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Transfer function analysis and implementation of active disturbance rejection control

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To support the adoption of active disturbance rejection control(ADRC)in industrial practice,this article aims at improv-ing both understanding and implementation of ADRC using traditional means,in particular via transfer functions and a frequency-domain view.First,to enable an immediate comparability with existing classical control solutions,a realizable transfer function implementation of continous-time linear ADRC is introduced.Second,a frequency-domain analysis of ADRC components,performance,parameter sensitivity,and tuning method is performed.Finally,an exact implementation of discrete-time ADRC using transfer functions is introduced for the first time,with special emphasis on practical aspects such as computational efficiency,low parameter footprint,and windup protection.

Active disturbance rejection control(ADRC)Frequency-domain analysisDigital implementation

Gernot Herbst

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University of Applied Sciences Zwickau,Kornmarkt 1,08056 Zwickau,Germany

2021

控制理论与技术(英文版)
华南理工大学

控制理论与技术(英文版)

CSCDEI
影响因子:0.307
ISSN:2095-6983
年,卷(期):2021.19(1)
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