| 摘要 |
In a virtual space, a digital human is connected to a movable portion of a virtual model of a product, and torque acting on each joint of the digital human when the digital human moves the movable portion is calculated in a load calculator. The load calculator calculates maximum voluntary contraction according to the angle of each joint based on the relation between the joint angle and maximum voluntary force and separates the workability degree at the time of moving the movable portion of the product into a plurality of levels based on the ratio thereof to the maximum voluntary contraction. The evaluation image generator calculates torque acting on each joint when the digital human moves the movable portion of the product and displays which level the calculated torque belongs to on the screen of the monitor unit. The muscular load when the digital human uses the product is then evaluated for assisting design of the product.
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