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Anglický jazyk
Semi-Analytical Approach for Stiffness Estimation of 3-DOF PKM
Autor: Hailemariam Nigus Hailu
This book mainly addresses the issue of stiffness formulation of a three prismatic-revolute-spherical PKM (3-PRS PKM). Main works in this paper can be outlined as follows. By use of approaches of vector, inverse position analysis of 3PRS PKM is conducted... Viac o knihe
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O knihe
This book mainly addresses the issue of stiffness formulation of a three prismatic-revolute-spherical PKM (3-PRS PKM). Main works in this paper can be outlined as follows. By use of approaches of vector, inverse position analysis of 3PRS PKM is conducted For the complex geometry shape of some components, it is impossible to know their stiffness distributions with the varing configuration. Therefore, ANSYS technology has to be applied to compute the stiffness coefficients of these components at different configurations. Then, the computed data are used to obtain the stiffness distribution by use of the numerical fitting method. Up to now, the semi-analytical stiffness model of the manipulator is completely build up and can be applied to estimate the system stiffness of 3PRS PKM. Provided with the geometry parameters and load situation on tool tip, the stiffness of 3PRS PKM system is estimated based on the stiffness matrix about tool tip which is obtained by transforming the point from the center of circle composed of three S joints to the tool tip.Then, the stiffness of system along x, y and z directions can be solved.
- Vydavateľstvo: LAP LAMBERT Academic Publishing
- Rok vydania: 2015
- Formát: Paperback
- Rozmer: 220 x 150 mm
- Jazyk: Anglický jazyk
- ISBN: 9783659784620
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