A method and system for identifying and processing abnormal monitoring data

A technology for monitoring data and processing systems, applied in the direction of electrical digital data processing, special data processing applications, database updates, etc., can solve the problems of not considering the changes in equipment time and the accuracy of recognition is not high, and achieve time-related performance, increasing weight, and avoiding the effect of abnormal data

Active Publication Date: 2022-06-03
SICHUAN CHANGHONG ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these methods do not consider the change of equipment in time, and the accuracy of recognition is not high

Method used

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  • A method and system for identifying and processing abnormal monitoring data
  • A method and system for identifying and processing abnormal monitoring data

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Step 1: According to the number of data items of the monitoring data, confirm and assign the corresponding identification positions of each data item. example

[0049] Step 6.1: According to the identification field, query the record whose identification field is not 0.

[0056] Step 11: perform a prediction operation on the threshold filter to match the current time state.

Embodiment 2

[0064] & (bitwise AND), | (bitwise OR), ^ (bitwise exclusive OR), ~ (bitwise negation).

[0065] The bitwise AND operation calculates the corresponding bits of the two operational components bit by bit according to the following rules:

[0066] 0&0=0, 0&1=0, 1&0=0, 1&1=1.

[0067] That is, the same bit is 1, the result is 1, otherwise the result is 0.

[0068] For example, if an identification data binary data is as follows:

[0069]00000111

[0077] |monitored value-predicted value|

[0078] Threshold value=(monitoring value 1+monitoring value 2+...+monitoring value m) / m*15%.

[0079] Audit Correction Module

[0080] The review and correction module is displayed through a visual interface, and for the suspected abnormal data automatically identified by the system,

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Abstract

The invention discloses a method and system for identifying and processing abnormal monitoring data. The invention uses the data prediction principle of Kalman filter to predict the monitoring data to be analyzed and judged, and compares the predicted value with the monitoring value to preliminarily judge whether the monitoring data is abnormal , for the abnormal data in the preliminary judgment, carry out secondary correction through manual supervision, update the filter and update the threshold model for the corrected result, the present invention is different from the general data model filtering, and considers the change of equipment in time The weight of the current normal monitoring value is increased, which has time correlation and is more in line with scenarios such as changes in the monitoring environment and instrument loss.

Description

A method and system for identifying and processing abnormal monitoring data technical field The present invention relates to abnormal data identification and data cleaning technical field, relate in particular to a kind of identification of abnormal data monitoring and processing methods and systems. Background technique At present, with the continuous development of sensor technology, more and more data are collected. The policy can provide strong support for related industries. However, the data collected by the equipment cannot be accurate for every item. Various reasons cause abnormal data, and abnormal data may be used for analysis and decision-making to make wrong judgments. Therefore, It is particularly important to judge and process the abnormality of the collected data items. For error data processing in abnormal data, At present, the commonly used processing methods are: eliminating outliers by means of clustering, regression, binning, etc.; Cloth to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/215G06F16/23G06F16/248
CPCG06F16/215G06F16/23G06F16/248Y02P90/02
Inventor 罗小娅
Owner SICHUAN CHANGHONG ELECTRIC CO LTD
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