2016
DOI: 10.1515/jee-2016-0023
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PID Controller Design Based on Global Optimization Technique with Additional Constraints

Abstract: This paper deals with design of PID controller with the use of methods of global optimization implemented in Matlab environment and Optimization Toolbox. It is based on minimization of a chosen integral criterion with respect to additional requirements on control quality such as overshoot, phase margin and limits for manipulated value. The objective function also respects user-defined weigh coefficients for its particular terms for a different penalization of individual requirements that often clash each other… Show more

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Cited by 21 publications
(8 citation statements)
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“…The Nelder-Mead method iteratively generates a sequence of interested vertex points which converge to an optimal vertex point of objective function f(x) [10]. At each iteration, the vertices xi are ordered according to the objective function values (6) where x1 is the best vertex and xn+1 is the worst vertex. The algorithm uses four possible operations: reflection, expansion, contraction and shrink, each being associated with a scalar parameter: α (reflection), β (expansion), γ (contraction), and δ (shrink).The values of α, β, γ and δ are lying in the range of >0, >1 and 0 to 1 in both γ and δ respectively.…”
Section: Nelder-mead "Simplex" Direct Search Methodsmentioning
confidence: 99%
“…The Nelder-Mead method iteratively generates a sequence of interested vertex points which converge to an optimal vertex point of objective function f(x) [10]. At each iteration, the vertices xi are ordered according to the objective function values (6) where x1 is the best vertex and xn+1 is the worst vertex. The algorithm uses four possible operations: reflection, expansion, contraction and shrink, each being associated with a scalar parameter: α (reflection), β (expansion), γ (contraction), and δ (shrink).The values of α, β, γ and δ are lying in the range of >0, >1 and 0 to 1 in both γ and δ respectively.…”
Section: Nelder-mead "Simplex" Direct Search Methodsmentioning
confidence: 99%
“…It is based on DC motor open-loop control on the speed and position signal by rotary encoder and resolver feedback to the driver, to form a closed loop negative feedback PID control, closed loop current loop, three position loop, speed and drive the internal loop regulation of the motor has a strong follow up to the set value, and then the system can achieve dynamic balance [3][4][5].…”
Section: Object Characteristics Analysismentioning
confidence: 99%
“…The Proportional-Integral-Derivative (PID) algorithm is one of the most used algorithms in the industry to control processes. It has a simple implementation and there is a vast number of easy-to-use and intuitive tuning methods for such a controller depending on the controlled process with required control quality [20,38,48].…”
Section: Introductionmentioning
confidence: 99%