Development of a Machine Vision System for Automated Structural Assembly PDF Download
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Author: P. Daniel Sydow
Publisher:
ISBN:
Category : Building
Languages : en
Pages : 36
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Book Description
Author: P. Daniel Sydow
Publisher:
ISBN:
Category : Building
Languages : en
Pages : 36
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Book Description
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722160647
Category :
Languages : en
Pages : 34
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Book Description
Research is being conducted at the LaRC to develop a telerobotic assembly system designed to construct large space truss structures. This research program was initiated within the past several years, and a ground-based test-bed was developed to evaluate and expand the state of the art. Test-bed operations currently use predetermined ('taught') points for truss structural assembly. Total dependence on the use of taught points for joint receptacle capture and strut installation is neither robust nor reliable enough for space operations. Therefore, a machine vision sensor guidance system is being developed to locate and guide the robot to a passive target mounted on the truss joint receptacle. The vision system hardware includes a miniature video camera, passive targets mounted on the joint receptacles, target illumination hardware, and an image processing system. Discrimination of the target from background clutter is accomplished through standard digital processing techniques. Once the target is identified, a pose estimation algorithm is invoked to determine the location, in three-dimensional space, of the target relative to the robots end-effector. Preliminary test results of the vision system in the Automated Structural Assembly Laboratory with a range of lighting and background conditions indicate that it is fully capable of successfully identifying joint receptacle targets throughout the required operational range. Controlled optical bench test results indicate that the system can also provide the pose estimation accuracy to define the target position. Sydow, P. Daniel and Cooper, Eric G. Langley Research Center RTOP 506-43-41-02...
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 488
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 246
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 568
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Book Description
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1730
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Book Description
Author: Shimon Y. Nof
Publisher: Springer Science & Business Media
ISBN: 1461563933
Category : Business & Economics
Languages : en
Pages : 510
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Book Description
Industrial Assembly is a rapidly changing field with significant importance in production. This book is the first of its kind to combine technology, design, methods, and planning and control models of assembly operations and systems. With the increasing importance of assembly in industry and of simultaneous engineering approaches, this timely publication provides: comprehensive coverage of technological, engineering, and management aspects of this field; multi-disciplinary approaches to rationalization of assembly operations and systems; explanation of qualitative models, information technologies, and design techniques, which have been practised effectively in industrial assembly; as well as theoretical foundations and emerging trends that shape the future of assembly.
Author: Sharon Monica Jones
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 32
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Book Description
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1494
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Book Description
Author: Yangsheng Xu
Publisher: Springer Science & Business Media
ISBN: 1461535883
Category : Technology & Engineering
Languages : en
Pages : 291
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Book Description
Robotic technology offers two potential benefits for future space exploration. One benefit is minimizing the risk that astronauts face. The other benefit is increasing their productivity. Realizing the benefits of robotic technology in space will require solving several problems which are unique and now becoming active research topics. One of the most important research areas is dynamics, control, motion and planning for space robots by considering the dynamic interaction between the robot and the base (space station, space shuttle, or satellite). Any inefficiency in the planning and control can considerably risk by success of the space mission. Space Robotics: Dynamics and Control presents a collection of papers concerning fundamental problems in dynamics and control of space robots, focussing on issues relevant to dynamic base/robot interaction. The authors are all pioneers in theoretical analysis and experimental systems development of space robot technology. The chapters are organized within three problem areas: dynamics problems, nonholonomic nature problems, and control problems. This collection provides a solid reference for researchers in robotics, mechanics, control, and astronautical science.
