EVAL Belt : A Connected Vibration-Feedback System for Mobility and Real-Time Monitoring of Visually Impaired Users
Ting Wang, Matteo Padonou, Yara Said, Laurena Homsi, Seifeddine Brinis, Valentin Motuel, Éric Monacelli · 2025
This paper introduces the EVAL Belt, an intelligent wearable system developed to enhance mobility, safety, and autonomy for visually impaired individuals. The system integrates ultrasonic sensors and vibrating motors to detect obstacles in real-time, delivering directional tactile feedback that adapts based on proximity. The customizable vibration intensity and detection range enable seamless use across diverse environments. Additionally, an onboard accelerometer detects falls, while Wi-Fi and Bluetooth connectivity facilitate real-time alerts to caregivers. A user-friendly web interface allows for continuous monitoring of accelerometer data, ensuring timely responses to emergencies. Experimental validation demonstrates the EVAL Belt’s potential as a modern alternative or supplement to traditional mobility aids, significantly promoting social inclusion and independence for users.