Structure strength test system based on intelligent wireless sensing network and method of visualization

A wireless sensor network and structural strength technology, applied in the testing of machines/structural components, measuring devices, instruments, etc., can solve problems such as large additional weight, complex lead wires, intelligence, and low degree of networking, and achieve high efficiency and cost, overcome the complexity of leads, and improve the effect of test accuracy

Inactive Publication Date: 2008-10-15
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

The invention uses the intelligent wireless sensor network for the static / fatigue test of large-scale engineering structures, overcomes the problems of the current test and test system, such as complex lead wires, large additional weight, low intelligence, and low degree of networking, and provides an intelligent wireless sensor network. The structural strength multi-point test system of the sensor network can effectively reduce the number of leads in the static / fatigue test system, improve test accuracy, and realize real-time and synchronous collection, transmission, display and storage of structural test data, with intelligent , high efficiency and low cost, can monitor up to 65535 network nodes at the same time

Method used

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  • Structure strength test system based on intelligent wireless sensing network and method of visualization
  • Structure strength test system based on intelligent wireless sensing network and method of visualization
  • Structure strength test system based on intelligent wireless sensing network and method of visualization

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Embodiment 1

[0054] Such as figure 1 As shown, this embodiment relates to a structural strength testing system based on an intelligent wireless sensor network, including a monitoring terminal and a sensor array arranged in the structure to be tested, and also includes a wireless sensor terminal node, a wireless routing node, a wireless base station A low-latency star-cluster wireless test network (hereinafter referred to as LCWTN) composed of nodes and monitoring terminals; the test structure of this embodiment is divided into two test structure units, wherein each test structure corresponds to a wireless sensing terminal node and a single The coordinator nodes form a synchronous cluster with a star topology, and all the network clusters, wireless routing nodes and monitoring terminals corresponding to the monitoring structure form a low-latency star cluster test network; the monitoring terminal is synchronized with the external structural strength test loading system, And it is started by...

Embodiment 2

[0070] Such as figure 1 with Figure 8 As shown, this embodiment relates to a visualization method of a structural strength testing system based on an intelligent wireless sensor network, including the following steps:

[0071] The first step: After the network layout and initialization, start the monitoring process, that is, send the operation of reading the network proximity table to the intelligent wireless sensor network, and read the network proximity table sent by the network to the host through the wireless base station node;

[0072] The second step: the monitoring process visually displays the distribution and network topology of each network node according to the network proximity table information;

[0073] The third step: the structural strength test loading system starts the test control process and test loading command, and the structural strength test system based on the intelligent wireless sensor network issues test data collection and transmission commands t...

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Abstract

The invention relates to a structure intensity testing system based on an intelligent wireless sensor network, which comprises a monitoring terminal, an intensity testing sensor array arranged in a structure to be tested, a wireless sensor terminal node, a wireless routing node and a wireless base station node, wherein, the wireless sensor terminal node collects structure response output of the intensity testing sensor array under each loading grade, and transmits the structure response output by the wireless sensor network through the wireless routing node and the wireless base station node in sequence to the monitoring terminal. The invention also relates to a method for the system to carry out communication, data collection and visualization. The system and method of the invention overcomes the problems that the existing structure intensity testing systems have complex leads, big added weight, low intellectualization and networking degree, etc., can effectively reduce the number of the leads in a static force/fatigue testing system, improve testing precision and realize real-time and simultaneous collection, transmission, display and storage of the structural test data, and has the advantages of intellectualization, high efficiency and low cost.

Description

1. Technical field [0001] The invention relates to a structural strength testing system, in particular to a structural strength multi-point testing system based on intelligent wireless sensor network technology, and at the same time relates to a method for visualizing the system. 2. Background technology [0002] Structural strength test is an important means to study the strength of engineering structures. The static / fatigue test of the structure is to observe the performance of the structure under load in a planned way and analyze the measured parameters such as pressure, displacement, amplitude, vibration frequency, fatigue life, etc., to make a conclusion on the working performance and bearing capacity of the structure. Correct evaluation and estimation, and provide a reliable basis for verifying and developing computational theory of structures. Taking aircraft structure as an example, fatigue, corrosion and wear of fuselage structure are the three main modes that caus...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28G01M19/00G01M99/00
Inventor 袁慎芳吴键尚盈丁建伟李耀曾
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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