Results 31 to 40 of about 3,904,834 (301)

Maintenance strategy of ship multi-state deterioration system under reinforcement learning mode

open access: yesZhongguo Jianchuan Yanjiu, 2021
ObjectivesNaval ship systems such as the hull structure, weapons equipment and power equipment will deteriorate during their service life. Thus, a ship maintenance strategy based on the actual deterioration state is essential for ensuring the safety and ...
Jianda CHENG   +3 more
doaj   +1 more source

Optimal design for inspection and maintenance policy based on the CCC chart [PDF]

open access: yes, 2009
In this paper, the concept of cumulative count of conforming chart (CCC chart) is applied in inspection and maintenance planning for systems where minor inspection, major inspection, minor maintenance and major maintenance are available.
Wu, Shaomin, Chan, Ling-Yau
core   +1 more source

Modeling the Optimal Maintenance Scheduling Strategy for Bridge Networks

open access: yesApplied Sciences, 2020
An optimal maintenance scheduling strategy for bridge networks can generate an efficient allocation of resources with budget limits and mitigate the perturbations caused by maintenance activities to the traffic flows. This research formulates the optimal
Xinhua Mao   +3 more
doaj   +1 more source

Optimal railway infrastructure maintenance and repair policies to manage risk under uncertainty with adaptive control [PDF]

open access: yes, 2006
The aim of this paper is to apply two adaptive control formulations under uncertainty, say open-loop and closed-loop, to the process of developing maintenance and repair policies for railway infrastructures.
Pérez, Jose M.   +3 more
core   +1 more source

Interval optimization of civil aircraft imperfect preventive maintenance based on availability

open access: yesHangkong gongcheng jinzhan, 2023
The initial preventive maintenance interval recommended by civil aircraft manufacturers usually does not consider the operators' environment and maintenance capacity difference.It is difficult to achieve the optimal state of availability while meeting ...
WU Xiao, WANG Ying, PENG Chaofeng
doaj   +1 more source

Optimal Maintenance Policy for Corroded Oil and Gas Pipelines using Markov Decision Processes

open access: yesInternational Journal of Prognostics and Health Management, 2022
This paper presents a novel approach to determine optimal maintenance policies for degraded oil and gas pipelines due to internal pitting corrosion. This approach builds a bridge between Markov process-based corrosion rate models and Markov decision ...
Roohollah Heidary   +2 more
doaj   +1 more source

OPTIMAL MAINTENANCE DECISIONS FOR DIKES

open access: yesProbability in the Engineering and Informational Sciences, 2000
To protect the Dutch polders against flooding, more than 2500 km of dikes have been constructed. Due to settlement, subsoil consolidation, and relative sea-level rise, these dikes slowly sink “away into the sea” and should therefore be heightened regularly (at present, every 50 years).
Speijker, L.J.P.   +3 more
openaire   +3 more sources

Linear and Nonlinear Preventive Maintenance Models [PDF]

open access: yes, 2010
Preventive maintenance (PM) is a maintenance program with activities initiated at predetermined intervals, or according to prescribed criteria, and intended to reduce the probability of failure, or the degradation of the functioning of an item.
Zuo, M.J., Wu, Shaomin
core   +1 more source

Proposed procedure for optimal maintenance scheduling under emergent failures

open access: yesJournal of Civil Engineering and Management, 2020
Production lines are usually subjected to emergent machine failures. Such emergent failures disrupt pre-established maintenance schedules, which challenge maintenance engineers to react to those failures in real time.
Abbas Al-Refaie   +2 more
doaj   +1 more source

Optimal Decision-making Model for Power Grid Maintenance Scheduling Considering Comprehensive Supply-Demand Factors

open access: yesZhongguo dianli, 2021
Power grid outage decision-making for maintenance significantly affects the power supply reliability and customer’s satisfactions. The actual maintenance schedule for power grid is subjected to the subjective experience decision-making which is suitable ...
Hui LIU   +6 more
doaj   +1 more source

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