Form-finding of tensegrity structures via genetic algorithm
نویسندگان
چکیده
منابع مشابه
Algebraic tensegrity form-finding
This paper concerns the form-finding problem for general and symmetric tensegrity structures with shape constraints. A number of different geometries are treated and several fundamental properties of tensegrity structures are identified that simplify the form-finding problem. The concept of a tensegrity invariance (similarity) transformation is defined and it is shown that tensegrity equilibriu...
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We give an algorithm for solving the form-finding problem, that is, for finding stable placements of a given tensegrity structure. The method starts with a known stable placement and alters edge lengths in a way that preserves the equilibrium equations. We then characterize the manifold to which classical tensegrity systems belong, which gives insight into the form-finding process. After descri...
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The structural hierarchy inherent to tensegrities enables a building skin that performs on multiple levels simultaneously. While having one function in the global building mechanics, its individual components can work as self-contained systems balancing tensile and compressive forces locally within them. The behavior of elements under load is linear and thus describable analytically. When these...
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Two examples of a particular kind of form-finding problems are studied; given a set of fixed points, we ask for the position of an extra point such that a given framework admits a self-stress and hence a tensegrity structure can be built from it. We present two different approaches to solve these problems: The first method is geometric and hence more visual. A symbolic method is proposed as a s...
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Neuronal circuits known as central pattern generators (CPG) are responsible for the rhythmic motions in animal locomotion. These circuits exploit the resonant modes of the body to produce efficient locomotion through sensory feedback. As such, the neuronal mechanisms are of interest in the control of autonomous robotic vehicles. The objective of this study is to establish a design framework tha...
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ژورنال
عنوان ژورنال: International Journal of Solids and Structures
سال: 2012
ISSN: 0020-7683
DOI: 10.1016/j.ijsolstr.2011.11.015