Nonlinear Blind Source Separation of Multi-Sensor signals for Marine Diesel Engine Fault Diagnosis

• Autorzy: Chenxing S. , Zhe T. , Yuelei Z.

Warianty tytułu

PL

Wykorzystanie nieliniowej ślepej separacja sygnałów wielu czujników do diagnostyki silnika Diesla w napędach okrętowych

• Języki publikacji: EN

Abstrakty

EN

Marine diesel engines are the heart of the ships. They provide the power for the normal propulsion of the vessels. Any unexpected failures occurred in the marine diesel engines may lead to terrible accident. It is therefore imperative to monitor the marine diesel engines to prevent impending faults. In the present work, a new defect detection method for the marine diesel engines using the artificial intelligence has been proposed. The vibration signals of the marine diesel engine were recorded by the multi-channel sensors. The nonlinear independent component analysis (NICA) was adopted as the data fusion approach to find the characteristic vibration signals of the marine diesel engine fault from the multiply sensor collections. Then the Empirical Mode Decomposition (EMD) was employed to extract the feature vector of the fused vibration signals. Lastly, the Genetic Algorithm-Chaos and RBF neural network was used to recognize the fault patterns of the marine diesel engine. The experimental tests were implemented in a real ship to evaluate the effectiveness of the proposed diagnosis approach. The diagnosis results have showed that distinguished fault features have been extracted and the fault identification accuracy is satisfactory. In addition, the classification rate of the proposed method is superior to the traditional linear ICA based methods.

PL

Wykorzystano nieliniową niezależną analizę składników NICA do diagnostyki wibracji silnika Diesla. Zastosowano metodę empirycznej dekompozycji EMD do separacji sygnałów. Następnie wykorzystano sieci neuronowe i algorytm genetyczny do identyfikacji uszkodzeń.

Słowa kluczowe

EN

marine diesel engine; fault diagnosis; nonlinear ICA; GA; chaos

PL

silniki okrętowe Diesla; diagnostyka; ślepa separacja; multiczujniki

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2013
• Tom: R. 89, nr 1b
• Strony: 271--274
• Opis fizyczny: Bibliogr. 18 poz., rys.

Twórcy

autor

Chenxing S.

• Key Laboratory of High Performance Ship Technology of Ministry of Education (Wuhan University of Technology), Wuhan 430063, China
• Reliability Engineering Institute, School of Energy and Power Engineering, Wuhan University of Technology, Wuhan 430063, China

autor

Zhe T.

• Key Laboratory of High Performance Ship Technology of Ministry of Education (Wuhan University of Technology), Wuhan 430063, China
• Reliability Engineering Institute, School of Energy and Power Engineering, Wuhan University of Technology, Wuhan 430063, China

autor

Yuelei Z.

• Key Laboratory of High Performance Ship Technology of Ministry of Education (Wuhan University of Technology), Wuhan 430063, China

Bibliografia

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