Preventive replacements in real-time standby systems with periodic backups

G Levitin, L Xing, Y Dai - IEEE Transactions on Reliability, 2015 - ieeexplore.ieee.org
This paper models a real-time warm standby system that has to accomplish a specified
amount of task by a hard deadline. The system is subject to corrective replacements (CRs) …

Optimal periodic inspections and activation sequencing policy in standby systems with condition-based mode transfer

Y Dai, G Levitin, L Xing - IEEE Transactions on Reliability, 2015 - ieeexplore.ieee.org
This paper models a hybrid standby system subject to periodic inspections and condition-
based standby mode transfers during a mission. At the beginning of the mission only one …

Cold vs. hot standby mission operation cost minimization for 1-out-of-N systems

G Levitin, L Xing, Y Dai - European Journal of Operational Research, 2014 - Elsevier
It is well recognized that using the hot standby redundancy provides fast restoration in the
case of failures. However the redundant elements are exposed to working stresses before …

Optimal sequencing of warm standby elements

G Levitin, L Xing, Y Dai - Computers & Industrial Engineering, 2013 - Elsevier
Warm standby redundancy has been used as an effective design technique for improving
the reliability of a system while achieving the compromise between restoration cost and …

Optimal design of hybrid redundant systems with delayed failure-driven standby mode transfer

G Levitin, L Xing, Y Dai - IEEE Transactions on Systems, Man …, 2015 - ieeexplore.ieee.org
Standby redundancy is a design technique that has been widely adopted to enhance system
reliability and achieve fault tolerance in many critical applications. In this paper, we consider …

Reliability versus expected mission cost and uncompleted work in heterogeneous warm standby multiphase systems

G Levitin, L Xing, Y Dai - IEEE Transactions on Systems, Man …, 2016 - ieeexplore.ieee.org
This paper considers 1-out-of-N: G warm standby (WS) systems subject to multiple-phased
mission requirements, where performance, failure behavior, operation cost, replacement …

Effect of Failure Propagation on Cold vs. Hot Standby Tradeoff in Heterogeneous 1-Out-of-:G Systems

G Levitin, L Xing, H Ben-Haim… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
This paper considers 1-out-of-N: G heterogeneous fault-tolerant systems that are designed
with a mix of hot and cold standby redundancies to achieve the tradeoff between restoration …

Reliability analysis of a complex standby redundant systems

R Subramanian, V Anantharaman - Reliability Engineering & System Safety, 1995 - Elsevier
In any redundant system, the state of the standby unit is usually taken to be hot, warm or
cold. In this paper, we present a new model of a two unit standby system wherein the …

Sequencing Optimization in k-out-of-n Cold-Standby Systems Considering Mission Cost

G Levitin, L Xing, Y Dai - International Journal of General Systems, 2013 - Taylor & Francis
The k-out-of-n: G heterogeneous cold-standby system structure is a widely used fault-
tolerant system design method, where the sequence in which the different system elements …

Reliability of demand‐based warm standby systems subject to fault level coverage

Q Zhai, R Peng, L Xing, J Yang - Applied Stochastic Models in …, 2015 - Wiley Online Library
For mission‐critical or safety‐critical systems, redundancy techniques are often applied to
satisfy the stringent reliability requirements of the system design. Warm standby sparing is a …