نتایج جستجو برای: cable suspended robot

تعداد نتایج: 139937  

2012
Julien Alexandre dit Sandretto David Daney Marc Gouttefarde Cedric Baradat

An identi cation of the model parameters for a parallel cable-driven robot is performed by using both a calibration and a self-calibration approach. The manipulator studied is based on a parallel architecture having 8 cables to control the 6 degrees of freedom of its mobile platform so that the mobile platform is fully constrained by the cables. Under some hypotheses on cable properties, the in...

2008
Tae-Wan Kim Kyu-Yeul Lee Jongwon Kim Min-Jae Oh Jie Hyeung Lee

The teach pendant is a hand-held robot control terminal that provides a convenient means to move the robot, teach locations, and run robot programs. Nowadays, almost teaching pendant is connected with a robot controller using cable. The cable connection and the size of teaching pendant are not problems because a robot controller is separated with robot. However, a large size and wired teaching ...

Journal: :Mechatronics 2021

A suspended Cable-Driven Parallel Robot (CDPR) composed of eight cables and a moving platform (MP) is used in pick-and-place application metal plates with different shapes, sizes masses. In order to ensure robust control despite mass variation, several combinations schemes laws have been experimented on prototype at IRT Jules Verne, France. The main objective this paper provide recommendations ...

2010
Q. J. Duan J. L. Du B. Y. Duan A. F. Tang Angelo Luongo

A steady-state dynamic model of a cable in air is put forward by using some tensor relations. For the dynamic motion of a long-span Cable-Driven Parallel Robot CDPR system, a driven cable deployment and retrieval mathematical model of CDPR is developed by employing lumped mass method. The effects of cable mass are taken into account. The boundary condition of cable and initial values of equatio...

2013
Julien Alexandre dit Sandretto Gilles Trombettoni David Daney Gilles Chabert

In this paper, an interval based approach is proposed to rigorously identify the model parameters of a parallel cable-driven robot. The studied manipulator follows a parallel architecture having 8 cables to control the 6 DOFs of its mobile platform. This robot is complex to model, mainly due to the cable behavior. To simplify it, some hypotheses on cable properties (no mass and no elasticity) a...

Journal: :international journal of advanced design and manufacturing technology 0
moharam habibnejad department of mechanical engineering, irann university of science and technology khaled najafi mehdi bamdad

in this paper, according to high load capacity and rather large workspace characteristics of cable driven robots (cdrs), maximum dynamic load carrying capacity (dlcc) between two given end points in the workspace along with optimal trajectory is obtained. in order to find dlcc of cdrs, joint actuator torque and workspace of the robot constraints concerning to non-negative tension in cables are ...

2015
Peng Liu Yuanying Qiu

This paper addresses the cable tension distributions of a cable-driven parallel robot with non-negligible cable mass for large dimension mechanisms. A well-known model which describes the profile of a cable under the action of its own weight allows us to take the cable sags into account. In addition, an approach to computing the cable tensions is presented, in which there are two major steps to...

2009
Kun Yu Leng-Feng Lee Venkat N. Krovi

∗ Corresponding author, Phone: (716) 645-1430, Fax: (716) 645-3668, Email: [email protected]. ABSTRACT Cable-actuated parallel manipulators combine benefits of large workspaces, significant payload capacities and high stiffness by virtue of the cable actuation. However, redundant/surplus cables are required to overcome the unidirectional nature of forces exertable by cables. This leads to ...

2011
Joanna B. Goldberg Shyamala Ganesan Adam T. Comstock Ying Zhao Uma S. Sajjan

BACKGROUND Infection by Burkholderia cenocepacia in cystic fibrosis (CF) patients is associated with poor clinical prognosis. Previously, we demonstrated that one of the highly transmissible strains, BC7, expresses cable pili and the associated 22 kDa adhesin, both of which contribute to BC7 binding to airway epithelial cells. However, the contribution of these factors to induce inflammation an...

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