It is of great significance to reduce the cost and improve the product quality by using virtual verification platform to evaluate the performance of aircraft maintenance process. A virtual maintenance process modeling method is proposed for the qualitative and quantitative evaluation of ergonomics in virtual environment. Firstly, the definition of virtual maintenance scene is given, and the essential elements of virtual environment analysis are defined. Then, considering the needs of process validation and simulation analysis which are two aspects of the maintenance work, sets up “maintenance tasks — typical operation — typical action” three-layer work element decomposition model, and gives the definition of information and organization methods of various elements. Secondly, the performance evaluation process of virtual maintenance based on typical work elements is established. Finally, the effectiveness of the proposed method is verified by an example of aircraft landing gear tire maintenance.
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