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Joshua Hsu

Hometown: Flagstaff, Arizona | Graduation Date: Spring 2019
Biomedical Engineering

Design of E-Textile Based EMG Sensors for Locomotion Analysis

Mentor: Panagiotis Polygerinos
KEEN Awardee: Fall 2018

This projects seeks to design a soft ankle-foot orthosis (AFO) exosuit to aide natural gait restoration for individuals suffering from foot drop. The sock-like AFO is comprised of soft actuators made from fabric-based, thermally-bonded nylon and designed to be worn over the user’s shoes. The system assists dorsiflexion during swing through a contracting soft actuator, and provides ankle joint proprioception during stance with a variable stiffness soft actuator. This work will contribute toward the continual development of a lower-form factor, smarter materials, and a more convenient control interface.

Other Projects

Integrated Sensing for a Soft Neuroprosthetic

Mentor: Panagiotis Polygerinos
FURI: Spring 2018

Neuroprosthetic devices have unique design requirements, more so for bionic limbs that must operate in highly demanding work environments. The project explores synthetically recreating postural synergy using soft materials, artificial muscles, and flexible electronics within the framework of highly demanding work environments. Ideally, the goal is to recreate the lightweight, robust form and function of a human limb. The characterization of sensors that are appropriate for this concept are optical sensors and electronic skin, due to the high compliance of both, as well as its lightweight form factor.