On parameters tuning and capability of sampled-data ADRC for nonlinear coupled uncertain systems

Author

Wenchao Xue ; Yi Huang

Author_Institution

Key Lab. of Syst. & control, Acad. of Math. & Syst. Sci., Beijing, China

fYear

2013

Firstpage

317

Lastpage

321

Abstract

This paper concerns with the parameters tuning and the capability of Active Disturbance Rejection Control (ADRC) to deal with the nonlinear uncertain system under fixed sampling rate. Firstly, a three-dimension criterion is proposed to describe the uncertainties for a typical class of nonlinear systems. We give a rule of designing ADRC to reach the control objects including exponential stability and transient performance recovery of a reference trajectory. The rule quantitatively shows the relationship among the parameters of ADRC, the sampling rate and the uncertainty to be dealt. Finally, we investigate the capability of sampled-data ADRC under given sampling rate.

Keywords

asymptotic stability; control system synthesis; nonlinear control systems; robust control; sampled data systems; sampling methods; uncertain systems; 3D criterion; active disturbance rejection control; control objects; exponential stability; fixed sampling rate; nonlinear coupled uncertain systems; parameters capability; parameters tuning; reference trajectory; sampled-data ADRC; sampling rate; transient performance recovery; Closed loop systems; Trajectory; Transient analysis; Tuning; Uncertain systems; Uncertainty; active disturbance rejection control (ADRC); exponential stability; nonlinear coupled uncertain systems; parameters tuning; sampled-data control; transient performance recovery;

fLanguage

English

Publisher

ieee

Conference_Titel

Control Conference (CCC), 2013 32nd Chinese

Conference_Location

Xi´an

Type

conf

Filename

6639449