| 流向图在行星齿轮箱故障诊断中的应用 |
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| 引用本文： | 于军,于德水. 流向图在行星齿轮箱故障诊断中的应用[J]. 中国机械工程, 2018, 29(10): 1208 |
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| 作者姓名： | 于军 于德水 |
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| 作者单位： | 1.哈尔滨理工大学自动化学院，哈尔滨，1500802.哈尔滨工业大学机电学院，哈尔滨，150001 |
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| 基金项目： | 国家自然科学基金资助项目（61673142，51275136）National Natural Science Foundation of China（No. 61673142，51275136） |
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| 摘 要： | 针对行星齿轮箱诊断过程复杂和诊断结果准确率低的问题，提出了一种基于流向图的行星齿轮箱故障诊断方法。该方法通过流向图构建算法直观地表示行星齿轮箱的故障诊断知识，利用流向图约简算法删除不必要的征兆属性节点，以简洁的形式表示属性之间的因果关系，利用流向图分类决策算法确定待诊实例的故障类型。仿真和实验结果证明了该方法的准确性和直观性，为行星齿轮箱的故障诊断提供了一种新颖的解决思路。
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| 关 键 词： | 流向图 行星齿轮箱 故障诊断 约简 分类决策 |
Applications of Flow Graph to Fault Diagnosis of Planetary Gearboxes |
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| YU Jun,YU Deshui. Applications of Flow Graph to Fault Diagnosis of Planetary Gearboxes[J]. China Mechanical Engineering, 2018, 29(10): 1208 |
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| Authors: | YU Jun YU Deshui |
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| Affiliation: | 1.School of Automation， Harbin University of Science and Technology， Harbin， 1500802.School of Mechanical and Electrical Engineering， Harbin Institute of Technology， Harbin,150001 |
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| Abstract: | Aimed at the problems of complex diagnosis processes of planetary gearboxes and low accuracy of diagnosis results， a fault diagnosis method of planetary gearboxes was proposed based on flow graph.In this method， a construction algorithm of flow graph was utilized to intuitively represent the fault diagnosis knowledges of planetary gearboxes.Then， a reduction algorithm of flow graph was applied to removing unnecessary condition attribute nodes.The consequent relationship among attributes was represented in the simplest manner.Finally， a classification decision algorithm of flow graph was employed to determine fault types of test samples.The simulation and experimental results confirm the accuracy and intuitiveness of this method， which provide a novel way for fault diagnosis of planetary gearboxes. |
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| Keywords: | flow graph planetary gearbox fault diagnosis reduction classification decision |
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