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Distributed data acquisition system and method for large-scale multi-field coupling test equipment

A technology of distributed data and test equipment, applied in general control systems, control/regulation systems, measuring devices, etc., can solve problems such as waste of system resources, overlapping functions, overall development of large-scale multi-field coupling test system equipment, and inconvenient debugging , to achieve the effect of cost saving and flexible research and development

Active Publication Date: 2020-05-08
BEIHANG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It brings inconvenience to the overall development and debugging of large-scale multi-field coupling test system equipment
In addition, the independent data acquisition unit used in this technical means usually overlaps with the existing data acquisition devices in the development of each sensor sub-module in function, resulting in a waste of system resources to a certain extent

Method used

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  • Distributed data acquisition system and method for large-scale multi-field coupling test equipment
  • Distributed data acquisition system and method for large-scale multi-field coupling test equipment
  • Distributed data acquisition system and method for large-scale multi-field coupling test equipment

Examples

Experimental program
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Effect test

Embodiment 1

[0047] Such as figure 1 , 2 Among them, a distributed data acquisition system in a large-scale multi-field coupling test equipment, which consists of a main control system 1 and a variety of sensor sub-modules with different functions; the structure of each sensor sub-module is divided into: the upper part of the sub-module The machine contains software, a sensor reading and control system, and a sensor array arranged in the test unit; each sensor sub-module is connected to the main control system 1 through the gateway module 2; the various sensor sub-modules with different functions include Stress / strain, pressure, water / ice content, salt content, temperature sensors, etc.; according to the language type of the upper computer software development of each sub-module, whether the source code is open, and whether the sub-module sensor reading and control system supports program-controlled instruments Command criteria are classified into 4 types for conditions. Each type of sen...

Embodiment 2

[0064] A method using the above-mentioned distributed data acquisition system of large-scale multi-field coupling test equipment is characterized in that it includes the following steps:

[0065] S1. Divide the sub-modules of the sensor array in the test unit into sensor sub-modules with different functions in the test system according to the development language type of the upper computer of the sub-module of the sensor array, whether it is open source code, and whether it supports the program-controlled instrument command standard. There are 4 types:

[0066] Type 1 is a system in which the upper computer software of the sub-module is developed with LabVIEW language and is completely open source;

[0067] Type 2 is the sub-module host computer software written in a non-LabVIEW language, but open source sensor reading and control system;

[0068] Type 3 is that the upper computer software of the sub-module adopts a non-open source software system, but the sensor reading and ...

Embodiment 3

[0082] Such as figure 1Among them, a distributed data acquisition system in a large-scale multi-field coupling test equipment, including a main control system 1 and a variety of sensor sub-modules with different functions; for example: temperature, moisture / salt, ice content, etc. Quantity, stress and strain, structural pressure sensors, etc.; sensor sub-modules with various functions are divided into 4 types according to the development language type of the host computer, whether it is open source code, and whether it supports program-controlled instrument command standards; for example: moisture / salt molecule module The upper computer software of the upper computer software is developed in LabVIEW language and has an open source code; the upper computer software of the pressure sensor for structural detection and the stress and strain sub-module is developed in C# language and has an open source code; the upper computer of the temperature detection sub-module uses the non-ope...

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Abstract

The invention relates to the field of experiment detection equipment, in particular to a distributed data acquisition system and a distributed data acquisition method suitable for large-scale multi-field coupling test equipment. The distributed data acquisition system comprises a main control system and a plurality of sensor sub-modules with different functions, wherein hardware of each sensor sub-module is connected with the main control system by means of a gateway module. The distributed data acquisition method comprises the steps of: classifying the sensor sub-modules with different functions into four types according to the conditions of an upper computer software development language type of each sub-module, whether a source code is opened or not and whether a sub-module sensor reading and control system supports command standard of a program control instrument or not; and additionally arranging a data reading and control interface matched with each type of sensor sub-module in the sensor sub-module according to the characteristics of each type of sensor sub-module, and additionally arranging a corresponding data communication interface in software of a main control system torealize data exchange. The distributed data acquisition system and the distributed data acquisition method have the advantages when more sensor sub-modules with different functions are researched, developed, changed / increased or decreased in an equipment system, and facilitate the unification of data formats of transmission, processing and storage of multi-sensor data.

Description

technical field [0001] The invention relates to the technical field of multi-sensor test equipment, in particular to a distributed data acquisition system and method in large-scale multi-field coupling test equipment. Background technique [0002] Multi-field coupling test equipment in large-scale engineering, especially civil engineering, needs to comprehensively monitor multiple parameters such as temperature, moisture, salinity, stress, and strain in geological open systems. The joint action mechanism of the effects is supported by a large amount of data. It plays an important role in deeply understanding the causes of geological disasters and improving the prevention and control system. At present, advanced engineering multi-field coupling test equipment and related technologies have become one of the major needs of the country. [0003] In the prior art, a large-scale soil boundary value method is currently a feasible test method, that is, arranging more sensors of di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418G01D21/02
CPCG01D21/02G05B19/4183G05B19/4185Y02P90/02
Inventor 蔡微凌贤长
Owner BEIHANG UNIV
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