نتایج جستجو برای: arm robot

تعداد نتایج: 170345  

2012
Satoru Goto

Many industrial robot arms are operated in industry, and some robotic applications in the industry, such as a pulling-out of products made by die casting, require the flexible motion excited by an external force. Here, the flexible motion means that the robot arm moves passively according to the external force. Industrial robot arms, however, are difficult to be moved by the external force beca...

2016
Gan Ma Kenji Hashimoto Qiang Huang Atsuo Takanishi

A biped humanoid robot is prone to fall when walking or operating in a complex environment, and forward fall is one of the most common falling cases. This study focuses on the forward fall issue and presents an “Arm Flexible Landing Strategy” for safe falling. First, the forward falling motion is analyzed from an energy variation perspective of the robot system, and a method to choose best-fit ...

2002
Tao Zhang Masatoshi Nakamura

Uncertainties are the main reasons of deterioration of contour control of industrial articulated robot arm. In this paper, a high-precision contour control method was proposed to overcome some main uncertainties, such as torque saturation, system delay dynamics, interference between robot links, friction, and so on. Firstly, each considered factor of uncertainties was introduced briefly. Then p...

2002
Denny Oetomo Marcelo Ang Rodrigo Jamisola Oussama Khatib

A mobile manipulation system often involves combining more than one robot together, typically a manipulator arm and a mobile base. To implement a force and motion control with dynamic compensation, a torque-controlled system is necessary. However, a torque-controlled robot is not always available. In fact, most commercially available mobile bases are velocity-controlled. This paper presents a m...

Journal: :The Cochrane database of systematic reviews 2008
Jan Mehrholz Thomas Platz Joachim Kugler Marcus Pohl

BACKGROUND Electromechanical and robot-assisted arm training devices are used in rehabilitation and might help to improve arm function after stroke. OBJECTIVES To assess the effectiveness of electromechanical and robot-assisted arm training for improving activities of daily living and arm function and motor strength of patients after stroke, and the acceptability and safety of the therapy. ...

2003
David Urting Yolande Berbers

This paper describes the development of a chess-playing robot called MarineBlue. This robot consists of three components: a computer vision component to recognize chess board situations, a chess engine component to compute new moves and a robot control component to execute these moves by means of a robot arm. In the paper, we focus on the algorithms that have been used to implement the computer...

1996
Matthew M. Williamson

This paper describes the implementation of reex action for the arm of the humanoid robot Cog [5]. A set of biologically inspired postural primitives are used to create the arm motion. The primitives are combined in di erent ways to achieve reaching with grasping and withdrawal reexes, allowing the arm to interact safely with both objects and people. This paper describes the re exes, the biologi...

2006
Sergi Hernandez Juan Josep M. Mirats Tur

Robotic manipulators are becoming a very common tool in modern industries and research laboratories. In order to successfully execute a given task a control software is necessary that sends and tracks appropriate orders to the robot arm. This paper presents the design principles of a general software framework capable to control any robot arm with any set of sensors. A possible implementation o...

2011
Vladimir Lumelsky Edward Cheung

In traditional teleoperation systems, the operator is saddled with two distinct tasks: 1) move the robot arm to its desired position, and 2) avoid obstacles that can obstruct the robot arm manipulator. To accomplish these tasks, an area of current teleoperation research is involved with providing the operator with as much input information about the task site as possible using, for example, ste...

Journal: :IEEE Trans. Systems, Man, and Cybernetics 1993
Vladimir J. Lumelsky Edward Cheung

In traditional teleoperation systems, the human operator is saddled with two distinct tasks: 1) moving the robot arm to its desired position, and 2) avoiding obstacles that can obstruct the robot arm manipulator. To accomplish these tasks, an area of current teleoperation research concentrates on providing the operator with as much input information about the task site as possible using, for ex...

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