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Wyszukujesz frazę "manipulator szeregowy" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Simpliefied Collision Detection in 4r Serial Manipulators
Autorzy:
Handke, A.
Powiązania:
https://bibliotekanauki.pl/articles/386865.pdf
Data publikacji:
2013
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
manipulator szeregowy
wykrywanie kolizji
planowanie przemieszczania
serial manipulator
collision detection
movement planning
Opis:
This paper concerns the problem of designating criteria for assessing the possibility of a collision between the elements of serial manipulators with three rotary joints allowing to flex the segments in common plane oriented by rotating the fourth connection. The issue of contactless and efficient functioning of described group of manipulators has been considered in the spatial system. Equations were derived determining the possibility of a collision between selected segments of both manipulators. Collision detection model isn't based on the information from the tactile sensors, but only on the relative position between the segments of manipulators. Based on the parameters defining the collision, the search for method of impossible collision was set on designing level, in order to minimize the time needed to examine all possible scenarios of collisions between segments. The results were included in development of methods and algorithms for planning and controlling movements of finger modules in anthropomorphic manipulator during grasping objects of indeterminate shape.
Źródło:
Acta Mechanica et Automatica; 2013, 7, 1; 11-14
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stiffness Matrix Analysis of Six-Revolute Serial Manipulator
Autorzy:
Knapczyk, J.
Ryska, M.
Powiązania:
https://bibliotekanauki.pl/articles/387089.pdf
Data publikacji:
2012
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
manipulator szeregowy
jakobian
kartezjańska macierz sztywności
serial manipulator
Jacobian matrix
cartesian stiffness matrix
Opis:
This paper presents a simple procedure that can be used to determine the stiffness matrix of 6R serial manipulator in selected points of the work space with joint stiffness coefficients taking into account. Elastokinematical model for the robot manipulator FANUC S-420F was considered as spatial and serial kinematical chain composed of six rigid links, connected by ideal revolute joint (without clearances and deformable elements), with torsion elasticity of the joint drive system (relative torsion deformations are proportional to acted torques) taking into account. Assumed model is used for displacement analysis of the end-effector for a given applied force in quasi-static condition. The analysis results are presented as Cartesian stiffness matrix of studied manipulator.
Źródło:
Acta Mechanica et Automatica; 2012, 6, 2; 62-65
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A comparison of Jacobian-based methods of inverse kinematics for serial robot manipulators
Autorzy:
Dulęba, I.
Opałka, M.
Powiązania:
https://bibliotekanauki.pl/articles/330786.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
serial manipulator
inverse kinematics
Jacobian method
comparison
applications
manipulator szeregowy
kinematyka odwrotna
metoda Jacobiego
porównanie
zastosowania
Opis:
The objective of this paper is to present and make a comparative study of several inverse kinematics methods for serial manipulators, based on the Jacobian matrix. Besides the well-known Jacobian transpose and Jacobian pseudo-inverse methods, three others, borrowed from numerical analysis, are presented. Among them, two approximation methods avoid the explicit manipulability matrix inversion, while the third one is a slightly modified version of the Levenberg–Marquardt method (mLM). Their comparison is based on the evaluation of a short distance approaching the goal point and on their computational complexity. As the reference method, the Jacobian pseudo-inverse is utilized. Simulation results reveal that the modified Levenberg–Marquardt method is promising, while the first order approximation method is reliable and requires mild computational costs. Some hints are formulated concerning the application of Jacobian-based methods in practice.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2013, 23, 2; 373-382
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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