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Tuning and Control Loop Performance, Fourth Edition, 4th Edition by Gregory K. McMillan

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APPENDIX A

AUTOMATION SYSTEM PERFORMANCE TOP 10 CONCEPTS

Automation system performance not only depends upon tuning but also upon the performance of each component in each control loop. System performance can be maximized by attention to design and implementation details that affect the ability of the controller, final control element(s), equipment, piping, sensor, and transmitter to do their job. Here is a summary of the Top 10 Concepts to guide the automation engineer in this endeavor. We finish with a perspective on the relative importance of accuracy and precision.

1.Delay

Without dead time I would be out of a job

Fundamentals

∘A more descriptive name would be total loop dead time. The total loop dead time is the amount of time required ...

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