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Optimization Study of the Vehicle Body NTF with the Introduction of A Third Variable
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Chenglong Zheng1, Lin Chang2, Kaiyan Wang3, Yingwei Gong1, Xinmin Zhang1
Automobile Technology | 2024, (5) : 58 - 62
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Automobile Technology | 2024, (5): 58-62
Optimization Study of the Vehicle Body NTF with the Introduction of A Third Variable
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Chenglong Zheng1, Lin Chang2, Kaiyan Wang3, Yingwei Gong1, Xinmin Zhang1
Affiliations
  • 1 Beijing Vocational College of Transport, Beijing 100010
  • 2 RIOH Automobile Testing Technology Co., Ltd., Beijing 100088
  • 3 Shenyang Ligong University, Shenyang 110159
Published: 2024-05-24 doi: 10.19620/j.cnki.1000-3703.20230170
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To address the issue that eliminating a peak value of sound pressure level in the noise transfer function during the optimization of vehicle body noise transfer function for vehicle preparation can easily lead to new peak values of noise sound pressure level, an optimization method for vehicle body noise transfer function with the introduction of control variables is proposed. Taking the cab of a certain model as the research object, an optimization model is constructed, with the thickness of the structural panels in the cab as the variable. The proposed algorithm is used to iteratively optimize the relevant parameters. The results show that this method effectively reduces the peak value of sound pressure level in the noise transfer function within the target frequency band.

Noise transmission function  /  Control variable  /  Contribution
Chenglong Zheng, Lin Chang, Kaiyan Wang, Yingwei Gong, Xinmin Zhang. Optimization Study of the Vehicle Body NTF with the Introduction of A Third Variable[J]. Automobile Technology, 2024 , (5) : 58 -62 . DOI: 10.19620/j.cnki.1000-3703.20230170
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doi: 10.19620/j.cnki.1000-3703.20230170
  • Online Date：2025-12-23
  • Published：2024-05-24
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Affiliations
    1 Beijing Vocational College of Transport, Beijing 100010
    2 RIOH Automobile Testing Technology Co., Ltd., Beijing 100088
    3 Shenyang Ligong University, Shenyang 110159
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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
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Genus		 种数
Number of
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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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