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TSUNAMI



The Test Stand for Upper-body  Neuromuscular Adaptive Movement Investigation (TSUNAMI) project was initiated in an effort to study a model of motor control and adaptation of human subjects' reaching motion. The computer simulation was created to model the manner in which humans perform upper limb movements and adapt to various force field of the environment. The initial part of this project investigates the upper limb coordinations performed within the well characterized force field produced by a haptic device. The kinematic information from these motions is stored in the data collection system and studied. The second part of this project investigates the reaching motion performed within the neutral buoyancy tank, one of the most commonly used microgravity simulation environments.

TSUNAMI was designed and built at the University of Maryland, Space Systems Laboratory as a test stand to investigate the upper limb motor control and adaptation of human motor control. Hence, TSUNAMI was designed as a two degree of freedom, parallel manipulator with force application capabilities limited to the safe range of operations for interfacing with the human subjects. The system workspace covers the range of motion most often used in any arm movements, constrained within a horizontal plane.

All electronics, except for the power supply, are located in the vicinity of the manipulator but are housed in a separate waterproof box. The instructions for the test procedures are given on a flat panel display mounted on top of the manipulator.


System Information:
    Work space: 10" x 10"
    Maximum force application capabilities: fx = 4 lb, fy = 4 lb
    Cable driven, parallel manipulator

 


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