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Method and device for intelligent monitoring and abnormal diagnosis of production line equipment processing stability

A production line equipment and intelligent monitoring technology, applied in the field of CNC machine tools, can solve the problems of high cost and achieve the effects of low cost, high calculation efficiency and high precision

Active Publication Date: 2022-03-22
SHANGHAI JIAOTONG UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This patent is mainly limited to the monitoring of chatter, and multiple vibration measuring points need to be established inside the machine tool, which is costly

Method used

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  • Method and device for intelligent monitoring and abnormal diagnosis of production line equipment processing stability
  • Method and device for intelligent monitoring and abnormal diagnosis of production line equipment processing stability

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Embodiment Construction

[0041] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will facilitate further understanding of the present invention in any form of techniques, but will not limit the invention in any form. It should be noted that several modifications and improvements can be made without departing from the concept of the present invention without departing from the concept of the present invention. These are all of the scope of protection of the present invention.

[0042] Combine figure 1 This embodiment will be described in detail to the production line device of the production line of the present invention and the abnormal diagnosis method and apparatus for detailed description, such as figure 1 As shown, it includes the following steps:

[0043] S11: Take the front end of the spindle as an example, collect the spindle operation signal, and the vibration signal is collected in the front end bearing of the spindle is coll...

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Abstract

The invention discloses a method and device for intelligent monitoring and abnormal diagnosis of production line equipment processing stability. The method includes: collecting the working signal of the main shaft of the production line equipment; processing the collected main shaft working signal, extracting characteristic parameters reflecting the stability of the processing process, and setting a stability threshold line, so as to judge whether the processing process of the production line is stable based on the characteristic parameters, Realize the intelligent monitoring of the health state of the processing process; perform feature extraction, classification and recognition on the abnormal state of the processing process, input the feature value into the classification model for learning and training, and finally realize the diagnosis of the current state of the production line processing process. The device includes: a data acquisition module, a feature extraction module, an intelligent monitoring module and an abnormal diagnosis module connected in sequence. The invention can realize on-line monitoring and abnormal diagnosis of the processing stability of the production line equipment, effectively improves the processing efficiency of the production line equipment, and saves maintenance time and cost of the equipment.

Description

Technical field [0001] The present invention relates to the field of numerical control machine tools, and Background technique [0002] Manufacturing is one of the important industries that support my country's economic growth. It is an important foundation for improving my country's comprehensive national strength and scientific and technological competitiveness, especially the production and manufacturing technology of large-scale critical equipment has an important impact on the improvement of overall equipment manufacturing levels. In recent years, with the rapid development of global industrial technology and fierce competition in manufacturing at home and abroad, it has put forward higher requirements for machining precision, efficiency, cost, and equipment reliability. Can you master the advanced manufacturing technology has become The bottleneck and challenge of my country's manufacturing enterprise development. Status monitoring of production line equipment processing pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B23/02
CPCG05B23/0262G05B2219/24065
Inventor 许黎明邢诺贝谢朝珑董文有王北辰丁子涵周超辛庆伟
Owner SHANGHAI JIAOTONG UNIV
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