TUNING METHODS OF THE PI AND PID CONTROLLERS PARAM
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专利名称：TUNING METHODS OF THE PI AND PID
CONTROLLERS PARAMETERS
发明人：Miroslaw Wcislik,Michal Laskawski
申请号：US14123013
申请日：20120528
公开号：US20140081427A1
公开日：
20140320
专利内容由知识产权出版社提供
专利附图：
摘要：The invented controller tuning method relies on the following procedure. To the controlled system with known proportional gain the integral type controller is connected in series. The controller gain kis increased to get the closed loop system to the stability limit. At this stage the controller ultimate gain kand the sustained oscillation period period Tof the controlled value are assessed. It is assumed that the controlled system dynamics can be approximated by the first order filter with dead time model. The following formulas allow to estimate the first order filter time constant F(1) and the
coefficient θ=L/T=(arcctg(ωT))/(ωT) where L is the dead time constant of the controlled system model. From the formulas: F(2) the controller model parameters are calculated.After that on the basis of the calculated controller model parameters value the real
controller parameters are calculated from the formulas: F (3) the proportional controller gain, the Tis the integral controller time constant and the Tis the derivative controller
time constant.
申请人：Miroslaw Wcislik,Michal Laskawski 地址：Kielce PL,Kielce PL
国籍：PL,PL
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