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为了降低研究用飞行模拟器重构难度和成本,分析了模拟器最常发生的变更并进行了系统设计.采用面向对象方法构建了系统框架,使用中介者模式和外观模式将飞机模型划分成多个独立、界面清晰的系统模型.根据座舱面板硬件特点提出了基于CAN总线的一对一分布式采集系统,采用层次化策略减少了采集盒与座舱面板的耦合.设计了737系列研究型模拟器并展示了具体实现.应用结果表明,通过现有软件和硬件的复用能够有效减小飞行模拟器变更难度.
In order to reduce the difficulty and cost of reconstructing flight simulator, the most common simulator changes and system design are analyzed.The system framework is constructed by using object-oriented method and the aircraft model is divided into multi Independent and clear interface model.According to the characteristics of the cabin panel hardware, this paper proposes a one-to-one distributed acquisition system based on CAN bus.It adopts a hierarchical strategy to reduce the coupling between the acquisition box and the cabin panel.A series of 737 series research simulators And shows the concrete realization.Application results show that through the existing software and hardware reuse can effectively reduce the flight simulator to change the difficulty.