基于TTP协议的飞机配电系统通信仿真研究

针对飞机配电系统典型单元,建立基于时间触发的四节点控制与通信模型;实现系统典型节点的信号交互,并进行实时控制与仿真分析。以供电系统处理机(PSP)、发电机控制器和汇流条控制器的组合(GCUs+BPCU),某个负载管理中心(ELMC)、以及多个固态功率控制器(SSPCs)为四个典型节点,在研究模型节点内部控制与逻辑关系、建立消息时刻表的基础上,仿真了配电系统在双发、单发、应急情况下,汇流条和负载的自动管理。仿真结果表明,信号严格按照确定的消息时刻表传送,通信具有较高的实时性和可靠性。研究结果为时间触发协议在航空器领域的应用提供了参考。

Research on Simulation of Communication in Aircraft Power Distribution System Based on TTP Protocol

In this paper, a four- node control and communication model of typical units in aircraft power distribution system based on time- triggered protocol （TIP） is established. This model can implement sig- nal interaction between four nodes and real- time simulation analysis of the built system. Power supply system processor （PSP）, combination of generator controller units and bus power control unit （BPCU）, one electrical load management center and several solid- state power controller （SSPCs） are chosen as four typical nodes. After studying the internal control and logical relationship of nodes and building mes- sage schedule, the simulation of the power distribution system is achieved in three circumstances, normal status, single generator status, and emergency status. Simulation mainly concerns the automatic manage- ment of bus and loads. Observation indicated that signal transmission is strictly in accordance with the de- termined schedule. Research result provides a reference for application of TIP in the field of aircraft.