Electronic Journal Reliability: Theory & Applications (ISSN 1932-2321) has been published by Gnedenko Forum since January 2006.

The Journal covers various areas of risk analysis (reliability, safety, security, survivability, antiterrorism defensive ability, quality control, reliability testing, queuing models, and other related topics). Reliability: Theory & Applications (ISSN  1932-2321) is a peer-reviewed journal for researchers and practitioners who are involved in risk analysis and reliability engineering. The Journal will publish high-quality papers covering foundational, theoretical, methodological, and practical issues relevant for the safe and reliable design and operation of engineering systems from any industrial sector.


Theoretical and applied papers, reviews, memoirs, and bibliographical material on the topics are subjects of publication. Pure theoretical papers should contain new problems and/or new solutions and outline practical applications, but should not be overloaded with clumsy formal material. Priority is given to clear practical applications and case studies. Papers presented for publication are directed to members of the Editorial Board for review. The only exception is made for papers presented by Associate Editors who can personally recommend papers for publication.


Publication in Electronic Journal Reliability: Theory & Applications (ISSN 1932-2321) is equal to publication in other international scientific journals.


Important aspects include:

  • Systems reliability assessment (including Hazard analysis, Failure analysis, Reliability modeling and analysis, Maintainability analysis, Maintenance modeling, planning, scheduling and optimization, Repairable systems analysis, Availability modeling and analysis, Physics of failure, Reliability test planning/Reliability assurance programs);

  • Accelerated tests modeling and statistical analysis (including degradation and life tests modeling);

  • Operations research (including Queuing modeling and analysis, Stochastic networks, Financial and Insurance mathematics, Service system reliability, Integrated logistics modeling and support, Optimization methods);

  • Risk analysis methods (including Application of risk and reliability analyses in Engineering, Resilience analysis and engineering, Security and Vulnerability, Critical infrastructure vulnerability assessment and safety, Meta-models for risk and reliability analysis);

  • Human health and reliability (including Systems health monitoring, Degradation modeling, Fault diagnostics, Fault prognostics, Life cycle costs);

  • Uncertainty and sensitivity analysis (including Expert judgments;

  • Software production (including in reliability, insurance and finance, Safety critical software;

  • Big data collection and analysis (including Reliability data, Accident analysis/Incident reporting);

  • Advanced simulation techniques for risk and reliability analysis

and others.


Reliability: Theory & Applications is fully peer reviewed and become a member of the community of the Committee on Publication Ethics (COPE).


You can SUBMIT YOUR PAPER (testing mode) or by e-mail Managing Editors

(Alexander Bochkov <a.bochkov@gmail.com>Ekaterina Gnedenko <kotikusa@gmail.com>). Please, read some instructions before submit your manuscript.



About Journal



  86 Governors Ave,

  Medford MA

  02155, USA


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Journal Title 

  Reliability: Theory & Applications



  Volume 1 / 2006 - Volume 12 / 2017


Online ISSN 




  Gnedenko Forum




- Systems reliability assessment

- Risk analysis methods

- Uncertainty and sensitivity analysis

- Expert judgments

- Resilience analysis and engineering

- Hazard and failure analysis

 -Maintenance (reliability) modelling


and other






Current Issue

Yastrebenetsky M.


In anniversary of professor Alexander Solov’ev


Professor Alexander Dmitrievich Solov’ev (1927-2001), professor of Lomonosov Moscow State University, was one of the founders of reliability theory, author the classical books, the nearest colleague of academic Boris Gnedenko. Aim of this short article- to mark   90-th birth anniversary of Alexander Solov’ev.  


Key words: reliability theory, mathematical methods, Solov’ev



Krishnamoorthy A., Vishnevsky V., Manjunath A. S., Dhanya Shajin


Single server queues with several services


A service station offers several services of which one is the required and the others are harmful (or destructive) for each customer. At the time when selected for service customers enter in correct mode of service according to a Bernoulli process with parameter  which is the probability of being selected in correct mode. Arrival follows Markovian arrival process and service time is Phase type distributed in both undesired and required phases. An exponentially distributed threshold clock starts ticking if a customer enters to incorrect mode and the service is terminated if the clock realizes before the customer is transferred to correct service mode. The rate of loss of customers, rate of customers leaving with correct service starting with incorrect service are computed. Authors examined a queueing model offering  distinct services to which arrival is according to a  forming a single line. Service time has phase type distribution. A single server serves the customers. The service station provides two types of services - one is desirable and other is unwanted for each customer. If the service starts in an undesirable state then a clock also simultaneously starts ticking. In case this clock realizes before the exact requirement of the server is realized, then that customer leaves the system forever without being eligible for the service that he actually requires. On the other extreme, in case the correct identification of required service occurs before realization of clock, then the customer is served in that state and then leaves the system. In case right at the beginning of service the exact requirement of service is identified, then the customer starts getting that service right at the time when taken for service. Several system performance measures are evaluated. Applications of the model in hospital, telecommunication etc are indicated. Stochastic decomposition of the system state is analyzed. Some particular cases are indicated.


Keywords: desired/undesired service states, random threshold clock, Markovian arrival process


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