Prognostics of Power Electronics, methods and validation testbeds

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

Shared By: Miryam Strautkalns

An overview of the current results of prognostics for DC- DC power converters is presented, focusing on the output filter capacitor component. The electrolytic capacitor ...

Integrated fatigue damage diagnosis and prognosis under uncertainties

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

Shared By: Miryam Strautkalns

An integrated fatigue damage diagnosis and prognosis framework is proposed in this paper. The proposed methodology integrates a Lamb wave-based damage detection technique and a ...

Bayesian Framework Approach for Prognostic Studies in Electrolytic Capacitor under Thermal Overstress Conditions

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

Shared By: Miryam Strautkalns

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

An Efficient Deterministic Approach to Model-based Prediction Uncertainty

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

Shared By: Miryam Strautkalns

Prognostics deals with the prediction of the end of life (EOL) of a system. EOL is a random variable, due to the presence of process ...

Markov Modeling of Component Fault Growth Over A Derived Domain of Feasible Output Control Effort ...

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

Shared By: Miryam Strautkalns

This paper introduces a novel Markov process formulation of stochastic fault growth modeling, in order to facilitate the development and analysis of prognostics-based control adap- ...

Assessment of Accrued Damage and Remaining Useful Life in Leadfree Electronics Subjected to Multiple Thermal ...

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

Shared By: Miryam Strautkalns

A method has been developed for prognostication of accrued prior damage in electronics subjected to overlapping sequential environments of thermal aging and thermal cycling. The ...

A knowledge-based system approach for sensor fault modeling, detection and mitigation

A Publication, Prognostics CoE Publications - 11 years, 10 months ago

Shared By: Miryam Strautkalns

Sensors are vital components for control and advanced health management techniques. However, sensors continue to be considered the weak link in many engineering applications since ...

RSPF-based Prognosis Framework for Estimation of Remaining Useful Life in Energy Storage Devices

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

Shared By: Miryam Strautkalns

This paper presents a case study where a RSPF-based prognosis framework is applied to estimate the remaining useful life of an energy storage device (Li-Ion ...

Comparison of Two Probabilistic Fatigue Damage Assessment Approaches Using Prognostic Performance Metrics

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

Shared By: Miryam Strautkalns

A general framework for probabilistic prognosis using maximum entropy approach, MRE, is proposed in this paper to include all available information and uncertainties for RUL ...