نتایج جستجو برای: condition based maintenance availability semi

تعداد نتایج: 3476752  

Journal: :Structure and Infrastructure Engineering 2021

Numerous bridges are exposed to increasingly frequent and intense extreme events due climate change, while serving more traffic than originally designed population growth. Thus, predictive maintenance of is paramount importance for securing structural safety bridge network reliability. However, the application networks bridges, considering condition criticality within network, has not seen much...

Journal: :European Journal of Operational Research 2021

Industry 4.0 promises reductions in maintenance costs through access to digital technologies such as the Internet of Things, cloud computing and data analytics. Many promised benefits are, however, dependent on quality obtained sensors related technologies. In this work, we consider effect different levels deterioration quality, resulting partial information about underlying state system being ...

Journal: :International Journal of Systems Science: Operations & Logistics 2023

The joint optimisation of production scheduling and maintenance planning can significantly decrease interruptions (or stoppages) and, simultaneously, improve stability enhance the reliability availability equipment machines. This paper studies schedules CBM plans in a parallel-machine setting. machines are subject to deterioration, unexpected breakdowns, deterioration-based failures. is modelle...

2004
Henri Helanterä Mikko Salmenperä Hannu Koivisto

Proactive maintenance is a solution to increase the availability of the production equipment in the process industry. It involves online condition monitoring of field devices and reliably diagnosing the reason behind any abnormal behaviour, thus helping to rationalise maintenance operations. Making the information of different industrial sites available for analysis, significant improvements co...

Earth pressure balance tunnel boring machines (EPB-TBMs) are favorably applied in urban tunneling projects. Despite their numerous advantages, considerable delays and high maintenance cost are the main disadvantages these machines suffer from. Reliability, availability, and maintainability (RAM) analysis is a practical technique that uses failure and repair dataset obtained over a reasonable ti...

2018
Haifeng Song eckehard ScHnieder

Maintenance plays an essential role in a system’s life cycle. At the system level, the maintenance influences the reliability and availability of the system [3]. Achieving a high maintainability in the railway system requires a proper maintenance strategy. More maintenance means more life-cycle cost, while it may not lead to a dramatical improvement in the reliability. Hence, the performance of...

One important issue in using the industrial and manufacturing facilities is to consider their impacts on the environment. Many of these equipment have negative effects on the environment when operated for sometimes. In this research the probabilistic logistic times and the destructive effects for maintenance are studied and appropriate model is suggested and evaluated. The aim of the proposed m...

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