Articles

3261-3280 of 3846 < first | | | last >
  • Under the hood of override control

    All the techniques for preventing reset windup of non-selected controllers will perform comparably to reset feedback if the dynamics of the various loops aren’t too dissimilar.

    12/14/2005
  • Want to see something really scary?

    Getting into your control system requires skill, but it's not beyond the ability of a professional hacker who is being paid to get into your system undetected.

    12/13/2005
  • Secure your wireless information channel

    Among the obstacles that process control pioneer Dick Caro sees affecting the advance of wireless technology are the security of the information channel and powering wireless devices.

    12/13/2005
  • Tuning cascade loops

    Tuning a cascade loop is simple, as long as the concepts of the cascade loop are understood. In this installment of "How Do I . . ." we take a look at a common cascade loop application.

    12/12/2005
  • Yokogawa rolls out plan for global leadership

    Yokogawa recently marked its 90th anniversary by laying out plans for an aggressive growth trajectory. Here's Publisher and VP of Content, Keith Larson's take on the Tech Innovation Fair held in Japan.

    12/08/2005
  • Top 50 Automation Companies of 2004

    We polled a distinguished panel of industry experts and advisors for our annual list of the industry's Top 50 instrumentation and controls suppliers in North America. Find out who made this year's list.

    12/05/2005
  • It's a great time to be an end-user!

    Editor in Chief Walt Boyes says the Big Boys are prepared to buy your loyalty with all sorts of goodies, so keep your price high. It's a buyer’s market out there for the first time in decades. Read why.

    12/02/2005
  • 10 things end-users need to know about vendors

    The selection of a supplier, especially for large control systems, is a complex undertaking. To help end-users with automation vendor selection, here’s a checklist organized in 10 categories.

    12/02/2005
  • PAT slaps pharmas with control system aftershave

    Though users in other process industries have seen it coming for years, Process Analytical Technology (PAT) is now bringing similar improvements and benefits to many pharmaceutical applications.

    11/22/2005
  • Intrinsically safe fieldbus applications

    This article takes a look at ways companies get around limited power and other hazardous environment barriers to connect more fieldbus devices using a technology that goes beyond FISCO.

    11/22/2005
  • PPAR-5 convenes in San Diego

    Around the Loop columnist Terry K. McMahon reports on the pharma roundtable recently held in California and why process understanding (PU) is the real meaning of the Process Analytical Technology (PAT) guidance.

    11/22/2005
  • CAN solutions drive onto plant floor

    Semiconductor technologies and strategies are helping implement the Controller Area Network protocol in industrial applications, fueling the demand for integrated industrial CAN semiconductor devices.

    11/21/2005
  • Engineers can control the economy: Part II

    In this second installment, CONTROL Columnist Béla Lipták, PE, illustrates an assumed ANN model of the U.S. economy to show what can happen when advanced process control meets economics.

    11/14/2005
  • Largest Foundation fieldbus complex completed

    SECCO’s petrochem process facility goes from bare ground to on line in 27 months using a main instrument vendor to engineer and implement automation and control systems, and manage its multiple suppliers.

    11/10/2005
  • 5 steps to effective alarm management

    For operators, engineers, superintendents, plant managers and anyone impacted by process alarms and events, this multimedia tutorial presented by Matrikon reveals the 5 stages to integrating a successful alarm management philosophy.

    11/10/2005
  • Is advanced control ready for Prime Time?

    Fuzzy logic can minimize false alerts without compromising detection and notification of actual events, but there is always a tradeoff between sensitivity and increasing likelihood of false notification.

    11/10/2005
  • Model-predictive control can solve valve problem

    CONTROL columnist Greg McMillan addresses the use of fine adjustment valves to reduce process variability and suggests that now is a fine time to break away from old valve problems and into model-predictive control.

    11/09/2005
  • Rising levels of process level measurement devices

    Worldwide and regional shipments of process level measurement, solids process, and inventory tank gauging devices are projected to increase steadily through 2009, according to a new report.

    11/09/2005
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