Development of a Virtual Reality Simulator for an Intelligent Robotic System Used in Ankle Rehabilitation
Florin Covaciu1, Adrian Pisla1, Anca-Elena Iordan2
1Department of Design Engineering and Robotics, Technical University of Cluj-Napoca, 400641 Cluj-Napoca, Romania.
Sensors (Basel, Switzerland)
|March 6, 2021
Summary
This study introduces a virtual reality (VR) simulator for robotic ankle rehabilitation after stroke. It uses sensors and machine learning to personalize exercises, reducing therapist dependency and enhancing patient motivation.
Area of Science:
- Biomedical Engineering
- Rehabilitation Technology
- Virtual Reality Applications
Background:
- Traditional physiotherapy lacks engagement and can be labor-intensive.
- Stroke rehabilitation requires consistent and personalized patient exercise.
- Advancements in virtual reality (VR) offer new possibilities for interactive therapy.
Purpose of the Study:
- To present a VR simulator for intelligent robotic physiotherapy rehabilitation of the ankle in post-stroke patients.
- To develop a system that enhances patient motivation and reduces therapist workload.
- To create a rehabilitation system with low therapist dependence.
Main Methods:
- Integration of a VR environment with an intelligent robotic system.
- Utilization of gyroscope and accelerometer sensors to track foot movement in three axes.
- Employment of electromyography (EMG) sensors to measure muscle activity.
- Application of a machine learning module to analyze sensor data and adapt exercise levels.
Main Results:
- The VR simulator effectively interacts with human subjects through attached sensors.
- Muscle activity data (EMG) is collected to assess patient condition.
- Machine learning enables the creation of dynamic exercise levels and robotic control within the VR environment.
- The system demonstrates potential for reduced reliance on direct therapist supervision.
Conclusions:
- The developed VR simulator offers an innovative approach to ankle rehabilitation for stroke survivors.
- The intelligent system, driven by sensor data and machine learning, personalizes the rehabilitation process.
- This technology promises to improve patient engagement and therapeutic outcomes while optimizing therapist resources.
Keywords:
ankle rehabilitationintelligent robotic systemmachine learningsensorssimulatorvirtual reality

