On possible applications of smart structures controlled by self-stress

Gilewski, Wojciech; Sabouni-Zawadzka, Anna Al

doi:10.1016/j.acme.2014.08.006

Cited by 23 publications

(16 citation statements)

References 3 publications

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“…Smart structures can be defined as systems with the ability to sense and respond adaptively to changes in their environment [6]. In contrast to standard, "traditional" structures, they adapt in a pre-designed manner to a functional need, by modifying their shape, stiffness or damping characteristics in order to minimize deflections and avoid potential damage.…”

Section: Introductionmentioning

confidence: 99%

Inherent Properties of Smart Tensegrity Structures

Sabouni-Zawadzka¹,

Gilewski²

2018

Applied Sciences

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Abstract:The present paper discusses different aspects of the structural control of smart systems with a focus on tensegrity structures. Special attention is paid to unique features of tensegrity systems, referred to by the authors as inherent, which are induced by infinitesimal mechanisms that are balanced with self-stress states. The following inherent properties are defined: self-control, self-diagnosis, self-repair and self-adjustment (active control). All these features are thoroughly described and illustrated on a series of analyses performed on numerical models of various tensegrity systems. The presented examples of the analyses of different tensegrity modules and multi-module structures show that it is possible to control their properties by adjusting the pre-stressing forces. Moreover, it is proven that the adjustment of self-stress forces in a tensegrity system allows one to repair the damaged structure by compensating the damaged member.

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Section: Introductionmentioning

confidence: 99%

Inherent Properties of Smart Tensegrity Structures

Sabouni-Zawadzka¹,

Gilewski²

2018

Applied Sciences

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“…It explains the idea of smart systems, introduces different terms used in smart technique and defi nes the structural smartness (Gilewski, Al Sabouni-Zawadzka [1]; Cazzulani et al [2]; Strong, Jensen [3]). The author indicates differences between actively controlled structures and structural health monitoring systems and presents an example of an actively controlled smart footbridge.…”

Section: Introductionmentioning

confidence: 99%

Active Control Of Smart Tensegrity Structures

Sabouni-Zawadzka

2014

Archives of Civil Engineering

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The topic of smart structures, their active control and implementation, is relatively new. Therefore, different approaches to the problem can be met. The present paper discusses variable aspects of the active control of structures. It explains the idea of smart systems, introduces different terms used in smart technique and defines the structural smartness. The author indicates differences between actively controlled structures and structural health monitoring systems and shows an example of an actively controlled smart footbridge.The analyses presented in the study concern tensegrity structures, which are prone to the structural control through self-stress state adjustment. The paper introduces examples of structural control performed on tensegrity modules and plates. An influence of several self-stress states on displacements is analyzed and a study concerning damage due to member loss is presented.

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“…These include stabilization through tension, efficiency, deployability and easy tunability, the ability to be reliably modeled, and more precise controllability [13,14]. The properties demonstrated by tensegrity structures have received increased attention, especially from civil engineers in applications such as bridges, domes and towers [19][20][21][22], or in deployable structures and smart structures with monitoring, self-control, self-repair, and active control [9,23,24]. The potential of the tensegrity concept has inspired new metamaterials.…”

Section: Introductionmentioning

confidence: 99%

Truth and Myths about 2D Tensegrity Trusses

2019

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The concept of tensegrity is understood in many ways. This term is often improperly used for structures that have some, but not necessarily the key, tensegrity properties. The concept of tensegrity systems is misused in reference to both mathematical models and completed engineering structures. The aim of the study is to indicate which of the plane (2D) trusses presented in the literature are erroneously classified as tensegrities. Singular value decomposition of the compatibility matrix and spectral analysis of the stiffness matrix with the effect of self-equilibrated forces is used for the analysis. A new precise definition of tensegrity trusses is proposed and implemented.

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On possible applications of smart structures controlled by self-stress

Cited by 23 publications

References 3 publications

Inherent Properties of Smart Tensegrity Structures

Inherent Properties of Smart Tensegrity Structures

Active Control Of Smart Tensegrity Structures

Truth and Myths about 2D Tensegrity Trusses

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