KJ93型矿井安全生产监控系统中的抗干扰技术研究

Research of the anti-interference measure of KJ93 coal mine safty monitor and control system

论述了煤矿监控系统的主要干扰源、干扰方式及其危害,提出了KJ93型矿井安全生产监控系统在硬件和软件两个方面所采用的抗干扰措施.软件方面包括保护有用数据的指令冗余技术、软件陷阱以及数字滤波技术;硬件方面包括设计电路板时应注意的抗干扰处理及看门狗等.

This paper describes the main interference sources, interference manners and their damages in mining monitor and control system. It also describes anti-interference measures for hardware and software in KJ93 coal mine safty monitor and control system. The software includes the method to use the technique of instruction-redundance,software TRAP and digital wave filter. The hardware includes the method to explain the retraint technique in designing the hardware and watchdog and some others.