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Partially flagged parallel manipulators: singularity charting and avoidance
dc.contributor.author | Alberich Carramiñana, Maria |
dc.contributor.author | Garolera, M |
dc.contributor.author | Thomas, Federico |
dc.contributor.author | Torras, Carme |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Matemàtica Aplicada I |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Llenguatges i Sistemes Informàtics |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament d'Enginyeria de Sistemes, Automàtica i Informàtica Industrial |
dc.date.accessioned | 2010-11-08T19:26:55Z |
dc.date.available | 2010-11-08T19:26:55Z |
dc.date.created | 2009-08 |
dc.date.issued | 2009-08 |
dc.identifier.citation | Alberich, M. [et al.]. Partially flagged parallel manipulators: singularity charting and avoidance. "IEEE transactions on robotics", Agost 2009, vol. 25, núm. 4, p. 771-784. |
dc.identifier.issn | 1552-3098 |
dc.identifier.uri | http://hdl.handle.net/2117/10186 |
dc.description.abstract | There are only three 6-SPS parallelmanipulatorswith triangular base and platform, i.e., the octahedral, the flagged, and the partially flagged, which are studied in this paper. The forward kinematics of the octahedralmanipulator is algebraically intricate, while those of the other two can be solved by three trilaterations. As an additional nice feature, the flagged manipulator is the only parallel platform for which a cell decomposition of its singularity locus has been derived. Here, we prove that the partially flagged manipulator also admits a well-behaved decomposition, technically called a stratification, some of whose strata are not topological cells, however. Remarkably, the adjacency diagram of the 5-D and 6-D strata (which shows what 5-D strata are contained in the closure of a 6-D one) is the same as for the flaggedmanipulator. The availability of such a decomposition permits devising a redundant 7-SPS manipulator, combining two partially flagged ones, which admits a control strategy that completely avoids singularities. Simulation results support these claims. |
dc.format.extent | 14 p. |
dc.language.iso | eng |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Spain |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
dc.subject | Àrees temàtiques de la UPC::Informàtica::Robòtica |
dc.subject.lcsh | Robots -- Dynamics |
dc.subject.other | Configuration space |
dc.subject.other | kinematics singularities |
dc.subject.other | parallel manipulators |
dc.subject.other | redundant manipulators |
dc.subject.other | robot design. |
dc.title | Partially flagged parallel manipulators: singularity charting and avoidance |
dc.type | Article |
dc.subject.lemac | Robots -- Dinàmica |
dc.contributor.group | Universitat Politècnica de Catalunya. EGSA - Equacions Diferencials, Geometria, Sistemes Dinàmics i de Control, i Aplicacions |
dc.identifier.doi | 10.1109/TRO.2009.2018970 |
dc.description.peerreviewed | Peer Reviewed |
dc.subject.inspec | Classificació INSPEC::Automation::Robots::Robot kinematics |
dc.relation.publisherversion | http://dx.doi.org/10.1109/TRO.2009.2018970 |
dc.rights.access | Open Access |
local.identifier.drac | 791189 |
dc.description.version | Postprint (published version) |
local.citation.author | Alberich, M.; Garolera, M.; Thomas, F.; Torras, C. |
local.citation.publicationName | IEEE transactions on robotics |
local.citation.volume | 25 |
local.citation.number | 4 |
local.citation.startingPage | 771 |
local.citation.endingPage | 784 |
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