NDLI: IMC-PID tuning method based on sensitivity specification for process with time-delay

Content Provider	Springer Nature Link
Author	Zhao, Zhi cheng Liu, Zhi yuan Zhang, Jing gang
Copyright Year	2011
Abstract	To overcome the deficiencies addressed in the conventional PID control and improve the dynamic performance and robustness of the system, a simple design and parameters tuning approach of internal model control-PID (IMC-PID) controller was proposed for the first order plus time-delay (FOPTD) process and the second order plus time-delay (SOPTD) process. By approximating the time-delay term of the process model with the first-order Taylor series, the expressions for IMC-PID controller parameters were derived, and they had only one adjustable parameter λ which was directly related to the dynamic performance and robustness of the system. Moreover, an analytical approach of selecting λ was given based on the maximum sensitivity M $_{s}$. Then, the robust tuning of the system could be achieved according to the value of M $_{s}$. In addition, the proposed method could be extended to the integrator plus time-delay (IPTD) process and the first order delay integrating (FODI) process. Simulation studies were carried out on various processes with time-delay, and the results show that the proposed method could provide a better dynamic performance of both the set-point tracking and disturbance rejection and robustness against parameters perturbation.
Starting Page	1153
Ending Page	1160
Page Count	8
File Format	PDF
ISSN	10059784
Journal	Journal of Central South University of Technology
Volume Number	18
Issue Number	4
e-ISSN	19930666
Language	English
Publisher	Central South University
Publisher Date	2011-07-10
Publisher Place	Heidelberg
Access Restriction	Subscribed
Subject Keyword	process with time-delay integrating process internal model control-PID robustness sensitivity parameters tuning Metallic Materials Engineering
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Materials Science Mechanical Engineering

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