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Title: Methods And Systms For Analyzing The Degradation And Failure Of Mechanical Systems

Abstract

Methods and systems for identifying, understanding, and predicting the degradation and failure of mechanical systems are disclosed. The methods include measuring and quantifying stressors that are responsible for the activation of degradation mechanisms in the machine component of interest. The intensity of the stressor may be correlated with the rate of physical degradation according to some determinable function such that a derivative relationship exists between the machine performance, degradation, and the underlying stressor. The derivative relationship may be used to make diagnostic and prognostic calculations concerning the performance and projected life of the machine. These calculations may be performed in real time to allow the machine operator to quickly adjust the operational parameters of the machinery in order to help minimize or eliminate the effects of the degradation mechanism, thereby prolonging the life of the machine. Various systems implementing the methods are also disclosed.

Inventors:
 [1];  [2];  [1];  [2];  [2]
  1. Kennewick, WA
  2. Richland, WA
Issue Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
OSTI Identifier:
879879
Patent Number(s):
6853951
Application Number:
10/316199
Assignee:
Battelle Memorial Institute (Richland, WA)
Patent Classifications (CPCs):
G - PHYSICS G05 - CONTROLLING G05B - CONTROL OR REGULATING SYSTEMS IN GENERAL
DOE Contract Number:  
AC06-76RL01830
Resource Type:
Patent
Country of Publication:
United States
Language:
English

Citation Formats

Jarrell, Donald B, Sisk, Daniel R, Hatley, Darrel D, Kirihara, Leslie J, and Peters, Timothy J. Methods And Systms For Analyzing The Degradation And Failure Of Mechanical Systems. United States: N. p., 2005. Web.
Jarrell, Donald B, Sisk, Daniel R, Hatley, Darrel D, Kirihara, Leslie J, & Peters, Timothy J. Methods And Systms For Analyzing The Degradation And Failure Of Mechanical Systems. United States.
Jarrell, Donald B, Sisk, Daniel R, Hatley, Darrel D, Kirihara, Leslie J, and Peters, Timothy J. Tue . "Methods And Systms For Analyzing The Degradation And Failure Of Mechanical Systems". United States. https://www.osti.gov/servlets/purl/879879.
@article{osti_879879,
title = {Methods And Systms For Analyzing The Degradation And Failure Of Mechanical Systems},
author = {Jarrell, Donald B and Sisk, Daniel R and Hatley, Darrel D and Kirihara, Leslie J and Peters, Timothy J},
abstractNote = {Methods and systems for identifying, understanding, and predicting the degradation and failure of mechanical systems are disclosed. The methods include measuring and quantifying stressors that are responsible for the activation of degradation mechanisms in the machine component of interest. The intensity of the stressor may be correlated with the rate of physical degradation according to some determinable function such that a derivative relationship exists between the machine performance, degradation, and the underlying stressor. The derivative relationship may be used to make diagnostic and prognostic calculations concerning the performance and projected life of the machine. These calculations may be performed in real time to allow the machine operator to quickly adjust the operational parameters of the machinery in order to help minimize or eliminate the effects of the degradation mechanism, thereby prolonging the life of the machine. Various systems implementing the methods are also disclosed.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2005},
month = {2}
}

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