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Kinematic calibration of a 5-DoF parallel kinematic machine
Tianjin Univeristy.
Tianjin Univeristy, China.ORCID iD: 0000-0002-6747-8565
Tianjin University.
2016 (English)In: Precision engineering, ISSN 0141-6359, E-ISSN 1873-2372, Vol. 45, p. 242-261Article in journal (Refereed) Published
Abstract [en]

Kinematic calibration of a 5 degree-of-freedom parallel kinematic machine (T5 PKM) resorting to a step-by-step strategy is carried out, which conducts the identification modeling, measurement planning, parameter identification and modification of substructure I and then substructure II. On the basis of geometrical error model, a ridge estimation method based on L-curve selection is applied to the ill-conditioning inverse problem of the identification modeling of both substructures. Sensitivity analysis of substructure I and parameter analysis of substructure II are then employed to select the geometrical error parameters to be identified. Measurement planning is conducted by four principles to minimize the number of measuring configurations. Parameter identification and modification is implemented by SolidWorks simulation, which is able to check the correctness of identification modeling and measuring planning and to virtually manipulate the experimental procedure. Finally, kinematic calibration experiments are performed, which effectively validates that the proposed kinematic calibration is highly accurate and efficient.

Place, publisher, year, edition, pages
Elsevier, 2016. Vol. 45, p. 242-261
Keywords [en]
Parallel kinematic machine; Kinematic calibration; Identification modeling; Measurement planning; Parameter identification and modification; Semi-practical simulation; Kinematic calibration experiment
National Category
Other Engineering and Technologies
Identifiers
URN: urn:nbn:se:kth:diva-249524DOI: 10.1016/j.precisioneng.2016.03.002ISI: 000376212000025Scopus ID: 2-s2.0-84978003638OAI: oai:DiVA.org:kth-249524DiVA, id: diva2:1304596
Note

QC 20190614

Available from: 2019-04-12 Created: 2019-04-12 Last updated: 2019-06-14Bibliographically approved

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CiteExportLink to record
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  • apa
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  • nn-NB
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