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題 名 | On-Line Fault Diagnosis of Rotor Vibration by Using Signal-Based Feature Generation and Neural Fuzzy Inference=以信號基礎及模糊類神經推論進行轉子振動之線上故障診斷 |
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作 者 | 蕭亦隆; 郭起祥; 白明憲; 林進燈; | 書刊名 | 中國機械工程學刊 |
卷 期 | 20:4 1999.08[民88.08] |
頁 次 | 頁345-352 |
分類號 | 446.8406 |
關鍵詞 | 信號; 模糊類神經; 轉子振動; 線上故障; Signal-based; Fault diagnosis; Neural fuzzy inference; Rotor vibration; |
語 文 | 英文(English) |
中文摘要 | 本研究提出適用於轉子振動的線上錯誤診斷與分離的技術。系統的架構主要有特 徵的產生與錯誤推斷。利用以訊號為基礎的分析方式產生模糊神經與模糊推論所需的特徵。 以訊號為基礎計算側向與軸向的振動訊號的特徵,如平均值、標準差、最大值、倍頻。接著 ,以模糊類神經網路進行智慧推論。此所提出的系統以數位訊號處理器為平臺實現。離心風 扇與離心幫浦的實驗結果顯示所提出技術在預知維護方面的潛力。 |
英文摘要 | An on-line fault detection and isolation technique is proposed for the diagnosis of rotor vibration. The architecture of the systems mainly consists of feature generation and fault inference. A signal-based method is used for generating the features required by the subsequent neural fuzzy inference. In the signal-based approach, both lateral and axial vibration data are used for calculating signal features such as the average, the standard deviation, the maximum, and the harmonic multiples. A neural fuzzy network is exploited for intelligent inference of faults based on teh extracted features. The proposed systems are implemented on the platform of a digital signal processor. Experiments carried out for a rotor kit, a centrifugal fan, and a centrifugal pump indicate teh potential of the proposed techniques in predictive maintenance. |
本系統中英文摘要資訊取自各篇刊載內容。