Damage Propagation Modeling for Aircraft Engine Run-to-Failure Simulation

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

Shared By: Miryam Strautkalns

This paper describes how damage propagation can be modeled within the modules of aircraft gas turbine engines. To that end, response surfaces of all sensors ...

A Survey of Metrics for Performance Evaluation of Prognostics

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

Shared By: Miryam Strautkalns

Prognostics is an emerging concept in condition basedmaintenance(CBM)ofcriticalsystems.Alongwith developing the fundamentals of being able to confidently predict Remaining Useful Life (RUL), the technology calls for ...

Advances in Uncertainty Representation and Management for Particle Filtering Applied to Prognostics

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

Shared By: Miryam Strautkalns

Particle filters (PF) have been established as the de facto state of the art in failure prognosis. They combine advantages of the rigors of Bayesian ...

Distributed Prognostics System Implementation on Wireless Embedded Devices

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

Shared By: Miryam Strautkalns

Distributed prognostics is the next step in the evolution of prognostic methodologies. It is an important enabling technology for the emerging Condition Based Management/Prognostics Health ...

Standardizing Research Methods for Prognostics

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

Shared By: Miryam Strautkalns

Prognostics and health management (PHM) is a maturing system engineering discipline. As with most maturing disciplines, PHM does not yet have a universally accepted research ...

Experimental Data Collection and Modeling for Nominal and Fault Conditions on Electro-Mechanical Actuators

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

Shared By: Miryam Strautkalns

Being relatively new to the field, electromechanical actuators in aerospace applications lack the knowledge base compared to ones accumulated for the other actuator types, especially ...

Entropy-based Probabilistic Fatigue Damage Prognosis and Algorithmic Performance Comparison

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

Shared By: Miryam Strautkalns

In this paper, a maximum entropy-based general framework for probabilistic fatigue damage prognosis is investigated. The proposed methodology is based on an underlying physics-based crack ...

On Applying the Prognostic Performance Metrics

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

Shared By: Miryam Strautkalns

Prognostics performance evaluation has gained significant attention in the past few years. *As prognostics technology matures and more sophisticated methods for prognostic uncertainty management are ...

Modeling Li-ion Battery Capacity Depletion in a Particle Filtering Framework

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

Shared By: Miryam Strautkalns

This paper presents an empirical model to describe battery behavior during individual discharge cycles as well as over its cycle life. The basis for the ...

Power Management for A Distributed Wireless Health Management Architecture

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

Shared By: Miryam Strautkalns

Distributed wireless architectures for prognostics is an important enabling step in prognostic research in order to achieve feasible real-time system health management. A significant problem ...

Prognostics Enhanced Reconfigurable Control of Electro-Mechanical Actuators

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

Shared By: Miryam Strautkalns

Actuator systems are employed widely in aerospace, transportation and industrial processes to provide power to critical loads, such as aircraft control surfaces. They must operate ...

A Novel RSPF Approach to Prediction of High-Risk, Low-Probability Failure Events

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

Shared By: Miryam Strautkalns

Particle filters (PF) have been established as the de facto state of the art in failure prognosis, and particularly in the representation and management of ...

Physics of Failure Models for Capacitor Degradation in DC-DC Converters

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

Shared By: Miryam Strautkalns

This paper proposes a combined energy-based model with an empirical physics of failure model for degradation analysis and prognosis of electrolytic capacitors in DC-DC power ...

Distributed Prognostic Health Management with Gaussian Process Regression

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

Shared By: Miryam Strautkalns

Distributed prognostics architecture design is an enabling step for efficient implementation of health management systems. A major challenge encountered in such design is formulation of ...