Results 11 to 20 of about 2,997,605 (289)

Simulation and Optimization of Integrated Maintenance Strategies for an Aircraft Assembly Process [PDF]

open access: yes, 2013
In this thesis, the COMAC ARJ21 fuselage’s final assembly process is used as a case study. High production rate (i.e. number of aircraft assembled per year) with reasonable cost is the overall aim in this example.
Li, Jin
core   +7 more sources

A Periodicity Metric for Assessing Maintenance Strategies [PDF]

open access: yes, 2009
Organised by: Cranfield UniversityThe maintenance policy in manufacturing systems is devised to reset the machines functionality in an economical fashion in order to keep the products quality within acceptable levels.
ElMaraghy, H. A.   +2 more
core   +7 more sources

Comparative Analysis of the Approach of Different Countries to the Standards of the Bridge Structures’ Condition Management System

open access: yesEngineering Proceedings, 2023
The work examines the control systems of bridge structures, which are used to assess the condition, forecast repair works, and optimize costs. Bridge management is a key element of infrastructure systems in many countries, as it ensures safety ...
Anzhelika Stakhova, Adrián Bekö
doaj   +1 more source

Optimal maintenance of a spanning tree [PDF]

open access: yesJournal of the ACM, 2008
In this article, we show that keeping track of history enables significant improvements in the communication complexity of dynamic network protocols. We present a communication optimal maintenance of a spanning tree in a dynamic network. The amortized (on the number of topological changes) message complexity isO(V), whereVis the number of nodes in the ...
Baruch Awerbuch   +2 more
openaire   +2 more sources

Reliability Estimation Using EM Algorithm with Censored Data: A Case Study on Centrifugal Pumps in an Oil Refinery

open access: yesApplied Sciences, 2023
Centrifugal pumps are widely employed in the oil refinery industry due to their efficiency and effectiveness in fluid transfer applications. The reliability of pumps plays a pivotal role in ensuring uninterrupted plant productivity and safe operations ...
José Silva   +3 more
doaj   +1 more source

Dynamic Scheduling of Intelligent Group Maintenance Planning under Usage Availability Constraint

open access: yesMathematics, 2022
Maintenance, particularly preventive maintenance, is a crucial measure to ensure the operational reliability, availability, and profitability of complex industrial systems such as nuclear asset, wind turbines, railway trains, etc.
Yi Chen   +4 more
doaj   +1 more source

Maintenance Strategies to Reduce Downtime Due to Machine Positional Errors [PDF]

open access: yes, 2014
Manufacturing strives to reduce waste and increase Overall Equipment Effectiveness (OEE). When managing machine tool maintenance a manufacturer must apply an appropriate decision technique in order to reveal hidden costs associated with production ...
Longstaff, Andrew P.   +5 more
core   +4 more sources

Condition-Based Maintenance Optimization Method Using Performance Margin

open access: yesAxioms, 2023
As a maintenance strategy to reduce unexpected failures and enable safe operation, condition-based maintenance (CBM) has been widely used in recent years.
Shuyu Li   +3 more
doaj   +1 more source

An Optimal Opportunistic Maintenance Planning Integrating Discrete- and Continuous-State Information

open access: yesMathematics, 2023
Information-driven group maintenance is crucial to enhance the operational availability and profitability of diverse industrial systems. Existing group maintenance models have primarily concentrated on a single health criterion upon maintenance ...
Fanping Wei   +4 more
doaj   +1 more source

Maintenance Optimization for Two-Component Series Systems With Degradation Dependence

open access: yesIEEE Access, 2021
This paper proposes a model of maintenance optimization for a system consisting of two dependent components in long-term operation, where both components are subject to dependent degradation.
Wei-Ning Ma   +3 more
doaj   +1 more source

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