Wireless vibration sensing of industrial machine health

26 June 2013 Analogue, Mixed Signal, LSI

Analog Devices has introduced a wireless vibration sensing system that allows industrial systems operators to remotely monitor production equipment health, improve system performance and reduce maintenance costs.

The new networked system includes the ADIS16229 iSensor wireless vibration sensor node, which combines dual-axis digital MEMs (micro-electromechanical systems) acceleration sensing with advanced frequency-domain and time-domain signal processing.

The sensing system also includes the ADIS16000 gateway node, which supports up to six ADIS16229 sensors at one time using a proprietary wireless protocol, managed through an SPI interface compatible with most embedded processor platforms.

The wireless function enables the remote monitoring of equipment in hard to reach or dangerous locations, while the vibration sensing and detection node is easy to install into existing infrastructure and allows continual monitoring that can be used to evaluate equipment performance and schedule predictive maintenance.

The ADIS16229 captures shifts in equipment performance through direct analysis and reporting of the frequency-domain signature using a 512-point, real-valued FFT (fast Fourier transform), FFT magnitude averaging and programmable spectral alarms. An FFT record storage system offers users the ability to track changes over time and capture FFTs with multiple decimation filter settings.

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