicians of Slovenia [et al.]
ISSN:0039-2480
COBISS.SI-ID:762116 This link opens in a new window

Secondary language

Language:English
Title:Modelling and analyzing the dynamics of an electric-motor brush
Abstract:
This paper briefly presents the Pfeiffer-Glocker formulation for the multibodydynamics of rigid bodies with unilateral contacts. The multiple, concurrent contact situations of stick-slip, detachment and impact with friction are solved as a linear complementarity problem. The theory is extended toward the discretely defined bodies of complex body shapes with nonlinearities. As shown in the numerical example of the electric-motor-brush dynamics the presented extensions can be used to simulate the influence of a detailed geometry, including surface roughness. The influences of brush-wear and brush-stiffness on the dynamic stability are presented from more than 40 parameters that define the brush system.

Keywords:multibody dynamics, rigid bodies, numerical simulations, dynamic stability

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