Abstract: The real-time control of virtual character behavior is a challenge in simulating virtual exercise. A kind of virtual character running behavior control method based on real-time data-driven was proposed, the real-time data acquisition with the help of sensor was expounded, the time-series law of human body running was analyzed, the human body posture mathematics expression was modeled, and a limb movement parts and rotation degrees of freedom computing model was proposed. By use of rotation angle method, the space and time relationship of each part of human movement chains was established and the movement process frame when moving was arithmetized by use of L-θ inserted frame. By combining EonSDK, the real-time control of character running behavior was realized in Visual C++. It is proved that this control method can meet the needs of sports simulation.

Key words: virtual character, real-time data, behavior control, rotation angle