Structure synthesis and statics analysis of a foldable stair
This paper proposes a foldable stair that can be deployed for use and folded for conservation and investigates the geometry and statics of the structure. It not only has the moving flexibility of a mechanism but also has the high stiffness and high strength of statically indeterminate structures. Th...
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| Veröffentlicht in: | Mechanism and machine theory 2011-07, Vol.46 (7), p.998-1015 |
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| container_title | Mechanism and machine theory |
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| creator | Zhao, Jing-Shan Wang, Jian-Yi Chu, Fulei Feng, Zhi-Jing Dai, Jian S. |
| description | This paper proposes a foldable stair that can be deployed for use and folded for conservation and investigates the geometry and statics of the structure. It not only has the moving flexibility of a mechanism but also has the high stiffness and high strength of statically indeterminate structures. The primary linkage is a deployable scissor-like element which forms the staircase after expanding. This paper starts with the analysis of the geometry of planar four- and six-bar mechanisms and processes to synthesize the foldable stair and then investigates its statics. The paper further investigates redundant inner forces of every link based on the second Castigliano theorem, develops a foldable stair model, assembles and manufactures. Working experiments verify the theoretical results and the outstanding advantages over the general fixed stairs. |
| doi_str_mv | 10.1016/j.mechmachtheory.2011.02.001 |
| format | Article |
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It not only has the moving flexibility of a mechanism but also has the high stiffness and high strength of statically indeterminate structures. The primary linkage is a deployable scissor-like element which forms the staircase after expanding. This paper starts with the analysis of the geometry of planar four- and six-bar mechanisms and processes to synthesize the foldable stair and then investigates its statics. The paper further investigates redundant inner forces of every link based on the second Castigliano theorem, develops a foldable stair model, assembles and manufactures. 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Working experiments verify the theoretical results and the outstanding advantages over the general fixed stairs.</description><subject>Applied sciences</subject><subject>Conservation</subject><subject>Drives</subject><subject>Exact sciences and technology</subject><subject>Flexibility</subject><subject>Foldable stair</subject><subject>High strength</subject><subject>Linkage mechanisms, cams</subject><subject>Linkages</subject><subject>Links</subject><subject>Mechanical engineering. Machine design</subject><subject>Redundant</subject><subject>Scissor-like element</subject><subject>Spacecraft</subject><subject>Statics analysis</subject><subject>Structure synthesis</subject><subject>Synthesis</subject><issn>0094-114X</issn><issn>1873-3999</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqNkE1Lw0AQhhdRsH78hxwUT4mz2Xwt9CJiVSh4UMHbMjuZ0C1pUndTof_ehIrgzdMMM--8L_MIcSUhkSCL23WyYVptkFbDinu_T1KQMoE0AZBHYiarUsVKa30sZgA6i6XMPk7FWQhrACjzTM3E_HXwOxp2nqOw70ab4EKEXR2FAQdHU4_tfhr2TYRR07c12pantfMX4qTBNvDlTz0X74uHt_unePny-Hx_t4wpy6shVjkiFik22qYWteWccuKCEKi2BZRlySVarKiRWa10lbMupM2pxNpaZWt1Lm4Ovlvff-44DGbjAnHbYsf9LpiqzEHJCvSonB-U5PsQPDdm690G_d5IMBMzszZ_mZmJmYHUjMzG8-ufIAyEbeOxIxd-PdJMpqpIq1G3OOh4_PrLsTeBHHfEtfNMg6l797_Ab4G3jOw</recordid><startdate>20110701</startdate><enddate>20110701</enddate><creator>Zhao, Jing-Shan</creator><creator>Wang, Jian-Yi</creator><creator>Chu, Fulei</creator><creator>Feng, Zhi-Jing</creator><creator>Dai, Jian S.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SC</scope><scope>7SP</scope><scope>7TA</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>JG9</scope><scope>JQ2</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope></search><sort><creationdate>20110701</creationdate><title>Structure synthesis and statics analysis of a foldable stair</title><author>Zhao, Jing-Shan ; Wang, Jian-Yi ; Chu, Fulei ; Feng, Zhi-Jing ; Dai, Jian S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c458t-35aaa62af9b2ba9be5c5ce6ca0cdb60777e7aba8cf14d3985e961b5c7adbb3bd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Applied sciences</topic><topic>Conservation</topic><topic>Drives</topic><topic>Exact sciences and technology</topic><topic>Flexibility</topic><topic>Foldable stair</topic><topic>High strength</topic><topic>Linkage mechanisms, cams</topic><topic>Linkages</topic><topic>Links</topic><topic>Mechanical engineering. Machine design</topic><topic>Redundant</topic><topic>Scissor-like element</topic><topic>Spacecraft</topic><topic>Statics analysis</topic><topic>Structure synthesis</topic><topic>Synthesis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhao, Jing-Shan</creatorcontrib><creatorcontrib>Wang, Jian-Yi</creatorcontrib><creatorcontrib>Chu, Fulei</creatorcontrib><creatorcontrib>Feng, Zhi-Jing</creatorcontrib><creatorcontrib>Dai, Jian S.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Computer and Information Systems Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><jtitle>Mechanism and machine theory</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhao, Jing-Shan</au><au>Wang, Jian-Yi</au><au>Chu, Fulei</au><au>Feng, Zhi-Jing</au><au>Dai, Jian S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Structure synthesis and statics analysis of a foldable stair</atitle><jtitle>Mechanism and machine theory</jtitle><date>2011-07-01</date><risdate>2011</risdate><volume>46</volume><issue>7</issue><spage>998</spage><epage>1015</epage><pages>998-1015</pages><issn>0094-114X</issn><eissn>1873-3999</eissn><coden>MHMTAS</coden><abstract>This paper proposes a foldable stair that can be deployed for use and folded for conservation and investigates the geometry and statics of the structure. 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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Conservation Drives Exact sciences and technology Flexibility Foldable stair High strength Linkage mechanisms, cams Linkages Links Mechanical engineering. Machine design Redundant Scissor-like element Spacecraft Statics analysis Structure synthesis Synthesis |
| title | Structure synthesis and statics analysis of a foldable stair |
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