Deformation and dynamic response of a soft cavity facilitating robotic chewing of foods
by Bangxiang Chen; Weiliang Xu; Jaspreet Dhupia
International Journal of Biomechatronics and Biomedical Robotics (IJBBR), Vol. 4, No. 2, 2023

Abstract: Mastication plays a critical role in the food digestive process. A chewing robot was developed to simulate the food masticatory process to evaluate food properties. The artificial oral cavity of the robot failed to simulate the compliant contact between food and soft oral tissue and deserved redesign. The flourishing of soft robotics recently makes it possible to build a soft oral cavity. The design of an oral cavity made of silicone rubber is illustrated in this paper. The cavity is actuated by the inflation and deflation of an air chamber embedded on the inside of the cavity wall. The deformation of the chamber is studied through FEA simulation and experiments to validate its effectiveness. Moreover, the actuating frequencies of the chambers are tested to validate that they can perform food repositioning at the same pace as human chewing.

Online publication date: Tue, 19-Dec-2023

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