It is validated that the portable fault diagnosis system has the characteristics of a portable, easy to use, reliable performance and expandability.

经实验验证，该故障诊断系统具有便携、使用方便、性能可靠和扩展性强的特点。

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Digital signal processor (DSP) was adopted to design portable rotating air blower fault diagnosis instrument, and the system hardware structure and the software designing ideas were expounded.

以数字信号处理器DSP研制便携式旋转风机故障诊断分析仪，并详细阐述了系统的硬件结构以及软件设计思想。

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This paper mainly introduces the function of software and hardware, diagnosis example of portable condition monitoring and fault diagnosis intelligent maintenance system for production equipments.

文章介绍便携式采油设备状态监测与故障诊断智能维护系统软硬件功能和诊断实例分析。

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