Results 11 to 20 of about 93,448 (292)

Novel general active reliability redundancy allocation problems and algorithm [PDF]

open access: yesReliability Engineering & System Safety, 2022
Abstract The traditional (active) reliability redundancy allocation problem (RRAP) is used to maximize system reliability by determining the redundancy and reliability variables in each subsystem to satisfy the volume, cost, and weight constraints. The RRAP structure is very simple, that is, redundant components are parallel in each subsystem, and ...
Wei-Chang Yeh   +4 more
openaire   +1 more source

Multi-Objective Model for determining Optimal Buffer Size and Redundancy-Availability Allocation Simultaneously in Manufacturing Systems [PDF]

open access: yesمدیریت صنعتی, 2019
Objective: This research was carried out with the aim of simultaneously examining the two categories of the most commonly encountered issues in the field of production and operations including the redundancy allocation and the buffers allocation.
Maghsoud Amiri   +3 more
doaj   +1 more source

Reliability optimization using hybrid genetic and particle swarm optimization algorithm [PDF]

open access: yesYugoslav Journal of Operations Research, 2022
Redundancy-allocation problem i.e. RAP is among the reliability optimization problems which make use of non-linear programming method to improve the reliability of complex system.
Dahiya Tripti, Garg Deepika
doaj   +1 more source

A Multi Objective Optimization Model for Redundancy Allocation Problem in Reparable Systems Using Multi Criteria Decision Making, Design of Experiments and Simulations Techniques [PDF]

open access: yesMuṭāli̒āt-i Mudīriyyat-i Ṣan̒atī, 2016
Reliability optimization and mean time to failure are those of the areas of interest for engineers and designers of systems and the use of redundancy components is one of the most common approaches in this field.
Parham Azimi, Farhad Hadinejad
doaj   +1 more source

Cold-standby redundancy allocation problem with degrading components [PDF]

open access: yesInternational Journal of General Systems, 2015
Components in cold-standby state are usually assumed to be as good as new when they are activated. However, even in a standby environment, the components will suffer from performance degradation. This article presents a study of a redundancy allocation problem (RAP) for cold-standby systems with degrading components.
Wei Wang, Junlin Xiong, Min Xie
openaire   +1 more source

Using NSGA II Algorithm for a Three Objectives Redundancy Allocation Problem with k-out-of-n Sub-Systems [PDF]

open access: yesJournal of Optimization in Industrial Engineering, 2016
in the new production systems, finding a way to improving the product and system reliability in design is a very important. The reliability of the products and systems may improve using different methods.
mani sharifi   +2 more
doaj   +1 more source

Reliability optimization problems with multiple constraints under fuzziness [PDF]

open access: yes, 2016
In reliability optimization problems diverse situation occurs due to which it is not always possible to get relevant vprecision in system reliability. The imprecision in data can often be represented by triangular fuzzy numbers.
Bari, Abdul, Gupta, Neha, Haseen, Sanam
core   +1 more source

Spare capacity allocation using shared backup path protection for dual link failures [PDF]

open access: yes, 2011
This paper extends the spare capacity allocation (SCA) problem from single link failure [1] to dual link failures on mesh-like IP or WDM networks. The SCA problem pre-plans traffic flows with mutually disjoint one working and two backup paths using the ...
Liu, Victor Yu, Tipper, David
core   +1 more source

Availability Maximization of Redundancy Allocation Problem (RAP) of Series-Parallel System by Considering Failure Rates and Non-Exponential Repair [PDF]

open access: yesMuṭāli̒āt-i Mudīriyyat-i Ṣan̒atī, 2020
In the present study, the redundancy allocation problem (RAP) of series-parallel system has been investigated to maximize the system's availability. To achieve the research objective, budget, weight and volume constraints, and the maximum and minimum ...
SEYYED ALI Mirnezhad   +2 more
doaj   +1 more source

Optimization of distribution of emergency resources for emergency rescue points of oil and gas pipelines [PDF]

open access: yesE3S Web of Conferences, 2021
According to the inherent characteristics of long-distance oil and gas pipelines, the optimization of emergency resources allocation can be implemented to maximize the utilization of pipeline emergency resources under a certain cost of emergency ...
Chen Y.Y., Zhang L.B., Hu J.Q., Liu Z.Y.
doaj   +1 more source

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