Top 5 Control Engineering articles, August 18-24: Cascade control fundamentals, System Integrator Giants, world’s tallest observation wheel, more

Articles about cascade control fundamentals, the System Integrator Giants of 2014, the world’s tallest observation wheel, tuning PID control loops, and writing a process operating description document, were Control Engineering’s five most clicked articles from last week, August 18-24. Were you out last week? Miss something? You can catch up here.

08/25/2014


1. Fundamentals of cascade control

Sometimes two controllers can do a better job of keeping one process variable where you want it.

2. System Integrator Giants of 2014

The 2014 System Integrator Giants boast a $396 million increase in system integration revenue, a greater concern for the economy's impact on the automation integrator market, and a strong belief in educational and mentoring programs for employees. 

3. World's tallest observation wheel: industrial communications

Case study: The world's tallest observation wheel, the 55-story High Roller in Las Vegas, leverages industrial wireless and self-healing fiber-optic networking equipment for position tracking and control. 

4. Tuning PID control loops for fast response

When choosing a tuning strategy for a specific control loop, it is important to match the technique to the needs of that loop and the larger process. It is also important to have more than one approach in your repertoire, and the Cohen-Coon method can be a handy addition in the right situation. 

5. How to write a good process operation description document

Back to Basics: Describe your process to preserve the process engineer knowledge for the future. To program the process controller, programmable logic controller (PLC), or distributed control system (DCS), follow these steps and methodology.

The list was developed using CFE Media's web analytics for stories viewed on controleng.com, August 18-24, for articles published within the last two months.

- Chris Vavra, content specialist, CFE Media, cvavra@cfemedia.com.



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