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A Method Based on Multi-Sensor Data Fusion for Fault Detection of Planetary Gearboxes
State Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong University, No. 28 Xianning West Road, Xi’an 710049, China
State Key Laboratory of Mechanical Transmission, Chongqing University, No. 174 Shazhengjie, Chongqing 400044, China
* Author to whom correspondence should be addressed.
Received: 14 December 2011; in revised form: 16 January 2012 / Accepted: 21 January 2012 / Published: 10 February 2012
Abstract: Studies on fault detection and diagnosis of planetary gearboxes are quite limited compared with those of fixed-axis gearboxes. Different from fixed-axis gearboxes, planetary gearboxes exhibit unique behaviors, which invalidate fault diagnosis methods that work well for fixed-axis gearboxes. It is a fact that for systems as complex as planetary gearboxes, multiple sensors mounted on different locations provide complementary information on the health condition of the systems. On this basis, a fault detection method based on multi-sensor data fusion is introduced in this paper. In this method, two features developed for planetary gearboxes are used to characterize the gear health conditions, and an adaptive neuro-fuzzy inference system (ANFIS) is utilized to fuse all features from different sensors. In order to demonstrate the effectiveness of the proposed method, experiments are carried out on a planetary gearbox test rig, on which multiple accelerometers are mounted for data collection. The comparisons between the proposed method and the methods based on individual sensors show that the former achieves much higher accuracies in detecting planetary gearbox faults.
Keywords: planetary gearboxes; multiple sensors; data fusion; sun gear; fault detection
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Lei, Y.; Lin, J.; He, Z.; Kong, D. A Method Based on Multi-Sensor Data Fusion for Fault Detection of Planetary Gearboxes. Sensors 2012, 12, 2005-2017.
Lei Y, Lin J, He Z, Kong D. A Method Based on Multi-Sensor Data Fusion for Fault Detection of Planetary Gearboxes. Sensors. 2012; 12(2):2005-2017.
Lei, Yaguo; Lin, Jing; He, Zhengjia; Kong, Detong. 2012. "A Method Based on Multi-Sensor Data Fusion for Fault Detection of Planetary Gearboxes." Sensors 12, no. 2: 2005-2017.