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Modal Change Mechanism and Variable Interval Dynamic Sensitivity Analysis of Planetary Gear Transmission System
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Peng-fei YAN1, 2, Ya-ning LI1, 2, *, Qiang GAO1, 2, Fang-yu JIANG1, 2, Xiao-lei ZAN1, 2
Science Technology and Engineering | 2025, 25(10) : 4109 - 4117
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Science Technology and Engineering | 2025, 25(10): 4109-4117
• Papers·Mechanical and Instrumental Industry •
Modal Change Mechanism and Variable Interval Dynamic Sensitivity Analysis of Planetary Gear Transmission System
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Peng-fei YAN1, 2, Ya-ning LI1, 2, *, Qiang GAO1, 2, Fang-yu JIANG1, 2, Xiao-lei ZAN1, 2
Affiliations
  • 1 School of Mechanical Engineering, North University of China, Taiyuan 030051, China
  • 2 Shanxi Provincial Key Laboratory for Advanced Manufacturing Technology, North University of China, Taiyuan 030051, China
Published: 2025-04-08 doi: 10.12404/j.issn.1671-1815.2403896
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Aiming at the problem of determining the effective design range of parameters during the optimization design of planetary gear transmission system, the dynamic sensitivity of two-stage planetary gear transmission system parameters was studied. Taking the two-stage planetary gear transmission system of vehicle as the research object, the natural vibration model of the system was established by Lagrange, the vibration modal characteristics of the two-stage planetary system were summarized, the expression of the vibration energy of the planetary system was deduced, the distribution state and the law of the vibration energy transfer in the same order were studied, and the mode change mechanism of the natural frequency of the system was further explored. The vibration energy transfer essential of the system natural frequency mode transition triggered by parameter change was analyzed. The parameter sensitivity equation of the natural frequency of the system is derived, the influence law of the modal transition phenomenon on the parameter sensitivity was studied, and the dynamic change law of the natural frequency sensitivity with the change of the parameter value was revealed. The method of dividing the parameter sensitivity interval based on the modal transition phenomenon was proposed, which realizes the effective guidance for the selection of the variable value range in the optimization design stage.

planetary gear transmission system  /  mode transition  /  parametric sensitivity  /  energy of mode
Peng-fei YAN, Ya-ning LI, Qiang GAO, Fang-yu JIANG, Xiao-lei ZAN. Modal Change Mechanism and Variable Interval Dynamic Sensitivity Analysis of Planetary Gear Transmission System[J]. Science Technology and Engineering, 2025 , 25 (10) : 4109 -4117 . DOI: 10.12404/j.issn.1671-1815.2403896
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Year 2025 volume 25 Issue 10
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Article Info
doi: 10.12404/j.issn.1671-1815.2403896
  • Receive Date：2024-05-26
  • Online Date：2025-07-09
  • Published：2025-04-08
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History
  • Received：2024-05-26
  • Revised：2025-01-15
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Affiliations
    1 School of Mechanical Engineering, North University of China, Taiyuan 030051, China
    2 Shanxi Provincial Key Laboratory for Advanced Manufacturing Technology, North University of China, Taiyuan 030051, China
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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