Machine Health Monitoring

Background

Condition monitoring enables product quality control by detecting combinations of equipment health, such as spindle vibration frequency, engine temperature, cutting speed, and ambient parameters, such as temperature and humidity. Combined, these parameters can cause deterioration in the quality of a product output.

A historical data set that contains equipment condition records gathered through a time period (say, a year) is combined with the data bout product quality deviations and context data (for example, equipment maintenance history) from either ERP, PIMS, or DCS systems. The combined data set is then fed into advanced machine learning algorithms, which can then detect causal correlations in the incoming data records. Uncovered correlations are reflected in predictive models, which are then used to identify combinations of equipment condition and environmental parameters that can lead to product quality issues.

For example, in pulp processing some of the quality issues include deviations in the concentration of dissolved alkali.

 

The machine learning component of IoT detects hidden patterns in the data and states that a higher concentration of alkali stems from a deviation in two process parameters: reduced processing temperature and increased white liquor flow.

Innovation:

The self-powered capabilities of AMPS would provide:

  • Prolonged sensor lifetime and obviating the need for battery replacement

  • Real-time monitoring and non-interfering with existing sensors or interrogation equipment

  • Multi-modal measurements on dynamic properties, material identification, and structural health

  • Interoperability with state-of-the-art Supervisory Control And Data Acquisition (SCADA) and computational Pipeline Model (CPM) monitoring systems

Reduced 
Maintenance

Large numbers of devices in a sensor network inexorably reduce the maintenance interval. Prolonging the sensor lifetime would greatly improve scalability and autonomy. 

Low-frequency
Power

Best-in-class transducer design optimized to provide the broadest dynamic response to low-frequency or impact driven excitations found in industrial and natural environments.

Predictive
Analytics

Unschedule maintenance of various assets in transportation and energy would be mitigated with real-time monitoring and predictive analytics of structural health data. 

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