Today's Top Story

Computing power at the device level is transforming process applications

It's this portability that gives edge networking, computing, monitoring, automation and control its true value

CT1902 CoverStory lead art2

It's name sounds slightly exotic and dangerous, probably because of all the cutting and bleeding attributed to it. Buzzwords aside, the "edge" is just another place to crunch numbers.It's this portability—the fact that microprocessors can perform their calculations almost anywhere—that gives edge networking, computing, monitoring, automation and control its true value. For awhile, it appeared that all production information was on its way to the cloud, but those services and their developers and users have since realized there was far too much data for them to handle, while many networks still face connectivity, latency and reliability hurdles.Fortunately, edge…

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Resources

2018 Flow2 Tablet small compressorFlow Measurement,
Part II

The latest eBook from the editors of Control continues the conversation about flow measurement via a collection of articles about the latest trends, technologies and implementations. Topics covered include flowmeter selection, wireless flow measurement and more. Download it here.

 

1902 DE tablet small2Our latest issue: February 2019

Edge computing is enabling routine data gathering, storage on databases and latency-reducing data processing, while also delivering less burdensome reports-by-exception, anomalies and longer-term trends for analysis to the cloud and other enterprise-level users. Read the issue.

 

Voices: Ask The Experts

Compressor rod position detection

And how quickly we need to bring global warming under control.

Q: We're facing a problem of high readings of rod position in four-cylinder reciprocating compressors. The probes are GE in XY configuration for each cylinder. The probes have been verified for linearity and installed. On starting the compressors, the value of position magnitude crossed more…

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Most Recent

  • Compressor rod position detection

    Q: We're facing a problem of high readings of rod position in four-cylinder reciprocating compressors. The probes are GE in XY configuration for each cylinder. The probes have been verified for linearity and installed. On starting the compressors, the value of position magnitude crossed more…

    Full Story
  • Understanding the rationale behind the academic-practice gap

    By R. Russell Rhinehart

    Elephants are awesome; but even washed before a parade, as the beasts lumber by, it’s not a desirable odor for those in the audience front row.The particular elephant is not responsible. It is an elephant because its DNA is elephant DNA, which has evolved to be best suited for the ancient…

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  • How to balance wireless sensor update rate and battery life

    By Ian Verhappen

    Though the majority of instrument and controls engineers have an electrical background (confirmed by the surprise people still have when I tell them I was trained as a chemical engineer and, like them, “fell” into this profession), we all need to remember that the reason we are installing all…

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  • Ancestors of device diagnostics

    By John Rezabek

    It was 1983, and detailed engineering for the project was in full swing. The goal: to extract then-valuable aromatic hydrocarbons—molecules containing the benzene ring—from a gasoline stream. The project required a significant number of gas chromatographs (GC): online analyzers for separating…

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