software failure on demand probability
Conservative reasoning about epistemic uncertainty for the probability of failure on demand of a 1-out-of-2 software-based system in which one channel is "possibly perfect"
... system probability of failure on ...the probability that the system will fail on a randomly selected demand?” However there are some subtleties here that provide pitfalls for the ...the ...
26
Deriving a frequentist conservative confidence bound for probability of failure per demand for systems with different operational and test profiles
... There has been extensive research on the use of statistical methods for esti- mating software reliability using realistic operational scenarios [12, 13]. Adap- tive testing strategies have been used to estimate ...
21
Toward a Formalism for Conservative Claims about the Dependability of Software-Based Systems
... for software-based ...the probability of failure on demand (pfd) of a sub-system of a wider system, and is able to express his confidence about that claim ...
22
Modeling the probability of failure on demand (pfd) of a 1-out-of-2 system in which one channel is “quasi-perfect”
... for software-based ...particular demand, there may be a good chance that channel B will not ...critical failure (note, however, that these continuously operating systems have a different architecture ...
34
The impact of "difficulty" variation on the probability of coincident failure of diverse systems
... of failure behaviour between ...for software things seem much more ...marginal probability of failure on demand of the software, but not know how the pfd varies across demands, ...
9
Bounds on survival probability given mean probability of failure per demand; and the paradoxical advantages of uncertainty
... like software reliability assessment, which is often based on conformance to required development and verification practices, hoping that the faithful application of standard precautions offers a high enough ...
37
On the probability of perfection of Software-Based systems
... The second advantage concerns the assessment of the reliability of diverse channel software- based systems. Such fault tolerance architecture is widely used in safety-critical application, and some evidence from ...
188
Modeling software design diversity
... the software copies and sampling of their sensor inputs, or explicitly, by seeding small differences between the inputs to the ...the software running on loosely-coupled computers), for instance, it ...
26
Bounds on survival probability given mean probability of failure per demand; And the paradoxical advantages of uncertainty
... like software reliability assessment, which is often based on conformance to required development and verification practices, hoping that the faithful application of standard precautions offers a high enough ...
37
Conservative reasoning about epistemic uncertainty for the probability of failure on demand of a 1-out-of-2 software-based system in which one channel is “possibly perfect”
... of software- based systems, and has published many papers in international journals and conference proceedings and has edited several ...in software systems engineering. In 1983 he founded the Centre for ...
23
Software Reliability using SPRT: Inflection Sshaped Model
... In Classical Hypothesis testing volumes of data is to be collected and then the conclusions are drawn, which may need more time. But, Sequential Analysis of Statistical science could be adopted in order to decide upon ...
7
Modeling the probability of failure on demand (pfd) of a 1-out-of-2 system in which one channel is “quasi-perfect”
... Citation: Zhao, X., Littlewood, B., Povyakalo, A. A., Strigini, L. and Wright, D. (2017). Modeling the probability of failure on demand (pfd) of a 1-out-of-2 system in which one channel is ...
6
Deriving a frequentist conservative confidence bound for probability of failure per demand for systems with different operational and test profiles
... Permanent repository link: http://openaccess.city.ac.uk/id/eprint/15248/ Link to published version: http://dx.doi.org/10.1016/j.ress.2016.08.019 Copyright and reuse: City Research Online[r] ...
6
Risk Model For Software Development Personnel
... in software development since efficiently mitigating risks can directly reduce the cost of design, testing and implementing software projects ...cause software project failures either in terms of ...
6
Tight bound on NewHope failure probability
... the probability error analysis made in [ADPS16b], also used in the slightly different version [ADPS16a] submitted to the NIST, and show that the actual bound is much lower than what was initially ...
8
Failure Probability Under Parameter Uncertainty
... threshold. Failure probabilities can be con- trolled if a decision maker is able to set the threshold at an appropriate ...trol failure probabilities may not be ...the probability (understood as ...
36
The reliability of diverse systems: a contribution using modelling of the fault creation process
... a software product, then the product is suitable for use in a role in which the software is required to have a PFD lower than a given ...for software into "Safety Integrity Levels" (SILs), ...
33
FAILURE TO MEET THE DEMAND AS INFRINGEMENT OF ARTICLES 106(1) AND 102 TFEU: THE NOTION OF FAILURE TO THE MEET THE DEMAND
... of failure to meet the ...having demand to deliver large quantities of letters (usually ...(i.e. demand for services as such was ...week. Failure to provide such services was sufficient for ...
13
Monitoring Slope Condition Using UAV Technology
... there is a wide range in their predictability, rapidity of occurrence and movement, and ground area affected, all of which relate directly to the consequences of failure [3]. There are several types of slope ...
6
Probability Failure of Column in Steel Structure
... and probability distribution of axial load, uniaxial moments and biaxial moments in a particular column are generated by digital simulation on a selected steel frame using ETABS ...
5