A modular design method based on TRIZ and AD and its application to cutter changing robot

Modular design, Axiomatic design (AD) and Theory of inventive problem solving (TRIZ) have been increasingly popularized in concept design of modern mechanical product. Each method has their own advantages and drawbacks. The benefit of modular design is reducing the product design period, and AD has...

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Bibliographic Details
Published inAdvances in mechanical engineering Vol. 13; no. 7
Main Authors Yang, Mei, Xia, Yimin, Jia, Lianhui, Wang, Dujuan, Ji, Zhiyong
Format Journal Article
LanguageEnglish
Published London, England SAGE Publications 01.07.2021
Sage Publications Ltd
SAGE Publishing
Subjects
Decomposition
Design parameters
Mechanical systems
Modular design
Modules
Problem solving
Product design
Robots
Structural hierarchy
Tunneling shields
concept design
Theory of inventive problem solving
modular design
cutter changing robot
axiomatic design
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ISSN1687-8132
1687-8140
DOI10.1177/16878140211034369

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Summary:Modular design, Axiomatic design (AD) and Theory of inventive problem solving (TRIZ) have been increasingly popularized in concept design of modern mechanical product. Each method has their own advantages and drawbacks. The benefit of modular design is reducing the product design period, and AD has the capability of problem analysis, while TRIZ’s expertise is innovative idea generation. According to the complementarity of these three approaches, an innovative and systematic methodology is proposed to design big complex mechanical system. Firstly, the module partition is executed based on scenario decomposition. Then, the behavior attributes of modules are listed to find the design contradiction, including motion form, spatial constraints, and performance requirements. TRIZ tools are employed to deal with the contradictions between behavior attributes. The decomposition and mapping of functional requirements and design parameters are carried out to construct the structural hierarchy of each module. Then, modules are integrated considering the connections between each other. Finally, the operation steps in application scenario are designed in temporal and spatial dimensions. Design of cutter changing robot for shield tunneling machine is taken as an example to validate the feasibility and effectiveness of the proposed method.
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ISSN:1687-8132
1687-8140
DOI:10.1177/16878140211034369