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A Vibration Estimation Method Using Structure Inherent Parameters

A technology of intrinsic parameters and estimators, which is applied in the field of vibration estimation using structural intrinsic parameters, can solve problems such as low accuracy of estimation results and inability to estimate structural vibration parameters, and achieve the effects of improving accuracy, easy method, and wide application scenarios

Active Publication Date: 2021-12-14
质维科技(珠海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when the vibration estimation is carried out in this way, the accuracy of the estimation result is low, and the vibration parameters of the structure cannot be well estimated.

Method used

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  • A Vibration Estimation Method Using Structure Inherent Parameters
  • A Vibration Estimation Method Using Structure Inherent Parameters
  • A Vibration Estimation Method Using Structure Inherent Parameters

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] figure 1 A schematic flowchart of a method for estimating vibration using structural intrinsic parameters provided in Embodiment 1 of the present application is given, and the method is suitable for estimating vibration parameters of structures. The method can be executed by computer equipment, and the computer equipment can be composed of two or more physical entities, or can be composed of one physical entity. Generally speaking, the computer equipment may be a notebook, a desktop computer, a smart tablet, and the like.

[0029] Such as figure 1 As shown, a method for estimating vibration using structural intrinsic parameters provided in Embodiment 1 specifically includes the following steps:

[0030] S110. Obtain target frequency domain parameters corresponding to target intrinsic parameters of the structure to be tested.

[0031] In this embodiment, the structure to be tested can be specifically understood as a hardware structure that needs to estimate vibration ...

Embodiment 2

[0041] figure 2 It is a flow chart of a method for estimating vibration using structural intrinsic parameters provided by Embodiment 2 of the present invention. The technical solution of this embodiment is further refined on the basis of the above-mentioned technical solution, and specifically mainly includes the following steps:

[0042] S210. Acquire a standard vibration parameter set, and determine at least one training intrinsic parameter set associated with the standard vibration parameter set, where the standard vibration parameter set includes at least one standard vibration parameter, and the training intrinsic parameter set includes at least one training intrinsic parameter.

[0043] In this embodiment, the standard vibration parameters can be specifically understood as vibration parameters used as a reference standard. The vibration parameters in the training process use frequency domain signals. Therefore, the standard vibration parameters in the embodiment of the ...

Embodiment 3

[0129] Figure 4 A structural schematic diagram of a vibration estimation device using structural intrinsic parameters provided by Embodiment 3 of the present invention, the device includes: a parameter acquisition module 31 , an input module 32 and an estimation module 33 .

[0130] Among them, the parameter acquisition module 31 is used to obtain the target frequency domain parameters corresponding to the target intrinsic parameters of the structure to be tested; the input module 32 is used to input the target frequency domain parameters as input data into the predetermined target vibration estimation network In the model, wherein, the target vibration estimation network model is obtained by training the intrinsic parameters; the estimation module 33 is used to estimate the vibration parameters of the structure to be measured according to the output result of the target vibration estimation network model, A target vibration parameter of the structure to be tested is obtained...

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Abstract

The embodiment of the present invention discloses a vibration estimation method using structural intrinsic parameters, the method comprising: obtaining target frequency domain parameters corresponding to the target intrinsic parameters of the structure to be measured; inputting the target frequency domain parameters as input data into a predetermined In the target vibration estimation network model, wherein the target vibration estimation network model is obtained by training the inherent parameters; according to the output result of the target vibration estimation network model, the vibration parameters of the structure to be measured are estimated to obtain the target vibration parameters of the structure to be measured, The problem of inaccurate estimation results caused by estimation only based on historical vibration parameters is solved, and the purpose of estimating vibration parameters by using structural intrinsic parameters is realized. Simulate the external environment by estimating parameters, effectively estimate the vibration parameters of the structure to be tested, improve the accuracy of vibration parameter estimation, and simulate the vibration parameters of structures in any environment, which is easy to implement and has a wide range of applicable scenarios.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of vibration estimation, and in particular to a vibration estimation method using structural intrinsic parameters. Background technique [0002] Vibration is a form of expression of a structure under external excitation. Any excitation will induce structural vibration phenomenon, which is especially common in many fields such as aerospace, wind energy, road transportation, rail transportation and marine transportation. When the structural vibration is large, it may cause structural damage. Therefore, structural vibration research is an important basis for ensuring the safety of various equipment in aerospace, wind energy, road transportation, rail transportation, and marine transportation, and structural vibration estimation can better improve the reliability and safety of equipment. Through vibration estimation, preventive maintenance can be effectively carried out, and the structura...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/20G06K9/62
CPCG06F30/20G06F18/214
Inventor 李彦夫熊尚钱敏
Owner 质维科技(珠海)有限公司
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