人－自転車系のシミュレーション解析（骨盤動作の影響）

抄録

In this study, pedaling motion was analyzed using a simulation model of a human-bicycle system. Pedaling motion was expressed by human body’s joint motion. In simulation, the joint motion was determined to satisfy geometric condition. And the pedaling motion was performed by PID control of the human body’s joints. First, with respect to the PID control, a target motion at the knee joint was changed to adjust knee joint power. As a result, it was confirmed that the simulator can reproduce results of a literature. From these results, it was considered that a difference in the way of pedaling can be expressed by changing the target joint motion, although there was a delay in the PID control. Next, another simulation considering the influence of a pelvis movement was conducted. It was assumed that the hip joint position draws an elliptical orbit in the sagittal plane. The rotation center of the pelvis was a middle point of the hip joints. The pelvis moved by PID control of the human body’s joints. As a result, it was suggested that pelvis movement and upper body movement were effective in reducing the knee joint power.