Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 42 for “"Maintenance planning"”.
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Optimal depot level maintenance planning
… Already operating on very slim budgets, the planning and management of costly depot- level maintenance for the MiAl is of concern to the Marine Corps. However, there is currently no model or other management tool available to analyze the effects of various maintenance policies. The goal of …
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Job Shop Scheduling with Flexible Maintenance Planning
… soft and hard due dates, and the integration of maintenance planning with job scheduling. Two variants of the scheduling problem are considered: The first variant makes the classic job shop assumption of infinite queueing capacity at each machine, while such queueing capacity is non-existent in …
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Optimizing the maintenance planning of infrastructure assets
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-02-04 without embargo terms
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Decision support system for risk-based inspection and maintenance planning for ship hull structures
… a decision support system for inspection and maintenance planning of ship hull structures considering the effects of repair activities performed during the different periodical inspection events through the service life of a ship. Because of the severe environmental conditions in which ships …
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New approaches to the integration of organizational maintenance and failure data during submarine maintenance planning
Planning for maintenance periods for U.S. Navy submarines is difficult due to schedule and cost constraints, operating cycles, and logistical concerns. Organizational maintenance and failure data is vital to understanding trends of failures among the various classes of submarines. This thesis …
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Reliability Analysis And Optimal Maintenance Planning For Repairable Multi-Component Systems Subject To Dependent Competing Risks
… reliability models and scheduling optimal maintenance plans for multi-component repairable systems, however, is still a big challenge when considering the dependency of component failures. Existing models commonly make prior assumptions, without statistical verification, as to whether …
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A contribution to risk-informed inspection and maintenance planning for unpiggable pipelines subject to internal corrosion
… state of knowledge in risk-based inspection and maintenance planning for upstream unpiggable pipelines subject to internal corrosion. The research focuses on unpiggable pipelines in production and gathering systems operated in the upstream oil and gas industry. A framework for probabilistic risk …
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Predictive models for pipe break failures and their implications on maintenance planning strategies for deteriorating water distribution systems
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Civil Engineering, 1986.
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Sustainable building maintenance within social housing
… the sustainability agenda with social housing maintenance decision making in order that the sustainability of existing social housing stock can be improved through planned maintenance (and refurbishment). The thesis presents the argument that the current single criterion, conditioned based …
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Leveraging Autonomous Vehicles In Transportation Asset Management
… accurate sign records support roadway safety, maintenance planning, and asset-level decision making. However, current field inventory, image-log, street-view, mobile mapping, and computer vision methods may be limited when agencies need to update sign records across roadway networks under …
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A.P.M.S. – Airport Pavement Management System – specificamente contestualizzato in aeroporti a traffico stagionale
… method for pavement condition evaluation, maintenance planning decisions and budget allocation. Also for Airports, it represents a support to improve the decision-making process allowing the prediction of the pavements’ condition in future years depending on the evolution of the traffic and …
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Human Factors in the Operation and Maintenance of Offshore Wind Farms
Current maintenance planning strategies and decision support tools used in the operations and maintenance of offshore wind farms rarely account for the welfare of technicians and their ability to do work upon arrival. This creates uncertainties especially since current operational limits might make …
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Production management model based on Lean manufacturing and SLP to optimize unproductive times in SMES in the plastics industry
… movements, machine stoppage, poor machinery maintenance planning, among others. The problem that has been identified and that occurs in the majority of SMEs in the plastics sector is low availability due to unproductive times. The objective of this article is to reduce downtime in production …
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Impact of budget uncertainty on network-level pavement condition : a robust optimization approach
… usually face budget uncertainty for pavement maintenance and rehabilitation activities due to limitation in resources and changes in government policies. Highway agencies perform maintenance planning for the pavement network commonly based on the nominal available budget without taking the …
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Scheduling optimal maintenance times for a system based on component reliabilities
… extends the work done on single component maintenance planning to a multi-component series system. An attempt is made to develop a function which represents the expected cost rate (cost per unit time) of any maintenance plan. Three increasingly complex cases are considered. The first and …
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AI-POWERED DIGITAL TWIN MODELING USING LARGE HIGHWAY INFRASTRUCTURE DATASETS
… providing useful insights in risk mitigation and maintenance planning. The research highlights the potential for AI-embedded digital twins to optimize infrastructure management, offering scalable and cost-effective solutions for assessing and maintaining critical assets. Future studies are …
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Digital Twin for Photovoltaic System Maintenance Support
… downtime through monitoring and predictive maintenance enables earlier fault detection and improved decision-making for maintenance planning. This thesis presents a modular, holonic digital twin (DT) architecture for maintenance support of industrial PV plants. The proposed architecture …
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Incorporating station related maintenance and aging outages in composite system reliability evaluation
… from service in order to conduct preventive maintenance. The removal of equipment for maintenance creates a change in the station configuration and a more vulnerable system. The failure of a related major component during a station preventive maintenance outage can result in a system …
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Characterization of the loading environment for shared-use railway superstructure in North America
… but can be used in future design and maintenance planning activities according to the anticipated traffic. This thesis will discuss the current trends in the loading environment across the North American rail network while investigating the effects of speed and other sources of …
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Machine Learning for the Condition Assessment of Concrete Bridges
… while providing more accurate data to guide maintenance planning and bridge rehabilitation efforts. Future work will focus on further optimizing the models, incorporating additional data sources, and deploying the system for real-time bridge monitoring.
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