There are two driving modes used to control virtual human during the process of virtual maintenance simulation. One mode that is called immersion simulation is to use virtual reality device, and the other mode that is not immersion simulation is to use algorithm. The two methods have different limitation, so in order to create maintenance simulation efficiently, the method of mixing control and the structure of implement was presented. The system generates motion of virtual human mainly by algorithm while virtual reality device was also used partly to avoid some complicated algorithms, and the aim is to integrate the two driving modes efficiently in the process of virtual maintenance simulation. The mixing system structure were described and the transferring mechanism between algorithm control and virtual reality device control were presented. At the end a case was applied. On current conditions, the mixing control provides an effective tool for maintenance simulation.
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