Lamina emergent mechanism

Lamina Emergent Mechanisms (also known as LEMs) are more commonly referred to as "Pop-up Mechanisms" as seen in "pop-up-books". LEM is the technical term of such mechanisms or engineering. LEMs are a subset of compliant mechanisms fabricated from planar materials (lamina) and have motion emerging from the fabrication plane. LEMs use compliance, or the deflection of flexible members to achieve motion.[1]

Background

Ortho-Planar Mechanisms are an earlier concept similar to LEMs.[2] More well known LEMs include pop-up books,[3] flat-folding origami mechanisms, origami stents,[4] and deployable mechanisms. The research in LEMs also overlaps with deployable structures,[5] origami, kirigami, compliant mechanisms, microelectromechanical systems, packaging engineering,[6] robotics,[7] paper engineering, developable mechanisms, and more.

References
  1. Jacobsen, J.O., Howell, L.L., Magleby, S.P., “Fundamental Components for Lamina Emergent Mechanisms,” Proceedings of the 2007 ASME International Mechanical Engineering Congress and Exposition, November 10–16, 2007, Seattle, WA, IMECE2007-42311.
  2. Parise, J.J., Howell, L.L., En Magleby, S.P., “Ortho-Planar Mechanisms,” Proceedings of the 26th Biennial Mechanisms En Robotics Conference, at the 2000 ASME Design Engineering Technical Conference, Baltimore, Maryland, DETC2000/MECH-14193.
  3. Winder, B.G., Magleby, S.P., En Howell, L.L., “Kinematic Representations of Pop-up Paper Mechanisms,” Proceedings of IDETC/CIE 2007 as part of the 2007 ASME Mechanisms and Robotics Conference, Las Vegas, NV, Sept. 4-7, 2007, DETC2007-35505.
  4. http://www.tulane.edu/~sbc2003/pdfdocs/0257.PDF
  5. Albrechtsen, N. B., Magleby, S.P., and Howell, L.L. "Identifying Potential Applications for Lamina Emergent Mechanisms Using Technology Push Product Development" Proceedings of IDETC/CIE2010 as part of the 2010 ASME Mechanisms and Robotics Conference, Montreal, Canada, Aug. 15-18, 2010, DETC2010-28531.
  6. J.S. Dai En F. Cannella, Stiffness Characteristics of Carton Folds for Packaging, Transactions of the ASME: Journal of Mechanical Design, vol. 130, no. 2, page 022305_1-7, 2008.
  7. Devin Balkcom, "Robotic Origami Folding," doctoral dissertation, tech. report CMU-RI-TR-04-43, Robotics Institute, Carnegie Mellon University, August, 2004
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