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High-precision sea wave characteristic analysis method

A feature analysis, high-precision technology, used in special data processing applications, measuring the movement of outdoor water sources, measuring devices, etc., can solve the problem of strong random signal integration, unsatisfactory effect, inability to switch remote operations, and poor stability than industrial computers, etc. problems, to achieve the effect of avoiding precision reduction, eliminating singular configurations, high stability and accuracy

Inactive Publication Date: 2019-11-01
云禾(南京)智能科技有限公司
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AI Technical Summary

Problems solved by technology

[0004] 1. Three uniaxial acceleration sensors are used, which will increase the measurement error due to the influence of the installation position;
[0005] Second, the integration effect of the hardware integration circuit on the strong random signal is not ideal, resulting in a large integration error;
[0006] 3. The research hotspots of wave processing are concentrated on the development of PC platform software, such as "A Wave Monitoring System and Its Working Method" with patent application number 201810860388.0, which is not as stable as industrial computer
[0007] Fourth, most products currently on the market cannot switch to remote operation, such as "A Wave Monitoring System" with patent application number 201821225254.3, which is not flexible enough

Method used

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Embodiment Construction

[0062] The present invention will be further described in detail below in conjunction with specific examples.

[0063] The overall structure is as Image 6 As shown, the system is based on the industrial control board for software development, using the reliability and stability of the industrial control computer to improve the accuracy of the buoy measurement; the buoy is also combined with a 9-SPS six-dimensional acceleration sensor, which simplifies the structure and obtains more The hinge information can solve the interference of more influencing factors in the solution process; finally, a dynamic sensor calibration device is set to further optimize the measurement accuracy. In order not to increase the difficulty of the user's operation, the network connection function of the industrial control board is designed to provide the user with the option of PC remote operation.

[0064] In order to realize the above-mentioned technical purpose, the concrete technical scheme tha...

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Abstract

The invention relates to a high-precision sea wave characteristic analysis method; a 9-SPS sensor is adopted for data acquisition, and the sensor is in contact with the sea waves, so that the acceleration of the sensor can represent the acceleration of a tested object. Nine piezoelectric ceramics are connected to the input ends of all channels of a charge amplifier through wires respectively, andsignals output by the charge amplifier are collected through a data acquisition card after impedance conversion and signal conditioning and amplification are carried out. In an industrial personal computer, matlab development software and a decoupling algorithm are utilized to design software, the deformation amount of the piezoelectric ceramics is calculated according to the amount of electric charges generated by the piezoelectric ceramics in the industrial personal computer, and finally the six-dimensional acceleration information of the tested object is obtained. After the acceleration information is obtained, further integral processing is carried out on the industrial personal computer, and the wave characteristics such as wave height, wave period and the like are calculated througha cross-zero method. A user can implement remote operation on the industrial personal computer through TeamViewer software on a PC.

Description

technical field [0001] The invention belongs to the technical field of ocean observation, and relates to a high-precision wave feature analysis method. Background technique [0002] Nowadays, with the development of the economy, the field of human activities has further expanded to the ocean, and oceanography has gradually become the object of attention. As one of the important research contents of oceanography, waves can effectively help people improve their control over ocean conditions. Wave height, wave direction, and wave period are important input parameters in the fields of ocean forecasting, disaster prevention and mitigation, ocean engineering, and navigation safety. The acceleration type wave buoy is a wave observation method with high accuracy. [0003] Currently, wave buoys mainly have the following problems. [0004] 1. Three uniaxial acceleration sensors are used, which will increase the measurement error due to the influence of the installation position; ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C13/00G06F17/50
CPCG01C13/002
Inventor 刘云平尤晶晶顾和军王柏林周峰华王鑫朱帅辉
Owner 云禾(南京)智能科技有限公司
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