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Efficient Contact State Graph Generation For Assembly Applications, Feng Pan, Joseph M. Schimmels
Efficient Contact State Graph Generation For Assembly Applications, Feng Pan, Joseph M. Schimmels
Mechanical Engineering Faculty Research and Publications
An important aspect in the design of many automated assembly strategies is the ability to automatically generate the set of contact states that may occur during an assembly task. In this paper, we present an efficient means of constructing the set of all geometrically feasible contact states that may occur within a bounded set of misalignments (bounds determined by robot inaccuracy). This set is stored as a graph, referred to as an Assembly Contact State Graph (ACSG), which indicates neighbor relationships between feasible states. An ACSG is constructed without user intervention in two stages. In the first stage, all hypothetical …