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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  • 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

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

Examples

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Example Embodiment

[0017] As shown in Figure 1, the method for real-time abnormality judgment and dynamic alarm of the present invention includes the following steps:

[0018] Client alarm parameter setting steps, set the discriminating rules of the control chart and the upper and lower limits of the trend chart, and select the alarm method.

[0019] The abnormality determination step, according to the set control chart abnormality rules and the upper and lower limits of the trend chart, conducts real-time analysis and abnormality judgment on the collected real-time data of the production site, and sends the detected abnormal information. 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, the over-limit abnormality judgment is performed according to the upper and lower limits set by the real-time trend graph. When an abnormality is found, the abnormal information will be sent in real time. The contro...

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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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