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 ...

Comparison of Prognostic Algorithms for Estimating Remaining Useful Life of Batteries

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

Shared By: Miryam Strautkalns

We were interested here in particular in conditions where un-modeled effects are present as manifested by the different degradation curve at 45°C. Although all algorithms ...

Precursor Parameter Identification for IGBT Prognostics

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

Shared By: Miryam Strautkalns

Precursor parameters have been identified to enable development of a prognostic approach for insulated gate bipolar transistors (IGBT). The IGBT were subjected to thermal over- ...

Prognostics Methods for Battery Health Monitoring Using a Bayesian Framework

A Publication, Prognostics CoE Publications - 12 years ago

Shared By: Miryam Strautkalns

This paper explores how the remaining useful life (RUL) can be assessed for complex systems whose internal state variables are either inaccessible to sensors or ...

Prognostics in Battery Health Management

A Publication, Prognostics CoE Publications - 12 years ago

Shared By: Miryam Strautkalns

Batteries represent complex systems whose internal state vari- ables are either inaccessible to sensors or hard to measure un- der operational conditions. This work exemplifies ...

An Overview of Selected Prognostic Technologies with Reference to an Integrated PHM Architecture

A Publication, Prognostics CoE Publications - 12 years ago

Shared By: Miryam Strautkalns

This chapter reviewed generic prognosis algorithmic approaches and introduced some of the basics associated with probabilistic predictions and a required architecture for performing prognostics on ...

Data Mining in Systems Health Management

A Publication, Prognostics CoE Publications - 12 years ago

Shared By: Miryam Strautkalns

This chapter presents theoretical and practical aspects associated to the implementation of a combined model-based/data-driven approach for failure prognostics based on particle filtering algorithms, in ...

Prognostic Performance Metrics

A Publication, Prognostics CoE Publications - 12 years ago

Shared By: Miryam Strautkalns

This chapter presents several performance metrics for offline evaluation of prognostics algorithms. A brief overview of different methods employed for performance evaluation is also included. ...

Basic Principles - Chapter 6

A Publication, Prognostics CoE Publications - 12 years ago

Shared By: Miryam Strautkalns

This chapter described at a very high level some of the considerations that need to be made when designing algorithms for a vehicle health management ...

Algorithms and their Impact on Integrated Vehicle Health Management - Chapter 7

A Publication, Prognostics CoE Publications - 12 years ago

Shared By: Miryam Strautkalns

This chapter discussed some of the algorithmic choices one encounters when designing an IVHM system. While it would be generally desirable to be able to ...

The Role of Safety in IVHM - Chapter 9

A Publication, Prognostics CoE Publications - 12 years ago

Shared By: Miryam Strautkalns

When we address safety in a book on the business case for IVHM, the question arises whether safety isn’t inherently in conflict with the need ...

Model-based Prognostics with Fixed-lag Particle Filters

A Publication, Prognostics CoE Publications - 13 years, 1 month ago

Shared By: Matthew Daigle

Model-based prognostics exploits domain knowledge of the system, its components, and how they fail by casting the underlying physical phenomena in a physics-based model that ...

Model-based Prognostics under Limited Sensing

A Publication, Prognostics CoE Publications - 13 years, 1 month ago

Shared By: Matthew Daigle

Prognostics is crucial to providing reliable condition-based maintenance decisions. To obtain accurate predictions of component life, a variety of sensors are often needed. However, it ...

Tackling Verification and Validation for Prognostics

A Publication, Prognostics CoE Publications - 13 years, 1 month ago

Shared By: Matthew Daigle

Verification and validation (V&V;) has been identified as a critical phase in fielding systems with Integrated Systems Health Management (ISHM) solutions to ensure that the ...