Linear Parameter-Varying Models for Convertible Structures in Civil and Structural Engineering. Issue 15 (2019)

• Record Type: Journal Article
• Authors: Jirasek, R.; Schauer, T.; Bleicher, A.
• Is Part Of: IFAC-PapersOnLine. Volume 52:Issue 15(2019)
• Page Start: 555
• Page End: 560
• Publication Date: 2019
• Subjects: LPV Systems -- Convertible Structures -- Finite Element Model -- Structural Engineering -- Modal Reduction -- Elastic Kinetic Motion Mechanism; Automatic control -- Periodicals; 629.805
• DOI: 10.1016/j.ifacol.2019.11.734
• Languages: English
• ISSNs: 2405-8963

Abstract

Abstract: This paper investigates the feasibility of the linear parameter-varying (LPV) framework for modelling the dynamic behaviour of ultra-lightweight convertible structures based on the elastic kinetic motion mechanism with a focus on civil and structural engineering applications. Model building is carried out for the example of a Fin Ray structure. In a first step local linear time-invariant (LTI) models are derived from a finite element model of the structure for different transformation states. On the basis of this collection of local LTI models, a grid-based LPV model is established. The derived LPV model is validated in simulation by comparison with data from a finite element model.