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Event-triggered wave pool/water tank experimental device and method thereof

An event-triggered, flume experiment technology is applied in the field of event-triggered wave pool/flume experimental devices, which can solve problems such as difficult instrument synchronization, safety incidents, and large redundant data, and achieve simple structure, convenient operation, and improved performance. The effect of synchronization performance

Active Publication Date: 2020-06-26
DALIAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, during the model test, the wave flow control system and the data acquisition system work independently. During the experiment, the staff often choose the start time and stop time of data acquisition based on experience, which will lead to a large amount of redundant data in the later data analysis. , which poses a big problem for the analysis
In addition, due to the different specifications of the instruments during the experiment, it is difficult to synchronize the work of all instruments. This problem causes the data collected by each instrument to have its own clock attribute, and it is difficult to analyze the data in the subsequent analysis. align
In addition, various instruments lacking integrated control are placed in various locations in the laboratory, and the on-site cables are chaotic, which may easily lead to safety incidents

Method used

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  • Event-triggered wave pool/water tank experimental device and method thereof
  • Event-triggered wave pool/water tank experimental device and method thereof
  • Event-triggered wave pool/water tank experimental device and method thereof

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with accompanying drawing.

[0025] Such as figure 1 As shown, an event-triggered wave pool / flume experimental data collection method includes the following steps:

[0026]Step 1. Design the acquisition control program. The acquisition control program is designed in the Windows PC with wave-making control, also called the main control machine. Here, VC++ is used for program design. The program starts the wave-making control program exe file, and through FindWindow( ...) and SendMessage(...) commands control the wave-making start button and stop button on the wave-making operation interface. In addition, the program includes the EtherCAT network control function, and runs as the EtherCAT master station DC distributed clock mode, in order to ensure The synchronous acquisition performance of each part of the experimental system;

[0027] Step 2. Electrical connection of instruments and equipment. Incorp...

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Abstract

The invention belongs to the technical field of ocean engineering experiments and discloses an event-triggered wave pool / water tank experimental device and a method thereof. The method comprises the following steps: a step of preparing a precursor; the method comprises: (1) designing an collection control program; (2) electrical connection of instruments and equipment; (3) installation of the instruments and equipment; (4) storage of a configuration file; (5) power-on operation of a system; (6) loading of a wave generation spectrum file; (7) detection of occurrence of an event; according to the experimental device, a sensing instrument used for a maritime work laboratory model test and wave generation control are fused into a whole only through a network cable; automatic collection controlof field data is carried out under event triggering, the distributed clock synchronization control performance of the EtherCAT network is brought into full play, and the synchronization performance of the whole experiment system and the experiment data collection efficiency are greatly improved.

Description

technical field [0001] The invention relates to an event-triggered wave pool / trough experimental device and a method thereof, belonging to the technical field of marine engineering experiments. Background technique [0002] Model test research is an important part of the scientific research work of the ocean engineering laboratory. Place the model designed according to the engineering scale in the wave flow pool / trough, and through the interaction research with the artificial wave field / flow field, the design ideas can be well verified, and the technologies existing in future projects can also be discovered Hidden danger. Therefore, having an efficient and advanced experimental system has become an important part of the construction of marine engineering laboratories. [0003] In order to meet the needs of marine engineering research, many scientific research institutes at home and abroad have invested in research and development of the instruments and equipment required f...

Claims

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Application Information

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IPC IPC(8): G01M10/00
CPCG01M10/00
Inventor 杜海孟娟李木国张群王静杨洪齐
Owner DALIAN UNIV OF TECH
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