Mission risk control via joint optimization of sampling and abort decisions

L Yang, F Wei, Q Qiu - Risk Analysis, 2023 - Wiley Online Library
Abstract Information‐driven mission abort is an effective way to control the failure risk of
safety‐critical systems during mission executions. We investigate the optimal sampling and …

Importance Measure-based Resilience Management: Review, Methodology and Perspectives on Maintenance

H Dui, M Liu, J Song, S Wu - Reliability Engineering & System Safety, 2023 - Elsevier
In recent years, frequent natural or man-made disturbances have accelerated the study of
resilience management. As an important source of system resilience, maintenance activities …

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 …

Reliability analysis of dynamic voting phased-mission systems

C Wang, L Xing, Y Su, Q Guan, B Tang, Y Hu - Reliability Engineering & …, 2023 - Elsevier
Many computing and technological systems can be modeled as a dynamic voting phased
mission system (VPMS), which performs a pre-specified task in multiple consecutive phases …

[HTML][HTML] Review of Reliability Assessment Methods of Drone Swarm (Fleet) and a New Importance Evaluation Based Method of Drone Swarm Structure Analysis

E Zaitseva, V Levashenko, R Mukhamediev, N Brinzei… - Mathematics, 2023 - mdpi.com
Drones, or UAVs, are developed very intensively. There are many effective applications of
drones for problems of monitoring, searching, detection, communication, delivery, and …

Optimal task aborting policy and component activation delay in consecutive multi-attempt missions

G Levitin, L Xing, Y Dai - Reliability Engineering & System Safety, 2023 - Elsevier
Recent reliability literature has extended the investigation of mission abort policies for single-
attempt missions to multi-attempt missions, where the mission task may be attempted …

Phase reduction for efficient reliability analysis of dynamic k-out-of-n phased mission systems

C Wang, L Xing, J Yu, Q Guan, C Yang, M Yu - Reliability Engineering & …, 2023 - Elsevier
Many technological and computing systems deployed for critical missions, like unmanned
aerial vehicles (UAVs) and wireless sensor networks, are often designed with redundancies …

Optimal task sequencing and aborting in multi-attempt multi-task missions with a limited number of attempts

G Levitin, L Xing, Y Dai - Reliability Engineering & System Safety, 2023 - Elsevier
Mission abort policies have been investigated for both single-attempt and multi-attempt
missions in the last decade. The existing models typically assumed a single task performed …

A Reliability Framework for Safe Octorotor UAV Flight Operations

T Thanaraj, S Govind, A Roy, BF Ng… - … on Unmanned Aircraft …, 2023 - ieeexplore.ieee.org
Airworthiness of multirotor unmanned aerial vehicles is of utmost importance for ensuring
safe flight operations, especially in high-risk airspace. The propulsion system plays a critical …

Reliability Improvement of Circular k-out-of-n: G Balanced Systems through Center of Gravity

Y Cho, SM Baik, YM Ko - arXiv preprint arXiv:2305.06919, 2023 - arxiv.org
This paper considers a circular k-out-of-n: G balance system equipped with homogeneous
and stationary units. Building on previous research by Endharta et al.(Reliability …