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dc.contributor.authorNigatu, Hassen
dc.contributor.authorYihun, Yimesker S.
dc.date.accessioned2020-09-14T14:54:51Z
dc.date.available2020-09-14T14:54:51Z
dc.date.issued2020-04-21
dc.identifier.citationNigatu H., Yihun Y. (2020) Algebraic Insight on the Concomitant Motion of 3RPS and 3PRS PKMs. In: Larochelle P., McCarthy J. (eds) Proceedings of the 2020 USCToMM Symposium on Mechanical Systems and Robotics. USCToMM MSR 2020. Mechanisms and Machine Science, vol 83:pp 242-252. Springer, Cham.en_US
dc.identifier.isbn978-3-030-43928-6
dc.identifier.issn2211-0984
dc.identifier.urihttps://doi.org/10.1007/978-3-030-43929-3_22
dc.identifier.urihttps://soar.wichita.edu/handle/10057/19007
dc.descriptionClick on the DOI link to access the article (may not be free).en_US
dc.description.abstractThis study presents an algebraic method to detect, count, and identify concomitant motions of parallel robots at the velocity level. The pose and orientation of moving platform of parallel manipulators (PMs) with f-DOF could be commonly described by f possible motion variables on the instantaneous motion space (IMS) and (6−f) (6−f) restriction motion variables on the instantaneous restriction space (IRS). However, in some situations, PMs moving platform may accompanied by a concomitant (parasitic) motions along the direction of restriction space. Therefore, the commonly understood one-to-one correspondence between joint space and task space mobility of non-redundant PMs would be compromised. This phenomenon occurred due to the fact that the alignment of screws can change the reciprocal screws while the given screw systems are still maintained. To demonstrate the proposed method, an amplitude-based concomitant motion comparison is performed on two widely utilized lower-mobility parallel mechanisms, 3RPS and 3PRS. The result has shown that for the selected mechanisms, concomitant motion is identical regardless of their difference in joint arrangements in each limbs.en_US
dc.language.isoen_USen_US
dc.publisherSpringeren_US
dc.relation.ispartofseriesMechanisms and Machine Science;v.83
dc.subjectPMsen_US
dc.subjectParasitic motionen_US
dc.subjectIRSen_US
dc.subjectIMSen_US
dc.titleAlgebraic insight on the concomitant motion of 3RPS and 3PRS PKMsen_US
dc.typeConference paperen_US
dc.rights.holder© Springer Nature Switzerland AG 2020en_US


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