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Kindly check the manuscript for typos and minor English grammar corrections. Thank you.
[# PeerJ Staff Note: Although the Academic Editor is happy to accept your article as being scientifically sound, a final check of the manuscript shows that it would benefit from further English editing. Therefore, please identify necessary edits and address these while in proof stage. PeerJ can provide language editing services - please contact us at copyediting@peerj.com for pricing (be sure to provide your manuscript number and title). Alternatively, you may approach your own choice of editing service provider. #]
The authors should incorporate the required minor changes, while submitting the final version of the manuscript.
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Manuscript is prepared in a nice manner. Still few recent literature can be included.
Details of the proposed method is to be explained with all data in a detailed manner.
results were compared with few existing methods.
The paper is well-organised with solid contribution. The reviewers made consistent suggestions, however one of the reviewers believed that the presentation of the manuscript should be further improved. Based on my personal reading, I agreed with the reviewers' comments. Please revise the manuscript carefully with a proof reading and highlight the background with more related references.
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This paper proposes a new improved ICA algorithm, the improved ICA is applied to the robot path optimization problems to solve the optimal path. The improved ICA algorithm improves the optimization ability and algorithm stability. The research has certain practical value in engineering. Some suggestions are provided to consider as follows:
1.Some examples where the language could be improved include line 153” as follows”.
2. The format of the picture name is not uniform,for example Figure 6 and Fig.9.
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This paper studies an improved imperialist competitive algorithm (ICA) which could solve the local optima and premature convergence disadvantages as an intelligent optimization algorithm. I believe the paper has some research value, but there are several suggestions for the author to consider:
1. In the fifth line of the first paragraph on page 6, ”spiral rise” is written as “spiral ris”. Please check the full text to confirm and correct spelling errors.
2. Some format problems. The table header of Table 7 should be written at the top of the table, so it is recommended to correct this typographical error. Please check the full text and make adjustments.
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This paper studies an improved imperialist competitive algorithm (ICA) which could improve the optimization ability and algorithm stability. I believe the paper is valueable in research or application , but there are several suggestions for the author to consider:
1. It is better not to use a reference about which you DO NOT KNOW the number of the volume and page numbers or, alternatively, the article/paper ID code; if solely the number of the issue is not known this does not matter much hence it can remain so. In references 9 and 117, there are missing both numbers of the volume numbers of the issue.
2.Some sentences are not precise in languages . In the sentence "Intelligent optimization algorithms have now become important means of solving
global optimization" of Abstract ,OF should be changed to FOR. Please check the full text and make adjustments.
The imperialist competitive algorithm (ICA) has been widely used in optimization problems, however, ICA tends to fall into a local optimal solution. To solve the problem, a new improved ICA algorithm is proposed in this paper. The research in this paper has urgent practical application needs, the methods and results in this paper are of great reference value. However, there are also some problems described below. Hope the authors correct seriously and meet publication requirements next time.
The paper needs a more comprehensive and in-depth literature review, and should summarize the research progress in recent three years. This fact can allow the reader to easily follow the importance of the authors' proposal regarding existing techniques.
The proposed method can be described in more detail by adding more mathematical expressions or the algorithm flowchart so that the reader can follow it better.
The paper must pay attention to the logic of some expressions and polish them to increase readability. At the same time, the paper also needs attention sentences concision and consistency (e.g. line. 231 to line 244).
Some scholars have made corresponding improvements in ICA algorithm. What are the advantages of the author's improvement compared with other ICA improvement methods.
It is suggested to further standardize the formula symbols in section 4.4，and all symbols and parameters in formula (13)-(15) should be explained clearly.
The conclusion should summarize the contributions and limitations of this paper, and point out some future work. This is very important.
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