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Design of Structures With Multiple Equilibrium Configurations

Li, Yang and Pellegrino, Sergio (2018) Design of Structures With Multiple Equilibrium Configurations. In: 42nd Mechanisms and Robotics Conference. Vol.5B. American Society of Mechanical Engineers , New York, NY, Art. No. V05BT07A063. ISBN 978-0-7918-5181-4. http://resolver.caltech.edu/CaltechAUTHORS:20190404-081554007

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Abstract

Being able to design structures with multiple equilibrium configurations is the basis for the design of multi-stable structures, which are of interest for future research on multi-configuration structures that require ‘simple’ actuation schemes. It is already known that adding elastic springs to a rigid mechanism can create structures with multiple equilibrium configurations. The spring properties, such as their rest positions, can be taken as design parameters that can be used to achieve specific equilibrium configurations of the structure. This paper provides a linearized formulation for the equilibrium constraints that can be solved for the rest positions of the springs. This method allows the design of specific equilibrium configurations. It can also handle more complex problems and is easier to solve in comparison to existent techniques. An example design of a four-bar linkage that has 5 equilibrium configurations is presented.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1115/DETC2018-86157DOIArticle
ORCID:
AuthorORCID
Pellegrino, Sergio0000-0001-9373-3278
Additional Information:© 2018 by ASME. Paper No. DETC2018-86157.
Group:GALCIT
Subject Keywords:Equilibrium (Physics), Design
Record Number:CaltechAUTHORS:20190404-081554007
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20190404-081554007
Official Citation:Li Y, Pellegrino S. Design of Structures With Multiple Equilibrium Configurations. ASME. International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, Volume 5B: 42nd Mechanisms and Robotics Conference :V05BT07A063. doi:10.1115/DETC2018-86157
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:94442
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:04 Apr 2019 16:12
Last Modified:04 Apr 2019 16:12

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