CAN总线在舰载无线通信控制管理系统中的应用

CAN是一种能有效支持分布式控制和实时控制的串行通信网络。介绍了CAN总线的特点，并具体阐述了使用CAN总线实现舰载无线通信控制管理系统的分布式控制，通过任意一个用户终端设备可以使用任意一个信道设备；给出了CAN总线智能节点硬件电路的设计；设计中应该注意的问题；以及各智能节点间底层通信关键模块的软件流程。实验结果表明，用CAN总线实现系统的分布式控制，具有较好的实时性；系统的顽存能力得到了显著提高，系统规模更易于扩充，具有低成本性和高可靠性的优点，并且效果较为理想。CAN总线是分布式实时控制系统的理想总线，具有广阔的发展前景。

Application of CAN Bus on the Control & Management System of Ship Radio Communication

Controller area network is a kind of serial communication network that supports the distributed control and the real time control.In this paper,the characteristics of CAN bus are introduced.The realization of distributed control on the control & management system of ship radio communication with CAN bus is described concretely.Any user can control and use any equipment.Some block diagram of the design about hardware and software is brought forward.The result of experiment testifies that CAN bus has good real time performance in this system and has the strongpoint of cheapness and high realialibity.CAN bus is a perfect bus for distributed and real time control system.