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A Novel Neuroprostheses Control Algorithm for Stroke Patients Lower Extremities Rehabilitation

 

Stroke patients need to increase their level of physical activity to reduce the risk of cardiovascular disease but their exercise options are very limited. Exercise or repetitive execution of the limb using neuroprostheses by means of functional electrical stimulation (FES) may be crucial for motor relearning and recovery for stroke patients. Current FES systems have not found wide acceptance for clinical use and most commercially available systems are open-loop systems which needs continuous user input. Closed-loop control study on this issue had been widely organized
lately. Unfortunately, classical feedback control systems such as PID controller, sliding mode control might not provide satisfactory performance and stability in electrical stimulation especially in handling nonlinear neuromuscular system.

This research is supported by Exploratory Research Grant Scheme (ERGS).