Bio-inspired passive variable recruitment of fluidic artificial muscles

Edward M. Chapman; Matthew Bryant

doi:10.1117/12.2296024

27 March 2018 Bio-inspired passive variable recruitment of fluidic artificial muscles

Edward M. Chapman, Matthew Bryant

Proceedings Volume 10593, Bioinspiration, Biomimetics, and Bioreplication VIII; 105930Y (2018) https://doi.org/10.1117/12.2296024
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2018, Denver, Colorado, United States

Abstract

This paper explores the modeling and analysis of the effect of minimum actuation pressure previously observed in literature. This minimum pressure is similar in kind to the minimum amplitude of the signal for muscle actuation seen in mammalian muscles. This minimum actuation, or “threshold” pressure is used a method of mechanically encoding the control of FAM engagement and the actuation efficiency of a group, or ‘bundle’ of muscles with differing threshold pressures is compared with a single muscle of equivalent force and strain. The results of this analysis indicate the efficacy of using this design and control method; it is advantageous in cases where a range of displacements and forces are necessary.

Citation Download Citation

Edward M. Chapman and Matthew Bryant "Bio-inspired passive variable recruitment of fluidic artificial muscles", Proc. SPIE 10593, Bioinspiration, Biomimetics, and Bioreplication VIII, 105930Y (27 March 2018); https://doi.org/10.1117/12.2296024

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