首页|Transfer function analysis and implementation of active disturbance rejection control
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