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Method for real time unconventionality judging and dynamic alarming

An abnormal judgment and dynamic technology, applied in the direction of instruments, computer control, simulators, etc., can solve the problems that are difficult to be controlled and solved in time, and the out-of-control situation cannot be found in the first time, so as to achieve simple operation, strong real-time performance, high efficiency effect

Inactive Publication Date: 2007-09-26
SHANGHAI BAOSIGHT SOFTWARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The disadvantage of this method is that it is impossible to discover the out-of-control situation of the process at the first time, making it difficult to control and solve the abnormality in time

Method used

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  • Method for real time unconventionality judging and dynamic alarming
  • Method for real time unconventionality judging and dynamic alarming
  • Method for real time unconventionality judging and dynamic alarming

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Embodiment Construction

[0017] As shown in Figure 1, the present invention carries out the method for real-time abnormality judgment and dynamic warning and comprises the following steps:

[0018] The client alarm parameter setting steps, setting the judgment rules of the control chart and the upper and lower limits of the trend chart, and selecting the alarm method.

[0019] In the abnormal judgment step, according to the set abnormal judgment rules of the control chart and the upper and lower limits of the trend graph, real-time analysis and abnormal judgment are performed on the collected real-time data of the production site, and the detected abnormal information is sent. In this step, the real-time control chart in the SPC is analyzed and abnormally judged according to the national standard of the SPC. At the same time, according to the upper and lower limits set by the real-time trend graph, the abnormal judgment of exceeding the limit is carried out. When an exception is found, the exception ...

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Abstract

This invention discloses one method to realize abnormal judgment and dynamic alarming, which comprises the following steps: customer end alarming parameter setting step; setting control pattern judgment rules and trend top and down limit and selecting alarming type; abnormal judging and processing real time analyzing and abnormal judging on collection spot real data; alarming step to receive abnormal information and distributing alarm information.

Description

technical field [0001] The invention relates to a method for real-time abnormal judgment and dynamic alarm in a quality analysis system. Background technique [0002] SPC (statistical process control) and trend analysis are the main components of the quality analysis system. SPC is a process control tool with the help of mathematical statistics. It analyzes and evaluates the production process, discovers the symptoms of systemic factors in time according to the feedback information, and takes measures to eliminate its influence, so that the process can be maintained in a controlled state only affected by random factors, so as to improve and ensure product quality. Purpose. When the process is only affected by random factors, the process is in a state of statistical control (abbreviated as controlled state); when there are systematic factors in the process, the process is in a statistically out-of-control state (abbreviated as out-of-control state). When the process is out...

Claims

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Application Information

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IPC IPC(8): G05B19/048
Inventor 李之夏
Owner SHANGHAI BAOSIGHT SOFTWARE CO LTD
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