Electromechanical simulation of cellulose based biomimetic electro-active actuator

Sangdong Jang; Heung Soo Kim; Jaehwan Kim; Prathap Basappa

doi:10.1117/12.773936

10 April 2008 Electromechanical simulation of cellulose based biomimetic electro-active actuator

Sangdong Jang, Heung Soo Kim, Jaehwan Kim, Prathap Basappa

Proceedings Volume 6927, Electroactive Polymer Actuators and Devices (EAPAD) 2008; 69271W (2008) https://doi.org/10.1117/12.773936
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2008, San Diego, California, United States

Abstract

Electro-active paper (EAPap) is a new smart material that has a potential to be used in biomimetic actuator and sensor. It is made by cellulose that is very abundant material in nature. This material is fascinating with its biodegradability, lightweight, large displacement, high mechanical strength and low actuation voltage. It has been reported that ionic and piezoelectric effects play a dominant roll in the actuation mechanism. However, the electromechanical actuation mechanisms are not clearly established yet. This paper presents the modeling of the actuation behavior of water infused cellulose samples and their composite dielectric constant calculated by Maxwell- Wagner theory. Electro-mechanical forces are calculated using Maxwell stress tensor method. Also, bending deflection is evaluated from simple beam model and compared with experimental observation.

Citation Download Citation

Sangdong Jang, Heung Soo Kim, Jaehwan Kim, and Prathap Basappa "Electromechanical simulation of cellulose based biomimetic electro-active actuator", Proc. SPIE 6927, Electroactive Polymer Actuators and Devices (EAPAD) 2008, 69271W (10 April 2008); https://doi.org/10.1117/12.773936

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