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Design of a self-folding composite variable-diameter wheel structure based on 4D printing technology
ID
Zhang, Wencai
(
Author
),
ID
Ge, Zhenghao
(
Author
),
ID
Li, Duanling
(
Author
)
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https://www.sv-jme.eu/sl/article/design-of-a-self-folding-composite-variable-diameter-wheel-structure-based-on-4d-printing-technology/
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Abstract
The conventional variable-diameter wheel’s complex control system and structure seriously affect its mobility and dependability in unstructured terrain. Based on 4-dimensional (4D) printing technology, this work proposes a self-folding composite variable-diameter wheel consisting of a self-folding structure and an outer hub that can self-adjust the wheel diameter under thermal stimulation, avoiding the drawbacks of conventional structures. The structure integrates the control system and variable-diameter mechanical structure using 4D printing. The design and construction of the self-folding structures are introduced, and the mathematical model and design parameters for self-folding motion are obtained using kinematic analysis. Based on the above research and material properties analysis, a programmable morphing structural design and morphing influence investigation based on manufacturing parameters are carried out for the self-folding rod that controls the contraction of this structure. The digital model and prototype have been developed to verify the feasibility of the design and the correctness of the theoretical analysis and to realize the self-adjusting wheel diameter under thermal stimulation.
Language:
English
Keywords:
self-folding
,
smart materials
,
4D printing
,
variable diameter wheel
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
FS - Faculty of Mechanical Engineering
Publication status:
Published
Publication version:
Version of Record
Year:
2023
Number of pages:
Str. 185-195
Numbering:
Vol. 69, no. 3/4
PID:
20.500.12556/RUL-145184
UDC:
004.925.84:621.79
ISSN on article:
0039-2480
DOI:
10.5545/sv-jme.2022.359
COBISS.SI-ID:
148574211
Publication date in RUL:
12.04.2023
Views:
228
Downloads:
35
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Record is a part of a journal
Title:
Strojniški vestnik
Shortened title:
Stroj. vestn.
Publisher:
Zveza strojnih inženirjev in tehnikov Slovenije [etc.], = Association of Mechanical Engineers and Technicians of Slovenia [etc.
ISSN:
0039-2480
COBISS.SI-ID:
762116
Licences
License:
CC BY 4.0, Creative Commons Attribution 4.0 International
Link:
http://creativecommons.org/licenses/by/4.0/
Description:
This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Secondary language
Language:
Slovenian
Title:
Konstruiranje samozložljivega kolesa variabilnega premera na podlagi tehnologije 4D-tiska
Keywords:
samodejno zlaganje
,
pametni materiali
,
4D-tisk
,
kolo variabilnega premera
Projects
Funder:
Other - Other funder or multiple funders
Funding programme:
National Natural Science Foundation of China
Project number:
52175019
Funder:
Other - Other funder or multiple funders
Funding programme:
Beijing Natural Science Foundations
Project number:
3212009
Funder:
Other - Other funder or multiple funders
Funding programme:
Beijing Natural Science Foundations
Project number:
L222038
Funder:
Other - Other funder or multiple funders
Funding programme:
Beijing Municipal Key Laboratory of Space-ground Interconnection and Convergence of China
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