China Mechanical Engineering ›› 2025, Vol. 36 ›› Issue (12): 2936-2943.DOI: 10.3969/j.issn.1004-132X.2025.12.016
Zhenke BAO(
), Huajun CAO(
), Fengze QIN, Zhixiang CHEN, Guibao TAO
Received:2025-01-18
Online:2025-12-25
Published:2025-12-31
Contact:
Huajun CAO
通讯作者:
曹华军
作者简介:包振科,男,2000年生,硕士研究生。研究方向为铣削加工刀具磨损状态监测。E-mail:2698566059@qq.com基金资助:CLC Number:
Zhenke BAO, Huajun CAO, Fengze QIN, Zhixiang CHEN, Guibao TAO. Tool Wear Monitoring Based on IWOA-IECA-BiLSTM Model[J]. China Mechanical Engineering, 2025, 36(12): 2936-2943.
包振科, 曹华军, 秦逢泽, 陈志祥, 陶桂宝. 基于IWOA-IECA-BiLSTM模型的刀具磨损监测[J]. 中国机械工程, 2025, 36(12): 2936-2943.
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URL: https://www.cmemo.org.cn/EN/10.3969/j.issn.1004-132X.2025.12.016
| 函数名 | 维度 | 范围 | 最优值 |
|---|---|---|---|
| F1(Sphere) | 30/10/200 | [-100, 100] | 0 |
| F2(Schwefel 2.22) | 30/10/200 | [-10, 10] | 0 |
| F3(Schwefel 1.2) | 30/10/200 | [-100, 100] | 0 |
| F4(Schwefel 2.21) | 30/10/200 | [-100, 100] | 0 |
| F5(Rastrigin) | 30/10/200 | [-5.12, 5/12] | 0 |
| F6(Griewwank) | 30/10/200 | [-600, 600] | 0 |
| F7(Penalized) | 30 | [-50, 50] | 0 |
| F8(Six-Hump camel) | 2 | [-5, 5] | -1.0316 |
| F9(Beale) | 2 | [-4.5, 4.5] | 0 |
| F10(Cross-in-tray) | 2 | [-10, 10] | -2.0626 |
Tab.1 Test benchmark functions
| 函数名 | 维度 | 范围 | 最优值 |
|---|---|---|---|
| F1(Sphere) | 30/10/200 | [-100, 100] | 0 |
| F2(Schwefel 2.22) | 30/10/200 | [-10, 10] | 0 |
| F3(Schwefel 1.2) | 30/10/200 | [-100, 100] | 0 |
| F4(Schwefel 2.21) | 30/10/200 | [-100, 100] | 0 |
| F5(Rastrigin) | 30/10/200 | [-5.12, 5/12] | 0 |
| F6(Griewwank) | 30/10/200 | [-600, 600] | 0 |
| F7(Penalized) | 30 | [-50, 50] | 0 |
| F8(Six-Hump camel) | 2 | [-5, 5] | -1.0316 |
| F9(Beale) | 2 | [-4.5, 4.5] | 0 |
| F10(Cross-in-tray) | 2 | [-10, 10] | -2.0626 |
| 函数 | 统计结果 | IWOA | WOA | GWO | PSO | SCA |
|---|---|---|---|---|---|---|
| F1 | Mean | 0 | 5.51×10 | 5.51×10 | 3.85×103 | 1.16×101 |
| Std | 0 | 1.08×10 | 8.36×10 | 4.46×103 | 2.48×101 | |
| F2 | Mean | 0 | 8.57×10 | 9.98×10 | 4.82×104 | 1.19×10 |
| Std | 0 | 1.91×10 | 9.22×10 | 3.30×105 | 2.15×10 | |
| F3 | Mean | 0 | 1.35×10 | 2.61×10 | 1.07×106 | 1.32×103 |
| Std | 0 | 1.87×10 | 5.38×10 | 1.15×106 | 4.44×103 | |
| F4 | Mean | 0 | 2.69×10 | 3.10×10 | 2.82×101 | 2.97×101 |
| Std | 0 | 2.95×10 | 3.57×10 | 5.97 | 1.00×101 | |
| F5 | Mean | 0 | 0 | 0 | 2.93×103 | 1.61×102 |
| Std | 0 | 0 | 0 | 2.01×103 | 8.26×101 | |
| F6 | Mean | 0 | 0 | 0 | 1.81 | 4.73×10 |
| Std | 0 | 0 | 0 | 9.22×10 | 2.95×10 | |
| F7 | Mean | 9.97×10 | 4.27×10 | 2.44×10 | 2.68×106 | 8.35×105 |
| Std | 2.11×10 | 5.09×10 | 5.36×10 | 1.17×107 | 2.78×106 | |
| F8 | Mean | |||||
| Std | 8.25×10 | 1.06×10 | 9.18×10 | 2.70×10 | 4.89×10 | |
| F9 | Mean | 6.05×10 | 1.36×10 | 1.96×10 | 5.61×10 | 4.47×10 |
| Std | 3.14×10 | 2.11×10 | 2.35×10 | 1.52×10 | 5.25×10 | |
| F10 | Mean | |||||
| Std | 2.26×10 | 4.08×10 | 1.50×10 | 8.88×10 | 3.67×10 |
Tab.2 Comparison of optimization results of 6 algorithms
| 函数 | 统计结果 | IWOA | WOA | GWO | PSO | SCA |
|---|---|---|---|---|---|---|
| F1 | Mean | 0 | 5.51×10 | 5.51×10 | 3.85×103 | 1.16×101 |
| Std | 0 | 1.08×10 | 8.36×10 | 4.46×103 | 2.48×101 | |
| F2 | Mean | 0 | 8.57×10 | 9.98×10 | 4.82×104 | 1.19×10 |
| Std | 0 | 1.91×10 | 9.22×10 | 3.30×105 | 2.15×10 | |
| F3 | Mean | 0 | 1.35×10 | 2.61×10 | 1.07×106 | 1.32×103 |
| Std | 0 | 1.87×10 | 5.38×10 | 1.15×106 | 4.44×103 | |
| F4 | Mean | 0 | 2.69×10 | 3.10×10 | 2.82×101 | 2.97×101 |
| Std | 0 | 2.95×10 | 3.57×10 | 5.97 | 1.00×101 | |
| F5 | Mean | 0 | 0 | 0 | 2.93×103 | 1.61×102 |
| Std | 0 | 0 | 0 | 2.01×103 | 8.26×101 | |
| F6 | Mean | 0 | 0 | 0 | 1.81 | 4.73×10 |
| Std | 0 | 0 | 0 | 9.22×10 | 2.95×10 | |
| F7 | Mean | 9.97×10 | 4.27×10 | 2.44×10 | 2.68×106 | 8.35×105 |
| Std | 2.11×10 | 5.09×10 | 5.36×10 | 1.17×107 | 2.78×106 | |
| F8 | Mean | |||||
| Std | 8.25×10 | 1.06×10 | 9.18×10 | 2.70×10 | 4.89×10 | |
| F9 | Mean | 6.05×10 | 1.36×10 | 1.96×10 | 5.61×10 | 4.47×10 |
| Std | 3.14×10 | 2.11×10 | 2.35×10 | 1.52×10 | 5.25×10 | |
| F10 | Mean | |||||
| Std | 2.26×10 | 4.08×10 | 1.50×10 | 8.88×10 | 3.67×10 |
| 实验加工条件 | 参数 |
|---|---|
| 机床 | Roders Tech RFMT60 |
| 数据采集卡 | NIDAQPCI1200 |
| 加速度传感器 | Kistle8636C |
| 工业显微镜 | LEICA MZ12 |
| 力传感器 | Kistler9265B 三向测力仪 |
| 电荷放大器 | Kistler5019A 电荷放大器 |
| 声发射传感器 | Kistler 8152 |
| 刀具 | 球头硬质合金铣刀3齿 |
| 切削材料 | 不锈钢(HRC52) |
Tab. 3 Experimental condition
| 实验加工条件 | 参数 |
|---|---|
| 机床 | Roders Tech RFMT60 |
| 数据采集卡 | NIDAQPCI1200 |
| 加速度传感器 | Kistle8636C |
| 工业显微镜 | LEICA MZ12 |
| 力传感器 | Kistler9265B 三向测力仪 |
| 电荷放大器 | Kistler5019A 电荷放大器 |
| 声发射传感器 | Kistler 8152 |
| 刀具 | 球头硬质合金铣刀3齿 |
| 切削材料 | 不锈钢(HRC52) |
| 序号 | 特征名称 | 序号 | 特征名称 |
|---|---|---|---|
| 1 | 平均值 | 17 | 均方根频率 |
| 2 | 平方根均值平方 | 18 | 频率幅值方差 |
| 3 | 最大值 | 19 | 频域幅值偏度 |
| 4 | 峰峰值 | 20 | 频率幅值峭度 |
| 5 | 标准差 | 21 | 频率标准差 |
| 6 | 均方根值 | 22 | 频域频率歪度 |
| 7 | 波形因子 | 23 | 频域频率峭度 |
| 8 | 脉冲因子 | 24 | 平方根比率 |
| 9 | 清晰因子 | 25 | 能量值1 |
| 10 | 峰值因子 | 26 | 能量值2 |
| 11 | 偏度 | 27 | 能量值3 |
| 12 | 峭度 | 28 | 能量值4 |
| 13 | 频域幅值平均值 | 29 | 能量值5 |
| 14 | 重心频率 | 30 | 能量值6 |
| 15 | 均方频率 | 31 | 能量值7 |
| 16 | 频率方差 | 32 | 能量值8 |
Tab.4 Characteristic index
| 序号 | 特征名称 | 序号 | 特征名称 |
|---|---|---|---|
| 1 | 平均值 | 17 | 均方根频率 |
| 2 | 平方根均值平方 | 18 | 频率幅值方差 |
| 3 | 最大值 | 19 | 频域幅值偏度 |
| 4 | 峰峰值 | 20 | 频率幅值峭度 |
| 5 | 标准差 | 21 | 频率标准差 |
| 6 | 均方根值 | 22 | 频域频率歪度 |
| 7 | 波形因子 | 23 | 频域频率峭度 |
| 8 | 脉冲因子 | 24 | 平方根比率 |
| 9 | 清晰因子 | 25 | 能量值1 |
| 10 | 峰值因子 | 26 | 能量值2 |
| 11 | 偏度 | 27 | 能量值3 |
| 12 | 峭度 | 28 | 能量值4 |
| 13 | 频域幅值平均值 | 29 | 能量值5 |
| 14 | 重心频率 | 30 | 能量值6 |
| 15 | 均方频率 | 31 | 能量值7 |
| 16 | 频率方差 | 32 | 能量值8 |
| 实验组 | 训练集+验证集 | 测试集 |
|---|---|---|
| 第1组 | C1+ C4 | C6 |
| 第2组 | C1+ C6 | C4 |
| 第3组 | C4+ C6 | C1 |
Tab.5 Experimental settings
| 实验组 | 训练集+验证集 | 测试集 |
|---|---|---|
| 第1组 | C1+ C4 | C6 |
| 第2组 | C1+ C6 | C4 |
| 第3组 | C4+ C6 | C1 |
| 测试集 | 学习率 | BiLSTM隐藏神经元数目 | dropout |
|---|---|---|---|
| C1 | 1.6×10-4 | 136 | 0.1 |
| C4 | 7.21×10-5 | 110 | 0.4 |
| C6 | 7.75×10-5 | 135 | 0.1 |
Tab.6 Optimization hyper parameters of the model
| 测试集 | 学习率 | BiLSTM隐藏神经元数目 | dropout |
|---|---|---|---|
| C1 | 1.6×10-4 | 136 | 0.1 |
| C4 | 7.21×10-5 | 110 | 0.4 |
| C6 | 7.75×10-5 | 135 | 0.1 |
| 模型 | C1 | C4 | C6 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| MAE | RMSE | R2 | MAE | RMSE | R2 | MAE | RMSE | R2 | |
| A | 5.20 | 6.50 | 0.95 | 10.81 | 12.46 | 0.88 | 7.82 | 9.28 | 0.95 |
| B | 6.86 | 8.31 | 0.93 | 11.12 | 13.34 | 0.82 | 9.75 | 11.24 | 0.94 |
| C | 7.65 | 9.12 | 0.92 | 10.86 | 13.57 | 0.79 | 11.00 | 12.64 | 0.93 |
| D | 10.36 | 12.47 | 0.73 | 12.47 | 15.13 | 0.69 | 16.04 | 17.97 | 0.85 |
Tab.7 Model evaluation index
| 模型 | C1 | C4 | C6 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| MAE | RMSE | R2 | MAE | RMSE | R2 | MAE | RMSE | R2 | |
| A | 5.20 | 6.50 | 0.95 | 10.81 | 12.46 | 0.88 | 7.82 | 9.28 | 0.95 |
| B | 6.86 | 8.31 | 0.93 | 11.12 | 13.34 | 0.82 | 9.75 | 11.24 | 0.94 |
| C | 7.65 | 9.12 | 0.92 | 10.86 | 13.57 | 0.79 | 11.00 | 12.64 | 0.93 |
| D | 10.36 | 12.47 | 0.73 | 12.47 | 15.13 | 0.69 | 16.04 | 17.97 | 0.85 |
| 模型 | C1 | C4 | C6 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| MAE | RMSE | R2 | MAE | RMSE | R2 | MAE | RMSE | R2 | |
| SSEA-BP | 7.29 | 10.08 | 0.94 | 12.44 | 14.62 | 0.93 | 12.00 | 13.53 | 0.91 |
| CAHSMM | 6.25 | 8.07 | NA | 17.73 | 22.03 | NA | 18.90 | 22.78 | NA |
| OSVR | 7.0 | 8.7 | NA | 7.1 | 10.1 | NA | 7.3 | 10.4 | NA |
| RNN | 13.1 | 15.6 | NA | 16.7 | 19.7 | NA | 25.5 | 32.9 | NA |
| Deep LSTMs | 8.3 | 12.1 | NA | 8.7 | 10.2 | NA | 15.2 | 18.9 | NA |
| 1D-CNN | 8.22 | 10.22 | NA | 15.05 | 17.56 | NA | 14.97 | 18.33 | NA |
| IWOA-IECA-BiLSTM | 5.2 | 6.5 | 0.95 | 10.81 | 12.46 | 0.88 | 7.82 | 9.28 | 0.95 |
Tab.8 Indicators of citation models
| 模型 | C1 | C4 | C6 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| MAE | RMSE | R2 | MAE | RMSE | R2 | MAE | RMSE | R2 | |
| SSEA-BP | 7.29 | 10.08 | 0.94 | 12.44 | 14.62 | 0.93 | 12.00 | 13.53 | 0.91 |
| CAHSMM | 6.25 | 8.07 | NA | 17.73 | 22.03 | NA | 18.90 | 22.78 | NA |
| OSVR | 7.0 | 8.7 | NA | 7.1 | 10.1 | NA | 7.3 | 10.4 | NA |
| RNN | 13.1 | 15.6 | NA | 16.7 | 19.7 | NA | 25.5 | 32.9 | NA |
| Deep LSTMs | 8.3 | 12.1 | NA | 8.7 | 10.2 | NA | 15.2 | 18.9 | NA |
| 1D-CNN | 8.22 | 10.22 | NA | 15.05 | 17.56 | NA | 14.97 | 18.33 | NA |
| IWOA-IECA-BiLSTM | 5.2 | 6.5 | 0.95 | 10.81 | 12.46 | 0.88 | 7.82 | 9.28 | 0.95 |
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