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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