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Storage Life Evaluation of Quartz Accelerometer Servo Circuit Based on Drift Brownian Movement

Guang-ze PAN, Qin LUO, Xiao-bing LI, Yuan-hang WANG Yuan-hang WANG, Chuang-man HUANG
2018 DEStech Transactions on Engineering and Technology Research  
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  
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

Zhaobin Wang, Sai Fu, Shang Shang
2016 Innovative Computing Information and Control Express Letters, Part B: Applications  
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

David Stepensky, Michael Chorny, Ziad Dabour, Ilana Schumacher
2004 Journal of Pharmaceutical Sciences  
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

Alvaro Rodríguez-Prieto, Ernesto Primera, Mariaenrica Frigione, Ana María Camacho
2021 Polymers  
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

S. Hong, Z. Zhou, C. Lv
2013 Chemical Engineering Transactions  
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

Songhua Hao, Jun Yang, Bo Cheng, Yun Chen, Boyuan Cui, Bing Xu, Yinong Chen
2017 MATEC Web of Conferences  
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

D. Xu, Y. Chen, R. Kang
2013 Chemical Engineering Transactions  
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

Cristina Duran-Casablancas, Josep Grau-Bové, Matija Strlič
2019 Heritage Science  
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

Jie Gu, Michael Pecht
2008 2008 Annual Reliability and Maintainability Symposium  
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]

J. P. Deininger, J. A. Tanski
2001 Ageing Studies and Lifetime Extension of Materials  
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

Yunxiang Chen, Qiang Zhang, Zhongyi Cai, Lili Wang
2017 Journal of Systems Engineering and Electronics  
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

R. Gao, L. Wang, R. Teti, D. Dornfeld, S. Kumara, M. Mori, M. Helu
2015 CIRP annals  
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

Michael Pecht, Jie Gu
2009 Transactions of the Institute of Measurement and Control  
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

Omar Bougacha, Christophe Varnier, Noureddine Zerhouni
2021 International Journal of Prognostics and Health Management  
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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