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dc.contributor.authorAlgar, Antonio
dc.contributor.authorCodina Macià, Esteban
dc.contributor.authorFreire Venegas, Francisco Javier
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Mecànica de Fluids
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Enginyeria Mecànica
dc.identifier.citationAlgar, A., Codina-Macia, Esteban, Freire, F. Bond graph simulation of error propagation in position estimation of a hydraulic cylinder using low cost accelerometers. "Energies", 1 Octubre 2018, vol. 11, núm. 10, p. 1-21.
dc.description.abstractThe indirect calculation from acceleration of transversal displacement of the piston inside the body of a double effect linear hydraulic cylinder during its operating cycle is assessed. Currently an extensive effort exists in the improvement of the mechanical and electronic design of the highly sophisticated MEMS accelerometers. Nevertheless, the predictable presence of measurement errors in the current commercial accelerometers is the main origin of velocity and displacement measurement deviations during integration of the acceleration. A bond graph numerical simulation model of the electromechanical system has been developed in order to forecast the effect of several measurement errors in the use of low cost two axes accelerometers. The level of influence is assessed using quality indicators and visual signal evaluation, for both simulations and experimental results. The obtained displacements results are highly influenced by the diverse dynamic characteristics of each measuring axis. The small measuring errors of a simulated extremely high performance sensor generate only moderate effects in longitudinal displacement but deep deviations in the reconstruction of piston transversal movements. The bias error has been identified as the source of the higher deviations of displacement results; although, its consequences can be easily corrected.
dc.format.extent21 p.
dc.rightsAttribution 3.0 Spain
dc.subjectÀrees temàtiques de la UPC::Enginyeria mecànica
dc.subject.lcshSimulation methods
dc.subject.otherBond graph
dc.subject.otherHydraulic cylinder
dc.titleBond graph simulation of error propagation in position estimation of a hydraulic cylinder using low cost accelerometers
dc.subject.lemacSimulació, Mètodes de
dc.contributor.groupUniversitat Politècnica de Catalunya. LABSON - Laboratori de Sistemes Oleohidràulics i Pneumàtics
dc.contributor.groupUniversitat Politècnica de Catalunya. IAFARG - Industrial and Aeronautical Fluid-dynamic Applications Research Group
dc.description.peerreviewedPeer Reviewed
dc.rights.accessOpen Access
dc.description.versionPostprint (published version)
local.citation.authorAlgar, A.; Codina-Macia, Esteban; Freire, F.

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Attribution 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution 3.0 Spain