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lec14_print - Tuning Guidelines Srinivas Palanki University...

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Unformatted text preview: Tuning Guidelines Srinivas Palanki University of South Alabama Srinivas Palanki (USA) Tuning Guidelines 1 / 11 Tuning Commercial Controllers Two Approaches to Dynamic Analysis We have considered two different approaches to dynamic analysis: Analytical Approach (by calculating e At ) Numerical Approach (by using a software such as MATLAB to integrate dynamic equations) In each of these approaches, the dynamics of the process are first studied and then a controller (P, PI, or PID) is utilized to modify the dynamics of the process. In this lecture, we will study how the controller parameters can be chosen so the dynamics of the closed-loop process follow a desirable behavior. Srinivas Palanki (USA) Tuning Guidelines 2 / 11 Tuning Commercial Controllers The Four Laws of Process Control 1 Thou shalt not make the process unstable 2 Thou shalt minimize deviations from set-point in the presence of disturbances 3 Thou shalt track set-point changes as closely as possible 4 Thou shalt not use excessive control action Srinivas Palanki (USA) Tuning Guidelines 3 / 11 Tuning Commercial Controllers...
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This note was uploaded on 01/07/2011 for the course CHE 452 taught by Professor Dr.srinivaspalanki during the Spring '10 term at S. Alabama.

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lec14_print - Tuning Guidelines Srinivas Palanki University...

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