摘要： 在状态图表示信息物理融合系统的状态转移时,无法清晰描述组件间的相互影响关系,造成该系统处理效能低下。为此,提出一种状态转移的分层表示方法。将状态转移分为组件间影响层和状态转移层,在组件间影响层,用有向图表示组件间的影响关系,使用状态转移层表示组件的状态转移,并进行汽车协同自适应巡航控制实验。实验结果表明,与状态图表示方法相比,该方法根据两车之间的距离和速度差自适应调整加速度,能使汽车更快地进入巡航状态。

关键词: 计算进程, 状态转移, 分层表示, 数据流向图, 事件

Abstract: The state diagram is unable to clearly describe the interaction between components during state transition in Cyber Physical System,resulting in low system efficiency.In order to solve this problem,a hierarchical representation of state transition is proposed.State transition is divided into component affected layer and state transition layer.In component affected layer,directed graph is used to describe the relationship between components.State transition layer is used to describe the transition,and the experiment of automobile cooperative adaptive cruise control is performed.The experimental results show that,compared with the state chart method,the proposed method adjusts the acceleration speed adaptively according to the distance between the two vehicles and the speed difference,enabling the car to enter the cruise state faster.

Key words: calculation process, state transition, hierarchical representation, data flow diagram, event

中图分类号: 

• TP391