Application of flexible multibody modelling for control synthesis in mechatronics

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Abstract

The models used in the conceptual phase of the mechatronic design should not be too complicated, yet they should capture the dominant system behaviour. This includes the computation of natural frequencies and mode shapes in a relevant frequency range. For the control system synthesis the low frequent behaviour up to the cross-over frequency needs to be known. Furthermore, the closed-loop system can be unstable due to parasitic modes at somewhat higher frequencies. In this paper we demonstrate the applicability of a multibody modelling approach based on non-linear finite elements for the mechatronic design of a compliant six DOF manipulator. A kinematic analysis is applied to investigate the exact constrained design of the system. From dynamic models the natural frequencies and mode shapes are predicted and a state-space model is derived that describes the system’s input-output relations. The models have been verified with experimental identification and closed-loop motion experiments. The predicted lowest natural frequencies and closed-loop performance agree sufficiently well with the experimental data.
Original languageUndefined
Title of host publicationProceedings of the ECCOMAS Thematic Conference, Multibody Dynamics 2011
EditorsJ.C. Samin, P. Fisette
Place of PublicationBrussels, Belgium
PublisherECCOMAS
Pages1-10
Number of pages10
ISBN (Print)978-2-8052-0116-5
Publication statusPublished - 4 Jul 2011
EventMultibody Dynamics 2011: ECCOMAS Thematic Conference - Université catholique de Louvain, Brussels, Belgium
Duration: 4 Jul 20117 Jul 2011
Conference number: 5

Publication series

Name
PublisherECCOMAS

Conference

ConferenceMultibody Dynamics 2011
CountryBelgium
CityBrussels
Period4/07/117/07/11

Keywords

  • IR-89478
  • METIS-277161

Cite this

Aarts, R. G. K. M., van Dijk, J., Brouwer, D. M., & Jonker, J. B. (2011). Application of flexible multibody modelling for control synthesis in mechatronics. In J. C. Samin, & P. Fisette (Eds.), Proceedings of the ECCOMAS Thematic Conference, Multibody Dynamics 2011 (pp. 1-10). Brussels, Belgium: ECCOMAS.
Aarts, Ronald G.K.M. ; van Dijk, Johannes ; Brouwer, Dannis Michel ; Jonker, Jan B. / Application of flexible multibody modelling for control synthesis in mechatronics. Proceedings of the ECCOMAS Thematic Conference, Multibody Dynamics 2011. editor / J.C. Samin ; P. Fisette. Brussels, Belgium : ECCOMAS, 2011. pp. 1-10
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abstract = "The models used in the conceptual phase of the mechatronic design should not be too complicated, yet they should capture the dominant system behaviour. This includes the computation of natural frequencies and mode shapes in a relevant frequency range. For the control system synthesis the low frequent behaviour up to the cross-over frequency needs to be known. Furthermore, the closed-loop system can be unstable due to parasitic modes at somewhat higher frequencies. In this paper we demonstrate the applicability of a multibody modelling approach based on non-linear finite elements for the mechatronic design of a compliant six DOF manipulator. A kinematic analysis is applied to investigate the exact constrained design of the system. From dynamic models the natural frequencies and mode shapes are predicted and a state-space model is derived that describes the system’s input-output relations. The models have been verified with experimental identification and closed-loop motion experiments. The predicted lowest natural frequencies and closed-loop performance agree sufficiently well with the experimental data.",
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Aarts, RGKM, van Dijk, J, Brouwer, DM & Jonker, JB 2011, Application of flexible multibody modelling for control synthesis in mechatronics. in JC Samin & P Fisette (eds), Proceedings of the ECCOMAS Thematic Conference, Multibody Dynamics 2011. ECCOMAS, Brussels, Belgium, pp. 1-10, Multibody Dynamics 2011, Brussels, Belgium, 4/07/11.

Application of flexible multibody modelling for control synthesis in mechatronics. / Aarts, Ronald G.K.M.; van Dijk, Johannes; Brouwer, Dannis Michel; Jonker, Jan B.

Proceedings of the ECCOMAS Thematic Conference, Multibody Dynamics 2011. ed. / J.C. Samin; P. Fisette. Brussels, Belgium : ECCOMAS, 2011. p. 1-10.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

TY - GEN

T1 - Application of flexible multibody modelling for control synthesis in mechatronics

AU - Aarts, Ronald G.K.M.

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AU - Brouwer, Dannis Michel

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N2 - The models used in the conceptual phase of the mechatronic design should not be too complicated, yet they should capture the dominant system behaviour. This includes the computation of natural frequencies and mode shapes in a relevant frequency range. For the control system synthesis the low frequent behaviour up to the cross-over frequency needs to be known. Furthermore, the closed-loop system can be unstable due to parasitic modes at somewhat higher frequencies. In this paper we demonstrate the applicability of a multibody modelling approach based on non-linear finite elements for the mechatronic design of a compliant six DOF manipulator. A kinematic analysis is applied to investigate the exact constrained design of the system. From dynamic models the natural frequencies and mode shapes are predicted and a state-space model is derived that describes the system’s input-output relations. The models have been verified with experimental identification and closed-loop motion experiments. The predicted lowest natural frequencies and closed-loop performance agree sufficiently well with the experimental data.

AB - The models used in the conceptual phase of the mechatronic design should not be too complicated, yet they should capture the dominant system behaviour. This includes the computation of natural frequencies and mode shapes in a relevant frequency range. For the control system synthesis the low frequent behaviour up to the cross-over frequency needs to be known. Furthermore, the closed-loop system can be unstable due to parasitic modes at somewhat higher frequencies. In this paper we demonstrate the applicability of a multibody modelling approach based on non-linear finite elements for the mechatronic design of a compliant six DOF manipulator. A kinematic analysis is applied to investigate the exact constrained design of the system. From dynamic models the natural frequencies and mode shapes are predicted and a state-space model is derived that describes the system’s input-output relations. The models have been verified with experimental identification and closed-loop motion experiments. The predicted lowest natural frequencies and closed-loop performance agree sufficiently well with the experimental data.

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Aarts RGKM, van Dijk J, Brouwer DM, Jonker JB. Application of flexible multibody modelling for control synthesis in mechatronics. In Samin JC, Fisette P, editors, Proceedings of the ECCOMAS Thematic Conference, Multibody Dynamics 2011. Brussels, Belgium: ECCOMAS. 2011. p. 1-10