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Wyszukujesz frazę "Ryu, D." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
A framework for unknown environment manipulator motion planning via model based realtime rehearsal
Autorzy:
Um, D.
Ryu, D.
Powiązania:
https://bibliotekanauki.pl/articles/384972.pdf
Data publikacji:
2011
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
sensor based planning
randomized sampling
unknown environment motion planning
collision avoidance
cognitive planning
Opis:
In this paper, we propose a novel framework for unknown environment planning of manipulator type robots. Unknown environment motion planning, by its nature, requires a sensor based approach. The problem domain of unknown environment planning, when compared to model based approaches, is notoriously harder (NPHARD) in terms of demanding technical depth especially for difficult cases. The framework we propose herein is a sensor based planner composed of a sequence of multiple MBPs (Model Based Planners) in the notion of cognitive planning using realtime rehearsal. That is, one can use a certain model based planner as a tactical tool to attack location specific problems in overall planning endeavor for an unknown environment. The enabling technology for the realtime rehearsal is a sensitive skin type sensor introduced in the paper.We demonstrate the feasibility of solving a difficult unknown environment problem using the introduced sensor based planning framework.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2011, 5, 1; 30-35
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A novel flexible micro assembly system: implementation and performance analysis
Autorzy:
Um, D.
Ryu, D.
Dong, B.
Foor, D.
Hawkins, K.
Powiązania:
https://bibliotekanauki.pl/articles/384367.pdf
Data publikacji:
2010
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
flexible manufacturing
microassembly
micro 3D vision
Opis:
Demands for micro/nano products and assembly systems have been raised significantly to meet the ever complex technical needs for modern society. In this paper, we share the experiences and results of the study on the flexible micro assembly workcell focused primarily on a novel system implementation and system performance analysis. For flexible and autonomous assembly operations, we investigated a novel model based 3D depth measurement technology for faster and cost effective means to promote autonomous micro assembly systems in various industries. Micro parts, by its nature, are known of their shapes in advance for the majority of micro applications. We take advantage of the previously known shape of micro parts and hence apply a model based approach for a faster and cost effective localization and 3D depth measure of randomly loaded micro-parts on the workcell. The proposed 3D depth measuring method is based on the pattern recognition and multi-focus technique enabling it to extract only information useful for micro parts assembly for faster recognition. For demonstration purpose, silicon based oxide gears are fabricated by bulk micromachining and are used to study performance indices and to prove the usefulness of the proposed micro 3D depth measurement technology.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2010, 4, 3; 10-15
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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