It's a fascinating time to be working in the asset management space. Rapid developments in both information technology (IT) and operational technology (OT) systems are paving the way for a new future. 

On their desktops, laptops, tablets and mobile phones, people have the power to open applications and use data to perform complex analysis and reporting, record transactions, and store knowledge. This new standard continues to evolve at a rapid rate, converging toward a limited set of key platforms.

The evolution of OT is meteoric. Today, a proliferation of connected devices can monitor asset condition and performance, along with operational conditions. The information captured from these devices enables operational optimization. It can also prevent unplanned downtime through early detection of impending failures, allowing corrective actions to be planned.

While advances in both IT and OT are leading to incremental advancements in the management of physical assets, the step change will come with the convergence of IT and OT. The opportunity is to automate decision-making and decision implementation, with the first step being augmented decision-making.

The Shift from Experience to Data

Augmented decision-making becomes real when the OT ecosystem delivers enough of the right data to the IT systems so the latter can present a recommendation on a course of action. Once this ideal state is reached, data drives decision-making, rather than a combination of data and experience.

It’s likely that human interaction will be required for some time to come to ensure the correct data is fed into the OT systems.

The current maturity of OT systems has proven prognostic capability. That means it has the ability to predict what’s going to happen given the current data set. For example, if you detect increased vibration under normal operating conditions, it’s likely some component of the asset is degrading. Based on the trend, you could predict out the likely time frame to failure.

It’s a great start. But, you need to improve on the diagnostics, meaning, what is the cause of the degradation? While you might be able to derive some options by detailed analysis of the vibration spectrum, there are still several causes that may show the same peaks.

Currently, the diagnostic capability of OT systems is supported by having subject matter experts identify causes by the patterns in historical data sets. This provides a starting point for machine learning to establish appropriate models.

However, this is vastly inefficient since it really needs to be done for each individual implementation and can be extremely complex for multivariant monitoring systems.

Support from Subject Matter Experts

It is important to recognize that the OT and IT systems’ role is to make decisions with support from qualified people who feed in causal data at the time of events. This builds the models over time, but also allows you to immediately begin making decisions based on data, not experience. Input from the subject matter experts supports the systems with causal information, but you’re not making decisions solely based on their experience.

It is equally important to place emphasis on the capture of cause codes. Many organizations have tried and failed to collect meaningful data. This may be attributed to such reasons as:

  1. System limitations on the coding structures available;
  2. Poor codes implemented, for example, cause and damage codes mixed together;
  3. The data was never used and not mandated, so it stopped being a focal point for closing out a work order.

In too many cases, organizations just gave up. For example, one large mining company decided not to include cause codes in its enterprise asset management (EAM) system blueprint because “no one enters them anyway.” That’s akin to not providing safety glasses because no one wants to use them! Tolerating data without causal information is not negotiable if you are going to move into the digital age and remain competitive.

For OT and IT systems to really generate a step change in operations and arrive at greater asset reliability, you need to support them with the correct data so that decisions are automated and accurate. That’s why key causal data should be a focal point in all organizations right now.

Jason Apps

Jason Apps, is the CEO of ARMS Reliability, a leading global provider of asset management solutions to some of the world’s largest resource, power and utility companies. Jason has over 20 years of experience in reliability and maintenance engineering. www.armsreliability.com

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