...Zhang Cheng; Wang Yun-Fei; Lao Yu-Yu; Li Yuan Aiming at the nonlinear and dynamic characteristics of data in automotive engine systems, a fault detection method based on canonical variate analysis combined with Bhattacharyya distance (CVA-BD) is proposed in this paper. First, CVA is utilized...

... is applied to accelerate them further, hence obtaining PCD-KELM-CIL and PCP-KELM-CIL. To test the effectiveness and efficacy of the proposed algorithms, experiments on benchmark datasets are carried out. When the proposed algorithms are applied to fault detection of aircraft engine, they show good...

...Moosa Ayati; Farzad A. Shirazi; Saeed Ansari-Rad; Alireza Zabihihesari Diesel engines are crucial components of trainsets. Automated fault detection of diesel engines can play an important role for increasing reliability of passenger trains. In this research, vibration-based fuel injection fault...

...Saeed Salavati; Karolos Grigoriadis; Matthew Franchek; Reza Tafreshi The full- and reduced-order fault detection filter design is examined for fault diagnosis in linear time-invariant (LTI) systems in the presence of noise and disturbances. The fault detection filter design problem is formulated...

... residual information. The EMB model as well as the proposed fault detection and estimation methods is verified in the EMB hardware-in-the-loop simulation (HILS) test bench. electromechanical brake fault detection fault estimation parity space BBW units can be divided into electrohydraulic...

... estimates quickly follow the faults, the fault detection delays are 0.35 s and 0.45 s, respectively, based on the signals d 1 and d 2 only. As it can be seen from the figure, the faults indicating signals d i , i = 1 , 2 are less sensitive...

... method for detection of incipient faults in gas turbine engines. The underlying algorithms for fault detection and classification are built upon the recently reported work on symbolic dynamic filtering. In particular, Markov model-based analysis of quasi-stationary steady-state time series is extended...

... 29 12 2011 compressors fault diagnosis fuel systems internal combustion engines mechanical engineering computing pressure sensors signal processing modeling engine exhaust pressure estimation model-based diagnostics fault detection isolation In the past, various...