Schaeffner, Maximilian ; Platz, Roland (2021)
Linear Parameter-Varying (LPV) Buckling Control of an Imperfect Beam-Column Subject to Time-Varying Axial Loads.
35th IMAC, A Conference and Exposition on Structural Dynamics 2017. Garden Grove, USA (29.01.2017-02.02.2017)
doi: 10.26083/tuprints-00017752
Conference or Workshop Item, Secondary publication, Postprint
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Schaeffner, Platz 2017 - Linear Parameter-Varying LPV Buckling Control_Accepted Manuscript.pdf Copyright Information: In Copyright. Download (1MB) | Preview |
| Item Type: | Conference or Workshop Item |
|---|---|
| Type of entry: | Secondary publication |
| Title: | Linear Parameter-Varying (LPV) Buckling Control of an Imperfect Beam-Column Subject to Time-Varying Axial Loads |
| Language: | English |
| Date: | 4 June 2021 |
| Place of Publication: | Darmstadt |
| Year of primary publication: | 2017 |
| Publisher: | Springer |
| Book Title: | Model Validation and Uncertainty Quantification |
| Series: | Conference Proceedings of the Society for Experimental Mechanics Series |
| Series Volume: | Volume 3 |
| Event Title: | 35th IMAC, A Conference and Exposition on Structural Dynamics 2017 |
| Event Location: | Garden Grove, USA |
| Event Dates: | 29.01.2017-02.02.2017 |
| DOI: | 10.26083/tuprints-00017752 |
| Corresponding Links: | |
| Origin: | Secondary publication |
| Abstract: | In this paper, active buckling control of an imperfect slender beam-column with circular cross-section by piezo-elastic supports and Linear Parameter-Varying (LPV) control is investigated experimentally. The beam-column is loaded by a time-varying axial compressive load resulting in a lateral deflection of the beam-column due to imperfections. A finite element model of the beam-column under axial load is designed as an LPV system. A reduced and augmented modal model is used to design a quadratically stable gain scheduled LPV control. The control is implemented in an experimental test setup and the maximum bearable loads of the beam-column are obtained. Two cases are tested: with and without LPV control or, respectively, active and passive configuration. With the proposed active LPV buckling control it is possible to compensate the influence of beam-column imperfections and to compensate uncertainty in mounting and loading that in passive configuration without LPV control may lead to early buckling. Eventually, the maximum bearable axial compressive load is increased above the theoretical critical buckling load. |
| Status: | Postprint |
| URN: | urn:nbn:de:tuda-tuprints-177520 |
| Additional Information: | Accepted Manuscript |
| Classification DDC: | 600 Technology, medicine, applied sciences > 600 Technology 600 Technology, medicine, applied sciences > 620 Engineering and machine engineering |
| Divisions: | 16 Department of Mechanical Engineering > Research group System Reliability, Adaptive Structures, and Machine Acoustics (SAM) 16 Department of Mechanical Engineering > Research group System Reliability, Adaptive Structures, and Machine Acoustics (SAM) > Development, modelling, evaluation, and use of smart structure components and systems 16 Department of Mechanical Engineering > Research group System Reliability, Adaptive Structures, and Machine Acoustics (SAM) > Characterization, evaluation, and control of the reliability of mechanical systems DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 805: Control of Uncertainty in Load-Carrying Structures in Mechanical Engineering |
| TU-Projects: | DFG|SFB805|C2 Mechanische, mech |
| Date Deposited: | 04 Jun 2021 07:18 |
| Last Modified: | 15 Nov 2023 11:21 |
| URI: | https://tuprints.ulb.tu-darmstadt.de/id/eprint/17752 |
| PPN: | 481510931 |
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