Artificial heart for humanoid robot using coiled SMA actuators

Akshay Potnuru; Yonas Tadesse

doi:10.1117/12.2084133

26 March 2015 Artificial heart for humanoid robot using coiled SMA actuators

Akshay Potnuru, Yonas Tadesse

Proceedings Volume 9429, Bioinspiration, Biomimetics, and Bioreplication 2015; 94290R (2015) https://doi.org/10.1117/12.2084133
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2015, San Diego, California, United States

Abstract

Previously, we have presented the design and characterization of artificial heart using cylindrical shape memory alloy (SMA) actuators for humanoids [1]. The robotic heart was primarily designed to pump a blood-like fluid to parts of the robot such as the face to simulate blushing or anger by the use of elastomeric substrates for the transport of fluids. It can also be used for other applications. In this paper, we present an improved design by using high strain coiled SMAs and a novel pumping mechanism that uses sequential actuation to create peristalsis-like motions, and hence pump the fluid. Various placements of actuators will be investigated with respect to the silicone elastomeric body. This new approach provides a better performance in terms of the fluid volume pumped.

Citation Download Citation

Akshay Potnuru and Yonas Tadesse "Artificial heart for humanoid robot using coiled SMA actuators", Proc. SPIE 9429, Bioinspiration, Biomimetics, and Bioreplication 2015, 94290R (26 March 2015); https://doi.org/10.1117/12.2084133

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