基于CAN总线的高可靠成像控制系统设计

Design of High Reliability Imaging Control System Based on CAN Bus

摘要:

为了实现多套成像设备的智能化控制,设计了基于CAN总线的成像控制系统,并给出了设计中关键技术的解决方法;首先,给出了可靠性高的热备份CAN总线控制系统硬件设计原理；其次,介绍了基于FPGA的CAN总线协议芯片—SJA1000逻辑控制原理与方法；最后结合实际工程项目阐述了控制系统的工作过程;试验结果表明,该设计性能稳定、可靠性高,能够满足多台成像系统的智能化控制;设计理念和方法具有通用性,系统的可扩展性强。

Abstract:

In order to achieve intelligent control of many sets of imaging systems, this paper presents an imaging control system based on CAN bus,and introduces how to solve some problems of key technology on the design.Firstly, hardware design principle of high reliability thermal back-up CAN bus control system is given; Then, logic control principle and method of SJA1000 chip based on FPGA is introduced; Finally, combined with the actual engineering project the working process of the control system is expounded.Experimental results proved that this system has advantages of stable and reliable, which can achieve intelligent control of more than one imaging system.The concept and method of this design is versatile, so the system has good universality.