Research on robust adaptive control of strong nonlinear complex large power grids

Xiaoping Huang; Yongji Chen; Yaqiong Zhang; Pengcheng Wang; Wenzhe Huang

doi:10.1371/journal.pone.0300099

Peer Review History

Original SubmissionDecember 28, 2023
9 Feb 2024 Decision Letter - Dhanamjayulu C, Editor PONE-D-23-43214Research on Robust Adaptive Control of Strong Nonlinear Complex Large Power GridsPLOS ONE Dear Dr. Huang, Thank you for submitting your manuscript to PLOS ONE. After careful consideration, we feel that it has merit but does not fully meet PLOS ONE’s publication criteria as it currently stands. Therefore, we invite you to submit a revised version of the manuscript that addresses the points raised during the review process. ============================== ACADEMIC EDITOR: The reviewers recommend reconsideration the manuscript with revision and modification. I invite the authors to resubmit the manuscript after addressing the comments raised by the reviewers. ============================== Please submit your revised manuscript by Mar 25 2024 11:59PM. If you will need more time than this to complete your revisions, please reply to this message or contact the journal office at plosone@plos.org. 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Please keep your tables as part of your main manuscript and remove the individual files. Please note that supplementary tables (should remain/ be uploaded) as separate "supporting information" files. Additional Editor Comments: The reviewers recommend reconsideration the manuscript with revision and modification. I invite the authors to resubmit the manuscript after addressing the comments raised by the reviewers. [Note: HTML markup is below. Please do not edit.] Reviewers' comments: Reviewer's Responses to Questions Comments to the Author 1. Is the manuscript technically sound, and do the data support the conclusions? The manuscript must describe a technically sound piece of scientific research with data that supports the conclusions. Experiments must have been conducted rigorously, with appropriate controls, replication, and sample sizes. The conclusions must be drawn appropriately based on the data presented. Reviewer #1: Yes Reviewer #2: Yes ******** 2. 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PLOS ONE does not copyedit accepted manuscripts, so the language in submitted articles must be clear, correct, and unambiguous. Any typographical or grammatical errors should be corrected at revision, so please note any specific errors here. Reviewer #1: Yes Reviewer #2: Yes ****** 5. Review Comments to the Author Please use the space provided to explain your answers to the questions above. You may also include additional comments for the author, including concerns about dual publication, research ethics, or publication ethics. (Please upload your review as an attachment if it exceeds 20,000 characters) Reviewer #1: This paper proposes a multi-index nonlinear robust adaptive control method for ultra-complex multi-input multi-output power systems with uncertain parameter factors and external disturbances. Overall, the research motivation of this paper has a specific positive significance. Before publication, some necessary corrections should be carried out and the detailed comments are listed below. 1- What is an "ultra-complex multiple-input multiple-output power system"? Please explain in detail in the text. 2- To make it easier for the reader to understand, please explain the variables that appear for the first time in the paper. In addition, there are some errors in the symbols in the paper. It is recommended to check the symbols throughout the paper. 3- What does the MINRC in section IV IEEE 3-MACHINE 9-NODE SYSTEM stand for? To avoid confusing the reader, please explain it clearly in the paper. 4- The authors claim that the proposed control method can ensure that the multiple indexes concerned by ultra-complex power systems can be controlled at their expected values under the condition of the uncertainty of system parameters. However, the authors said in the simulation that the system parameters are accurate. This is confusing operation, please make a detailed explanation. 5- The authors should add some more recent relevant references in the references section and cite them properly in the paper. 6- It is recommended that the author reformulate an appropriate title based on the content of the paper. 7- In conclusion part, more future works and challenges should be recommended. 8- To improve the quality of the paper, it is recommended to improve the English writing skills. Reviewer #2: In this work, a Multi-Index Nonlinear Robust Adaptive Control (MINRAC) method has been proposed for ultra-complex multi-input multi-output power systems with uncertain parameter factors and external disturbances. However, in order to further improve the quality of this manuscript, the comments in the uploaded file should be carefully considered. ****** 6. PLOS authors have the option to publish the peer review history of their article (what does this mean?). 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Then, login and navigate to the UPLOAD tab, where you will find detailed instructions on how to use the tool. If you encounter any issues or have any questions when using PACE, please email PLOS at figures@plos.org. Please note that Supporting Information files do not need this step. Attachments Attachment Submitted filename: Comments_PONE-D-23-43214.pdf https://doi.org/10.1371/journal.pone.0300099.r001
Revision 1
17 Feb 2024 Author Response Comments to the authors of academic editor: The reviewers recommend reconsideration the manuscript with revision and modification.I invite the authors to resubmit the manuscript after addressing the comments raised by the reviewers. Reply: Many thanks for your kind handling of the review of our paper. Following your suggestions,we have carefully revised the paper by clarifying the given questions as explained below. Comments to the authors of Reviewer #1: 1. What is an "ultra-complex multiple-input multiple-output power system"? Please explain in detail in the text. Reply: "Ultra-complex multiple-input multiple-output power system" mainly refers to the smart grid system that can connect the major coal power base, the major hydropower base, the major nuclear power base and the major renewable energy base.And the content had been added in “1 INTRODUCTION” on Page 1. 2. To make it easier for the reader to understand, please explain the variables that appear for the first time in the paper. In addition, there are some errors in the symbols in the paper. It is recommended to check the symbols throughout the paper. Reply: We have added the variables that appear for the first time in the paper in “NOMENCLATURE” on Page 1,and corredted the errors of symbols in the paper. 3. What does the MINRC in section IV IEEE 3-MACHINE 9-NODE SYSTEM stand for? To avoid confusing the reader, please explain it clearly in the paper. Reply: IEEE 3-machine 9-node system is a classic power system model, consisting of 9 nodes and 12 branches.The system is characterized by its moderate size and the inclusion of common power system components, so it is often used in academic research and engineering practice.And it was added on Page 7. 4. The authors claim that the proposed control method can ensure that the multiple indexes concerned by ultra-complex power systems can be controlled at their expected values under the condition of the uncertainty of system parameters. However, the authors said in the simulation that the system parameters are accurate. This is confusing operation, please make a detailed explanation. Reply: In order to verify the effectiveness of MINRAC control law,the control law was applied to IEEE 3-machine 9-nodesystem.The data of line,generator and load were shown in Table 1~Table 4,and the unit of parameters in the table was the standard unit value.Fig.5(a)-(d) showed that both MINRC and MINRAC could maintain the terminal voltage and output active power of the generator at the original given value.Due to the change of network parameters,the power angle of the motor was bound to change to adapt to the new equilibrium point when the terminal voltage and active power remained unchanged. Then we can make sure that inn multi-machine power system,for the uncertainty of the generator itself,such as damping coefficient,rotor inertia time constant is inaccurate and generator excitation of electromagnetic disturbance,MINRAC method effect rather than in a single machine infinite system,the mechanism of selection by the output function system of the relationship between indicators such as angle,angular frequency and voltage of the machine as a constraint.By adjusting the uncertain parameter value by adaptive control,these indexes are forced to tend to the given expected value,so as to achieve static tracking. 5.The authors should add some more recent relevant references in the references section and cite them properly in the paper. Reply: We have added and renewed 4 relevant references in the references section and cite them properly in the paper.And the content had been added in “1 INTRODUCTION” on Page 2. 6. It is recommended that the author reformulate an appropriate title based on the content of the paper. Reply: Many thanks for your encouraging comments.In this paper,a Multi-Index Nonlinear Robust Adaptive Control (MINRAC) method was proposed for ultra-complex multi-input multi-output power systems with uncertain parameter factors and external disturbances,and the controller designed by this method has excellent static and dynamic characteristics.After our unanimous discussion,we think that the research content conforms to the content of the article,so we do not change the title of “Research on Robust Adaptive Control of Strong Nonlinear Complex Large Power Grids” . 7. In conclusion part, more future works and challenges should be recommended. Reply: Future works and challenges have been recommended in conclusion part on Page 9. 8. To improve the quality of the paper, it is recommended to improve the English writing skills. Reply: According to your suggestion,we have correct grammatical mistakes of the manuscript. Comments to the authors of reviewer #2: In this work, a Multi-Index Nonlinear Robust Adaptive Control (MINRAC) method has been proposed for ultra-complex multi-input multi-output power systems with uncertain parameter factors and external disturbances. However, in order to further improve the quality of this manuscript, the comments in the uploaded file should be carefully considered. Reply: Many thanks for your encouraging comments.We have considered the comments in the uploaded files,and we also have carefully revised the paper. Attachments Attachment Submitted filename: Response to Reviewers.docx https://doi.org/10.1371/journal.pone.0300099.r002
23 Feb 2024 Decision Letter - Dhanamjayulu C, Editor Research on Robust Adaptive Control of Strong Nonlinear Complex Large Power Grids PONE-D-23-43214R1 Dear Dr. We’re pleased to inform you that your manuscript has been judged scientifically suitable for publication and will be formally accepted for publication once it meets all outstanding technical requirements. Within one week, you’ll receive an e-mail detailing the required amendments. When these have been addressed, you’ll receive a formal acceptance letter and your manuscript will be scheduled for publication. An invoice for payment will follow shortly after the formal acceptance. To ensure an efficient process, please log into Editorial Manager at http://www.editorialmanager.com/pone/, click the 'Update My Information' link at the top of the page, and double check that your user information is up-to-date. If you have any billing related questions, please contact our Author Billing department directly at authorbilling@plos.org. If your institution or institutions have a press office, please notify them about your upcoming paper to help maximize its impact. If they’ll be preparing press materials, please inform our press team as soon as possible -- no later than 48 hours after receiving the formal acceptance. Your manuscript will remain under strict press embargo until 2 pm Eastern Time on the date of publication. For more information, please contact onepress@plos.org. Kind regards, Dhanamjayulu C, Ph.D & Post.Doc Academic Editor PLOS ONE Additional Editor Comments (optional): The authors have revised the properly for reviewers concerns Reviewers' comments: https://doi.org/10.1371/journal.pone.0300099.r003
Formally Accepted
24 May 2024 Acceptance Letter - Dhanamjayulu C, Editor PONE-D-23-43214R1 PLOS ONE Dear Dr. Huang, I'm pleased to inform you that your manuscript has been deemed suitable for publication in PLOS ONE. Congratulations! Your manuscript is now being handed over to our production team. At this stage, our production department will prepare your paper for publication. This includes ensuring the following: * All references, tables, and figures are properly cited * All relevant supporting information is included in the manuscript submission, * There are no issues that prevent the paper from being properly typeset If revisions are needed, the production department will contact you directly to resolve them. If no revisions are needed, you will receive an email when the publication date has been set. At this time, we do not offer pre-publication proofs to authors during production of the accepted work. Please keep in mind that we are working through a large volume of accepted articles, so please give us a few weeks to review your paper and let you know the next and final steps. Lastly, if your institution or institutions have a press office, please let them know about your upcoming paper now to help maximize its impact. If they'll be preparing press materials, please inform our press team within the next 48 hours. Your manuscript will remain under strict press embargo until 2 pm Eastern Time on the date of publication. For more information, please contact onepress@plos.org. If we can help with anything else, please email us at customercare@plos.org. Thank you for submitting your work to PLOS ONE and supporting open access. Kind regards, PLOS ONE Editorial Office Staff on behalf of Dr. Dhanamjayulu C Academic Editor PLOS ONE https://doi.org/10.1371/journal.pone.0300099.r004

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