What question did this study set out to answer?

This review aims to address challenges in fault diagnosis and remaining useful life estimation using multimodal sensor fusion.

June 10, 2026SensorsOpen Access

From Signals to Remaining Useful Life: Multimodal Sensor Fusion for Fault Diagnosis and Prognostics—Methods, Pitfalls, and Reporting Standards

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Review synthesizes challenges and reporting standards for multimodal sensor fusion in fault diagnostics, impacting user safety.

This review aims to address challenges in fault diagnosis and remaining useful life estimation using multimodal sensor fusion.
Conducted a systematic scoping review of peer-reviewed literature on sensor modalities and fault characterization.
Extracted information on fusion architectures and validation settings, including simulation and in-field studies.
Provided practical reporting standards and reusable checklists for sensor-fusion-based prognosis.
Identified prevalent sensor faults that affect data integrity and fusion accuracy.
Categorized fault-aware fusion strategies enhancing decision-making in mechatronic systems.
Established minimum disclosure standards for improving reproducibility and comparability in the field.

Pană et al. (2026) studied this question.

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