In the TT-FPS scheduler, firstly, the master node should send synchronization message, which also introduces time-triggered mode, to set up the uniform clock benchmark in the system.

• TT-FPS调度器中主节点首先通过时间触发的方式发送同步消息,建立整个系统的统一时间基准,在接收到同步消息后,主/从节点各自均以事件触发的方式控制待传输消息发送任务的执行。