Virtual-Flipped-Physical Teaching for Planetary Gear Fault Diagnosis with Model-Experiment Verification

Yang Yi; Jiao Ting; Zhang Lun; Cheng Zhe; Hu Niaoqing

doi:10.2991/978-94-6239-758-3_72

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Virtual-Flipped-Physical Teaching for Planetary Gear Fault Diagnosis with Model-Experiment Verification

Authors

Yang Yi¹^{, 2}^{, *}, Jiao Ting¹, Zhang Lun¹, Cheng Zhe¹^{, 2}, Hu Niaoqing¹^{, 2}

¹College of Intelligence Science and Technology, National University of Defense Technology, Changsha, 410073, Hunan, China

²National Key Laboratory of Equipment State Sensing and Smart Support, College of Intelligence Science and Technology, National University of Defense Technology, Changsha, 410073, Hunan, China

^*Corresponding author. Email: turbineyy@163.com

Corresponding Author

Yang Yi

Available Online 8 September 2026.

DOI: 10.2991/978-94-6239-758-3_72 How to use a DOI?
Keywords: Virtual-Flipped-Physical; planetary gear; broken-tooth fault; condition monitoring and fault diagnosis; engineering education
Abstract: Condition monitoring and fault diagnosis (CMFD) is difficult to teach because students must connect mechanical dynamics, signal processing, sensing, and diagnostic reasoning with real rotating machinery. This paper presents a Virtual-Flipped-Physical (VFP) teaching case for sun-gear broken-tooth diagnosis in a planetary gearbox. Students first use a simplified dynamic model to calculate characteristic frequencies and observe simulated mesh-frequency sidebands. They then explain the modulation mechanism and common calculation errors in a flipped classroom before verifying the expected features on a two-stage planetary gear test rig. The paper emphasizes model-experiment comparison as a teaching task: the simulation provides a clean dynamic-transmission-error response, whereas the experiment measures casing acceleration under different speed and transmission-path conditions. By comparing the two, students learn to separate kinematic prediction, dynamic modulation, and measurement-path effects. The case offers a compact, reproducible teaching design that links virtual preparation, classroom reasoning, and physical verification.
Copyright: © 2026 The Author(s)
Open Access: Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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Volume Title: Proceedings of the 2026 7th International Conference on Management Science and Engineering Management (ICMSEM 2026)
Series: Advances in Economics, Business and Management Research
Publication Date: 8 September 2026
ISBN: 978-94-6239-758-3
ISSN: 2352-5428
DOI: 10.2991/978-94-6239-758-3_72 How to use a DOI?
Open Access: Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

Cite this article

ris enw bib

TY  - CONF
AU  - Yang Yi
AU  - Jiao Ting
AU  - Zhang Lun
AU  - Cheng Zhe
AU  - Hu Niaoqing
PY  - 2026
DA  - 2026/09/08
TI  - Virtual-Flipped-Physical Teaching for Planetary Gear Fault Diagnosis with Model-Experiment Verification
BT  - Proceedings of the 2026 7th International Conference on Management Science and Engineering Management (ICMSEM 2026)
PB  - Atlantis Press
SP  - 725
EP  - 734
SN  - 2352-5428
UR  - https://doi.org/10.2991/978-94-6239-758-3_72
DO  - 10.2991/978-94-6239-758-3_72
ID  - Yi2026
ER  -

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