Strain Gauge-Integrated Soft Robotic Glove for Automatically Adjustable Grip Strength

Overview

The human hand has an incredible amount of mechanoreceptors that receive input and can deduce many qualities of a grasped object and adjust its grip accordingly to ensure a secure grasp. This paper describes the design, development, and testing of a soft robotic glove with sensors located at the fingertips aimed at measuring grip strength based on an object's malleability. The initial engineering goal was to develop a fully functional glove with integrated actuators and strain gauges on each fingertip, mimicking the mechanoreceptors in human fingerpads. The sensors chosen for the design were linear strain gauges located on the fingertips of the glove to mimic the mechanoreceptors in human fingerpads, which detect changes in surface texture, pressure, and deformation when interacting with objects. While the full glove was not completed, a single actuator was successfully developed, enabling movement of the index finger. Data was recorded regarding the correlation between the deformation of the strain gauge and the manipulation of the subject's finger by the actuators. Challenges such as integrating the strain gauge with the glove limited full development, but the progress made highlights the potential for future development of an adaptive soft robotic glove capable of real-time grip modulation.

Competition history

• AJAS 2026 Category not listed

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