|Human motion generation is one of the most important issues in computer animation. To generate a realistic human motion, various information of body joints are needed, and dynamic gives the solution to this. However, formalizing complex human motions and solving these equations are computationally expensive. To get an interactive and realistic human motion, we made use of dynamic property which allows to use several key human motion factors. In this paper, we select four key human motion factors and propose an aggregation method using fuzzy logic. We implemented an animation system based on this method, and numerous experimental results showed that the proposed method generates an interactive and realistic human motion in real-time. Such a human motion generation can be easily adapted in virtual reality systems that make use of human animation within virtual world.