Application of Human Models in Computer Aided Design

Humanistic design is the tendency and objective of modern product design, and ergonomics is an important subject of humanistic design. Its objective of design is to solve the problems of safety, efficiency and economy, especially those concerning the efficiency, safety and healthy in body as well as in mind of the human in the system. The article refers to one ergonomics field: the pose of human being.Computer modeling of human-machine system is to create geometrical models of the product and the human, and to simulate the operating process and to display this process to the screen of the computer, and to examine whether the pose of human model is possible and comfortable. In the early stage of the product design it is necessary to have ergonomics analysis before the mass-production of the product.The result of the analysis will be used for the further improvement of the product.