Fig 2 - available via license: Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Content may be subject to copyright.
Source publication
A PPI controller is investigated for disturbance rejection associated with a highly oscillating second-order-like process. The controller is tuned using the MATLAB optimization toolbox for different error-based objective functions. The best objective function suitable for this type of controllers for the highly oscillating second order process is a...
Contexts in source publication
Context 1
... closed loop transfer function of the closed loop control system depends on the input and output variables of the control system. With disturbance input included in the analyses, the control system has two input variables: reference input R(s) and disturbance input D(s) as shown in Fig.2. For sake of studying the dynamics of the control system for disturbance rejection, only the disturbance variable D(s) has to be considered, and the reference input will be omitted from Fig.2. ...
Context 2
... disturbance input included in the analyses, the control system has two input variables: reference input R(s) and disturbance input D(s) as shown in Fig.2. For sake of studying the dynamics of the control system for disturbance rejection, only the disturbance variable D(s) has to be considered, and the reference input will be omitted from Fig.2. In such a case, the controller block will come in the feedback path of the single loop of the control system and the controller output signal will enter the error detector (summing point) with a negative sign. ...
