Peer-Review Record
Parametric and Nonparametric PID Controller Tuning Method for Integrating Processes Based on Magnitude Optimum
Appl. Sci. 2020, 10(17), 6012; https://doi.org/10.3390/app10176012
Reviewer 1:
Anonymous
Reviewer 2:
Anonymous
Appl. Sci. 2020, 10(17), 6012; https://doi.org/10.3390/app10176012
Submission received: 4 August 2020
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Revised: 26 August 2020
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Accepted: 27 August 2020
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Published: 30 August 2020
(This article belongs to the Section Electrical, Electronics and Communications Engineering)
Round 1
Reviewer 1 Report
The paper describes the method for tuning 2 degree-of-freedom PID controllers for integral process. the paper is very interesting.
I have one essential comment. What about process noises? How the method is affected by a situation when the process resposne is subject to process noises? I understand that the paper is long and adding full analysis of the noisy scenarios might cause to long manuscript. But some discussion on the subject is inevitable.
Despote this, There are some minor comments:
- Fig. 2 caption - I suggest to add "magnitude frequency response".
- page 10, remark 2, point 1 is: Choose the appropriate filter time constant TF of the PIDb controller.
Please comment how to select this filter time constant. - page 29, the first sentence starts with "To the best of our knowledge, " - suggestion: "To our best knowledge"
- page 29: I have a question on the selection of the performance indexes. Why you select IAE and IST2E, not IAE and IAT2E or ISE and IAT2E, for instance? Why such a selection?
Author Response
Please see the attachment.
Author Response File: 
Author Response.docx
Reviewer 2 Report
- The moivation of this work is clear, but the introduction part seems too long. It is better to use more brief languages to describe the literature review and the motivations of this work. This will increase the readability.
- The manuscript presents solid validations on both numerical examples and an experimental study. The results are all positive.
- For a large time delay system, the second order approximation in (39) may results in large deviation. The following stability analysis may not be applicapable for such systems. Techniques like the Smith Predictor may be used in the design.
- There are some typos in the manuscipt, for an example, equation (39) no 's' in both numerator and denominator.
Author Response
Please see the attachment.
Author Response File: Author Response.docx
