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IIoT as an enabler of MRO in the Industry 4.0 era: Part 1

  • Posted by admin on June 19, 2018

Government-led industrial automation initiatives such as Industry 4.0 and the broader approach of the Industrial Internet of Things, (IIoT), are having a profound effect on manufacturing, says Darren Hobbs, of S3 Semiconductors. Promising to make industrial processes and organisations more efficient, profitable and agile, it relies on data capture and analysis in addition to achieving more with the production assets available.

Achieving more means that plants needs to be kept in optimal working condition and constantly monitored for signs of wear or potential failure. Downtime needs to be carefully managed and kept to an absolute minimum. In this article, we look at how IIoT technologies are enabling transformation of Maintenance, Repair and Operations, (MRO), and also at the critical role played by sensors in enabling this transformation.

Industry 4.0 and MRO

Industry 4.0 is based on the “smart factory,” in which cyber-physical systems monitor the physical processes of the factory and make decentralised decisions.

Classic characteristics of an Industry 4.0 factory or system include:

Collaboration — machines, devices, sensors and people that connect and communicate with one another.
Information transparency — the systems create a virtual copy of the physical world through sensor data in order to contextualise information.
Technical assistance — both the ability of the systems to support humans in making decisions and solving problems and the ability to assist humans with tasks that are too difficult or unsafe for humans.
Machine Learning/AI — the ability of cyber-physical systems to make simple decisions on their own and become as autonomous as possible.

The growth in sophistication of production processes driven by Industry 4.0 technologies correspondingly increases the demands on MRO; as the environment becomes more and more competitive, the need to drive more value from assets increases, particularly in capital intensive industries, such as aerospace, oil & gas, mining, chemicals and metal processing.

Maximising return on the asset base involves both extending their life and also keeping them online as much as possible whilst respecting regulatory, safety and other regulations. Driven initially by the airline industry, where MRO constitutes 12 –15% of operating costs, the importance of MRO as a business discipline has grown in-line with the increased focus on return on assets.

MRO scope and drivers

The aircraft industry has arguably led the way in the evolution of MRO with origins traceable back to the early 1950s where innovative business models have developed in this sector, driven by the numbers of suppliers playing in this space. Overall drivers for MRO strategies vary from industry to industry but have reduction in operational expenditure and improvement in productivity in common.

Other factors such as safety, regulatory compliance and customer satisfaction may have equal importance, depending on the industry. In the aircraft business for example safety is critical and in a factory unscheduled downtime may lead to lost production, translating to lost revenues and/or a dip in customer satisfaction levels.

The following describes a prescriptive maintenance scenario:

A modern aircraft in flight is capable of generating terabytes of data from its on-board sensors with an engine alone having as many as 5,000 elements monitored every second. This data can […]

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