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Research and Implementation on Conflict Detection Technology in Aircraft Cooperative Design

Author: OuYangMin
Tutor: LiuYi
School: Nanjing University of Aeronautics and Astronautics
Course: Aircraft design
Keywords: Constraint Knowledge Collision Detection Collaborative design Aircraft CSCW CSP
CLC: V221
Type: Master's thesis
Year: 2006
Downloads: 125
Quote: 1
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Abstract


Computer Supported Cooperative Design (Computer Supported Cooperative Design, CSCD) is an important area of computer - supported cooperative work (Computer Supported Cooperative Work, CSCW) . Collaborative design emphasis on group work, effective communication and coordination , supports multiple groups to the computer as a tool , while participating in a task in a synergistic manner . Collaborative design , usually in accordance with the level of product structure will be a complex task broken down into several sub-tasks by different design teams work together to complete the entire task . Aircraft design normally takes more collaborative design team to participate in the design process . Aircraft collaborative design process , due to the different areas of knowledge between different collaborative design team , as well as within the same collaborative design team designers , consider the perspective of the problem , the design of the evaluation criteria , will inevitably lead to conflict . Due to the presence of conflict in the design process , it will affect the efficiency of the design , conflict detection in collaborative design system occupy an important position. The conflict is a difficult problem in collaborative design , a wide variety of conflict in aircraft design , the detection process is complex , there is not a very efficient collision detection method . This paper first introduces the basic concepts of computer supported cooperative work and computer collaborative design and relationship . Analysis of the characteristics of the aircraft co - design the causes of conflict and conflict , and a hierarchical constraint network at home and abroad , in the process of the constraint knowledge representation method of conflict . Then , the characteristics of constraint , the design constraints of a tree data structure to solve the the constraint network data storage and that the problem is . This tree constraint - based data structure , the paper proposes an improved range propagation algorithm to solve the conflict detection aircraft collaborative multi- constrained network design in a continuous range of values ??. Finally, this paper also describes the implementation and operation of aircraft collaborative design system conflict detection subsystem .

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CLC: > Aviation, aerospace > Aviation > Aircraft Construction and Design > Overall design
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