Synthesis of spatial compliant mechanisms for morphing surfaces in three dimensions is challenging as it not only involves meeting the kinematic requirement for spatial shape change, but also providing support against external loads. In three dimensions, there are no existing insightful techniques for synthesis, and the computational approaches are rendered complex. This paper builds on a new insightful technique to synthesize compliant mechanism topologies by visualizing a kinetostatic field of forces that flow through the mechanism geometry. Such a framework when extended to three dimensions, enables a maximally decoupled synthesis framework of shape morphing compliant surfaces, where a primary mechanism meets the shape change requirement, and an auxiliary mechanism provides the required support under external loads. The preliminary design guidelines are implemented using an immersive Virtual Reality based design tool, and verified using finite element simulations for several spatial compliant mechanisms. This design framework is deemed useful for a larger class of shape morphing structures beyond the examples presented in the paper.
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ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 26–29, 2018
Quebec City, Quebec, Canada
Conference Sponsors:
- Design Engineering Division
- Computers and Information in Engineering Division
ISBN:
978-0-7918-5181-4
PROCEEDINGS PAPER
A Conceptual Design Tool for Synthesis of Spatial Compliant and Shape Morphing Mechanisms
Sreekalyan Patiballa,
Sreekalyan Patiballa
University of Illinois Urbana-Champaign, Urbana, IL
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Kazuhiro Uchikata,
Kazuhiro Uchikata
University of Illinois Urbana-Champaign, Urbana, IL
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Ramkumar Komanduri Ranganath,
Ramkumar Komanduri Ranganath
University of Illinois Urbana-Champaign, Urbana, IL
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Girish Krishnan
Girish Krishnan
University of Illinois Urbana-Champaign, Urbana, IL
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Sreekalyan Patiballa
University of Illinois Urbana-Champaign, Urbana, IL
Kazuhiro Uchikata
University of Illinois Urbana-Champaign, Urbana, IL
Ramkumar Komanduri Ranganath
University of Illinois Urbana-Champaign, Urbana, IL
Girish Krishnan
University of Illinois Urbana-Champaign, Urbana, IL
Paper No:
DETC2018-86375, V05BT07A009; 10 pages
Published Online:
November 2, 2018
Citation
Patiballa, S, Uchikata, K, Ranganath, RK, & Krishnan, G. "A Conceptual Design Tool for Synthesis of Spatial Compliant and Shape Morphing Mechanisms." Proceedings of the ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 5B: 42nd Mechanisms and Robotics Conference. Quebec City, Quebec, Canada. August 26–29, 2018. V05BT07A009. ASME. https://doi.org/10.1115/DETC2018-86375
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