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| 1 | 基于隐马尔科夫模型的故障诊断系统研究显示文摘在制造行业中,机械设备的状态检测技术能提供关于设备运行状态的实时信息,为避免生产损失和减少设备的致命故障提供保障。提出了一套基于小波变换和隐马尔科夫模型(HiddenMarkovModels,HMMs)的故障检测系统。提出了小波模极大值分布(WaveletModulusMaximaDistribution),并将之定义为诊断系统的观察量加以验证。同时该系统采用在线模型参数估计和培训算法,通过选取能最大化对数似然度的HMM模型,确定设备所处状态。 | 苗强 Viliam Makis | 2005 | 航空学报2005，26，5： | 13 |
| 2 | Health evaluation method for degrading systems subject to dependent competing risks显示文摘This paper proposes a health evaluation method for degrading systems subject to competing risks of dependent soft and hard failures. To characterize the time-varying degradation rate, the degradation process is determined by a non-stationary Gamma process and the soft failure is encountered when it exceeds a predefined critical level. For the hard failure, a Cox's proportional hazard model is applied to describe the hazard rate of the time to system failure. The dependent relationship is modeled by incorporating the degradation process as a time-varying covariate into the Cox's proportional hazard model. To facilitate the health characteristics evaluation, a discretization technique is applied both to the degradation process and the monitoring time.All health characteristics can be obtained in the explicit form using the transition probability matrix, which is computationally attractive for practical applications. Finally, a numerical analysis is carried out to show the effectiveness and the performance of the proposed health evaluation method. | ZHAO Shuai MAKIS Viliam CHEN Shaowei LI Yong | 2018 | Journal of Systems Engineering and Electronics2018，29，2： | 3 |
| 3 | ARX model - based gearbox fault detection and localization under varying load conditions显示文摘 | Yang M Viliam Makis | 2010 | Journal of Sound and Vi- bration2010，329，： | 1 |
| 4 | Adaptive state detection of gearboxes under varying load conditions based on parametric modeling 显示文摘 | ZHAN Yimin MAKIS Viliam JARDINE Andrew K S | 2006 | Mechanical Systems and Signal Processing2006，20，： | 1 |
| 5 | An application of DPCA to oil data for CBM modeling显示文摘 | Viliam Makis Wu Jianmou and Yah Gao | 2006 | European Journal of Operational Reaserch2006，174，0： | 1 |
| 6 | An application of DPCA to oil data for CBM modeling显示文摘 | Viliam Makis Wu Jianmou Gao Yan | 2008 | European Journal of Opera- tional Research2008，7，2： | 1 |
| 7 | Autoregressive model-based gear shaft fault diagnosis using the Kolmogorov-Smirnov test 显示文摘 | WANG XiYang WONG Viliam Makis | 2009 | Journal of Sound and Vibration2009，327，： | 1 |
| 8 | Adaptive state detection of gearboxes under varying load conditions based on par- ametric modeling 显示文摘 | ZHAN YIMIN MAKIS VILIAM JARDINE Andrew K S | 2006 | Mechanical Systems and Signal Processing2006，20，： | 1 |
| 9 | Autoregressive model-based gear shaft fault diagnosis using the Kolmogorov-Smirnov test显示文摘 | WANG XIYANG WONG VILIAM MAKIS | 2009 | Journal of Sound and Vibration2009，，327： | 1 |
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