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Method for dynamically determining and optimizing parameter importance in manufacturing process of plasma display screen

A plasma display screen and manufacturing process technology, applied in cold cathode manufacturing, electrode system manufacturing, discharge tube/lamp manufacturing, etc., to achieve the effect of improving yield, saving time and resource costs, and reducing scrap rate

Active Publication Date: 2013-08-07
湖州南浔双鑫建设发展有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

Through each feature extraction method, we can get a series of features that characterize the data; but each method can only explain the data from one aspect

Method used

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  • Method for dynamically determining and optimizing parameter importance in manufacturing process of plasma display screen
  • Method for dynamically determining and optimizing parameter importance in manufacturing process of plasma display screen
  • Method for dynamically determining and optimizing parameter importance in manufacturing process of plasma display screen

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Embodiment Construction

[0015] A method for dynamically determining and optimizing the importance of parameters in a plasma display manufacturing process, comprising the following steps:

[0016] Step 1. According to the date of the production data of the whole process provided by the user, a database of production data of the whole process production process is constructed;

[0017] Step 2. Perform serial processing on the data content of all processes in the whole process, and divide them according to the level or bad type of plasma screens, and divide the plasma screens belonging to a specific level or specific bad type into one group, and other plasma screens into one group. group, and then align the parameters in the production process corresponding to the plasma screens between the groups to form the whole process data;

[0018] Step 3, carry out missing value processing and normalization processing to the whole process data formed in step 2:

[0019] Described missing value processing refers ...

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Abstract

The invention discloses a method for dynamically determining and optimizing parameter importance in the manufacturing process of a plasma display screen. The method comprises the following steps of according to product grades and defective types of the production process of the plasma display screen, adopting a feature extracting technique; and after a plurality of feature extracting results are given, organically combining a multiple-feature extracting method into the integrating feature extracting process, so as to obtain more stable feature extracting results from multiple angles. The defects and the instability of the single-feature extracting method are overcome, and the finally formed production data of the plasma display screen are more soundly, stably and practically displayed.

Description

technical field [0001] The invention relates to a data mining technology for the characteristics of the plasma display manufacturing process, in particular to a dynamic determination and optimization method for the importance of the parameters of the plasma display manufacturing process. Background technique [0002] The determination of the importance of the parameters in the plasma display manufacturing process directly affects the final quality level of the plasma display. In the past, the importance of the parameters in the plasma display manufacturing process was determined through experimental design and repeated verification during the construction period. With the expansion of production planning and 7*24 hours of uninterrupted mass production, if the traditional test design method is continued, a lot of manpower and kinetic energy consumption costs will be wasted. At the same time, the production line needs to be shut down to debug and design the importance of test p...

Claims

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Application Information

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IPC IPC(8): H01J9/00
Inventor 郑理李涛王鹏年雷鸣段冰张春陈小军何根
Owner 湖州南浔双鑫建设发展有限公司
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