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Remaining Useful Life estimation models

Shapelet-based remaining useful life estimation.

Shapelet-based remaining useful life estimation.

... These approaches are very accurate but the knowledge of the physical degradation of the system needs to be available, which is not always the case. In addition, model-based approaches are specific to an application and ...

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An adaptive data filtering model for remaining useful life estimation

An adaptive data filtering model for remaining useful life estimation

... extrapolation-based models, RUL is made by the estimations beyond the orig- inal observation range on the basis of its relationship with training ...collaborative estimation of RULs can be carried out by ...

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Remaining useful life estimation of critical components with application to bearings.

Remaining useful life estimation of critical components with application to bearings.

... the estimation of the Remaining Useful Life (RUL) of physical systems based on their current health state and their future operating ...RUL estimation can be done by using two main ...

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Prognostic Algorithms for Condition

Monitoring and Remaining Useful Life

Estimation

Prognostic Algorithms for Condition Monitoring and Remaining Useful Life Estimation

... neural structure of the brain. The network weights and biases, which define the inter- connections between the neurons, are adapted during a training process to maximise the fit between the input and output data on ...

271

Applying the General Path Model to Estimation of Remaining Useful Life

Applying the General Path Model to Estimation of Remaining Useful Life

... Traditional reliability analysis, termed Type I prognostics, uses only failure time data to estimate a time to failure distribution (Hines et al., 2007). This class of algorithms characterizes the average lifetime of an ...

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Remaining Useful Life Estimation in Prognosis: An Uncertainty Propagation Problem

Remaining Useful Life Estimation in Prognosis: An Uncertainty Propagation Problem

... their remaining useful ...and estimation), and quantify the remaining useful life in order to aid online ...mathematical models are developed for individual components, ...

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A switching ensemble approach for remaining useful life estimation of electrolytic capacitors

A switching ensemble approach for remaining useful life estimation of electrolytic capacitors

... independent models are comparable in terms of overall accuracy: while the HDTFSSMM tends to provide more accurate RUL predictions with respect to the FSB model at the early stage of its life, the FSB model ...

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A neural network filtering approach for similarity based remaining useful life estimation

A neural network filtering approach for similarity based remaining useful life estimation

... The distinguishing difference between false positive (FP) and false negative (FN) rates deserves a special consideration for final test validation. Their percentage can be compiled to measure the consistency and ...

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Bayesian approach for remaining useful life prediction.

Bayesian approach for remaining useful life prediction.

... Data-driven models are appropriate when the physical laws of the system in operation are not ...data-driven models include the use of stochastic models such as the autoregressive (AR) model and the ...

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Intelligent Prognostic Framework for Degradation Assessment and Remaining Useful Life Estimation of Photovoltaic Module

Intelligent Prognostic Framework for Degradation Assessment and Remaining Useful Life Estimation of Photovoltaic Module

... parameter models [12] and functional models [13], have been reported in the ...physical models or mathematical models are difficult to build such that they precisely describe the mechanism of ...

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A neural network-evolutionary computational framework for remaining useful life estimation of mechanical systems.

A neural network-evolutionary computational framework for remaining useful life estimation of mechanical systems.

... This paper presents a framework for estimating the remaining useful life (RUL) of mechanical systems. The framework consists of a multi-layer perceptron and an evolutionary algorithm for optimizing ...

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A Hybrid Prognostics Approach for MEMS: from Real Measurements to Remaining Useful Life Estimation

A Hybrid Prognostics Approach for MEMS: from Real Measurements to Remaining Useful Life Estimation

... Figure 1: Prognostics and Health Management cycle. Prognostics can be done according to three main approaches: 1) model- based (also called physics-of-failure), 2) data-driven and 3) hybrid (or fusion) prognostics ...

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A hybrid prognostics approach for MEMS: From real measurements to remaining useful life estimation

A hybrid prognostics approach for MEMS: From real measurements to remaining useful life estimation

... reliability models are obtained from statistical data on representative ...These models, which are generic for all the samples, are not updated during the ...

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Effective Latent Representation for Prediction of Remaining Useful Life

Effective Latent Representation for Prediction of Remaining Useful Life

... the remaining useful life (RUL) of a machine in modern industrial ...over- estimation of the ...state-of-the-art models on the Commercial Modular Aero-Propulsion System Simulation ...
Nonlinear Stochastic Filtering for Online State of Charge and Remaining Useful Life Estimation of Lithium-ion Battery

Nonlinear Stochastic Filtering for Online State of Charge and Remaining Useful Life Estimation of Lithium-ion Battery

... Physical Models This model represents the operation of the battery through mathematical and physical ...those models can be distinguished, which are the finite number and the computational fluid dynamics ...

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An integrated bearing prognostics method for remaining useful life prediction

An integrated bearing prognostics method for remaining useful life prediction

... these models assume that the monitoring system is stable. The estimation of future degradation on past degradation is generally required a large amount of ...

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Engine remaining useful life prediction based on trajectory similarity

Engine remaining useful life prediction based on trajectory similarity

... To describe the relationship between the lubricant data and equipment status, lubricant concentration analysis model, gradient analysis model and ratio analysis model are the commonly used models. Since the ...

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A Similarity-Based Prognostics Approach for Remaining Useful Life Prediction

A Similarity-Based Prognostics Approach for Remaining Useful Life Prediction

... data-driven models are the two major prognostic approaches in the literature with their own advantages and ...on remaining useful life estimation ...

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Hybrid Prognosis Method for Remaining Useful Lifetime Estimation Considering Uncertainties

Hybrid Prognosis Method for Remaining Useful Lifetime Estimation Considering Uncertainties

... of Remaining Useful Life- time Model-based prognosis methods rely on developed models of the monitored ...These models simulate the behavior or the degradation of the particular ...

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Feed Forward Backpropagation Neural Network Model to Predict Remaining Useful Life Estimation of Ion Implant Tool

Feed Forward Backpropagation Neural Network Model to Predict Remaining Useful Life Estimation of Ion Implant Tool

... equipment remaining useful life prediction is very significant for effective maintenance to improve reliability and also to reduce overall maintenance cost of the ...network models have shown ...

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