Abstract
In this study, we quantitatively evaluate the reduction of the burden obtained by pneumatic load supporting arms that make use of the advantages of pneumatic robot and redundant arm robot. The robot was produced to support a weight of 35kg, which is half of the assumed weight of workers. It moves only up and down and support workers at various hip heights. Furthermore, myopotentials of thighs and calves of a human wearing the robot were measured. Myopotentials at relaxation, at wearing robot, at not wearing robot, and at maximum muscle strength were measured. Next, the magnitude of the muscle tone was calculated by the value of myopotential at maximum muscle strength. As a result of the evaluation, it was proved that a significant burden reduction effect can be demonstrated in 4 subjects.
