A Leaf-type Isosceles-trapezoidal Flexural (LITF) pivot can be of great practical use for designing compliant mechanisms. The analysis of load-deflection behavior for such a pivot is essential to the study on the mechanisms which are composed of the pivots. A pseudo-rigid-body model provides a simple and accurate method. Based on the analysis of a single special loaded leaf segment, a four-bar model is presented. The four-bar model is further simplified to a pin-joint model for the simpler applications. The accuracy of both models is demonstrated by comparing results to those of non-linear finite element analysis. At last, the two models are applied to analyze the cartwheel hinge as an example.
- Design Engineering Division and Computers and Information in Engineering Division
The Modeling of Leaf-Type Isosceles-Trapezoidal Flexural Pivots
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Pei, X, Yu, J, Zong, G, & Bi, S. "The Modeling of Leaf-Type Isosceles-Trapezoidal Flexural Pivots." Proceedings of the ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 8: 31st Mechanisms and Robotics Conference, Parts A and B. Las Vegas, Nevada, USA. September 4–7, 2007. pp. 217-223. ASME. https://doi.org/10.1115/DETC2007-34981
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