| 摘要 |
PROBLEM TO BE SOLVED: To use an apparatus capable of keeping a normal posture, and of reducing the difficulty of freely moving the head, and to use an advanced helmet-mount display involving a big mass in an aircraft maneuvering at high acceleration, to solve such a problem as lowering of the muscular power supporting the head during a long-term stay in the weightless state, to provide a means for training by reproducing the weightless state on the earth, and also to provide rehabilitation and training for the muscular power supporting the head. SOLUTION: This apparatus is a booster giving a variable force and is an apparatus having control arms 2, 3, 4 to input the head position and output the force applied on the head, and translation parts 6, 7; whereby the head position is grasped by an arithmetic processing part 9, inputs from an external equipment are added according to the use circumstances, and moment of each of 6 axes and the force applied on the each axis are controlled according to conditions to be gained.
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