Mobility analysis of a complex structured ball based on mechanism decomposition and equivalent screw system analysis

Dai, Jian S.; Li, Duanling; Zhang, Qixian; Jin, Guoguang

doi:10.1016/j.mechmachtheory.2003.12.004

Cited by 103 publications

(37 citation statements)

References 15 publications

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“…Dai and Jones designed new developable mechanisms according to the origami and handicraft in 1999 [16]. Then Dai et al investigated a scalable mechanism and analyzed its mobility by decomposing the mechanism into some elementary parallel mechanisms with single DOF based on the screw theory [17]. You [18] investigated the motion characteristics of the Hoberman sphere and pointed out its potential application in 2007.…”

Section: Introductionmentioning

confidence: 99%

Design and Analysis of a Novel Coupled Mechanism Based on a Spliced Polyhedron with Two Regular Tetrahedrons

Gao¹,

Liu²

2017

IJSIP

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Section: Introductionmentioning

confidence: 99%

Design and Analysis of a Novel Coupled Mechanism Based on a Spliced Polyhedron with Two Regular Tetrahedrons

Gao¹,

Liu²

2017

IJSIP

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“…SLE is basic unit in a sort of deployable structure belongs to kinetic structures (Akgün, et al, 2010, Babaei, M. and Sanaei, 2009, Chen, et al, 2002, Dai, 2004, Kolar, et al, 2010, Wei, et al, 2011. Among these researches, SLE constituted many complicated structures, such as: semi ellipse foldable structure (Babaei, M. and Sanaei, 2009), box SLE mast (Nagaraj, et al, 2009), flat and cylindrical deployable structure (Zhao, et al, 2009), and deployable ring type truss structure, etc (Chen, et al, 2002, Dai, 2004, Sun, 2009, Zhao, 2007. Most of papers about SLE considered mobility and kinematics of entire structure, or structural statics of system under folded state and unfolded state.…”

Section: Introductionmentioning

confidence: 99%

A characteristic triangle method on input vectors of scissor lift mechanism and its applications in modeling and analysis

Zhang

Yan

et al. 2015

JAMDSM

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Scissor mechanism, a basic element of structure and mechanism, can be used to make lots of deployable structures and functional motion devices. In such structures or devices, input configuration and parameter settings of actuator in scissor mechanism are variable and very important to structural forces and kinematics, however, has not been investigated systematically. Former researches on input vectors only consider a mechanism with decided input configuration and parameter settings. To supply a universal model for design purpose, a CHAracteristic Triangle (CHAT) is herein reported to calculate input vectors. The CHAT can be picked up from each of six input configurations of single group scissor lift mechanism. Based on former works and authors' simulations, several value rules of input vectors in scissor mechanism are discovered, summarized, and approved via mathematics analysis. One of those rules shows that the maximum input force always occurs in the beginning position of lifting. Which indicates extreme importance of initial lift angle to design. Meanwhile, a further research on typology refines six input configurations into more detailed value cases according to possible parameter settings. Among them, three constant lift force cases, two singular cases and other cases are discussed individually. Typology and value rules are significant to power selection, mechanism configuration design and dimension optimization. Validity of presented equations is approved by four reported samples. Not limit to studied single group mechanisms, CHAT can also be found easily in every linear driven scissor lift mechanism such as multiple group mechanism, parallel mechanism, or nonstandard connected single group mechanism. Thus, presented universal equations are suitable for widespread applications with scissor mechanism.

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“…Chen and You [20] discussed the creations of 6R linkages by combining Goldberg 5R linkages. Dai et al [21] investigated the mobility of a complex structured ball based on mechanism decomposition and equivalent screw system analysis. Liu and Chen [22] presented a method to build deployable assemblies using the Myard linkages.…”

Section: Introductionmentioning

confidence: 99%

Structure synthesis and statics analysis of a foldable stair

Zhao

Wang

Chu

et al. 2011

Mechanism and Machine Theory

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Mobility analysis of a complex structured ball based on mechanism decomposition and equivalent screw system analysis

Cited by 103 publications

References 15 publications

Design and Analysis of a Novel Coupled Mechanism Based on a Spliced Polyhedron with Two Regular Tetrahedrons

Design and Analysis of a Novel Coupled Mechanism Based on a Spliced Polyhedron with Two Regular Tetrahedrons

A characteristic triangle method on input vectors of scissor lift mechanism and its applications in modeling and analysis

Structure synthesis and statics analysis of a foldable stair

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