Wearable FES System For Multi-Joint Movement Restoration With Cycle-To-Cycle Control Method

Abstract

Stroke is a disease that causes hemiplegia, which causes weakness in muscle ability and changes one's walking ability. Incorporating FES (Functional Electrical Stimulation) and sensor systems to measure the angle of the multi-joint, such as the hip joint, knee joint, and ankle joint, can provide rehabilitation of the walking motion. The angle of achievement in the lower limb joints as errors would be fuzzy inputs and result in the duration of stimulation. A wearable hip joint sensor is added to determine the body angle and proceed with the stimulation to restore the upper body gait. The angle output after stimulation is 50 degrees for the Knee flexion, 3.6 degrees for the Knee extension, -3 degrees for ankle max plantar flexion, and 21 degrees for max dorsiflexion for the hip joint is 19 degrees. For further research the system will be expanded in the form of integrated telerehabilitation by adding IoT device.