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The reliability of life-critical computer systems

Robert Geist, Mark Smotherman, Kishor Trivedi, Joanne Bechta Dugan
1986 Acta Informatica  
In order to aid the designers of life-critical, fault-tolerant computing systems, accurate and efficient methods for reliability prediction are needed.  ...  Methods to analyze the effects of variations in input parameters on the resulting reliability predictions are also provided.  ...  Nevertheless, the extensive reliability demands placed upon these life-critical systems (reliability >1-10 -9 ) preclude simple procedures by which we might verify that the systems possess the level of  ... 
doi:10.1007/bf00264310 fatcat:5mosr5skcbc2fhtbskbtljlkmm

Methodology for Selecting the Preferred Networked Computer System Solution for Dynamic Continuous Defense Missions

San Diego, Jeff Tian, Jerrell T.
2018 International Journal of Advanced Computer Science and Applications  
The identified set of mission requirements are aligned with existing computer system capabilities allowing them to be acquired and processed as candidates to be included as part of the preferred NCS solution  ...  The analysis and models were developed in response to the need to develop defense mission planning capability solutions by utilizing existing computer systems enabling the Department of Defense acquisition  ...  This is a critical consideration in selection of the computer systems and defining preferred NCS solution such that computer systems is unique but relevant, fits into the overall NCS, and functions as  ... 
doi:10.14569/ijacsa.2018.090604 fatcat:x255xulbpvgsrcbclrb5kzaara

Remaining Useful Life and Performance Reliability Online Assessment

2013 Industrial Engineering & Management  
This computer monitoring system, a type of online 'reliability odometer' , is capable to indicate the conditional reliability at any given time instance.  ...  Furthermore, the conditional reliability at a given time is also estimated from the system remaining useful life (RUL) assessed, which plays a critical function on system remanufacturibility in remanufacturing  ...  With the rapid development of stochastic nonlinear filtering technology and the computing speed improvement, an effective computer system for complex system online reliability and remaining useful life  ... 
doi:10.4172/2169-0316.1000e126 fatcat:24hicee6vffrljnb7pub2bzl5y

Structural durability design optimisation and its reliability assessment

Byeng D. Youn, Kyung K. Choi, Jun Tang
2005 International Journal of Product Development  
Mechanical fatigue subject to external and inertia transient loads in the service life of mechanical systems often leads to structural failure due to accumulated damage.  ...  requires the integration of several computer-aided engineering tools and large amounts of data communication and computation.  ...  Acknowledgment This research is supported by the Physics of Failure sponsored by US Army Material Systems Analysis Activity (AMSAA).  ... 
doi:10.1504/ijpd.2005.005948 fatcat:h2n2duu4tjbfrdf7qz7ff6yv7a

Page 202 of Journal of Aircraft Vol. 14, Issue 2 [page]

1977 Journal of Aircraft  
The operational life or mean time to failure of easily maintainable (‘‘renewable’’) multicomponent systems is computed on the basis of simple assumptions concerning element assemblies in the absence of  ...  The effect of scatter is provided for by the assurance of a design life (MTF of the system) that is a large multiple of the anticipated operational life.  ... 

Special Series on Harsh Chips [Guest editors' introduction]

Augusto Vega, Alper Buyuktosunoglu, Pradip Bose
2014 IEEE Micro  
The first article, "Timing Verification of Fault-Tolerant Chips for Safety-Critical Applications in Harsh Environments," examines the time predictability aspect of critical real-time embedded systems (  ...  Embedded computing has become pervasive and mobile and, as a result, many of the day-to-day devices that we use and rely on are subject to similar constraints-in some cases, with critical consequences  ... 
doi:10.1109/mm.2014.102 fatcat:iq5uzdl3cfe6rlr34hesz4sskm

Industrial Computing Systems: A Case Study of Fault Tolerance Analysis
English

Andrey A. Shchurov
2015 International Journal of Computer Trends and Technology  
On the basis of this analysis, we determine the effect of a critical increase in the system failure rate and the basic condition of its existence.  ...  Fault tolerance is a key factor of industrial computing systems design.  ...  ACKNOWLEDGMENT This research has been performed within the scientific activities at the Department of Telecommunication Engineering of the Czech Technical University in Prague, Faculty of Electrical Engineering  ... 
doi:10.14445/22312803/ijctt-v21p110 fatcat:l7ssad7jrrd6bp4foki5q6dvdi

Methods of Assuring the Functional Safety of Aircraft On-Board Instrumentation&Control Systems in Their Life Cycle

Aleksandr Kharybin, Viktoriya Pohyl
2012 Information & Security An International Journal  
on their design stage and a new method for assuring this feature during the operational stage of such systems, based on the proposed model and which consider the on-line criticality and reliability control  ...  This paper describes an approach for assuring the functional safety of perspective aircraft on-board Instrumentation & Control (I&C) systems on the basis of reconfigurable computation nodes (CN).  ...  the critical subsystems of on-board I&C systems.  ... 
doi:10.11610/isij.2824 fatcat:xoofmrgc7nektbn6ii2mm4hy2u

Page 68 of Journal of Infrastructure Systems Vol. 3, Issue 2 [page]

1997 Journal of Infrastructure Systems  
The resulting reliability can form the basis for economically evaluating the remaining life of critical fa- tigue details in miter gates. The accuracy of this assessment *Prof., Dept. of Civ.  ...  This assessment can contribute to the economic evaluation of the remaining fatigue life of critical fatigue details in gates.  ... 

A Survey: Embedded Systems Supporting By Different Operating Systems [article]

Qamar Jabeen, Fazlullah Khan, Muhammad Nouman Hayat, Haroon Khan, Syed Roohullah Jan, Farman Ullah
2016 arXiv   pre-print
In these days embedded system have an important role in different Fields and applications like Network embedded system , Real-time embedded systems which supports the mission-critical domains, mostly having  ...  This paper presents some software infrastructures that have the ability of supporting such types of embedded systems.  ...  Safety: Some embedded systems are safety critical which should not harm the human life like aircraft system, or insulin pump system which is life critical.  ... 
arXiv:1610.07899v1 fatcat:cblgxe3ol5altnuazcntevgcy4

A Reliable Model Development for Estimation of Computational Reliability

Dr. Shelbi Joseph
2018 International Journal for Research in Applied Science and Engineering Technology  
Evaluation of reliability of a computing system involves computation of hardware and software reliability.  ...  Software's and the systems that employ them have become an integral part of human life now.  ...  Computational System Reliability Computational system reliability is concerned with hardware reliability, software reliability, reliability of interaction between hardware and software and reliability  ... 
doi:10.22214/ijraset.2018.1136 fatcat:5wicopdesjbrfbin2unitspc54

Page 68 of American Society of Civil Engineers. Collected Journals Vol. 3, Issue IS2 [page]

1997 American Society of Civil Engineers. Collected Journals  
The resulting reliability can form the basis for economically evaluating the remaining life of critical fa- tigue details in miter gates. The accuracy of this assessment 'Prof., Dept. of Civ.  ...  This assessment can contribute to the economic evaluation of the remaining fatigue life of critical fatigue details in gates.  ... 

IFIP WG 13.5 Workshop on Resilience, Reliability, Safety and Human Error in System Development [chapter]

Chris Johnson, Mike Feary, Célia Martinie, Phil Palanque, Regina Peldszus
2015 Lecture Notes in Computer Science  
real-life case studies featuring success and/or failure stories of development processes that target resilient interactive systems and take into reliability, safety and human errors for interactive systems  ...  While entertainment and "standard" work interactive systems have a strong focus on usability and user experience, in the area of safety-critical systems factors like safety, reliability, fault-tolerance  ... 
doi:10.1007/978-3-319-22723-8_91 fatcat:3thaxca4snewvautnb2rho2oqu

A mixed design approach for probabilistic structural durability

X. Yu, K. K. Choi, K. -H. Chang
1997 Structural Optimization  
If the probability of the failure of the deterministic optimal design is found unacceptable, a reliability-based design approach that employs a set of interactive design steps, such as trade-off analysis  ...  and what-if study, is used to obtain a nearoptimal design that is reliable with an affordable computational cost.  ...  ACKNOWLEDGMENTS Research is supported by the Automotive Research Center sponsored by the U.S. Army Tank and Automotive Command Center.  ... 
doi:10.1007/bf01812509 fatcat:6znhv22ddrbjxdboup5jbktcde

Foreword

N. Viswanadham
1987 Sadhana (Bangalore)  
Foreword The importance of fault-tolerance and reliability issues in real-time computer control systems might easily be appreciated in the context of the ever increasing use of computers in application  ...  Such an analysis would reveal the criticality of each of the faults.  ...  In this special issue, we have three papers on performance modelling of fault-tolerant computer systems. Narayan Bhat & Kavi provide a critical overview of the approaches to reliability modelling.  ... 
doi:10.1007/bf02811308 fatcat:j26btmaytvc7jliswfgxly7ly4
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