Structure control for the disturbance rejection in two electromechanical processes

• The structure control is designed for the disturbance rejection.
• The stability and convergence in the error of the proposed controller are guaranteed.
• The proposed method is used for the disturbance rejection in two processes: a three phase circuit and a plotter.

In this study, the structure control is introduced for the disturbance rejection. The gains of the introduced method are selected to satisfy three objectives: the disturbance rejection, stability and convergence of the errors. The structure control design is based on the structure at infinity strategy, but the introduced technique has two advantages: the disturbance is unknown because it is not utilized in the control law; the condition of having equal values in the input and disturbance transfer functions is not required. The introduced technique is applied for the disturbance rejection in two electromechanical processes.