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Simultaneous Identification of Free and Supported Frequency Response Functions of a Rotor in Active Magnetic Bearings
 
 
Article
Peer-Review Record

Multiphysical Simulation, Model Order Reduction (ECSW) and Experimental Validation of an Active Magnetic Bearing

Actuators 2022, 11(6), 169; https://doi.org/10.3390/act11060169
by Johannes Maierhofer *, Christoph Dietz, Oliver M. Zobel and Daniel J. Rixen
Reviewer 1: Anonymous
Reviewer 2: Anonymous
Reviewer 3: Anonymous
Actuators 2022, 11(6), 169; https://doi.org/10.3390/act11060169
Submission received: 27 May 2022 / Revised: 13 June 2022 / Accepted: 14 June 2022 / Published: 17 June 2022

Round 1

Reviewer 1 Report

Multiphysical simulation of the sensors and actuators faces the problems of huge time costs and computational power. This work is aimed at solving this problem by developing a method model order reduction using the example of modeling an active magnetic bearing.

The work is well structured and the main results are well presented. Plausibility testing based on comparison of simulation results with experiment gives encouraging results. Important methodological issues related to multiphysical simulation of the actuator are raised and discussed.

I think that such work can be accepted as it is.

Author Response

Thanks for your effort and your kind review. I took the effort to further improve two graphics and a few sentences. See the changes marked in blue in the provided diff file.

Reviewer 2 Report

1. The paper presents a technique for the model reduction of the magnetic bearing system for the generation of virtual sensor outputs that enable diagnosis- and monitoring systems. The reduced model is used to calculate a non-measurable physical quantity (here force) and uses a measurable quantity (temperature) to check for plausibility.

2. I consider the topic relevant in the field of simulation of magnetic bearings because the presented technique allows the calculation of the non-measurable force generated by the magnetic bearings to enable monitoring systems.

3.The paper presents a multiphysics simulation of the magnetic bearing system based on the reduced model, what is not published in other material. 4. In my opinion, the presented research is complete.

5. The conclusions are consistent with the rest of the paper.

6. The references are appropriate.

7. Tables and figures are prepared correctly.

Author Response

Thanks for your effort and your kind review. I took the effort to further improve two graphics and a few sentences. See the changes marked in blue in the provided diff file.

Reviewer 3 Report

The proposed paper deals with an interesting topic "Multiphysical Simulation, Model Order Reduction (ECSW) and Experimental Validation of an Active Magnetic Bearing". The paper is readable and well written. The description of the method and the theoretical analysis seens to be correct and  its showing many interesting  simulations results after analytical and computational process. The quality of the paper is high and it is relevant for Actuators journal.  I have just a few comments in the manuscript:

1. On line 37 it is necessary to correct the grammar

2.  Within Chapter 2, it is necessary to add a more detailed description of the individual construction parts (dimensions,)

3. In the part of the description of the experimental setup, I recommend adding several photos with graphical highlighting and description of some parts of the setup and with their more detailed explanation.

Author Response

Thanks for your effort and your kind review.  
@1  ok  
@2  The picture is only symbolically for all machines of that type. Despite that I added a few more details to make the figure more clear.  
@3  I added description labels to the photo. I hope it becomes clearer with that. I'm not sure if more pictures would really provide more information but need a lot of space and distract from the content.

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