Model-based Prognostics with Concurrent Damage Progression Processes

A Publication, Prognostics CoE Publications - 11 years, 9 months ago

Shared By: Miryam Strautkalns

Model-based prognostics approaches rely on physics-based models that describe the behavior of systems and their components. These models must account for the several different damage ...

A Model-Based Prognostics Approach Applied to Pneumatic Valves

A Publication, Prognostics CoE Publications - 11 years, 9 months ago

Shared By: Miryam Strautkalns

Within the area of systems health management, the task of prognostics centers on predicting when components will fail. Model-based prognostics exploits domain knowledge of the ...

Model Adaptation for Prognostics in a Particle Filtering Framework

A Publication, Prognostics CoE Publications - 11 years, 9 months ago

Shared By: Miryam Strautkalns

One of the key motivating factors for using particle filters for prognostics is the ability to include model parameters as part of the state vector ...

Prognostication of Residual Life and Latent Damage Assessment in Lead-free Electronics Under Thermo-Mechanical Loads

A Publication, Prognostics CoE Publications - 11 years, 9 months ago

Shared By: Miryam Strautkalns

Requirements for system availability for ultra-high reliability electronic systems such as airborne and space electronic systems are driving the need for advanced heath monitoring techniques ...

Modeling, Detection, and Disambiguation of Sensor Faults for Aerospace Applications

A Publication, Prognostics CoE Publications - 11 years, 9 months ago

Shared By: Miryam Strautkalns

Sensor faults continue to be a major hurdle for sys- tems health management to reach its full potential. At the same time, few recorded instances ...

Metrics for Offline Evaluation of Prognostic Performance

A Publication, Prognostics CoE Publications - 11 years, 9 months ago

Shared By: Miryam Strautkalns

Prognostic performance evaluation has gained significant attention in the past few years.*Currently, prognostics concepts lack standard definitions and suffer from ambiguous and inconsistent interpretations. This ...

Model-based Prognostics with Concurrent Damage Progression Processes

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

Shared By: Miryam Strautkalns

Model-based prognostics approaches rely on physics-based models that describe the behavior of systems and their components. These models must account for the several different damage ...

An Integrated Approach to Battery Health Monitoring using Bayesian Regression, Classification and State Estimation

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

Shared By: Miryam Strautkalns

The application of the Bayesian theory of managing uncertainty and complexity to regression and classification in the form of Relevance Vector Machine (RVM), and to ...

A Bayesian Framework for Remaining Useful Life Estimation

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

Shared By: Miryam Strautkalns

The estimation of remaining useful life (RUL) of a faulty component is at the center of system prognostics and health management. It gives operators a ...

Health-Management Driven Control Reconfiguration Approach for Flight Vehicles

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

Shared By: Miryam Strautkalns

A prognostic system makes it possible to anticipate loss of functionality before it occurs with sufficient lead time to take actions that mitigate the impact ...

Prognostics in the Control Loop

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

Shared By: Miryam Strautkalns

The term Automated Contingency Management (ACM) has been used to describe intelligent systems capable of mission re-planning and control reconfiguration in the presence of a ...

A Survey of Artificial Intelligence for Prognostics

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

Shared By: Miryam Strautkalns

Integrated Systems Health Management includes as key elements fault detection, fault diagnostics, and failure prognostics. Whereas fault detection and diagnostics have been the subject of ...

Uncertainty Management for Diagnostics and Prognostics of Batteries using Bayesian Techniques

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

Shared By: Miryam Strautkalns

Uncertainty management has always been the key hurdle faced by diagnostics and prognostics algorithms. A Bayesian treatment of this problem provides an elegant and theoretically ...

A Comparison of Three Data-driven Techniques for Prognostics

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

Shared By: Miryam Strautkalns

In situations where the cost/benefit analysis of using physics-based damage propagation algorithms is not favorable and when sufficient test data are available that map out ...