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Simulation study of two-order Large Inertia and time-delay system based on active disturbance rejection controller

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4 Author(s)
Wang Debiao ; Sch. of Electron. Inf. Eng., Chongqing Univ. of Sci. & Technol., Chongqing, China ; Song Lepeng ; Zhong Bingxiang ; Tang Dedong

PID controller can not perform well in two-order large Inertia and time-delay system. ADRC is a new control technique which possesses special advantages for large Inertia and time-delay system. Moreover, ADRC overcomes lots of defects of PID control and improves control performance greatly. Two-tank liquid system - the research object in this paper is a typical two-order large Inertia and time-delay system. In the research an ADRC is designed by using control technique of active disturbance rejection and by comparing with PID controller. Simulation research shows that liquid level control system possesses good rapidity and little overshooting with ADRC and can inhibit strong disturbance. Thus, the research result is of important guidance for engineering of liquid level control.

Published in:

Cognitive Informatics (ICCI), 2010 9th IEEE International Conference on

Date of Conference:

7-9 July 2010