PID control of auto-regulated and integrated processes tuned using the lambda method
DOI:
https://doi.org/10.47187/perspectivas.vol3iss1.pp43-49.2021Keywords:
IMC, Lambda, Optimized PID, Control and Optimization, Tunning MethodAbstract
This work presents the implementation of a didactic tool to determine the value of the constants of a PID controller through the lambda method, also known as IMC (Internal Control Method). Such a tool can be used to start a process or ratify the current values of the constants of the controller since the wear out of the process’s elements affects its dynamics, being necessary to update them frequently. In order to validate the tool, tests were carried out on an integral process and a self-regulating one. The comparison of constant values applying conventional control strategies such as PID and lambda method, as well as the response of the process to similar changes, as set point or disturbances is presented. The obtained results determining that through the lambda tuning the control is fast and stable.
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References
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Copyright (c) 2021 Fabián Guagchinga, Paola Calvopiña, Silvia Alpúsig, Mildred Cajas
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