Publications de Haotian Chen | EPFL Graph Search

Liquid Metal-Based Sensor Skin Enabling Haptic Perception of Softness

Stéphanie Lacour, Ivan Furfaro, Emilio Fernández Lavado, Haotian Chen

Haptic perception of softness is a unique feature of the human skin that relies on the concurrent measurements of the lateral deformation and compression of the skin during object manipulation. This is challenging to implement in robotics because of combin ...

2023

GaitSkin system: Wireless vibrotactile skin patch with gait tracker for sensorimotor conflict creation

Olaf Blanke, Stéphanie Lacour, Bruno Herbelin, Ivan Furfaro, Emilio Fernández Lavado, Haotian Chen, Selim Jean Habiby Alaoui

This paper details the development and preliminary testing of GaitSkin, a wearable haptic interface designed for generating sensorimotor conflicts during locomotion. The system leverages real-time gait tracking and a wireless vibrotactile skin patch to pro ...

IEEE2023

A stretchable sensor for force estimation in soft wearable robots

Stéphanie Lacour, Haotian Chen

Soft wearable robots to assist human movements, such as exosuits, have rapidly gained attention thanks to their compliance, low weight and accessibility. However, force measurement in exosuits still rely on load cells and rigid sensors that are not wearabl ...

IEEE2022

Microscale Liquid Metal Conductors for Stretchable and Transparent Electronics

Stéphanie Lacour, Giuseppe Schiavone, Ivan Furfaro, Laurent Mirko Dejace, Haotian Chen

Integrated wearable electronics capable of transducing and transmitting biophysical information on complex and dynamic systems are attracting high interest across the consumer electronics, clinical, and research domains. Gallium and gallium-based liquid me ...

Wiley2021

Electronic Skins for Healthcare Monitoring and Smart Prostheses

Stéphanie Lacour, Laurent Mirko Dejace, Haotian Chen

The human skin is a unique organ that embeds multiple functions that no artificial systems can currently replicate. Advances in materials science and engineering are driving the design of electronic skins-large-area sensor arrays that mimic some sensory mo ...

ANNUAL REVIEWS2021

Bioinspired Liquid Metal Based Sensing System For Compliance Detection

Stéphanie Lacour, Ivan Furfaro, Haotian Chen

In this paper, we report a fully stretchable liquid metal based sensor system for compliance detection. The system is composed of a strain sensor layer, a gap layer with a hole in the center and a pressure sensor layer from top to bottom. Inspired from the ...

IEEE2021

Development and Evaluation of a Sensor Glove to Detect Grasp Intention for a Wearable Robotic Hand Exoskeleton

Stéphanie Lacour, Haotian Chen

Restoring hand function in people suffering from neuromotor hand impairment is a crucial step towards regaining independence. Wearable robotic hand orthoses are a promising approach to support that aim by providing grasp assistance in daily life. For succe ...

IEEE2020