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Analytic formulation of the kinestatic of robot manipulators with arbitrary topology

AuthorsStaffetti, Ernesto; Thomas, Federico CSIC ORCID
KeywordsAutomation: Robots
Issue Date2002
PublisherInstitute of Electrical and Electronics Engineers
CitationIEEE International Conference on Robotics and Automation: 2848-2855 (2002)
AbstractAn analytic formulation of the statics and the instantaneous kinematics of robot manipulators based on Grassmann-Cayley algebra is presented. The notions of twist, wrench, twist space and wrench space are mathematically represented by the concept of extensors of this algebra and the reciprocity relation between twist and wrench spaces of partially constrained rigid bodies is reflected by its inherent duality. Kinestatic analysis of manipulators implies the computation of sums and intersections of the twist and wrench spaces of the composing chains which are carried out by means of the join and meet operators of this algebra when the linear subspaces involved in the kinestatic analysis of manipulators are represented by extensors. The importance of Grassmann-Cayley algebra in kinestatics is that it has an explicit formula for the meet operator that gives analytical expressions of the twist and wrench space of robot manipulators with arbitrary topology.
DescriptionIEEE International Conference on Robotics and Automation (ICRA), 2002, Washington (EE.UU.)
Appears in Collections:(IRII) Comunicaciones congresos

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