Method for actively and additionally recording data by sub stations to master station based on compression algorithm

Abstract

According to a method, put forward by the invention, for actively and additionally recording data by sub stations to a master station based on the compression algorithm, a master station and not less than one sub station are provided. The method comprises the following steps: each sub station is provided with a real-time transmission thread, a storage thread, a compression thread and an additional recording thread, the sub stations send acquired real-time data to the master station through the real-time transmission threads, states of communication links between the sub stations and the master station are determined, when the communication links are broken, the storage threads store the real-time data which need to be sent to the master station by the real-time transmission threads and which are companied with acquisition time scale, the compression threads compress and store the real-time data stored by the storage threads and set serial numbers for compressed data, the additional recording threads judge the states of the communication links between the sub stations and the master station in real time, when the communication links are normal, the additional recording threads determine whether the compressed data exist, and, if the compressed data exist, the additional recording threads actively upload the compressed data to the master station according to the serial numbers. The method is in favor of improving additional recording efficiency; and the larger the number of the sub stations is, the more obvious the efficiency is.

Description

technical field [0001] The invention relates to the technical field of data collection, in particular to a method for actively supplementing data from a substation to a master station based on a compression algorithm. Background technique [0002] At present, the data collection of the collection system can be divided into two communication methods: the master station survey method and the terminal active reporting method. No matter which method is adopted, incomplete data collection will inevitably occur. For the missing data, it is usually necessary for the main station to make a supplementary call. When the main station takes the initiative to call back the missing data collection due to communication interruption, the message transmission is bidirectional. Increasing this resource consumption will be even more serious. In addition, if the communication is interrupted for a long time, the amount of supplementary data recorded is astonishing, which will inevitably occup...

AI Technical Summary

Problems solved by technology

When the main station takes the initiative to call back the missing data collection due to communication interruption, the message transmission is bidirectional. Increasing this resource consumption will be even more severe

In addition, if the communication is interrupted for a long time, the amount of supplementary data will be amazing, which will inevitably occupy bandwidth

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