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Service & Maintenance · Service
ML for Engineering / Physics-informed & Hybrid ML
Hybrid service-condition models
Research Support low effect
Core capability
Because the model is constrained by physics as well as data, it can produce results that are more trustworthy in engineering contexts than purely data-driven models alone.
How it works
The model is trained not only to match historical data but also to respect physical laws, which helps reduce unrealistic outputs and makes the results more trustworthy in engineering applications.
Application here
Models combine physics knowledge with field data to predict degradation more reliably, even when operational history is limited.
Business impact
This can improve service planning accuracy for assets with sparse data by compensating with physical knowledge.
Limitations
It requires a rare mix of physics and data-science expertise. Wrong physics assumptions can make predictions worse rather than better.
In production
This is already valuable when pure machine learning is too unreliable but full first-principles simulation is too slow or difficult to operationalize.
Research
The frontier is toward systems that can recover or refine the hidden rules of a process from measurement data, making advanced modeling possible even when the full physics is not already written down.
Examples
A physics-informed machine learning framework for predictive maintenance applied to turbomachinery assets
Description: Baker Hughes applied a hybrid ML framework combining data-driven anomaly detection on sensor data with physics-based failure mode modeling and risk assessment to predict degradation in gas turbines, enabling shift from preventive to predictive maintenance with improved accuracy on fleet data over years.



Physics-informed Machine Learning
Description: PNNL deployed physics-informed neural networks for subsurface fluid flow modeling at Hanford Site, using physics constraints with sparse measurements to estimate fluid states and parameters, aiding industrial cleanup by reducing data needs for reliable degradation-related predictions.
https://journal.gpps.global/A-physics-informed-machine-learning-framework-for-predictive-maintenance-applied,134845,0,2.htmlhttps://www.pnnl.gov/explainer-articles/physics-informed-machine-learning
Sources
GE Vernova APM — ; Raissi et al., PINNs —
https://www.gevernova.com/software/products/apmhttps://doi.org/10.1016/j.jcp.2018.10.045