Tensegrity laboratory drilling rig for earth and space drilling, mining, and exploration

Khaled, Mohamed; Chen, Muhao; Losoya, Enrique Z.; Gildin, Eduardo; Skelton, Robert E.

doi:10.1016/j.ijsolstr.2022.111785

Cited by 8 publications

(4 citation statements)

References 48 publications

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“…The different algorithms, such as advanced automatic grouping formfinding (Thai et al, 2017) and multiply self-stress (Tran and Lee, 2011a, b), have been used to obtain one feasible set of self-stress from multiple set of self-stresses. The multiple states of self-stress property mostly founded in the domes and beams-types structures such as T-BAR structure based on multicomplexity order (Khaled et al, 2022).…”

Section: Form-finding Methodsmentioning

confidence: 99%

“…Besides that, the typology is static and required in these formfindings. It is found that many structures that are formed based on the complexity order, such as T-BAR structure (Khaled et al, 2022) and dome-and gird-type structures (Tran and Lee, 2010b;Liu et al, 2023) have multiple state of self-stresses that can be converted in one state of self-stress by using the SVD method along with symmetry theory of the structure (Tran and Lee, 2011a, b), although the symmetry theory had a major role for form-finding of tensegrity structure. The symmetry theory is also used to define the stability of kinematically indeterminate pin joint structures (Yao et al, 2014), as well as contributed to studying the multistability of origami structures (Yao et al, 2023).…”

Section: Introductionmentioning

confidence: 99%

“…Besides that, the typology is static and required in these form-findings. It is found that many structures that are formed based on the complexity order, such as T-BAR structure (Khaled et al. , 2022) and dome- and gird-type structures (Tran and Lee, 2010b; Liu et al.…”

Section: Introductionmentioning

confidence: 99%

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A resource-efficient form-finding approach to tensegrity structures

Liu,

Sanaullah,

Vumiliya

et al. 2023

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PurposeThe aim of this article is to obtain a stable tensegrity structure by using the minimum knowledge of the structure.Design/methodology/approachThree methods have been formulated based on the eigen value decomposition (EVD) and singular value decomposition theorems. These two theorems are being implemented on the matrices, which are computed from the minimal data of the structure. The required minimum data for the structure is the dimension of the structure, the connectivity matrix of the structure and the initial force density matrix computed from the type of elements. The stability of the structure is analyzed based on the rank deficiency of the force density matrix and equilibrium matrix.FindingsThe main purpose of this article is to use the defined methods to find (1) the nodal coordinates of the structure, (2) the final force density values of the structure, (3) single self-stress from multiple self-stresses and (4) the stable structure.Originality/valueBy using the defined approaches, one can understand the difference of each method, which includes, (1) the selection of eigenvalues, (2) the selection of nodal coordinates from the first decomposition theorem, (3) the selection of mechanism mode and force density values further and (4) the solution of single feasible self-stress from multiple self-stresses.

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Section: Form-finding Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A resource-efficient form-finding approach to tensegrity structures

Liu,

Sanaullah,

Vumiliya

et al. 2023

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“…A recent study conducted by Khaled et al [59] explored the application of tensegrity structures for Earth and Space drilling operations. The drilling rig consists of two parts: the table and the tensegrity structure.…”

Section: Drilling Machinerymentioning

confidence: 99%

Tensegrity Applications to Architecture, Engineering and Robotics: A Review

Gomez-Jauregui,

Carrillo-Rodriguez,

Manchado

et al. 2023

Applied Sciences

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Tensegrity structures are prestressed and self-stable pin-connected frameworks built up mainly from two kind of elements, in compression (bars) and in tension (tendons). It has been 75 years since the first official appearance of tensegrity, although the present paper includes proof that states that they are in fact more than 100 years old. Throughout these years, tensegrity structures have been capturing engineers’, architects’ and artists’ attention with their peculiar properties. In the last decade, new applications have been found based on tensegrity, although there are not any compilations about them. This paper aims to fill this gap by giving an overview of all the recent real applications that tensegrity has had during its short life, at the same time exposing its potential in all the fields it has contributed to (AEC, robotics, space, etc.) The methodology for performing this review has been revisiting the most relevant publications in several scientific databases. This has led to a new discovery: the first cable-dome by Snelson. As a conclusion, tensegrity has been providing useful solutions to previous problems since they have appeared, but their potential can still grow in an exponential way due to the new technologies and discoveries of the last decade.

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The Effect of Laser Irradiation on the Compressive Strength of Granite Under Uniaxial Compression

Xu,

Huang,

et al. 2023

Rock Mech Rock Eng

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Tensegrity laboratory drilling rig for earth and space drilling, mining, and exploration

Cited by 8 publications

References 48 publications

A resource-efficient form-finding approach to tensegrity structures

A resource-efficient form-finding approach to tensegrity structures

Tensegrity Applications to Architecture, Engineering and Robotics: A Review

The Effect of Laser Irradiation on the Compressive Strength of Granite Under Uniaxial Compression

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