Top 5 Control Engineering articles, July 7-13: PID, radio frequencies, PID math, more

Articles about tuning PID control loops, radio frequencies, PID math, programming PLCs, and ASM-compliant HMIs were Control Engineering’s five most clicked articles from last week, July 7-13. Were you out last week? Miss something? You can catch up here.

07/14/2014


1. 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. 

2. Radio frequency basics

Industrial wireless tutorials: Any radio frequency (RF) discussion quickly expands to the entire technology surrounding the generation and propagation of a radio signal or wave. Here's what you need to know. 

3. PID math demystified, part 4

You've seen the equations, but have you thought about how those elements work together? Part 4: Feed forward 

4. Programming PLCs: Keep the documentation clear and simple

Poor programmable logic controller documentation and housekeeping can lead to unnecessary troubleshooting and downtime. Keep it simple in order to avoid the possible risks and confusion. 

5. Creating an ASM-compliant HMI goes deeper than screen color selection

Simply adopting ASM guidelines for graphics does not create an ASM-compliant HMI. Achieving that level of effectiveness involves a range of factors that address how people interact with the control system. 

The list was developed using CFE Media's web analytics for stories viewed on controleng.com, July 7-13, for articles published within the last two months.

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



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The Engineers' Choice Awards highlight some of the best new control, instrumentation and automation products as chosen by Control Engineering subscribers.
System Integrator Giants
The System Integrator Giants program lists the top 100 system integrators among companies listed in CFE Media's Global System Integrator Database.
System Integrator of the Year
Each year, a panel of Control Engineering and Plant Engineering editors and industry expert judges select the System Integrator of the Year Award winners in three categories.
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This eGuide explains how the operation of hydraulic systems for subsea applications requires the user to consider additional aspects because of the unique conditions that apply to the setting
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This eGuide illustrates solutions, applications and benefits of machine vision systems.
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Find and connect with the most suitable service provider for your unique application. Start searching the Global System Integrator Database Now!

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August 2018
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June 2018
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John O. Ayuk, PE, CFSE, PMP, CAP
Automation Engineer; Wood Group
Doug Baker
System Integrator; Cross Integrated Systems Group
Jose S. Vasquez, Jr.
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Fire & Life Safety Engineer; Technip USA Inc.
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This course focuses on climate analysis, appropriateness of cooling system selection, and combining cooling systems.
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