Linear Parameter-Varying Models for Convertible Structures in Civil and Structural Engineering

被引：4
|
作者：
Jirasek, R. [1 ]
Schauer, T. [2 ]
Bleicher, A. [1 ]
机构：
[1] Brandenburg Tech Univ Cottbus, Chair Hybrid Struct Struct Concrete, D-03046 Cottbus, Germany
[2] Tech Univ Berlin, Control Syst Grp, D-10587 Berlin, Germany
来源：
IFAC PAPERSONLINE | 2019年 / 52卷 / 15期
关键词：
LPV Systems; Convertible Structures; Finite Element Model; Structural Engineering; Modal Reduction; Elastic Kinetic Motion Mechanism;
D O I：
10.1016/j.ifacol.2019.11.734
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
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. (C) 2019, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved.
引用
收藏
页码：555 / 560
页数：6
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