Modeling and Optimizing of Human Upper Limb Posture of Mechanical System Human-Machine Interface

Against the needs for matching analysis of mechanical system human-machine interface, a 5-DOF motion model of human upper limb used to design analysis of human-machine controlling interface was created based on the principles of anthropometry, human anatomy and robot mechanism, which can simulate movement of human upper limb and calculate the position and posture of the palm center. With the human upper limb posture as the optimizing object, an optimizing model of comfortable operation of human upper limb was built, and the best posture of comfortable operation of human upper limb can be gained by solving the model. The CATIA simulation analysis and experimental study showed that the optimizing model is reasonable and practical. Take the layout design of gear shift lever in car as an example, the corresponding comfortable posture and comfort curves were obtained through the optimizing model. The research results can provide optimizing analysis for proper match of the mechanical system human-machine controlling interface of vehicle, tractor, tank and so on, and have important technology significance for improving the amenity of mechanical system human-machine controlling interface design and human-machine work efficiency.