Using a MEMS sensor for vibration monitoring
Figure 5: Vibration monitoring of an electric pump in various conditions. (Image source: STMicroelectronics)
Figure 5 provides an example for vibration monitoring of an electric pump. Different conditions, such as imbalance, looseness, output shaft, and the gearbox of the pump can be monitored using a vibration sensor. The vibration sensor data is then transmitted for further extensive analysis including a Fast Fourier Transfer (FFT) of the vibration data that can determine the individual frequency signature of these conditions.
A condition monitoring system for an electric motor can have several components in addition to the electric motor. The solution can have multiple sensors including the ones for vibration, temperature, pressure and other sensors depending on the requirements of the operating environment. The connectivity option between the pump and the processing unit can be a wired or wireless one with dedicated communication
protocols. The processing and analysis unit can provide pump diagnostics and visualization tools to help the operator proactively identify and tackle issues such as pump irregularities that could result in operational downtime and disruptions. This proactive engagement can increase a company’s profit by lowering operating and maintenance costs for the factory.
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