Prognostics CoE Publications

Physics Based Electrolytic Capacitor Degradation Models for Prognostic Studies under Thermal Overstress

A Publication, Prognostics CoE Publications - 11 years, 2 months ago

Shared By: Miryam Strautkalns

Electrolytic capacitors are used in several applications rang- ing from power supplies on safety critical avionics equipment to power drivers for electro-mechanical actuators. This makes ...

Designing Data-Driven Battery Prognostic Approaches for Variable Loading Profiles: Some Lessons Learned

A Publication, Prognostics CoE Publications - 11 years, 2 months ago

Shared By: Miryam Strautkalns

Among various approaches for implementing prognostic algorithms data-driven algorithms are popular in the industry due to their intuitive nature and relatively fast developmental cycle. However, ...

Uncertainty Representation and Interpretation in Model-based Prognostics Algorithms based on Kalman Filter Estimation

A Publication, Prognostics CoE Publications - 11 years, 2 months ago

Shared By: Miryam Strautkalns

This article discusses several aspects of uncertainty represen- tation and management for model-based prognostics method- ologies based on our experience with Kalman Filters when applied ...

A Comparison of Filter-based Approaches for Model-based Prognostics

A Publication, Prognostics CoE Publications - 11 years, 2 months ago

Shared By: Miryam Strautkalns

Model-based prognostics approaches employ domain knowledge about a system, its components, and how they fail through the use of physics-based models, derived from first principles, ...

Requirements Flowdown for Prognostics and Health Management

A Publication, Prognostics CoE Publications - 11 years, 2 months ago

Shared By: Miryam Strautkalns

Prognostics and Health Management (PHM) principles have considerable promise to change the game of lifecycle cost of engineering systems at high safety levels by providing ...

Investigating the Effect of Damage Progression Model Choice on Prognostics Performance

A Publication, Prognostics CoE Publications - 11 years, 2 months ago

Shared By: Miryam Strautkalns

The success of model-based approaches to systems health management depends largely on the quality of the underly- ing models. In model-based prognostics, it is especially ...

A Model-based Prognostics Methodology for Electrolytic Capacitors Based on Electrical Overstress Accelerated Aging

A Publication, Prognostics CoE Publications - 11 years, 2 months ago

Shared By: Miryam Strautkalns

A remaining useful life prediction methodology for elec- trolytic capacitors is presented. This methodology is based on the Kalman filter framework and an empirical degradation ...