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Trap design for vibratory bowl feeders

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6 Author(s)
R. -P. Berretty ; Dept. of Comput. Sci., Utrecht Univ., Netherlands ; K. Goldberg ; L. Cheung ; M. H. Overmars
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The vibratory bowl feeder is the oldest and still most common approach to the automated feeding (orienting) of industrial parts. We consider a class of vibratory bowl filters that can be described by removing polygonal sections from the track; we refer to this class of filters as traps. For an n-sided convex polygonal part and m-sided convex polygonal trap, we give an O((n+m)log(n+m)) algorithm to decide if the part will be rejected by the trap, and an O((nm(n+m))1+ε) algorithm which deals with non-convex parts and traps. We then consider the problem of designing traps for a given part, and consider two rectilinear subclasses, balconies and gaps. We give linear and O(n2) algorithms for designing feeders and have tested the results with physical experiments using a commercial inline vibratory feeder

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Robotics and Automation, 1999. Proceedings. 1999 IEEE International Conference on  (Volume:4 )

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