Engineering Mechanics

International Conference

Proceedings Vol. 18 (2012)


ENGINEERING MECHANICS 2012

18th INTERNATIONAL CONFERENCE
May 14 – 17, 2012, Svratka, Czech Republic
;
Editors: Jiří Náprstek and Cyril Fischer

Copyright © 2012 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague

ISBN 978-80-86246-39-0 (printed, Extended Abstracts)
ISBN 978-80-86246-40-6 (electronic)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Singular cases of planar and spatial parallel manipulator
L. Brezina, L. Houfek
pages 147 - 150, full text

Singularities are places in the workspace of the robot where kinematic equations have no solution. It is of course desired to minimize number of such places in the workspace. The analysis of these places is then important from the construction point of view where singularities might be suppressed by suitable changes in design of construction. The paper deals with description of singular cases types of a parallel manipulator and their analysis via analysis of the determinants of the system Jacobians. This is demonstrated for two examples – planar and spatial parallel manipulator.


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