层次化UML状态机在拆装过程仿真中的应用

Hierarchical Analysis and UML State Machine in Disassembly and Assembly Process Simulation

针对目前飞机维修培训中拆装流程复杂,系统模型繁多的问题,采用层次化分析法和UML状态机相结合的建模方法,建立飞机组件的拆装过程模型。运用UML状态机建立拆卸组件的状态、迁移和约束模型,规范拆卸零部件模型的统一性表达,提高建模的效率。利用层次化方法对零部件进行层次规划,实现拆卸目标组件的有序逻辑表述,实时监测拆卸零部件的状态,从而建立仿真程度高的训练模型。最后,以维修培训平台中飞机某组件的拆装为例,验证层次化UML状态机拆卸过程仿真方法的有效性。

To address the problems of non-simple disassembly and assembly procedure, enormous system models in the Aircraft Maintenance Training System, a process modeling method, combining UML state machine and hierarchical analysis, is presented. UML state machine is used to build models of the state, migration and constraints of the components, to unify specification expression of component model, and to improve the efficiency of modeling. The Hierarchical analysis is used to achieve a logical and orderly presentation. Through real-time monitoring the parts, a high degree of simulation training model is established. Final adoption of virtual disassembly of some Aero-component indicates that the method is feasible.