Journal ArticleDOI
Automatic tuning of optimum PID controllers
M. Zhuang,Derek P. Atherton +1 more
- Vol. 140, Iss: 3, pp 216-224
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TLDR
In this article, the analytical procedures for obtaining optimum PID controller settings for minimisation of time weighted integral performance criteria are reviewed and two procedures for finding the required controller parameters for optimisation of the integral of time error squared criterion are presented.Abstract:
The paper first briefly reviews the analytical procedures for obtaining optimum PID controller settings for minimisation of time weighted integral performance criteria. The approach is then used to obtain formulae for setting the controller parameters for a first-order plus dead time plant model which is a common approximation used in the process industries. These results are further extended to obtain two procedures, which can be used with the relay autotuning approach, to find the required controller parameters for optimisation of the integral of time error squared criterion. Good results have been obtained when these criteria are used with other plant models.read more
Citations
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Journal ArticleDOI
The future of PID control
Karl Johan Åström,Tore Hägglund +1 more
TL;DR: The state of the art of PID control is presented and its future is reflected on, including specifications, stability, design, applications, and performance.
Journal ArticleDOI
Tuning of PID controllers based on gain and phase margin specifications
TL;DR: The results in this paper can be used to predict the achievable rise time of the closed-loop system, which is useful for self-diagnosis—a desirable feature of ‘intelligent’ controllers.
Journal ArticleDOI
PI/PID controller design based on direct synthesis and disturbance rejection
Dan Chen,Dale E. Seborg +1 more
TL;DR: In this article, a design method for PID controllers based on the direct synthesis approach and specification of the desired closed-loop transfer function for disturbances is proposed, which results in very good control for a wide variety of processes including those with integrating and/or non-minimum phase characteristics.
Journal ArticleDOI
An analysis package comparing PID anti-windup strategies
Christian Bohn,Derek P. Atherton +1 more
TL;DR: A software package developed in SIMULINK is discussed that enables the behavior of feedback control systems with actuator saturation and PID controllers to be evaluated and the performance of four different anti-windup implementations for PI or PID controllers is compared.
Journal ArticleDOI
PID tuning for improved performance
TL;DR: A simple PID controller design method that achieves high performance for a wide range of linear self-regulating processes is proposed, based on a second-order plus dead time modeling technique and a closed-loop pole allocation strategy through the use of root-locus.
References
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Journal ArticleDOI
Paper: Automatic tuning of simple regulators with specifications on phase and amplitude margins
Karl Johan Åström,Tore Hägglund +1 more
TL;DR: A simple method for estimating the critical gain and the critical frequency is described, which may be used for automatic tuning of simple regulators as well as initialization of more complicated adaptive regulators.
Book
Principles and Practice of Automatic Process Control
TL;DR: This chapter discusses the design and operation of single Loop Feedback Control Systems, and some of the techniques used in dynamic simulation, as well as basic components of Control Systems.