Active Disturbance Rejection Control of a 2DOF manipulator with significant modeling uncertainty

• Autorzy: Przybyła M. , Kordasz M. , Madoński R. , Herman P. , Sauer P.
• Języki publikacji: EN

Abstrakty

EN

This paper presents a practical verification of an Active Disturbance Rejection Control (ADRC) method in governing a multidimensional system. The experiments were conducted on a two degrees of a freedom planar manipulator with only partial knowledge about the mathematical model of the plant. This multi input multi output system was controlled with a set of two, independent, single input single output ADRC controllers, each regulating one of the manipulator degree of freedom. Modeling uncertainty (nonlinearities, cross-coupling effects, etc.) and external disturbances were assumed to be a part of the disturbance, to be estimated with an observer and cancelled on-line in the control loop. The ADRC robustness was experimentally compared with the results obtained from using two decentralized, classic PID controllers. Both control methods were tested under various conditions, e.g. changing the inertial parameters of the plant. Significantly better results, in terms of parametric robustness, have been reported for the ADRC approach.

Słowa kluczowe

EN

active disturbance rejection control (ADRC); 2DOF manipulator; modeling uncertainty

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2012
• Tom: Vol. 60, nr 3
• Strony: 509--520
• Opis fizyczny: Bibliogr. 25 poz., rys., tab.

Twórcy

autor

Przybyła M.

autor

Kordasz M.

autor

Madoński R.

autor

Herman P.

autor

Sauer P.

• Chair of Control and Systems Engineering, Faculty of Computing Science, Poznań University of Technology, 3a Piotrowo St., 61-138 Poznań, Poland

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