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> ML_RECIPE // INDUSTRIAL-IOT-PREDICTIVE-MAINTENANCE_v1.0

Industrial IoT Predictive Maintenance & Anomaly Detection

Detect early bearing wear and vibration anomalies on factory turbines 72 hours before catastrophic thermal seizure.

anomaly detectionmanufacturingApache-2.0free-oss
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Business Outcome

Detect early bearing wear and vibration anomalies on factory turbines 72 hours before catastrophic thermal seizure.

Acceptance Criteria:

Successfully triggers warning on all historical failure playback datasets.

Heuristic Baseline

Static threshold alarm: Trigger alert when peak vibration amplitude exceeds 4.5 mm/s RMS.

Baseline Evaluation:

Static vibration threshold produced 14 false alarms per month due to ambient plant resonance.

Phase 1: Prototype Path

Extract frequency-domain vibration telemetry. Fit an Isolation Forest on baseline healthy vibration data to flag outlier energy spikes.

Hardware: Standard PC

Phase 2: Production Path

Export model to ONNX format. Run sub-millisecond edge scoring on gateway IPC. Stream summary anomalies to factory SCADA and PagerDuty.

Hardware: Industrial edge PC (x86_64 or ARM64, 4GB RAM, no GPU)

Compute & Placement Topologies

Training Placement

Trained quarterly on server CPU using verified healthy operating runs

Inference Placement

Edge gateway IPC running ONNX Runtime on industrial low-power CPU

3-Plan Placement Alternatives

Plan A: Simplest Viable

Batch anomaly scoring on plant server CPU every 15 minutes via Python scikit-learn daemon.

Plan B: Hardware-Fitted

Industrial edge PC (e.g. Advantech/Siemens DIN-rail) running ONNX Runtime on embedded x86/ARM CPU.

Plan C: Production-Ready

Edge ONNX Runtime gateway with local ring-buffer fallback + centralized MLflow model registry + automated quarterly retraining pipeline on server CPU.

Recommended Libraries & Tools

★ PRIMARY TOOLscikit-learnscikit-learn Consortium / Inria
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LightGBMMicrosoft
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statsmodelsstatsmodels Developers / NumFOCUS
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ONNX RuntimeMicrosoft / Linux Foundation AI & Data
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Governance, Safeguards & Risks

Governance Safeguards:
  • Never trigger automated mechanical shutdowns solely on ML scores; route through field engineer confirmation.
  • Account for factory seasonal ambient temperature shifts in baseline data.