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Article
Management
Meimei Zheng et al.
Summary: This paper investigates the joint optimization of condition-based maintenance and spare provisioning for a K-out-of-N system considering failures during inspection intervals. The authors propose an optimal joint policy by using the value iteration algorithm and compare it with two separated policies that consider part of the information. The results show that the comprehensive information is more important to the ordering decisions than the replacing decisions.
EUROPEAN JOURNAL OF OPERATIONAL RESEARCH
(2023)
Article
Engineering, Industrial
Ye Tian-yuan et al.
Summary: This paper extends the basic GO methodology to support the modeling and analysis of multi-state linear and circular consecutive-k-out-of-n systems. It defines new operators, provides their multi-state logic semantics and mapping rules to Bayesian networks, and presents a programmable process for transforming the extended model into BN and calculating reliability.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2023)
Article
Engineering, Industrial
Jinchun Zhang et al.
Summary: A novel general reliability model optimization model based on mixed redundancy strategy is proposed for k-out-of-n:G subsystems. The system reliability function is established using continuous-time Markov chain, and a pseudo-parallel genetic algorithm is designed for redundancy allocation problem optimization. Numerical analysis and comparison experiments show that the proposed model can provide higher reliability.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2023)
Article
Engineering, Industrial
Xian Zhao et al.
Summary: This paper focuses on the optimization of condition-based mission abort policies and system structure in a work system with random task arrivals. Different decision criteria are considered and corresponding abort policies are proposed. Mission reliability and system survivability are derived using recursive methods, and the objective is to minimize the expected total cost while balancing mission reliability and system survivability by jointly optimizing the abort policies and system structure.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2023)
Article
Operations Research & Management Science
Chin-Chih Chang
Summary: In this paper, an optimal maintenance policy is developed for a k-out-of-n system that operates in a random cycle. The k-out-of-n system, which requires at least k out of n independent components to function, is a crucial system in reliability engineering. The paper proposes a two-stage maintenance methodology for the system and determines the optimal number of components and preventive replacement time to minimize the mean cost rate functions. The models provided in the paper offer a more general framework for analyzing the maintenance policy of the k-out-of-n system.
ANNALS OF OPERATIONS RESEARCH
(2023)
Article
Computer Science, Interdisciplinary Applications
Lina Bian et al.
Summary: This paper conducts reliability analysis for k-out-of-n(G) systems suffering from interdependent competing failure processes. The failure of the system is determined by the number of operating components being less than k. Each component degrades linearly with time and can experience soft failure or hard failure due to random shocks. The reliability functions of the system under extreme shock model and cumulative shock model are obtained using multivariate analysis methods.
COMPUTERS & INDUSTRIAL ENGINEERING
(2023)
Article
Energy & Fuels
Mateusz Oszczypala et al.
Summary: This research paper discusses the operation process of the Honker 2000 light utility vehicles in the Polish Armed Forces transport system. The study identifies four states of the vehicle's operation process and develops a simulation model using Monte Carlo methods to analyze changes in operational states. The results show that the proposed simulation system is a useful tool in analyzing the current operation process and making forecasts.
Article
Computer Science, Interdisciplinary Applications
Shan Gao
Summary: This paper discusses the reliability analysis and bi-objective optimization problem of a redundant system with two dependent failures: common cause failure and load-sharing failure. The system includes N active components, W warm standbys, and C cold standbys, and uses a K-mixed redundancy strategy. The steady-state distribution of the system is obtained using matrix-analytic method, and the reliability functions and transient availabilities are solved using Markov renewal theory, Laplace-Stieltjes transform, and Laplace transform. Numerical experiments are conducted for sensitivity analysis, and a bi-objective optimization problem is solved using the NSGA-II algorithm for minimal expected total cost and maximal availability.
MATHEMATICS AND COMPUTERS IN SIMULATION
(2023)
Article
Statistics & Probability
Jingwen Lu et al.
Summary: This paper investigates the use of two consecutive-(1,l) or (2,k)-out-of-(2,n): F type systems that share components to study a smart street light system composed of symmetrically deployed lighting and sensing equipment on both sides of a road segment. The joint reliability of the two systems is presented using the finite Markov chain imbedding approach (FMCIA), which also introduces a new computational method for joint signatures. Compared to the direct method, the new method is not only computationally more efficient, but also provides a unified mathematical form. Numerical examples are provided to illustrate the computational process, and potential applications and extensions of the developed models and methods are mentioned.
METHODOLOGY AND COMPUTING IN APPLIED PROBABILITY
(2023)
Article
Engineering, Industrial
Tangfan Xiahou et al.
Summary: In this article, a new system structure named modular k-out-of-n system with functional dependency is studied. Bayesian network models are used to construct the structure function and a dynamic BN model is developed to update the reliability of the system. The Birnbaum importance measure of different types of components in the system is evaluated using the DBN model. A real-world case of a radar transmitter system is studied to demonstrate the effectiveness of the proposed method.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2023)
Article
Engineering, Industrial
Chaonan Wang et al.
Summary: This paper proposes an analytical modeling method based on multi-valued decision diagrams (MDD) for efficient reliability analysis of dynamic voting phased mission systems (VPMS). The suggested approach takes into consideration the changing system configurations, phase-dependent failure behavior, and statistical dependencies across phases. It offers a fast MDD generation algorithm and can be applied to systems with heterogeneous components. Examples demonstrate the applications and advantages of this approach.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2023)
Article
Engineering, Industrial
Linhan Guo et al.
Summary: This paper proposes a new availability model focusing on a multi-component series system considering suspended animation (SA) rules. Continuous-time Markov chains (CTMC) are used to avoid state explosion, and an effective algorithm for SA state transition rates is constructed. The relationships between state probabilities are used to derive metrics on reliability and availability. The model accuracy and algorithm efficiency are verified using actual engineering data and simulation.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2023)
Article
Engineering, Industrial
Shuidan Qin et al.
Summary: This paper studies the prediction intervals of off-line and online remaining useful lifetimes for the k-out-of-n load-sharing system under the equal load-sharing rule. Maximum likelihood estimators and two-stage estimators for model parameters, system reliability, and mean lifetime are proposed when each component's lifetime follows the Weibull distribution. Wald and bootstrap-type confidence intervals are developed for the model parameters. Monte Carlo simulation is used to assess the performance of the proposed prediction intervals. The simulation results show that the coverage probabilities of the proposed bootstrap-type prediction intervals are close to the nominal confidence levels even with small sample sizes. A real example is used to illustrate the proposed bootstrap-type prediction interval methods.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2023)
Article
Engineering, Industrial
Dong Xu et al.
Summary: In this work, a new dynamic k-out-of-n:G model is proposed to describe the characteristics of power supply systems in satellites or space stations. The model considers dynamic mechanisms, such as the random process of the failure threshold k and the dynamic decline rate of undamaged channels depending on k. The reliability of the system is derived analytically assuming the channel lifetime follows an exponential distribution, while a simulation method is used for other cases. The optimal redundancy of channels is proposed based on the evaluation of reliability by minimizing the weight of the power supply system under a constraint.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2023)
Article
Statistics & Probability
Mithu Rani Kuiti et al.
Summary: The note demonstrates that redundancy at the component level is superior to system level redundancy with respect to stochastic precedence order in ak-out-of-nsystem. The cases of active and cold redundancy are explored, with similar results to other stochastic orders discussed in previous literature.
COMMUNICATIONS IN STATISTICS-THEORY AND METHODS
(2022)
Article
Computer Science, Artificial Intelligence
Mani Sharifi et al.
Summary: This paper aims to minimize the expected daily inspection cost of a load-sharing system with identical components through optimizing the utilization of components and the duration of inspection intervals. A new heuristic algorithm and a genetic algorithm are used to optimize the model, and the results show that the model can reduce the cost by a maximum of 64.89% compared to other existing strategies.
KNOWLEDGE-BASED SYSTEMS
(2022)
Article
Engineering, Multidisciplinary
Eman El-Ghamry et al.
Summary: This paper evaluates the fuzzy availability and fuzzy reliability of a redundant repairable parallel warm standby system with common-cause failure. The failure time and repair time are modeled with fuzzy parameters represented by triangular membership functions. The numerical example provides analytical and graphical representations of the fuzzy availability and reliability functions of the system.
MATHEMATICAL PROBLEMS IN ENGINEERING
(2022)
Article
Engineering, Industrial
Abdossaber Peiravi et al.
Summary: This paper proposes a Continuous-Time Markov Chain model for estimating system reliability under mixed and K-mixed strategies, addressing the drawbacks of the classical model. Numerical experiments verify the accuracy and computational efficiency of the proposed model.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2022)
Article
Chemistry, Multidisciplinary
Mateusz Oszczypala et al.
Summary: This paper proposes a methodology for reliability testing of vehicles used in military transport systems. By estimating the reliability function and developing and analyzing reliability models, the neural model is found to best fit the empirical data. The proposed methodology allows for modeling reliability characteristics based on the observation of the selected group of military vehicles during the exploitation process.
APPLIED SCIENCES-BASEL
(2022)
Article
Engineering, Industrial
Congshan Wu et al.
Summary: In this paper, a consecutive -k-out-of -r-from -n subsystems: F balanced system with load sharing is proposed, and the effectiveness of the studied model and proposed method is demonstrated through numerical examples.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2022)
Article
Energy & Fuels
Mateusz Oszczypala et al.
Summary: This paper focuses on modeling the operation process of light utility vehicles in military transport systems and proposes three quantitative indicators for assessing and optimizing the availability of military vehicles. Using the theory of Markov processes and a stochastic exploitation model, the study identifies various operational states and time characteristics of the vehicles to determine their functional readiness, technical efficiency, and airworthiness. A sensitivity analysis reveals that reducing the wait time for repairs can improve the vehicle's performance indicators.
Article
Engineering, Industrial
Aliakbar Eslami Baladeh et al.
Summary: This paper introduces different approaches to deal with uncertainty in redundancy allocation problems, and proposes a novel dynamic k-out-of-n system that models possible working conditions using discrete scenarios. The proposed strategy has been demonstrated to outperform traditional methods and increase the level of system reliability without extra cost.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2022)
Article
Engineering, Industrial
K. Hamdan et al.
Summary: Weighted k-out-of-n systems are an important class of redundant systems with wide applications in reliability engineering. This paper introduces novel optimal preventive maintenance models for such systems, based on average cost and availability criteria. The cost (and availability) function is determined by the average number of failed components, relying on the mixture representation of system reliability and the notion of the system's signature.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2021)
Article
Engineering, Marine
Vladimir Rykov et al.
Summary: This article emphasizes the importance of environmental safety in the design and operation of underwater transport systems, and introduces the use of a mathematical model to support decision-making for preventive maintenance of unmanned underwater vehicles. The study investigates a preventive maintenance strategy for a k-out-of-n system, focusing on the location of failed components in the system, and proposes a new method based on the distribution of failing components. The sensitivity of decision-making about preventive maintenance to the shape of distributions and numerical examples are also discussed in the study.
JOURNAL OF MARINE SCIENCE AND ENGINEERING
(2021)
Article
Computer Science, Interdisciplinary Applications
Congshan Wu et al.
Summary: The study investigates the consecutive-k-out-of-n: F system with two performance sharing groups to analyze system structure and reliability. The system consists of n units and two common buses, with surplus performance transmitted within the same sharing group to satisfy random demand. System failure occurs due to at least k consecutive shut-down units.
COMPUTERS & INDUSTRIAL ENGINEERING
(2021)
Article
Engineering, Industrial
Chen Cheng et al.
Summary: A new reliability model for Multi-state Phased Mission Systems with redundant subsystems and performance sharing subject to Common Cause Failures (CCFs) is proposed in this study. The model utilizes Markov chain analysis and a Binary Indicator Universal Generating Function (BIUGF) method to evaluate system reliability. The effectiveness of the model is validated through applications to power supply systems.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2021)
Article
Automation & Control Systems
Hongda Gao et al.
Summary: This paper presents a generalized multistate system model that extends the consecutive-k-out-of-n system and covers three special submodels. The explicit system reliability and state distribution for each submodel are provided using the finite Markov chain imbedding method. The developed indexes and analysis method are illustrated through numerical examples.
IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS
(2021)
Article
Engineering, Industrial
Mani Sharifi et al.
Summary: This paper optimizes the periodic inspection interval for a k-out-of-n load sharing system with a mixed redundancy strategy. The proposed heuristic algorithm performs better in terms of computational time and the hybrid mixed redundancy strategy is shown to be superior to traditional strategies.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2021)
Article
Engineering, Industrial
Gregory Levitin et al.
Summary: This paper introduces a modeling and optimization approach for m-out-of-n standby systems considering preventive replacements and imperfect element activations. Probabilistic methods are used to evaluate mission success probability and expected mission cost, and two optimization problems are solved to maximize success probability and minimize mission cost.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2021)
Article
Multidisciplinary Sciences
Jaroslaw Ziolkowski et al.
Summary: The exploitation of military objects involves specific and complex processes, with readiness assessment being crucial for equipment to perform tasks. Mathematical models, including Markov models, are used in research, with examples of discrete and continuous time Markov processes presented for evaluating the readiness of technical objects.
DEFENCE SCIENCE JOURNAL
(2021)
Article
Computer Science, Information Systems
Jian Wang et al.
Summary: The MLMC method introduced in this study can effectively reduce the computational complexity of MCS, optimize the allocation of computational resources to achieve a satisfying estimation of failure probability at the minimal computational cost.
Article
Computer Science, Artificial Intelligence
Chunxiao Zhang et al.
Article
Engineering, Industrial
Chaonan Wang et al.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2020)
Article
Engineering, Industrial
Hui Wu et al.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2020)
Article
Engineering, Industrial
Mani Sharifi et al.
JOURNAL OF MANUFACTURING SYSTEMS
(2020)
Article
Engineering, Mechanical
Hao Wu et al.
JOURNAL OF MECHANICAL DESIGN
(2020)
Article
Computer Science, Interdisciplinary Applications
Omer Faruk Ugurlu et al.
SIMULATION-TRANSACTIONS OF THE SOCIETY FOR MODELING AND SIMULATION INTERNATIONAL
(2020)
Article
Engineering, Marine
Vladimir V. Rykov et al.
JOURNAL OF MARINE SCIENCE AND ENGINEERING
(2020)
Article
Computer Science, Information Systems
Xiaoliang Ling et al.
Article
Computer Science, Information Systems
Ying Chen et al.
Article
Engineering, Industrial
Lin Boliang et al.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2019)
Article
Engineering, Electrical & Electronic
Yuan Zhao et al.
IEEE TRANSACTIONS ON POWER SYSTEMS
(2019)
Article
Engineering, Industrial
Gregory Levitin et al.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2019)
Article
Medical Informatics
Jamal Maktoubian et al.
HEALTH AND TECHNOLOGY
(2019)
Article
Multidisciplinary Sciences
Mani Sharifi et al.
Article
Computer Science, Hardware & Architecture
Anna Dembinska
IEEE TRANSACTIONS ON RELIABILITY
(2018)
Article
Statistics & Probability
Yiying Zhang
STATISTICS & PROBABILITY LETTERS
(2018)
Article
Computer Science, Information Systems
Zhiwei Chen et al.
Article
Computer Science, Interdisciplinary Applications
Abdolhamid. Eshraghniaye Jahromi et al.
COMPUTERS & INDUSTRIAL ENGINEERING
(2017)
Article
Engineering, Multidisciplinary
Luis Andrade Ferreira et al.
EKSPLOATACJA I NIEZAWODNOSC-MAINTENANCE AND RELIABILITY
(2017)
Article
Computer Science, Hardware & Architecture
Ceki Franko et al.
IEEE TRANSACTIONS ON RELIABILITY
(2016)
Article
Engineering, Aerospace
Mehdi Jafari
AEROSPACE SCIENCE AND TECHNOLOGY
(2015)
Article
Engineering, Industrial
Mostafa Abouei Ardakan et al.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2014)
Article
Engineering, Industrial
M. D. Berrade et al.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2013)
Article
Engineering, Industrial
Marcio das Chagas Moura et al.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2011)
Article
Engineering, Industrial
Kuan-Yu Chen
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2007)
Article
Engineering, Industrial
PS Rajpal et al.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2006)
Article
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TL Zhang et al.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2006)
