China Mechanical Engineering ›› 2026, Vol. 37 ›› Issue (5): 1017-1025.DOI: 10.3969/j.issn.1004-132X.2026.05.001
XIE Bingbing1(
), ZHAO Feng2,3, GUO Xinxing2,3, QIAO Li1, CHENG Sichuang2,3, LIU Xiaohui1, ZHANG Tongzhou2,3, HU Weifei2,3(
)
Received:2025-09-03
Online:2026-05-25
Published:2026-06-09
Contact:
HU Weifei
谢冰冰1(
), 赵峰2,3, 郭昕兴2,3, 乔莉1, 程思创2,3, 刘晓辉1, 张桐舟2,3, 胡伟飞2,3(
)
通讯作者:
胡伟飞
作者简介:谢冰冰,男,1991年生,博士、工程师。研究方向为风力发电机整机设计、整机载荷及动力学仿真。E-mail: xiebingbing.xny@crrcgc.cc基金资助:CLC Number:
XIE Bingbing, ZHAO Feng, GUO Xinxing, QIAO Li, CHENG Sichuang, LIU Xiaohui, ZHANG Tongzhou, HU Weifei. A Probabilistic Fatigue Life Prediction Method for Wind Turbine Towers Based on a Physics-informed Neural Network[J]. China Mechanical Engineering, 2026, 37(5): 1017-1025.
谢冰冰, 赵峰, 郭昕兴, 乔莉, 程思创, 刘晓辉, 张桐舟, 胡伟飞. 基于物理信息神经网络的风电机组塔筒概率疲劳寿命预测方法[J]. 中国机械工程, 2026, 37(5): 1017-1025.
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URL: https://www.cmemo.org.cn/EN/10.3969/j.issn.1004-132X.2026.05.001
| 案例 | 指标 | MLE | BNN | 本文方法 |
|---|---|---|---|---|
7-series 铝合金 | R2 | 0.64 | 0.56 | 0.80 |
| NRMSE | 0.18 | 0.19 | 0.13 | |
高强度 钢丝 | R2 | 0.36 | 0.53 | 0.59 |
| NRMSE | 0.31 | 0.26 | 0.24 |
Tab.1 Comparison results of different methods on the test sets of two different materials
| 案例 | 指标 | MLE | BNN | 本文方法 |
|---|---|---|---|---|
7-series 铝合金 | R2 | 0.64 | 0.56 | 0.80 |
| NRMSE | 0.18 | 0.19 | 0.13 | |
高强度 钢丝 | R2 | 0.36 | 0.53 | 0.59 |
| NRMSE | 0.31 | 0.26 | 0.24 |
| 序号 | 应力幅值/MPa | ||||
|---|---|---|---|---|---|
| 436 | 418 | 411 | 409 | 404 | |
| 1 | 3.043 | 3.101 | 3.379 | 3.333 | 3.455 |
| 2 | 2.855 | 3.277 | 3.245 | 3.373 | 3.633 |
| 3 | 2.959 | 3.198 | 3.296 | 3.353 | 3.541 |
Tab.2 Fatigue life logarithm test data of Q355 material
| 序号 | 应力幅值/MPa | ||||
|---|---|---|---|---|---|
| 436 | 418 | 411 | 409 | 404 | |
| 1 | 3.043 | 3.101 | 3.379 | 3.333 | 3.455 |
| 2 | 2.855 | 3.277 | 3.245 | 3.373 | 3.633 |
| 3 | 2.959 | 3.198 | 3.296 | 3.353 | 3.541 |
| 平均风速v/(m·s | 全年分布时间/h |
|---|---|
| 4 | 1268.100 |
| 6 | 1532.900 |
| 8 | 1510.900 |
| 10 | 1280.600 |
| 12 | 955.790 |
| 14 | 636.190 |
| 16 | 380.500 |
| 18 | 205.490 |
| 20 | 100.530 |
| 22 | 44.666 |
| 24 | 18.052 |
Tab.3 Annual cumulative hours per mean wind speed bin
| 平均风速v/(m·s | 全年分布时间/h |
|---|---|
| 4 | 1268.100 |
| 6 | 1532.900 |
| 8 | 1510.900 |
| 10 | 1280.600 |
| 12 | 955.790 |
| 14 | 636.190 |
| 16 | 380.500 |
| 18 | 205.490 |
| 20 | 100.530 |
| 22 | 44.666 |
| 24 | 18.052 |
| 生存概率/% | 年累积疲劳损伤 | 服役寿命/年 |
|---|---|---|
| 99.9 | 0.055 | 18.18 |
| 97.7 | 0.034 | 29.41 |
| 50.0 | 0.012 | 83.33 |
Tab.4 Summary of probabilistic fatigue life prediction results for the tower
| 生存概率/% | 年累积疲劳损伤 | 服役寿命/年 |
|---|---|---|
| 99.9 | 0.055 | 18.18 |
| 97.7 | 0.034 | 29.41 |
| 50.0 | 0.012 | 83.33 |
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