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Reliability Analysis for Random Vibration of Lithium-Ion Battery Packs in Heavy-Duty Mining Vehicles
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Mingjun ZHANG, Ruixin LI, Wei DUAN
Mining and Metallurgical Engineering | 2023, 43(4) : 178 - 181
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Mining and Metallurgical Engineering | 2023, 43(4): 178-181
• MATERIALS •
Reliability Analysis for Random Vibration of Lithium-Ion Battery Packs in Heavy-Duty Mining Vehicles
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Mingjun ZHANG, Ruixin LI, Wei DUAN
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  • Hunan Provincial Key Laboratory of Key Technologies for High-Performance Intelligent Manufacturing of Mechanical Equipment, Changsha University of Science & Technology, Changsha 410114, Hunan, China
Published: 2023-08-01 doi: 10.3969/j.issn.0253-6099.2023.04.038
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For evaluating vibration reliability of Li-ion battery packs used in heavy-duty mining vehicles, ANSYS, finite element software, was adopted to simulate Li-ion battery packs in a heavy-duty mining vehicle and calculate its stochastic vibration. Based on the test performed about random vibration of battery packs, it is found that the first modal frequency of the battery packs is 33.85 Hz, corresponding to the frequency of upper cover of battery packs, which is greater than the external excitation frequency transmitted by frame (30 Hz). thus low-order frequency resonance can be avoided and vibration reliability of the structure can be improved. The calculated stresses in the random vibration of key parts of battery packs, including stiffener, lower box, upper cover and battery brackets, are all lower than the yield strength of the corresponding materials, indicating the structural parts of battery packs meet the requirements for strength reliability. Permanent deformation and damage have not been found in the assembly of battery packs in the random vibration test, verifying the reliability of this simulative computation results.

modal analysis  /  random vibration  /  finite element simulation analysis  /  battery packs
Mingjun ZHANG, Ruixin LI, Wei DUAN. Reliability Analysis for Random Vibration of Lithium-Ion Battery Packs in Heavy-Duty Mining Vehicles[J]. Mining and Metallurgical Engineering, 2023 , 43 (4) : 178 -181 . DOI: 10.3969/j.issn.0253-6099.2023.04.038
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Year 2023 volume 43 Issue 4
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doi: 10.3969/j.issn.0253-6099.2023.04.038
  • Receive Date：2023-02-23
  • Online Date：2026-03-05
  • Published：2023-08-01
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  • Received：2023-02-23
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    Hunan Provincial Key Laboratory of Key Technologies for High-Performance Intelligent Manufacturing of Mechanical Equipment, Changsha University of Science & Technology, Changsha 410114, Hunan, China
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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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