Design, Modeling, and Control of a 3D Printed Monolithic Soft Robotic Finger With Embedded Pneumatic Sensing Chambers

نویسندگان

چکیده

This article presents a directly 3-D printed soft monolithic robotic finger with embedded pneumatic sensing chambers (PSC) as position and touch sensors. The was fabricated using low-cost open-source fused deposition modeling printer that employs an off-the-shelf flexible commercially available thermoplastic polyurethane. A single hinge PSC optimized finite element hyperelastic material model to obtain linear relationship between the internal change in volume of its corresponding input mechanical modality, minimize bending stiffness maximize volume. hinges PSCs have several advantages, such fast response very small changes their (~0.0026ml/°), linearity, negligible hysteresis, repeatability, reliability, long lifetime, low power consumption. Also, flexion predicted geometric for use real-time control. pressure/force control were achieved feedback signals from tip finger. contributes development seamlessly embedding elements topology system controlling data provided by validate performance.

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ژورنال

عنوان ژورنال: IEEE-ASME Transactions on Mechatronics

سال: 2021

ISSN: ['1941-014X', '1083-4435']

DOI: https://doi.org/10.1109/tmech.2020.3009365