Articles

3381-3400 of 3847 < first | | | last >
  • Getting Loopy with Control Loops

    This month's edition of Ask The Experts focuses in on manual control loops and offers guidance on which PID control mode should be used when, and what the range of tuning settings should be.

    07/20/2005
  • On site flow calibration is painful but necessary

    Some new product introductions have raised doubt about what in-situ calibration for flowmeters is, and whether it can be duplicated with simulators and calibrators with expanded diagnostics.

    07/20/2005
  • Free Download of Data Acquisition Reference Book

    ControlGlobal.com has partnered with Omega Engineering to make the Transactions in Measurement and Control technical reference series available for free download. Add Data Acquisition to your reference shelf and watch this spot to download future editions of this series.

    07/18/2005
  • Getting batch material transfers under control

    Batch material transfer control seems an easy task to carry out, but the reality is that many functions are necessary if the system is to accomplish accurate batch material transfer control. Weighing systems with device-level controls can help.

    07/18/2005
  • Five justifications for alarm management

    Does the financial ROI combined with the overall operational benefits justify the expense of implementing an alarm management solution? This article finds that the most effective way is to perform an alarm assessment.

    07/17/2005
  • Integrating alarm management to boost plant production

    This article outlines five practical steps you can take to reduce nuisance alarms and improve alarm quality for control room operators. This includes the ability to identify deviation from normal operating ranges as the process or equipment approaches equipment design thresholds, unsafe, or undesirable operating conditions.

    07/17/2005
  • Hacking the grid: control systems under attack

    Security experts warn it wouldn’t be hard for a cyberpunk or terrorist to hack into a monitoring and control SCADA system and wreak havoc on a good portion of the U.S. (First of three parts.)

    07/13/2005
  • Protocol for SCADA field communications

    ControlGlobal.com contributor Dale Peterson offers his review of the AGA 12 standard, a serial link encryption and authentication protocol for SCADA field communications.

    07/13/2005
  • With a little help from my friends

    CONTROL Senior Technical Editor Rich Merritt adds to his growing collection of writing awards and takes time out to give credit to control engineers who make it possible.

    07/12/2005
  • The next generation of smarter valves – Part 2

    Much improvement and change is expected in the design of smart and self-diagnosing control valves, with potential advantages outweighing the required investment of time and money.

    07/10/2005
  • How can we save ISA?

    The resignation of ISA’s third Executive Director in less than six years makes CONTROL Editor in Chief Walt Boyes wonder what ISA has that still matters to the typical process automation end user.

    07/01/2005
  • Top 10 signs a startup has gone wrong

    Control Talk columnists Greg McMillan and Stan Weiner, PE, offer up a bit of humor regarding startups, and how Stan avoided being fired despite a recent Monday morning hangover.

    07/01/2005
  • The U.S. chemical industry: R.I.P.

    Around the Loop columnist Terrence K. McMahon mourns the demise of the U.S. chemical industry, as national plants are being shuttered in ever-increasing numbers with production headed overseas.

    07/01/2005
  • The flavors of industrial Ethernet

    Ian Verhappen, Chair of the Foundation Fieldbus User Group and Vice President of Standards for ISA, offers his perspective and experience on the digital fieldbus network in this exclusive for DigitalField Insider.

    06/28/2005
  • HART Communication – Dispelling the Myths: Part II

    This "special to the web" article is designed to increase your knowledge about the HART Field Communications Protocol. Find out its benefits and dispel the myths surrounding this powerful technology.

    06/28/2005
  • Stay out of trouble with process analyzers

    Contributing Editor Wayne Labs reports that whatever the process variable or constituent to be monitored, process analyzers are out of the lab at last and ready to improve processes in real time.

    06/25/2005
  • Control system architectures: Remote control

    By using fieldbus, OPC links, secure data transmission systems, appropriate software and modern server technologies, you, too, can build your own server-based architecture. That is, if you are ready for it.

    06/20/2005
  • Applied control theory moves out

    Industry group gets automation industry support from companies that believe the partnership between industry and academia is most beneficial when theory moves out of the classroom and into the plant.

    06/20/2005
  • Alarm management for regulated industries

    This article on regulatory drivers for alarm management systems summarizes key best practices, and things the process industry can do to help implement more effective alarm management.

    06/16/2005
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