基于HMM的機(jī)械設(shè)備運(yùn)行狀態(tài)評(píng)估與故障預(yù)測(cè)研究綜述
[Abstract]:With the increasing requirements of safety and reliability of electromechanical equipment, it is the key to improve the reliability of equipment to obtain the degradation characteristic information of the trend fault development history and establish an effective fault prediction model. The Hidden Markov Model (Hidden Markov Model,HMM) has the properties of double stochastic processes to describe the hidden state and the observed state, which is similar to the degradation process of the equipment to some extent, so it has become the research hotspot of the fault prediction model. This paper summarizes the methods of degradation assessment and prediction based on hidden Markov model at home and abroad, and emphatically discusses the methods of mechanical equipment fault prediction based on hidden Markov model and its improved method, hidden semi-Markov model (Hidden semi-Markov Model,HSMM). The advantages and disadvantages of various methods are analyzed and the trend of fault prediction based on hidden Markov model is summarized.
【作者單位】: 南通大學(xué)機(jī)械工程學(xué)院;
【基金】:國(guó)家自然科學(xué)基金項(xiàng)目(51405246) 江蘇省自然科學(xué)基金項(xiàng)目(BK20151271) 南通市應(yīng)用基礎(chǔ)研究-工業(yè)創(chuàng)新項(xiàng)目(No.GY12016010)資助~~
【分類(lèi)號(hào)】:TH17
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