Condition-Based Monitoring and Maintenance: State of the Art Review

Manufacturing firms face great pressure to reduce downtime as well as maintenance costs. Condition-based maintenance (CBM) can be used to effectively manage operations and maintenance by monitoring detailed machine health information. CBM policies and the development of the mathematical models have been growing recently. This paper provides a review of the theoretical and practical development in the field of condition-based maintenance and its current advancements. Standard CBM platform could make it effective and efficient in implementation and performance improvement.

Integrity Assessment of Pipelines Failures

The proactive maintenance of pipelines through condition based monitoring, plays an essential role in improving their overall reliability and availability. Their criticality can also be assessed by conducting reliability analysis such as FMECA, which helps in identifying relevant failure modes and averting catastrophic failures to sustain economic growth. This paper will focus on an integrity assessment set up for pipelines and the potential failure modes associated are evaluated and mitigated by determining the risk triggers. The outcome of this research has shown the various threats associated with pipelines, having an effective integrity assessment program will help mitigate such threats. Keywords: Risk Assessment, Corrosion, FMECA, Risk Priority, Failure, Inspection, Regulations, Pipelines, Monitoring

Development and validation of an expert system for lubricant based predictive maintenance of machinery

Predictive maintenance is also known as condition monitoring. It is a technique in which systems are monitored at various key points of the operating machinery and data is observed. Analyzing the data is very much useful to assess the health of the machine thereby catastrophic failures can be avoided. This leads to more production and also eliminate to a great extent, the inventory. To make the technique more convenient, the expert system is very much useful. In this paper an attempt has been made to take up a comprehensive review of the literature and emphasis has been given to lubricant condition-based monitoring through an expert system, which will spell out the probable faults along with remedial measures. The expert system embeds the viscosity of lubricant as measurand. It has been developed for different grades of lubricating oils and their industrial utility.