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Mechanical Sciences An open-access journal for theoretical and applied mechanics
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Volume 6, issue 1
Mech. Sci., 6, 75–80, 2015
https://doi.org/10.5194/ms-6-75-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Mech. Sci., 6, 75–80, 2015
https://doi.org/10.5194/ms-6-75-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Short communication 05 Jun 2015

Short communication | 05 Jun 2015

On the infinitely-stable rotational mechanism using the off-axis rotation of a bistable translational mechanism

G. Hao and J. Mullins G. Hao and J. Mullins
  • School of Engineering-Electrical and Electronic Engineering, University College Cork, Cork, Ireland

Abstract. Different from the prior art concentrating on the primary translation of bistable translational mechanisms this paper investigates the off-axis rotation behaviour of a bistable translational mechanism through displacing the guided primary translation at different positions. Moment-rotation curves obtained using the nonlinear finite element analysis (FEA) for a case study show the multiple stable positions of the rotation under each specific primary motion, suggesting that an infinitely-stable rotational mechanism can be achieved by controlling the primary motion. In addition, several critical transition points have been identified and qualitative testing has been conducted for the case study.

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