Top 5 Control Engineering articles, August 18-24: Cascade control fundamentals, System Integrator Giants, world’s tallest observation wheel, more
Sometimes two controllers can do a better job of keeping one process variable where you want it.
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.
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.
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.
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, email@example.com.