General Overview of System Subject’s step Motion Capture Ground Reaction Forces EMG Sensors Data Acquisition Value A Value B Calculated Values Value X.

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Presentation transcript:

General Overview of System Subject’s step Motion Capture Ground Reaction Forces EMG Sensors Data Acquisition Value A Value B Calculated Values Value X … Inverse Dynamics Kinematics Data Processing Value A Value B Desired Values Value X … Sensor 1 Sensor 2 Feedback Calculation Sensor N … Delay 1 Sensor 1 Sensor 2 Sensor Feedback Sensor N … … Delay 2 Delay N Feedback Rules Sensor 1 Sensor 2 Sensor N … Delay

General Overview of System with Learning Subject’s step Motion Capture Ground Reaction Forces EMG Sensors Data Acquisition Value A Value B Calculated Values Value X … Inverse Dynamics Kinematics Data Processing Value A Value B Desired Values Value X … Sensor 1 Sensor 2 Feedback Calculation Sensor N … Delay 1 Sensor 1 Sensor 2 Sensor Feedback Sensor N … … Delay 2 Delay N Feedback Rules Sensor 1 Sensor 2 Sensor N … Stored Calculated Values Database Stored Desired Values Stored FB Rules Delay

Proposed System Overview for OA Study Subject’s step Motion Capture Ground Reaction Forces EMG Sensors Data Acquisition Ankle Angle Knee Position Calculated Values Trunk Sway Inverse Dynamics Kinematics Data Processing Delay 1 Delay 2 Delay 5 Vis. Display EMG 1-4 Knee Vibration Motors (2) Feedback Calculation Foot Vibration Motors (2) Skin Stretch Audio FB Vis. Display EMG 1-4 Knee Vibration Motors (2) Feedback Rules Foot Vibration Motors (2) Skin Stretch Audio FB Vis. Display EMG 1-4 Knee Vibration Motors (2) Sensor Feedback Foot Vibration Motors (2) Skin Stretch Audio FB Delay 4 Delay 3 Step frequency Stride Length Muscle Activiation Ankle Angle Knee Position Desired Values Trunk Sway Step frequency Stride Length Muscle Activiation Delay

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