| 英文摘要
| In recent years, with the improvement of peopleu0027s concept of energy-saving, carbon reduction, and health and well-being, the utilization rate of bicycles has been rising. The bicycle has the functions of transportation, leisure, sports, and fitness, which are also widely used in the rehabilitation of lower limb injuries. However, improper use can also lead to wear down of joints and muscles. In order to correctly guide the pedaling posture of bicycle users and guide the design and adjustment of bicycle handlebar and seat, it is necessary to do biomechanical analysis on pedaling.
In this study, the depth camera (KINECT v2) was used, the global optimization method (GOM) and Kalman filter were added to develop an accurate and reliable 3d motion capture system, and the personalized biomechanical model of the lower limb was established in conjunction with the mechanical measurement equipment to obtain the biomechanical variables of the lower limb joints during pedaling.
This study successfully completed the development of the system, and the accuracy of the joint Angle close to Vicon can be obtained by using the method of multi-loop trajectory superposition and fitting within the rotation speed of 75RPM. |
