Efficient life-cycle management of civil infrastructure systems under continuous deterioration can be improved by studying the sensitivity of optimised preventive maintenance decisions with respect to changes in model parameters. Sensitivity analysis in maintenance optimisation problems is important because if the calculation of the cost of preventive maintenance strategies is not sufficiently ...

Maintenance is evolving due to the double-sided influence of Asset Management paradigm and digitalization. In this evolution, assessing maintenance management process status in terms completeness, information data completeness integration paramount boost reliable data-driven decision-making. Grounding on Design Science Research, a methodology realized favour comparison two models, reference one...

The Northwest Forest Plan was implemented in 1994 to protect habitat for species associated with old-growth forests, including Northern Spotted Owls (Strix occidentailis caurina) in Washington, Oregon, and northern California (U.S.A.). Nevertheless, 10-year monitoring data indicate mixed success in meeting the ecological goals of the plan. We used the ecosystem management decision-support model...

Clinical Decision Support Systems (CDSS) help to improve health care and reduce costs. However, the lack of knowledge management and modelling hampers their maintenance and reuse. Current EHR standards and terminologies can allow the semantic representation of the data and knowledge of CDSS systems boosting their interoperability, reuse and maintenance. This paper presents the modelling process...

This paper analyzes an existing maintenance management system in a cement factory in the Kingdom of Saudi Arabia using a modified questionnaire. The analysis shows that there are strong areas such as predictive maintenance and maintenance automation. Other areas are found weak such as training programs and maintenance reporting. Some areas are found mix between strong and weak such as maintenan...

the present study is intended to develop a preventive maintenance (pm) policy for industrial applications, while considering two different objectives: the first objective is to optimize the total maintenance costs, i.e., the preventive maintenance (pm) and emergency maintenance (em) costs per unit time. (cput). the second objective is to design the policy in such a way that the simplicity of it...

Predicting the maintenance and management costs and replacement age of tractors in agricultural mechanized units, is important from several points. So, doing a timely agricultural operations, more accurate measure of the amount of income  including the cost of these items , determining the useful life of old tractors , replacement age, cost of the process changes and the possibility of examinin...

Computer diagnosis systems grounded on hand-crafted decision trees are wide-spread in industrial practice. Since the complexity of technical systems increases and innovation cycles get shorter, the need for systematic decision tree generation and maintenance arises. In this paper, the MAD system is introduced which generates decision trees based on a new method for qualitative electrical circui...