1.浙江经济职业技术学院 汽车技术学院, 浙江 杭州310018
2.南京林业大学 机械电子工程学院, 江苏 南京 210037
3.南京林业大学 工程培训中心, 江苏 南京 210037
乔文山(1981— ),男,宁夏吴忠人,硕士,讲师;研究方向为汽车技术、故障诊断技术。
华晋(1976— ),男,江苏淮安人,硕士,高级实验师;研究方向为检测技术与装置,传感器
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乔文山,华晋,陈美宏.基于改进天牛须搜索优化SVM的车辆变速箱故障诊断[J].机械传动,2022,46(06):154-160.
Qiao Wenshan,Hua Jin,Chen Meihong.Fault Diagnosis of Vehicle Gearbox based on Support Vector Machine Optimized by Improved Beetle Antennae Search[J].Journal of Mechanical Transmission,2022,46(06):154-160.
乔文山,华晋,陈美宏.基于改进天牛须搜索优化SVM的车辆变速箱故障诊断[J].机械传动,2022,46(06):154-160. DOI: 10.16578/j.issn.1004.2539.2022.06.023.
Qiao Wenshan,Hua Jin,Chen Meihong.Fault Diagnosis of Vehicle Gearbox based on Support Vector Machine Optimized by Improved Beetle Antennae Search[J].Journal of Mechanical Transmission,2022,46(06):154-160. DOI: 10.16578/j.issn.1004.2539.2022.06.023.
针对支持向量机(SVM)在车辆变速箱故障诊断中性能受参数影响较大的实际,在研究天牛须搜索(BAS)的基础上,提出基于改进天牛须搜索(IBAS)优化SVM的车辆变速箱故障诊断新方法。相比于BAS,IBAS对步长公式进行了修正,同时增加了高斯变异行为,使得算法前后期的搜索能力得到了平衡且具有跳出局部最优的能力,能够获得更优的SVM参数。车辆变速箱故障诊断结果表明,所提方法有效提高了故障诊断的精度,相比于其他几种方法效果更优。
Aiming at the fact that the performance of support vector machine (SVM) in vehicle gearbox fault diagnosis is greatly affected by parameters,a new method of vehicle gearbox fault diagnosis based on improved SVM is proposed based on the research of beetle antennae search (BAS). Compared with BAS,IBAS modified the step size formula and added Gaussian variation behavior,so that the search ability of the algorithm in the early and late period is balanced and has the ability to jump out of the local optimal,and better SVM parameters could be obtained. The results of gearbox fault diagnosis show that the proposed method can effectively improve the accuracy of fault diagnosis,and the results are better than those of other methods.
天牛须搜索支持向量机变速箱故障诊断
Beetle antennae searchSupport vector machineGearboxFault diagnosis
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