Development of a Tristable Compliant Mechanism. Pendleton, T. M & Jensen, B. D 12Th World Congress in Mechanism and Machine Science, 2007. abstract bibtex This paper presents a mechanically tristable mechanism that uses strain energy storage, rather than friction or detents, to achieve three local minima of potential energy. The mechanism is initially designed by considering symmetrical or nearly symmetrical mechanisms which achieve a stable position if moved in either direction from the initial (fabrication) position, thus resulting in a total of three stable positions. The mechanism is fabricated and tested in both partially compliant and fully compliant forms. In addition, we show that the basic mechanism design can be used as a starting point for optimization-based design to achieve tailored stable positions or neutrally stable behavior.
@article{pendleton_development_2007,
title = {Development of a {Tristable} {Compliant} {Mechanism}},
abstract = {This paper presents a mechanically tristable mechanism that uses strain energy storage, rather than friction or detents, to achieve three local minima of potential energy. The mechanism is initially designed by considering symmetrical or nearly symmetrical mechanisms which achieve a stable position if moved in either direction from the initial (fabrication) position, thus resulting in a total of three stable positions. The mechanism is fabricated and tested in both partially compliant and fully compliant forms. In addition, we show that the basic mechanism design can be used as a starting point for optimization-based design to achieve tailored stable positions or neutrally stable behavior.},
journal = {12Th World Congress in Mechanism and Machine Science},
author = {Pendleton, Tyler M and Jensen, Brian D},
year = {2007},
keywords = {mechanism design, optimal design, pseudo-rigid-body model, stability},
}
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