At IMOS, our research encompasses both methodological contributions and practical applications in Prognostics and Health Management. Our methodological advancements span across diverse fields such as PHM, computer vision, and signal processing, while our applications address various domains, including energy and transportation. Through our work, we strive to bridge the gap between theoretical developments and real-world challenges.
Methodological Contributions
List of all Publications
From physics to machine learning and back: Part I – Learning with inductive biases in prognostics and health management (PHM)
O. Fink; V. Sharma; I. Nejjar; L. Von Krannichfeldt; S. Garmaev et al.
Reliability Engineering and System Safety. 2026. Vol. 271, p. 112213. DOI : 10.1016/j.ress.2026.112213. Time-Vertex machine learning for optimal sensor placement in temporal graph signals: Applications in structural health monitoring
K. Faghih Niresi; J. Qing; M. Zhao; O. Fink
Reliability Engineering and System Safety. 2026. Vol. 270, p. 112153. DOI : 10.1016/j.ress.2025.112153. Uncertainty-guided alignment for unsupervised domain adaptation in regression
I. Nejjar; G. Frusque; F. Forest; O. Fink
Reliability Engineering & System Safety. 2026. Vol. 270. DOI : 10.1016/j.ress.2025.112143. Loc2: Interpretable Cross-View Localization via Depth-Lifted Local Feature Matching
Z. Xia; C. Xu; A. Alahi
2026. The Fourteenth International Conference on Learning Representations, Rio de Janeiro, Brazil, 2026-04-23 – 2026-04-27. Heterogeneous Graph Neural Networks for Short-term State Forecasting in Power Systems across Domains and Time Scales: A Hydroelectric Power Plant Case Study
R. Theiler; O. Fink
Machine Learning: Engineering. 2026. DOI : 10.1088/3049-4761/ae565c. Integrating Physics-based and Data-driven Approaches for Probabilistic Building Energy Modeling
L. Von Krannichfeldt; K. Orehounig; O. Fink
ENERGY AND BUILDINGS. 2026. Vol. 353. DOI : 10.1016/j.enbuild.2025.116838. From Physics to Machine Learning and Back: Part II – Learning and Observational Bias in Prognostics and Health Management (PHM)
O. Fink; I. Nejjar; V. Sharma; K. F. Niresi; H. Sun et al.
Reliability Engineering & System Safety. 2026. DOI : 10.1016/j.ress.2026.112376. A physics-informed graph neural network conserving linear and angular momentum for dynamical systems
V. Sharma; O. Fink
Nature Communications. 2026. DOI : 10.1038/s41467-025-67802-5. TARD: Test-time Domain Adaptation for Robust Fault Detection under Evolving Operating Conditions
H. Sun; O. Fink
Reliability Engineering & System Safety. 2026. DOI : 10.1016/j.ress.2025.112135. Advances in Multimodal Adaptation and Generalization: From Traditional Approaches to Foundation Models
H. Dong; M. Liu; K. Zhou; E. Chatzi; J. Kannala et al.
IEEE Transactions on Pattern Analysis and Machine Intelligence. 2026. p. 1 – 20. DOI : 10.1109/tpami.2026.3651319. Algorithm-informed graph neural networks for leakage detection and localization in water distribution networks
Z. Zhang; O. Fink
Reliability Engineering and System Safety. 2026. Vol. 265, p. 111494. DOI : 10.1016/j.ress.2025.111494. Interpretable prognostics with concept bottleneck models
F. Forest; K. Rombach; O. Fink
Information Fusion. 2025. Vol. 124, p. 103427. DOI : 10.1016/j.inffus.2025.103427. Equi-Euler GraphNet: An equivariant, temporal-dynamics informed graph neural network for dual force and trajectory prediction in multi-body systems
V. Sharma; R. T. Oddon; P. Tesini; J. Ravesloot; C. Taal et al.
Mechanical Systems and Signal Processing. 2025. Vol. 241, p. 113533. DOI : 10.1016/j.ymssp.2025.113533. Classifier-free diffusion-based weakly-supervised approach for health indicator derivation in rotating machines: Advancing early fault detection and condition monitoring
W. Hu; G. Frusque; T. Wang; F. Chu; O. Fink
Reliability Engineering and System Safety. 2025. Vol. 264, p. 111397. DOI : 10.1016/j.ress.2025.111397. Explainable AI guided unsupervised fault diagnostics for high-voltage circuit breakers
C. C. Hsu; G. Frusque; F. Forest; F. Macedo; C. M. Franck et al.
Reliability Engineering and System Safety. 2025. Vol. 263, p. 111199. DOI : 10.1016/j.ress.2025.111199. Thermoxels: a voxel-based method to generate simulation-ready 3D thermal models
E. Chassaing; F. Forest; O. Fink; M. Mielle
Journal of Physics: Conference Series. 2025. Vol. 3140, num. 4. DOI : 10.1088/1742-6596/3140/4/042003. Weighted Sum-Rate Maximization for Beamforming Design Using Minorization-Maximization: Convergence Rate and Deep Unfolding
Z. Yang; Z. Zhang; Z. Zhao
2025. 33rd European Signal Processing Conference, Palermo, Italy, 2025-09-08 – 2025-09-12. p. 2457 – 2461. DOI : 10.23919/eusipco63237.2025.11226730. Combining physics-based and data-driven modeling for building energy systems
L. Von Krannichfeldt; K. Orehounig; O. Fink
Applied Energy. 2025. Vol. 391, p. 125853. DOI : 10.1016/j.apenergy.2025.125853. Learning physics-consistent material behavior from dynamic displacements
Z. Han; M. Pundir; O. Fink; D. S. Kammer
Computer Methods in Applied Mechanics and Engineering. 2025. Vol. 443, p. 118040. DOI : 10.1016/j.cma.2025.118040. Integrating Physics and Topology in Neural Networks for Learning Rigid Body Dynamics
A. Wei; O. Fink
NATURE COMMUNICATIONS. 2025. Vol. 16, num. 1. DOI : 10.1038/s41467-025-62250-7.