Parallel Disassembly by Onion Peeling

Author:

Chen Shiang-Fong1,Oliver J. H.1,Chou Shuo-Yan2,Chen Lin-Lin3

Affiliation:

1. Department of Mechanical Engineering, Iowa Center for Emerging Manufacturing Technology, Iowa State University, Ames, IA

2. Department of Industrial Management, Graduate School of Engineering Technology, National Taiwan Institute of Technology, Taipei, Taiwan

3. Graduate School of Engineering Technology, National Taiwan Institute of Technology, Taipei, Taiwan

Abstract

For some assembly structures, parallel disassembly of components is necessary in order to reach a particular internal component. Due to the large number of possible combinations, the parallel disassembly problem is not easily solved in a general form. In order to reduce the time complexity of finding a disassembly sequence, this paper introduces a simplified mating graph and develops a data structure to facilitate an efficient parallel disassembly algorithm. This algorithm takes Max {O(N3), O(E)} time to find an efficient sequence to reach a particular component, where N is the number of components and E is the number of mating faces. Separability testing is incorporated to determine whether the query component can be disassembled and moved to infinity without obstruction.

Publisher

ASME International

Subject

Computer Graphics and Computer-Aided Design,Computer Science Applications,Mechanical Engineering,Mechanics of Materials

Reference10 articles.

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2. De Floriani, L., and Nagy, G., 1989, “A Graph Model for Face-to-Face Assembly,” Proc. of IEEE Conference on Robotics and Automation, Vol. 1, pp. 75–78.

3. Dehne P. , and SackJ. R., 1987, “Translation Separability of Sets of Polygons,” The Visual Computer, Vol. 3, pp. 227–235.

4. Dutta, D., and Woo, Anthony C., 1992, “Algorithms for Multiple Disassembly and Parallel Assemblies,” ASME Concurrent Engineering, PED-Vol. 59, pp. 257–266.

5. Homen de Mello L. S. , and SandersonA. C., 1990, “And/Or Graph Representation of Assembly Plans,” IEEE Transactions on Robotics and Automation, Vol. 6, No. 2, pp. 188–199.

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