介绍了一种基于ARM9的采煤机主控系统,阐述了系统实现原理与整体结构,给出了关键设备的硬件选型,论述了信息采集模块、无线收发模块、系统显示模块的硬件设计,系统应用后,提高了采煤机工作的安全性,值得推广。 This paper introduces a main control system of shearer based on ARM9, expounds the principle and the whole structure of the system, gives the hardware selection of the key equipment, discusses the hardware design of the information acquisition module, wireless transceiver module and system display module, After the system is applied, it improves the safety of shearer’s work and is worth popularizing.