Visibility Analysis and Synthesis for Assembly Fixture Certification Using Theodolite Systems

[+] Author and Article Information
Hung-Kuei Chen, S. Jack Hu

Department of Mechanical Engineering and Applied Mechanics, The University of Michigan, Ann Arbor, MI 48109

T. C. Woo

Department of Industrial Engineering, The University of Washington, Seattle, WA 98195

J. Manuf. Sci. Eng 123(1), 83-89 (Aug 01, 1999) (7 pages) doi:10.1115/1.1286055 History: Received September 01, 1996; Revised August 01, 1999
Copyright © 2001 by ASME
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Grahic Jump Location
Example of intersection zones of three blocks’ surfaces
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Model of a two-head theodolite system
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Triangulation geometry  
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Error with respect to α1+δ and α2
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Simulation of distance effects and apex angle effects
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Error with respect to α1+δ and α2
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A simple example of visibility analysis algorithm
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Optimal locations for two theodolites
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Measurability of surfaces with theodolites
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Plane, surface normal and visibility map
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Interference of visibility
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Example of a subassembly tool
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A two-head theodolite system




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