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A Data Synchronization Method for Distributed Acquisition System

A technology of acquisition system and data synchronization, applied in the direction of electrical digital data processing, instruments, etc., can solve the problems of data acquisition rate difference, reduce work efficiency, time asynchrony, etc., to reduce workload, improve work efficiency, and ensure time synchronization Effect

Active Publication Date: 2018-04-03
AECC SICHUAN GAS TURBINE RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the data of each system is independently collected and stored separately. The time out of synchronization and the difference in data collection rate will bring huge troubles to data analysis, increase the workload and reduce work efficiency.

Method used

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Embodiment Construction

[0022] The present invention will be described in further detail below. A data synchronization method for a distributed acquisition system. The distributed acquisition system has the following four types of acquisition devices: A, B, C, and D: Type A acquisition devices have hardware trigger functions and time tag functions; Type B Acquisition device without hardware trigger function and time stamp function; Type C acquisition device with hardware trigger function but without time stamp function; Type D acquisition device without hardware trigger function and time stamp function; with hardware The acquisition device with trigger function performs a data acquisition after receiving a hardware trigger signal, and the four types of acquisition devices A, B, C, and D perform a data acquisition after receiving an acquisition command from the main control computer; with a time tag The function means that the collected data has a time tag; it is characterized in that the steps of dat...

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Abstract

The invention belongs to a data acquisition technology and relates to a data synchronization method for distributed acquisition systems. The data synchronization method is characterized by comprising the following steps of classifying acquisition apparatuses; determining a time reference signal; performing a data synchronization method for a type-A acquisition system; performing a data synchronization method for a type-B acquisition system; performing a data synchronization method for a type-C acquisition system; and performing a data synchronization method for a type-D acquisition system. According to the data synchronization method for the distributed acquisition systems, proposed by the invention, the time of the distributed acquisition systems is ensured to be synchronous, the trouble in data analysis caused by data acquisition rate difference is avoided, the workload is reduced, and the working efficiency is improved.

Description

technical field [0001] The invention belongs to data acquisition technology, and relates to a data synchronization method for a distributed acquisition system. Background technique [0002] At this stage, the test and test system is more and more inclined to multi-system cooperative work, and the working status of each system needs to be fully considered in various performance tests, function tests and fault analysis. In order to analyze data accurately and efficiently, the data of each system should have a unified time series, and the data of each system can be compared jointly. There are four types of acquisition devices in the current distributed acquisition system: A, B, C, and D types of acquisition devices: Type A acquisition devices have hardware trigger function and time tag function; Type B acquisition devices do not have hardware trigger function, Time stamp function; Class C acquisition devices have hardware trigger function but no time stamp function; Class D ac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F13/42
CPCG06F13/42
Inventor 师伟陈冕刘文双尹骥叶燕
Owner AECC SICHUAN GAS TURBINE RES INST