Analytical modeling and computational optimization for a 1-DOF compliant mechanism Article Swipe
Hung D. Nguyen
,
Hung V. Le
,
Minh Phung Dang
,
Hieu Giang Le
,
Thanh-Phong Dao
·
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.15625/0866-7136/21113
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.15625/0866-7136/21113
The first natural frequency directly affects the operational conditions of compliant mechanisms in precision engineering systems. To address this challenge, a computational method based on the surface response method is proposed to optimize the frequency of a new one degree of freedom (DOF) compliant mechanism. Initially, a 1-DOF 3D model of a compliant mechanism is built. The dynamic equation and the frequency response are formulated via equivalent stiffness and the Lagrange method. Subsequently, a series of numerical simulations are conducted to find the fundamental frequency of the mechanism. The initial dimensions of the flexible joints are determined, and the initial frequency is analyzed by using finite element analysis. Next, the flexible joints in the designed mechanism are optimized by a variant of the genetic algorithm. The optimized dimensions of the mechanism are found with the thickness of the circular joint of 1.10 mm, the thickness of the leaf joint of 1.19 mm, and the length of the leaf joint of 54.50 mm. The optimized result showed that there is a significant improvement in the frequency of the mechanism, increasing from an initial design of 53.218 Hz to an optimal design of 75.927 Hz with an improvement of 42.6%. This study provides important reference materials for future research on compliant mechanisms.
Related Topics
Concepts
Mechanism (biology)
Natural frequency
Finite element method
Joint (building)
Stiffness
Compliant mechanism
Genetic algorithm
Frequency response
Structural engineering
Control theory (sociology)
Optimal design
Joint stiffness
Computer science
Engineering
Vibration
Acoustics
Physics
Control (management)
Quantum mechanics
Artificial intelligence
Electrical engineering
Machine learning
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.15625/0866-7136/21113
- OA Status
- diamond
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4403777451
All OpenAlex metadata
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https://openalex.org/W4403777451Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.15625/0866-7136/21113Digital Object Identifier
- Title
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Analytical modeling and computational optimization for a 1-DOF compliant mechanismWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2024Year of publication
- Publication date
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2024-10-24Full publication date if available
- Authors
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Hung D. Nguyen, Hung V. Le, Minh Phung Dang, Hieu Giang Le, Thanh-Phong DaoList of authors in order
- Landing page
-
https://doi.org/10.15625/0866-7136/21113Publisher landing page
- Open access
-
YesWhether a free full text is available
- OA status
-
diamondOpen access status per OpenAlex
- OA URL
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https://doi.org/10.15625/0866-7136/21113Direct OA link when available
- Concepts
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Mechanism (biology), Natural frequency, Finite element method, Joint (building), Stiffness, Compliant mechanism, Genetic algorithm, Frequency response, Structural engineering, Control theory (sociology), Optimal design, Joint stiffness, Computer science, Engineering, Vibration, Acoustics, Physics, Control (management), Quantum mechanics, Artificial intelligence, Electrical engineering, Machine learningTop concepts (fields/topics) attached by OpenAlex
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0Total citation count in OpenAlex
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10Other works algorithmically related by OpenAlex
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| publication_date | 2024-10-24 |
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