Peer Review History
| Original SubmissionApril 16, 2025 |
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PONE-D-25-18605Enhanced Multi-Horizon Photovoltaic Power Forecasting: A Novel Approach Integrating ICEEMDAN Decomposition with Hierarchical Frequency Neural NetworksPLOS ONE Dear Dr. Wang, 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. Please submit your revised manuscript by Aug 08 2025 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. When you're ready to submit your revision, log on to https://www.editorialmanager.com/pone/ and select the 'Submissions Needing Revision' folder to locate your manuscript file. Please include the following items when submitting your revised manuscript:
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Thank you for stating the following in the Acknowledgments Section of your manuscript: [The financial support of the Shandong Provincial Natural Science Foundation (Grant Number: ZR2023QD165) and the Consultancy Research Projects of Shandong Academy of Chinese Engineering Science and Technology Strategy for Development, ”Research on Green and Low Carbon Transition Strategy of Shandong Electrical Power” (Grant Number: 202301SDZD01), is gratefully acknowledged.] We note that you have provided funding information that is not currently declared in your Funding Statement. However, funding information should not appear in the Acknowledgments section or other areas of your manuscript. We will only publish funding information present in the Funding Statement section of the online submission form. Please remove any funding-related text from the manuscript and let us know how you would like to update your Funding Statement. 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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. Has the statistical analysis been performed appropriately and rigorously? Reviewer #1: Yes Reviewer #2: Yes ********** 3. Have the authors made all data underlying the findings in their manuscript fully available? The PLOS Data policy requires authors to make all data underlying the findings described in their manuscript fully available without restriction, with rare exception (please refer to the Data Availability Statement in the manuscript PDF file). The data should be provided as part of the manuscript or its supporting information, or deposited to a public repository. For example, in addition to summary statistics, the data points behind means, medians and variance measures should be available. If there are restrictions on publicly sharing data—e.g. participant privacy or use of data from a third party—those must be specified. Reviewer #1: Yes Reviewer #2: Yes ********** 4. Is the manuscript presented in an intelligible fashion and written in standard English? 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: The proposed ICIAL model effectively integrates ICEEMDAN decomposition with a hierarchical frequency-based neural network using Conv1D-BiGRU-Attention for high-frequency components and LSTM for low-frequency components. The methodological framework is strong, with a clear rationale for decomposing the signal, treating frequency components separately, and incorporating improved relative position encoding (IRPE) for better temporal feature capture. The experimental validation is comprehensive and includes a solid set of baseline comparisons, ablation studies, and multi-step forecasting under various strategies (MIMO, Direct, Recursive).Based on a thorough reading of the manuscript titled "Enhanced Multi-Horizon Photovoltaic Power Forecasting: A Novel Approach Integrating ICEEMDAN Decomposition with Hierarchical Frequency Neural Networks", here is a more detailed, point-wise constructive review with further revision suggestions: 1. The manuscript requires substantial language editing to improve clarity, eliminate redundancy, and correct grammatical and syntactical issues. Sentences are often overly long, repetitive, or use awkward phrasing. Examples include: “...prediction value prediction,” “as shown as fig 1 shown,” or “...effectively mitigated the randomness of experimental results, ensuring the reliability of the conclusions,” which can be streamlined. The writing can be significantly tightened for better impact. 2. Further revisions are needed in the following areas to strengthen the manuscript: 3. Clearly distinguish the novelty of ICIAL from similar recent hybrid models (e.g., CEEMDAN-LSTM, VMD-CNN-LSTM). 4. Provide more justification for model design choices such as the selection of Conv1D-BiGRU-Attention and use of IRPE over absolute position encoding. 5. Clarify the implementation of ICEEMDAN (e.g., decomposition stopping criteria, noise level β) and make parameter tuning steps reproducible. 6. Include a public code repository or supplementary material containing core scripts, hyperparameters, and a reproducible pipeline. 7. Refine figure captions and make all figures self-contained and interpretable. Several figures (e.g., Fig 3, Fig 6, Fig 9) are referenced in the text without sufficient description. Reviewer #2: 1. Summary of the Manuscript This manuscript presents a hybrid deep learning approach for photovoltaic (PV) power forecasting that integrates signal decomposition (ICEEMDAN) with a two-branch neural network architecture consisting of a ConvBiGRU-Attention model for high-frequency components and an LSTM model for low-frequency trends. The framework is further enhanced using an Improved Relative Position Encoding (IRPE) mechanism and Particle Swarm Optimization (PSO) for hyperparameter tuning. Performance evaluation across multiple strategies—Direct, Recursive, and Multi-Input Multi-Output (MIMO)—on two real-world datasets (DKASC and Solar I) demonstrates that the proposed ICIAL model outperforms several strong baseline models in both short-term and long-term forecasting scenarios. 2. Strengths a. Novel and Comprehensive Methodology The manuscript introduces a novel decomposition-based hybrid model that effectively addresses the challenge of non-stationarity in PV power data. The combination of ICEEMDAN and hierarchical modeling based on frequency components is a well-thought-out innovation that enhances the interpretability and predictive capacity of the network. The dual-branch architecture ensures that both transient and long-term trends are captured effectively. b. Strong Empirical Validation The model is validated using rigorous ablation studies and comparisons with state-of-the-art models (e.g., ITransformer, DA-GU, Informer, TCN). Notably, the use of 30-round Wilcoxon Signed-Rank Tests provides strong statistical backing for the model’s performance claims and significantly enhances the manuscript's credibility. c. Multi-Strategy Forecasting Evaluation The inclusion of three distinct forecasting strategies—Direct, Recursive, and MIMO—reflects an excellent understanding of practical forecasting frameworks. The consistent superiority of the ICIAL model under the MIMO strategy is particularly compelling for long-term applications. d. Real-World Dataset Utilization The choice of the DKASC and Solar I datasets, which exhibit different levels of complexity and variability, allows for a robust demonstration of model generalizability. The Solar I dataset's incorporation of anomalous meteorological data further emphasizes the model's robustness under realistic, challenging conditions. e. Interpretability and Feature Engineering The feature selection process using the Pearson correlation coefficient, the detailed decomposition rationale, and the structured explanation of the IRPE mechanism and attention modules contribute to the transparency and replicability of the methodology. 3. Weaknesses and Limitations a. Lack of Uncertainty Quantification The manuscript primarily reports point predictions. In real-world energy systems, especially with renewable sources, quantifying uncertainty (e.g., prediction intervals) is essential for risk-aware decision-making. b. Generalization to Other Energy Domains While the results for solar PV data are convincing, the manuscript could benefit from a brief discussion on whether this hybrid framework is generalizable to other renewable sources such as wind or hydroelectric power forecasting. c. Interpretability of Attention Scores While the attention mechanism is well-explained, the actual interpretability of attention weights in the context of PV data is not illustrated. Visualizing or analyzing attention weights could provide insights into temporal dependencies and enhance transparency. d. Computational Complexity and Scalability The manuscript does not discuss the computational cost of the proposed method. Given the dual-branch structure, ICEEMDAN preprocessing, and PSO optimization, a brief complexity analysis or comparison in runtime versus baselines would add practical value. 4. Recommendations for Improvement Incorporate Uncertainty Estimates Include prediction intervals or probabilistic forecasts using techniques like quantile regression or dropout-based Bayesian approximation to enhance the practical utility of the model. Discuss Computational Overhead Provide a brief section quantifying the model's training time and resource requirements compared to baseline models to help readers assess scalability. Enhance Interpretability Include a visualization of attention scores or relevance weights to demonstrate how the model learns temporal features in PV power data. Generalization Potential Briefly comment on the adaptability of this hybrid model to other time-series prediction problems in renewable energy or beyond. Explicit Hyperparameter Selection Rationale Although PSO is used, detail how initial hyperparameter ranges were chosen (based on domain knowledge, prior studies, etc.) to improve reproducibility. 5. Suggested Citations for Contextual Enhancement DOI: 10.54216/JAIM.090104 DOI: 10.54216/MOR.030204 DOI: 10.1109/ACCESS.2019.2955983 DOI: 10.32604/cmc.2022.028550 DOI: 10.1016/j.eswa.2023.122147 ********** 6. PLOS authors have the option to publish the peer review history of their article (what does this mean?). If published, this will include your full peer review and any attached files. If you choose “no”, your identity will remain anonymous but your review may still be made public. Do you want your identity to be public for this peer review? For information about this choice, including consent withdrawal, please see our Privacy Policy. Reviewer #1: No Reviewer #2: No ********** [NOTE: If reviewer comments were submitted as an attachment file, they will be attached to this email and accessible via the submission site. Please log into your account, locate the manuscript record, and check for the action link "View Attachments". If this link does not appear, there are no attachment files.] While revising your submission, please upload your figure files to the Preflight Analysis and Conversion Engine (PACE) digital diagnostic tool, https://pacev2.apexcovantage.com/. PACE helps ensure that figures meet PLOS requirements. To use PACE, you must first register as a user. Registration is free. 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. |
| Revision 1 |
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Enhanced Multi-Horizon Photovoltaic Power Forecasting: A Novel Approach Integrating ICEEMDAN Decomposition with Hierarchical Frequency Neural Networks PONE-D-25-18605R1 Dear Dr. Wang, 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 will be generated when your article is formally accepted. Please note, if your institution has a publishing partnership with PLOS and your article meets the relevant criteria, all or part of your publication costs will be covered. Please make sure your user information is up-to-date by logging into Editorial Manager at Editorial Manager® and clicking the ‘Update My Information' link at the top of the page. For questions related to billing, please contact billing support. 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, Sibarama Panigrahi, PhD Academic Editor PLOS ONE Additional Editor Comments (optional): The authors have satisfactorily addressed the suggestions made by the reviewers. Therefore, I recommend accepting the manuscript in its present form. Reviewers' comments: Reviewer's Responses to Questions Comments to the Author 1. If the authors have adequately addressed your comments raised in a previous round of review and you feel that this manuscript is now acceptable for publication, you may indicate that here to bypass the “Comments to the Author” section, enter your conflict of interest statement in the “Confidential to Editor” section, and submit your "Accept" recommendation. Reviewer #1: All comments have been addressed ********** 2. 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 ********** 3. Has the statistical analysis been performed appropriately and rigorously? Reviewer #1: Yes ********** 4. Have the authors made all data underlying the findings in their manuscript fully available? The PLOS Data policy requires authors to make all data underlying the findings described in their manuscript fully available without restriction, with rare exception (please refer to the Data Availability Statement in the manuscript PDF file). The data should be provided as part of the manuscript or its supporting information, or deposited to a public repository. For example, in addition to summary statistics, the data points behind means, medians and variance measures should be available. If there are restrictions on publicly sharing data—e.g. participant privacy or use of data from a third party—those must be specified. Reviewer #1: Yes ********** 5. Is the manuscript presented in an intelligible fashion and written in standard English? 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 ********** 6. 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: (No Response) ********** 7. PLOS authors have the option to publish the peer review history of their article (what does this mean?). If published, this will include your full peer review and any attached files. If you choose “no”, your identity will remain anonymous but your review may still be made public. Do you want your identity to be public for this peer review? For information about this choice, including consent withdrawal, please see our Privacy Policy. Reviewer #1: No ********** |
| Formally Accepted |
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PONE-D-25-18605R1 PLOS ONE Dear Dr. Wang, 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 You will receive further instructions from the production team, including instructions on how to review your proof when it is ready. Please keep in mind that we are working through a large volume of accepted articles, so please give us a few days 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. You will receive an invoice from PLOS for your publication fee after your manuscript has reached the completed accept phase. If you receive an email requesting payment before acceptance or for any other service, this may be a phishing scheme. Learn how to identify phishing emails and protect your accounts at https://explore.plos.org/phishing. 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. Sibarama Panigrahi Academic Editor PLOS ONE |
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