Optimizing partial component activation policy in multi-attempt missions

G Levitin, L Xing, Y Dai - Reliability Engineering & System Safety, 2023 - Elsevier
Active redundancy is an effective technique for improving the mission success probability.
However, more components simultaneously performing the mission implies higher cost and …

Co-optimizing component allocation and activation sequence in heterogeneous 1-out-of-n standby system exposed to shocks

G Levitin, L Xing, Y Dai - Reliability Engineering & System Safety, 2023 - Elsevier
Motivated by real-world applications of cloud computing and unmanned aerial vehicles
(UAVs), this paper models a heterogeneous 1-out-of-n standby system with n components …

Standby mode transfer schedule minimizing downtime of 1-out-of-N system with storage

G Levitin, L Xing, Y Dai - Reliability Engineering & System Safety, 2023 - Elsevier
Mode transfers have attracted attention from the standby system community as they can
effectively reduce system downtime. However, the existing models are not applicable to …

Predetermined standby mode transfers in 1-out-of-N systems with resource-constrained elements

G Levitin, L Xing, Y Dai - Reliability Engineering & System Safety, 2023 - Elsevier
It has been shown that mode transfers can effectively balance the resource consumption
and restoration time of standby systems. However, the existing methods assumed unlimited …

Optimizing uploading and downloading pace distribution in system with two non-identical storage units

G Levitin, L Xing, Y Dai - Reliability Engineering & System Safety, 2023 - Elsevier
This paper, for the first time, models and optimizes the uploading and downloading pace
distribution in a production-dual storage system that must supply a certain demand during a …

Unrepairable system with consecutively used imperfect storage units

G Levitin, L Xing, Y Dai - Reliability Engineering & System Safety, 2022 - Elsevier
Product storage is a crucial component of some engineering or technological systems.
Considering storage in the system reliability analysis has recently attracted research …

Unrepairable system with single production unit and n failure-prone identical parallel storage units

G Levitin, L Xing, Y Dai - Reliability Engineering & System Safety, 2022 - Elsevier
Despite the crucial role of product storage played in the operation of real-world systems,
only very few reliability studies have considered this component in the system reliability …

Minimizing mission cost for production system with unreliable storage

G Levitin, L Xing, Y Dai - Reliability Engineering & System Safety, 2022 - Elsevier
Considerable research efforts have recently been devoted to the reliability analysis and
optimization of production systems with product storage. The existing models, however …

Allocation and activation of resource constrained shock-exposed components in heterogeneous 1-out-of-n standby system

G Levitin, L Xing, Y Dai - Reliability Engineering & System Safety, 2024 - Elsevier
In real-world mission-critical applications like unmanned aerial vehicles (UAVs), the standby
sparing design method is typically applied to enhance the mission success probability …

Consecutively connected systems with unreliable resource generators and storages

G Levitin, L Xing, Y Dai - Reliability Engineering & System Safety, 2024 - Elsevier
Motivated by real-world applications like wireless sensor networks powered by photovoltaic
sources, this paper models a linear consecutively connected system whose nodes form a …