Journal of Mechanical Science and Technology

The Korean Society of Mechanical Engineers (대한기계학회)
권호 표지

CNC-implemented Fault Diagnosis and Web-based Remote Services

  • Kim Dong Hoon (Department of Intelligence & Precision Machines, Korea Institute of Machinery & Materials (KIMM)) ;
  • Kim Sun Ho (Department of Mechatronics Engineering, Dong- Eui University) ;
  • Koh Kwang Sik (School of Electrical Engineering and Computer Science, Kyungpook National University)
  • Published : 2005.05.01
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Abstract

Recently, the conventional controller of machine-tool has been increasingly replaced by the PC-based open architecture controller, which is independent of the CNC vendor and on which it is possible to implement user-defined application programs. This paper proposes CNC­implemented fault diagnosis and web-based remote services for machine-tool with open architecture CNC. The faults of CNC machine-tool are defined as the operational faults occupied by over $70{\%}$ of all faults. The operational faults are unpredictable as they occur without any warning. Two diagnostic models, the switching function and the step switching function, were proposed in order to diagnose faults efficiently. The faults were automatically diagnosed through the fault diagnosis system using the two diagnostic models. A suitable interface environment between CNC and developed application modules was constructed for the internal function of CNC. In addition, a suitable web environment was constructed for remote services. The web service functions, such as remote monitoring and remote control, were implemented, and their operability was tested through the web. The results obtained through this research could be a model of fault diagnosis and remote servicing for machine-tool with open architecture CNC.

Keywords

References

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