Frequency-Domain Analysis of Nonlinear Active Disturbance Rejection Control via the Describing Function Method - Wu, Dan; Chen, Ken (IEEE transactions on industrial electronics (1982), 2013)
Keywords: Active control; Active disturbance rejection control (ADRC); Control systems; describing function; Describing functions; Dynamical systems; Frequency domain analysis; Mathematical models; Motion control; Nonlinear dynamics; Nonlinear systems; Nonlinearity; Observers; Rejection; Servomotors; Stability analysis; Transfer functions