本文介绍了嵌入式实时操作系统VxWorks 及其图形开发组件WindML,阐述了车辆 导航系统的组成,提出了导航系统中人机交互界面开发的相关技术。经实验证明,该系统能够较好地满足车辆导航的要求,具有一定的应用价值。 关键词:嵌入式实时操作系统;人机交互界面;WindML Abstract:This paper introduced an embedded real-time operating system VxWorks and its graphics development module WindML.We discussed the component of the vehicular navigation system and correlative techniques of the development of the human machine intercommunion interface in this system. It has been proved that the system works well, so it has much application value. Key words:Embedded Real-time Operating System; human machine intercommunion interface; WindML