A Systematic Design Methodology for Deployable Structures

Gantes, Charis J.; Connor, Jerome J.; Logcher, Robert D.

doi:10.1177/026635119400900202

Cited by 43 publications

(29 citation statements)

References 23 publications

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“…26. According to the equation (4) When simplest module is two times iterated, there are twenty-six loop, 10 shared loops (1,7,6,5,12,13,14,15,17,18), 62 revolute joints on the structure as in Fig. 28.…”

Section: Mobility and Number Of Excessive Plate Calculationmentioning

confidence: 99%

“…Several deployable structures characterized by using scissor-like elements have been developed by Emilio Perez Pinero et al, [1] Valcarcel, [2] Escrig, [3] Ziegler, [4] Hernandez and Zalewski [5] and Gantes. [6] These deployable structures can be folded into a small volume but cannot attached to fixed supports which makes them unstable for long span. Hoberman discovered the angulated element consists of a pair of identical bars and applied to the retractable roofs.…”

Section: Introductionmentioning

confidence: 99%

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Design Method for Radially Retractable Single DOF Plate Structure Based on Regular 1-Uniform Regular Tessellations

Korkmaz¹

2015

Megaron

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Aylin GAZİ, Koray KORKMAZThis paper is concerned with a method of designing single degree of freedom (DOF) radially retractable planar plate structures (RRPS). The shape of the plates are desired to be regular polygons and they are not allowed to overlap in any configuration and no gaps in the closed configuration. The method has been developed by translating geometric knowledge of tessellation in math. Therefore the paper firstly introduces the fundamentals of tessellations and then their classification based on polygon shape. After that it proposes a method of designing RRPS by using 1-uniform regular tessellations. The method identifies the plate types, shape and the way of connecting the plates with only revolute joints. Composed of various plates and joints, the proposed RRPSs based on 1-uniform regular tessellations are single DOF multi-loop planar mechanisms. Mobility analysis is made to prove the single DOF. After various mobility analysis, a theorem is developed to find the number of excessive plates. It is also introduced that there are passive joints besides excessive plates. When more plates and revolute joints are used in architectonic applications, the excessive plates and passive joints can be removed and reassembled if necessary for aesthetic or functional reasons. Finally, a single DOF radially retractable plate structure is proposed for a building façade as a sun shade to reduce the energy consumption. ABSTRACT ÖZ ARTICLE

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Section: Mobility and Number Of Excessive Plate Calculationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Design Method for Radially Retractable Single DOF Plate Structure Based on Regular 1-Uniform Regular Tessellations

Korkmaz¹

2015

Megaron

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“…Until the 1960s, the topological graph theory was introduced to describe the mechanisms and lots of configuration synthesis methods were advanced (Davies, 1966). For the deployable mechanisms, Gantes (1991) investigated the geometric modeling and design methodology of deployable structures featuring stable and stress-free states in both the deployed and the collapsed configurations. Warnaar and Chew (1995a, b) studied the generation of deployable truss modules with the aid of graph theory.…”

Section: Introductionmentioning

confidence: 99%

Configuration synthesis of generalized deployable units via group theory

Jiang

Dong

et al. 2016

Mech. Sci.

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Abstract. The generalized deployable mechanism is composed of generalized links and generalized kinematic pairs. The generalized links include the flexible members, springs, and cables etc. The generalized kinematic pairs include the preloaded kinematic pairs and flexible hinges etc. The generalized deployable mechanism consists of generalized deployable units. Based on group theory, this paper presents a brief and effective configuration synthesis method for generalized deployable units which is composed of generalized links and generalized kinematic pairs expressed by group. The permutation group is used to obtain all the permutation types of generalized kinematic pairs and generalized links. The configuration matrix of generalized deployable unit is established through combining permutation group, and the topological configurations of generalized deployable units are created. The combining rules of groups are developed. The method of isomorphism detection is used to ensure the uniqueness of configurations. The configurations of generalized deployable units including four and six generalized links are generated respectively.

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“…When present solutions of such structures are investigated, it is seen that many concepts have been proposed by varying in size, geometry, retraction methods and structural systems in terms of their morphological and kinematic characteristics. There is a vast literature on deployable planar and spatialstructures (Agarwal et al, 2002;Akgün et al, 2011;Dai and Jones, 1999;Escrig and Valcarcel, 1993;Gantes et al, 1993;Jiten and Ananthasuresh, 2007;Kiper et al, 2008;Kokawa, 2000;Korkmaz, 2005).…”

Section: Introductionmentioning

confidence: 99%

Design of a 2-DOF 8R Linkage for Transformable Hypar Structure

Korkmaz

Akgün

Maden

2012

Mechanics Based Design of Structures and Machines

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Double curved geometries including hyperbolicparaboloids (hypars) have become a trend in contemporary architecture. However, most of the constructed architectural examples of the hypars are static and cannot offer any form variability. In this paper, a 2-DOF 8R linkage mechanism is introduced to buildtransformable hypar structures. It is inspired from the basic design principles of Bennett linkage. By its distinctive connection details and additional links, this novel mechanism can change its form fromplanar geometries to various hypars. The paper begins with the brief summary of the applications of hypar structures in architecture. Secondly, main principles and deficiencies of the Bennett linkage are presented. According to these deficiencies, structural synthesis of the novel mechanism is considered. Finally, advantages and potential uses of the proposed novel mechanism are explained.

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A Systematic Design Methodology for Deployable Structures

Cited by 43 publications

References 23 publications

Design Method for Radially Retractable Single DOF Plate Structure Based on Regular 1-Uniform Regular Tessellations

Design Method for Radially Retractable Single DOF Plate Structure Based on Regular 1-Uniform Regular Tessellations

Configuration synthesis of generalized deployable units via group theory

Design of a 2-DOF 8R Linkage for Transformable Hypar Structure

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