A virtual leg in a 6-SPS parallel robot is defined as a leg whose length is determined by the lengths of a subset of the actual legs of the robot. This necessarily implies that this subset of legs defines a rigid subassembly. In this paper, we consider four different rigid subassemblies, and show how the singularities of a robot containing one or several of these subassemblies are modified when substituting its actual legs by virtual legs.
CitationBorràs Sol, Júlia; Thomas, Federico; Torras, Carme. "Analysing the singularities of 6-SPS parallel robots using virtual legs". A: Second International Workshop on Fundamental Issues and Future Research Directions for Parallel Mechanisms and Manipulators (Parallel), Montpeller, França, 2008. LIRMM, 2008, p. 145-150.
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