Probabilistic Reliability Models

Ushakov, Igor

doi:10.1002/9781118370742

Cited by 31 publications

(18 citation statements)

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“…Gaskill and Went 1996), human errors (Dhillon and Liu 2006) and physical failures (e.g. Birolini 2007;Ushakov 2012). Moreover, the random behaviour of the entire system (robot-safety device-repair facility) could jeopardise some prescribed safety requirements, e.g.…”

Section: Introductionmentioning

confidence: 99%

Overall availability and risk analysis of a general robot–safety device system

Vanderperre¹,

Makhanov

2013

International Journal of Systems Science

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We analyse the availability of a general robot-safety device system characterised by the feature of cold standby and by an admissible risky state. In contrast to the previous literature, we allow a general failure-free time distribution for the robot and, as an example, we present computational results for Coxian failure and repair time distributions. In order to decide whether the risky state is admissible, we introduce a risk criterion based on the notion of rare events. The criterion is always satisfied in the case of fast repair.

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Section: Introductionmentioning

confidence: 99%

Overall availability and risk analysis of a general robot–safety device system

Vanderperre¹,

Makhanov

2013

International Journal of Systems Science

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“…Time redundancy [1][2][3][4][5][6] provides the system with the ability to use up some additional time (time reserve) to restore performance during operation. For systems with time redundancy, a malfunction of the system is not necessarily accompanied by a system failure, since it is possible to restore the system's operability for a reserve time.…”

Section: Introductionmentioning

confidence: 99%

Semi-Markov model of a multi-component energy system with component-wise storages

2019

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To increase the reliability and efficiency of the functioning of various purposes systems (in particular, energy systems), time redundancy is used. In this paper, a semi-Markov model of a multi- component system with component-wise storage devices, which are the sources of the time reserve, is constructed. The stationary characteristics of reliability and efficiency of the system under consideration are found. The analysis of the influence of storage capacities on the reliability and efficiency of the system is been.

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“…Time redundancy [1][2][3][4][5][6][7][8][9] is a method of improving the reliability and efficiency of systems, in which the system in the process of functioning is given the opportunity to spend some additional time (time reserve) for restoring characteristics. For systems with time redundancy, a malfunction of the system is not necessarily accompanied by a system failure, since it is possible to restore the system's operability for a standby time.…”

Section: Introductionmentioning

confidence: 99%

Analysis of reliability of systems with component-wise storages

2018

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Time redundancy is a method of increasing the reliability and efficiency of the operation of systems for various purposes, in particular, energy systems. A system with time redundancy is given additional time (a time reserve) for restoring characteristics. In this paper, based on the theory of semi-Markov processes with a common phase space of states, a semi-Markov model of a two-component system with a component-wise instantly replenished time reserve is constructed. The stationary reliability characteristics of the system under consideration are determined.

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Probabilistic Reliability Models

Cited by 31 publications

References 0 publications

Overall availability and risk analysis of a general robot–safety device system

Overall availability and risk analysis of a general robot–safety device system

Semi-Markov model of a multi-component energy system with component-wise storages

Analysis of reliability of systems with component-wise storages

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