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System and method for setting correlation tolerance limits by using repeated cross-validation

A tolerance limit and cross-validation technology, applied in general control systems, control/regulation systems, computer-executed nuclear control, etc., can solve the problems that cannot be prevented, increase the cost of experimental data, and the risk of distortion of data characteristics cannot be realized, etc., to achieve Quantify impact and prevent distortion of data characteristics

Active Publication Date: 2022-05-06
KEPCO NUCLEAR FUEL CO LTD
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Problems solved by technology

[0004] For limited cases, based on the fitting of the correlation coefficient of scattered data and the setting of tolerance limits, it is impossible to prevent the distortion of data characteristics due to accidental or human intervention and the resulting danger or the impact of which cannot be realized. Quantitative questions
[0005] Moreover, when independently operating independent experimental data groups with the same design or similar design characteristics, due to the potential influence of the reproducibility range of the experimental data and the differences in the detailed design characteristics, the division of over-appropriate risk and Its influence is subject to a certain limit, which will definitely increase the cost of additional production of experimental data

Method used

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  • System and method for setting correlation tolerance limits by using repeated cross-validation
  • System and method for setting correlation tolerance limits by using repeated cross-validation
  • System and method for setting correlation tolerance limits by using repeated cross-validation

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Embodiment Construction

[0029] The specific features and advantages of the present invention will become clearer through the following detailed description with reference to the accompanying drawings. Before the description, it should be noted that when it is judged that the specific description of known functions and configurations related to the present invention may confuse the gist of the present invention, the specific description will be omitted.

[0030] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

[0031] figure 1 is a configuration diagram showing a system for setting correlation tolerance limits by using repeated cross-validation according to an embodiment of the present invention. figure 2 is a schematic diagram of the extraction process of the variable extraction unit of the system for setting correlation tolerance limits by using repeated cross-validation according to an embodiment of the present invention. image 3 It is...

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Abstract

The present invention relates to a system and method for setting correlation tolerance limits by using repeated cross-validation, in the fitting of correlation coefficients and setting tolerance limits, in order to prevent the distortion of data characteristics due to accidental or human intervention and the resulting A system and method for setting relevant tolerance limits by using repeated cross-validation, and quantifying the impact. A system for setting correlation tolerance limits by using repeated cross-validation according to the present invention includes: a variable extraction unit that differentiates between training sets and validation sets, and fits correlation coefficients to extract variables; a normality testing unit that tests based on variable extraction The normality of the results; the DNBR limit unit, which tests for the same population according to whether it has normality, determines the allowable threshold for deviation from the nucleate boiling ratio; and, the control unit.

Description

technical field [0001] The present invention relates to a system and method for setting correlation tolerance limits by using repeated cross-validation. In more detail, when fitting correlation coefficients and setting correlation tolerance limits, in order to prevent distortion of data characteristics due to accidental or human intervention and thereby A system and method for setting relevant tolerance limits by using repeated cross-validation. Background technique [0002] At present, according to Korean Laid-Open Patent No. 2011-0052340, a method for evaluating the stop set value of the core state is disclosed. For each core state in more than 600 core states, the previously calculated Neutron beam distribution information, measuring device information for local over-output protection, and thermal hydraulic information, calculate the stop setting value, and then derive the relationship between the signal distribution information of the measuring device for local over-outp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G21C17/10
CPCG21D3/001G21C17/10Y02E30/30Y02E30/00G05B13/0265
Inventor 金康訓金秉奭南基日
Owner KEPCO NUCLEAR FUEL CO LTD
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