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One of the main challenges users of prosthetic hands face is the lack of haptic feedback, which can make it difficult for them to accurately perceive the shape, texture, and other characteristics of objects they are touching, resulting in heavy reliance on visual feedback. This can limit the user’s ability to manipulate objects and interact with their environment effectively. In this research, we present a conceptual design of a mechanotactile haptic armband that has five fingers, each with two segments to provide different haptic profiles. The goal of this device is to provide haptic feedback to users of prosthetic hands, allowing them to experience a sense of touch and to more accurately perceive the shape, texture, and other characteristics of objects they are touching. To control the haptic armband, we have developed a control technique based on fuzzy logic, which maps the force sensed from a soft sensor to a force applied to the armband. Our results show that the haptic armband has the potential to improve the functionality and performance of prosthetic arms, enabling users to interact with their environment.
Zhuwawu et al. (Wed,) studied this question.