نتایج جستجو برای: spatial manipulators

تعداد نتایج: 367415  

2016

Title Type neural network control of robot manipulators and non-linear systems series in systems and control PDF flexible robot manipulators modelling simulation and control control engineering series PDF modelling and control of robot manipulators advanced textbooks in control and signal processing PDF control of robot manipulators in joint space advanced textbooks in control and signal proces...

Journal: :IEEE Trans. Robotics 2009
Daniel Kanaan Philippe Wenger Stéphane Caro Damien Chablat

1  Abstract—This paper introduces a methodology to analyze geometrically the singularities of manipulators, of which legs apply both actuation forces and constraint moments to their moving platform. Lower-mobility parallel manipulators and parallel manipulators, of which some legs do not have any spherical joint, are such manipulators. The geometric conditions associated with the dependency of...

Journal: :I. J. Robotics Res. 2004
Raffaele Di Gregorio

The DELTA robot and the manipulators derived from the DELTA robot are a relevant class of translational manipulators. In this paper, the mobility analysis of these parallel translational manipulators is developed in full. The manufacturing and mounting conditions that guarantee the pure translation of the platform are analytically derived. Moreover, it is demonstrated that these manipulators ca...

Journal: :Robotics 2017
Dan Zhang Bin Wei

Learning control for robotic manipulators has been developed over the past decade and to the best of the authors’ knowledge, it is still in its infant development stage; the authors believe that it will become one of the most promising directions in the control area in robotic manipulators. Learning control in robotic manipulators is mainly used to address the issue that the friction at the joi...

2003
Shamik Sen Bhaskar Dasgupta Asok Kumar Mallik

This paper addresses the problem of singularity-free path-planning for parallel manipulators. Unlike in serial manipulators, where there are only boundary singularities, parallel manipulators also possess singular configurations within the workspace where the manipulators are uncontrollable. Therefore, it is imperative that the generated paths are singularity-free. In this paper, we use a varia...

Many space applications require robotic manipulators which have large workspace and are capable of precise motion. Micro-macro manipulators are considered as the best solution to this demand. Such systems consist of a long flexible arm and a short rigid arm. Kinematic redundancy and presence of unactuated flexible degrees of freedom, makes it difficult to control micro-macro manipulators. This ...

2008
J. W. Han

Based on extensive study on literatures of control of parallel manipulators and serial manipulators, control strategies such as computed torque control, PD+ control, PD with feedforward compensation, nonlinear adaptive control are classified into two categories: model-based control and performance-based control. Besides, as advanced control strategies, robust control and passivity-based control...

2016
Palash Dey Neeldhara Misra Y. Narahari

The Coalitional Manipulation problem has been studied extensively in the literature for many voting rules. However, most studies have focused on the complete information setting, wherein the manipulators know the votes of the non-manipulators. While this assumption is reasonable for purposes of showing intractability, it is unrealistic for algorithmic considerations. In most real-world scenario...

Journal: :CoRR 2015
Palash Dey Neeldhara Misra Y. Narahari

The Coalitional Manipulation (CM) problem has been studied extensively in the literature for many voting rules. The CM problem, however, has been studied only in the complete information setting, that is, when the manipulators know the votes of the non-manipulators. A more realistic scenario is an incomplete information setting where the manipulators do not know the exact votes of the nonmanipu...

Journal: :international journal of robotics 0
mohammad hasan ghasemi babol university of technology mohammad jafar sadigh isfahan university of technology

the large amount of computation necessary for obtaining time optimal solution for moving a manipulator on specified path has made it impossible to introduce an on line time optimal control algorithm. most of this computational burden is due to calculation of switching points. in this paper a learning algorithm is proposed for finding the switching points. the method, which can be used for both ...

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