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Rotating equipment reliability

Condition monitoring across a six-machine fleet over Sparkplug B, with the bearing prognosis computed on the Edge.

v0.5.1

How it works

What it simulates

A fleet of rotating equipment: boiler feed pumps, an induced draft fan, a cooling water pump and a cooling tower fan. Six machines, 90 tags, published as Sparkplug B over MQTT.

Condition monitoring rather than process control. Bearing damage shows up first as impulsiveness in the vibration signal, not as a rise in overall level, so kurtosis and crest factor move while RMS is still normal.

  • broadband vibration, kurtosis and crest factor per machine
  • bearing temperatures, speeds and motor currents
  • a duty and standby pair, so a fault has a like-for-like control beside it

What it configures on Litmus Edge

On startup, and it removes exactly what it created when you are finished:

  • 6 DeviceHub devices on the Sparkplug B driver, 90 tags
  • 1 Digital Twin model serving all 6 machines
  • 5 multi-input Analytics groups: machine health, bearing prognosis, impulse detection, fleet reliability, live values

Scenarios you can inject

  • An outer race bearing defect on the duty pump appears in impulsiveness before it appears in overall level, with the standby pump beside it as the control
  • Lubrication loss or cavitation on the cooling water pump separates a supply problem from a hydraulic one
  • Rotor imbalance or a slipping drive belt shows how different faults occupy different parts of the same signal
rotating equipment reliability 1
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rotating equipment reliability 5

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