Journal of Shanghai Jiaotong University ›› 2015, Vol. 49 ›› Issue (06): 793-798.

• Automation Technique, Computer Technology • Previous Articles     Next Articles

Fault Diagnosis of Robots Based on Multi-Sensor Information Fusion

WANG Xiuqing1,HOU Zengguang2,ZENG Hui3,L Feng1,PAN Shiying1   

  1. (1. Vocational and Technical Institule, Hebei Normal University, Shijiazhuang 050024,  China;2. Key Laboratory of Complex Systems and Intelligence Science, Institute of Automation, Chinese Academy of Sciences, Beijing 100090, China; 3. School of Automation, University of Science and Technology Beijing, Beijing 100083, China)
  • Received:2015-03-18 Online:2015-06-29 Published:2015-06-29

Abstract:

Abstract: A novel multi-sensor information fusion method  combined with the support vector machine (SVM) was proposed  in diagnosing three types of faults  which are collision, front collision and obstruction, as the robot’s arm approaches the grasping place.   After fusing the proper number of the data from multisensors and searching the optimal parameters C and γ of the SVM by grid searching, the proposed method can successfully diagnose the faults of obstruction, front collision and collision. Besides,  the selection of the number of the features of data to be fused by multisensor information fusion was discussed. The experimental results show that the selection of the proper number of the fusing features of the sampling data influences the number of fusion data obtained and the accuracy of classification.

Key words: multi-sensor information fusion, robot, fault diagnosis, classification; support vector machine (SVM)

CLC Number: