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The growing interest in Big Data in recent years has led to a host of questions about how this trend influences or is impacted by applications in manufacturing operations. Often, the first area of attention is the role played by data historians as the repositories for the large volume of process related information generated in a typical industrial plant.
It is worthwhile to review the situation and some of the positions and opinions offered. Some have predicted that the traditional role of the historian in enabling integration of information and processes between enterprise and operations systems will change as that scope expands to include so-called “community systems” that exist at a logical level above the individual enterprise.
Meanwhile, others have predicted that the traditional historian will ultimately disappear or transform to an extent as to make it unrecognizable. This is an unlikely development. To paraphrase Mark Twain, “Reports of the death of the data historian have been greatly exaggerated.”
Certainly, the emergence of Big Data and IIoT have blurred the role of the historian, but with the corresponding growth in the volume of process data, this component is likely to continue to play a major role.
Historians: An Essential Component
The data historian has been an essential component of process automation systems for decades. As early as the 1970s, companies began to introduce general-purpose computers into their facilities to augment dedicated electronic controllers.
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Keywords: Analytics, Big Data, Data Management, Historian, IIoT, ARC Advisory Group.