In the emerging field of origami engineering, it is important to investigate ways to achieve large deformations to enable significant shape transformations. One way to achieve this is through the use of bistable mechanisms. The goal in this research is to investigate the feasibility and design of a compliant bistable mechanism that is actuated by magneto active elastomer (MAE) material. The MAE material has magnetic particles embedded in the material that are aligned during the curing process. When exposed to an external field, the material deforms to align the embedded particles with the field. We investigate actuation of the MAE material through the development of finite element analysis (FEA) models to predict the magnetic field required to snap the device from its first stable position to its second for various geometries and field strengths. The FEA model also predicts the displacement of the center of the mechanism as it moves from one position to the other to determine if the device is in fact bistable. These results help show the relationship between the substrate properties and the bistability of the device. Experimental results validate the FEA models and demonstrate the functionality of active materials to be used as actuators for such devices and applications of origami engineering.
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ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 17–20, 2014
Buffalo, New York, USA
Conference Sponsors:
- Design Engineering Division
- Computers and Information in Engineering Division
ISBN:
978-0-7918-4637-7
PROCEEDINGS PAPER
Bistable Compliant Mechanism Using Magneto Active Elastomer Actuation Available to Purchase
Adrienne Crivaro,
Adrienne Crivaro
The Pennsylvania State University, University Park, PA
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Rob Sheridan,
Rob Sheridan
The Pennsylvania State University, University Park, PA
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Mary Frecker,
Mary Frecker
The Pennsylvania State University, University Park, PA
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Timothy W. Simpson,
Timothy W. Simpson
The Pennsylvania State University, University Park, PA
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Paris von Lockette
Paris von Lockette
The Pennsylvania State University, University Park, PA
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Adrienne Crivaro
The Pennsylvania State University, University Park, PA
Rob Sheridan
The Pennsylvania State University, University Park, PA
Mary Frecker
The Pennsylvania State University, University Park, PA
Timothy W. Simpson
The Pennsylvania State University, University Park, PA
Paris von Lockette
The Pennsylvania State University, University Park, PA
Paper No:
DETC2014-35007, V05BT08A046; 9 pages
Published Online:
January 13, 2015
Citation
Crivaro, A, Sheridan, R, Frecker, M, Simpson, TW, & von Lockette, P. "Bistable Compliant Mechanism Using Magneto Active Elastomer Actuation." Proceedings of the ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 5B: 38th Mechanisms and Robotics Conference. Buffalo, New York, USA. August 17–20, 2014. V05BT08A046. ASME. https://doi.org/10.1115/DETC2014-35007
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