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利用８９Ｃ５１构成的单片机系统对井下运输设备滚动轴承的振动信号进行数据采集和存贮，然后通过串通讯口传输到终端计算机进行数据处理和分析，利用合适的ＡＲ（Ｐ）时序模型参数对滚动轴承进行状态监测和故障诊断。
89C51 monolithic integrated circuit system is adopted to collect and store the vibration signals of the roller bearings of the downhole transportation equipment. The data are then transmitted to the terminal computer through the serial communication port for data processing and analysis. The appropriate bearing parameters of the AR (P) Monitoring and troubleshooting.