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

Abstract：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.

Keyword：monitor and control system; anti-interference measures;