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Storage Life Evaluation of Quartz Accelerometer Servo Circuit Based on Drift Brownian Movement
2018
DEStech Transactions on Engineering and Technology Research
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The evaluation method based on drift Brownian movement was proposed to evaluate the storage reliability and storage life of servo circuit. ...
Using the degradation data of servo circuit acceleration storage, the storage life of servo circuit was evaluated. ...
assessment model parameter estimates. ...
doi:10.12783/dtetr/amee2018/25322
fatcat:7rwvksceb5hlrcn54pxgpoxbcy
Remaining Useful Life and Performance Reliability Online Assessment
2013
Industrial Engineering & Management
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System remaining useful life and the performance reliability assessment are based on the system degradation with usage and aging. The degradation is a stochastic process. ...
Because of high nonlinearity of the stochastic degradation process, the online assessing usually adopts a state-space model with nonlinear stochastic filtering. ...
System remaining useful life and the performance reliability assessment are based on the system degradation with usage and aging. The degradation is a stochastic process. ...
doi:10.4172/2169-0316.1000e126
fatcat:24hicee6vffrljnb7pub2bzl5y
Reasons for Pick-Up Time Degradation and Modeling for Aerospace Relay in Storage
2016
Innovative Computing Information and Control Express Letters, Part B: Applications
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The storage degradation model of pick-up time is estimated through regression theory. ...
The research results in this paper provide the necessary theoretical method and basis for studying storage reliability and life prediction of the aerospace relay. ...
The authors also gratefully acknowledge the helpful comments and suggestions of the reviewers, which have improved the presentation. ...
doi:10.24507/icicelb.07.03.539
fatcat:2ear3q5eovehvjrlcy3nz2qkmu
Long‐term stability study of L‐adrenaline injections: Kinetics of sulfonation and racemization pathways of drug degradation
2004
Journal of Pharmaceutical Sciences
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The kinetics of the content change with storage was analyzed simultaneously for L-adrenaline and the degradation products using kinetic modeling. ...
The modeling revealed significant differences in the degradation kinetics in the formulations produced before and after 1997, whose cause remained unidentified in this study. ß ...
Ilana Rogachev (Aminolab Ltd, Nes Ziona, Israel) for her help in the identification of the adrenaline degradation product and Dr. Ivan S. ...
doi:10.1002/jps.20010
pmid:14999733
fatcat:hlzzljetyfddpmgjhkg3c46lk4
Reliability Prediction of Acrylonitrile O-Ring for Nuclear Power Applications Based on Shore Hardness Measurements
2021
Polymers
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To this aim, a reliability-based approach that allows prediction of the use-suitability of different storage scenarios (that involve different storage times and temperatures) considering the further required ...
The degradation of polymeric components is of considerable interest to the nuclear industry and its regulatory bodies. ...
Ernesto Primera wants also to thank the University of Delaware's StatLab and, especially, Chunbo Fan (Assistant Professor of Reliability and Survival Analysis). ...
doi:10.3390/polym13060943
pmid:33808625
fatcat:jelaq3xqtvarbopa3prrdd5ubm
Storage Lifetime Prognosis of an Intermediate Frequency (IF) Amplifier Based On Physics of Failure Method
2013
Chemical Engineering Transactions
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Based on the degradation trends and the failure criteria, the storage lifetime of the product can be predicted. ...
based on the new model. ...
Based on the model, the storage lifetime is predicted by using the performance data in accelerated aging test and the lifetime data. ...
doi:10.3303/cet1333187
doaj:c05eb97ed2a247fe9590054565986912
fatcat:2ey2v4cnr5gk7cq3um6p6ixqsq
Reliability modelling for the GIL subject to competing failure modes
2017
MATEC Web of Conferences
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Its reliability is assessed through analytical derivation and numerical calculation methods. And a numerical study is conducted to illustrate the implementation of the proposed model. ...
Considering that the degradation occurs only after a certain delay, i.e. there is a random degradation initiation time before the air in the GIL begins to leak, this paper presents a new reliability model ...
"Reliability analysis of long-distance ultra-high voltage GIL equipment". ...
doi:10.1051/matecconf/201713900074
fatcat:x7muyru7abf2pogjsadossv3ju
Quartz Flexible Accelerometer Stability Duration Prediction on Storage Condition Based on Accelerated Degradation Test
2013
Chemical Engineering Transactions
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the process of storage and use. ...
Based on the type and the range of the stress, the constant temperature accelerated degradation tests are conducted under different levels of the thermal stress. ...
Wang (2009) has reported a kind of reliability assessment method for the functional unit based on ADT. ...
doi:10.3303/cet1333091
doaj:be6175e9c6c741bfa1675e2376173774
fatcat:jfmhvjytbvgexfi2nzie5mycau
Accumulation of wear and tear in archival and library collections. Part I: exploring the concepts of reliability and epidemiology
2019
Heritage Science
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Wear and tear is the outcome of degradation most frequently reported in assessments of archival and library collections. ...
We show that based on reliability engineering we can decide which data related to the causes of mechanical failure should be collected during collection surveys, while using epidemiology we can develop ...
We would also like to thank the EPSRC Centre for Doctoral Training in Science and Engineering in Arts, Heritage and Archaeology (SEAHA). ...
doi:10.1186/s40494-019-0252-3
fatcat:5earlxsf65ewnari22ijacwho4
Prognostics and health management using physics-of-failure
2008
2008 Annual Reliability and Maintainability Symposium
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The method uses sensor data with models that enable in-situ assessment of the deviation or degradation of a product from an expected normal operating condition (i.e., the system's "health") and the prediction ...
AND CONCLUSIONS This paper presents a physics-of-failure based prognostics and health management approach for effective reliability prediction. ...
The life-cycle loads are monitored in-situ, and used in conjunction with PoF-based damage models to assess the degradation due to cumulative load exposures. ...
doi:10.1109/rams.2008.4925843
fatcat:xa4smz4tgnbo5kulhkgipnwkye
A Methodology for Examining System Aging Due to Interactions Between Chemically Incompatible Materials
[chapter]
2001
Ageing Studies and Lifetime Extension of Materials
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The NDE, D-test, and model results can also be used to assess statistically the reliability and performance of the overall aging population of units. ...
The system simulation model incorporates chemical reactions and gassolid transport processes, along with changes in both the surface and bulk properties of the solids. ...
ACKNOWLEDGEMENTS This paper is based on work LA-UR-99-3453 performed at the Los Alamos National Laboratory for the U.S. Department of Energy under contract DE-AC04-94AL85000. ...
doi:10.1007/978-1-4615-1215-8_47
fatcat:3tc4yexhnbffhfkcatsjdji6ua
Storage reliability assessment model based on competition failure of multi-components in missile
2017
Journal of Systems Engineering and Electronics
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How to use these data to assess the storage reliability (SR) of the whole missile is a difficult problem in current research. ...
An SR assessment model based on competition failure of multi-components in missile is proposed. ...
The third aspect is the degradation failure model based on the stochastic process. ...
doi:10.21629/jsee.2017.03.20
fatcat:ee4xabmxlvfl7goizhemdkzc7i
Cloud-enabled prognosis for manufacturing
2015
CIRP annals
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Advanced manufacturing depends on the timely acquisition, distribution, and utilization of information from machines and processes across spatial boundaries. ...
These activities can improve accuracy and reliability in predicting resource needs and allocation, maintenance scheduling, and remaining service life of equipment. ...
Peng Wang and graphic support by Dr. Zhaoyan Fan. This work has been partially supported by the US National Science Foundation under awards CMMI-1300999 and CCF-1331850. ...
doi:10.1016/j.cirp.2015.05.011
fatcat:evyrmltqljd7bcieezh6euy6wm
Physics-of-failure-based prognostics for electronic products
2009
Transactions of the Institute of Measurement and Control
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It integrates sensor data with models that enable in situ assessment of the deviation or degradation of a product from an expected normal operating condition (ie, the product's 'health') and the prediction ...
PoF-based prognostics permit the assessment of product reliability under its actual application conditions. ...
In the PoF-based prognostics approach, the life cycle loads are monitored in situ, and used in conjunction with PoF-based damage models to assess the degradation related to cumulative load exposures. ...
doi:10.1177/0142331208092031
fatcat:4qidd7noz5eynpnsfsxgxhtf7q
Review of Post-Prognostics Decision-Making in Prognostics and Health Management
2021
International Journal of Prognostics and Health Management
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Mainly, the prognostics and health management (PHM) process is based on three processes: the data acquisition and health assessment process in which sensors signals are acquired and processed, the diagnostic ...
The selected papers are subject to con- tent assessment and grouped according to the decision type. ...
The importance of those interactions offers a promising field of research in prognostics and health management. ...
doi:10.36001/ijphm.2020.v11i2.2928
fatcat:ljchziptpvcark32jpxkf6qlg4
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