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Learning PID Tuning I: Process Reaction Curve

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Learning PID Tuning I: Process Reaction Curve

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30 Sep 2007 (Updated )

process reaction curve approach to tune PID controller

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Description

Process reaction curve approach to approximate high-order (linear or nonlinear) systems with a first-order-plus-timedelay model using step response data. It also provides an example of PID controller design using the approximate model based on the classical tuning table. It can be easily replaced with any other more advanced tuning tables based on the same approximate model.

Acknowledgements

This file inspired Learning Pid Tuning Iii: Performance Index Optimization.

Required Products Control System Toolbox
MATLAB release MATLAB 7.5 (R2007b)
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Comments and Ratings (4)
19 Sep 2012 Warren Holden

I compared the ReactionCurve.m output response to various other methods i.e. Sundaresan, K.R. and Krishnaswamy, P.R. (1978) method, the manual point of inflection by inspection method and the two-point method from Smith, C.L. (1972)all of which produced a better fit to my plant model. The best fit was produced from the Sundaresan, K.R. and Krishnaswamy, P.R. (1978) method.

02 Aug 2008 d. miller  
10 Dec 2007 randeep sangwan  
25 Oct 2007 ali taher  
Updates
01 Oct 2007

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