CN-117034705-B - Steel gate service life assessment method, device, equipment and storage medium

CN117034705BCN 117034705 BCN117034705 BCN 117034705BCN-117034705-B

Abstract

The embodiment of the invention provides a steel gate service life assessment method, a device, equipment and a storage medium, belonging to the technical field of metal structure safety assessment. The steel gate life assessment method comprises the steps of obtaining actual gate parameter data and real-time operation data, establishing a gate digital twin model according to the actual gate parameter data, carrying out data inversion on the gate digital twin model to determine simulation load resultant force and simulation main beam deflection, and determining the expected residual life of the gate by utilizing the gate digital twin model based on the real-time operation data, the simulation load resultant force and the simulation main beam deflection. Namely, the embodiment of the invention establishes the gate digital twin model based on the actual gate parameters so as to simulate the operation parameters of the whole period of the actual gate and based on the actual operation data. And determining the expected service life of the gate, wherein the expected service life of the gate has objectivity and reliability, and the gate digital twin model is utilized to simulate the full-period operation parameters of the gate, so that the gate can be prevented from being damaged, and the gate has priori property.

Inventors

YANG SHENG
YI RUIJI
SONG KUNLONG
Jiang Zhile
Gai Dengyu
QU XIANQIANG
Chu Yuanzhao

Assignees

国家能源集团科学技术研究院有限公司
哈尔滨工程大学

Dates

Publication Date: 20260512
Application Date: 20230817

Claims (6)

1. A method of steel gate life assessment, the method comprising: Acquiring actual gate parameter data and real-time operation data, wherein the real-time operation data comprises actual load data and actual corrosion degree data; Establishing a gate digital twin model according to the actual gate parameter data; Carrying out data inversion on the digital twin model of the gate, and determining simulation load resultant force and simulation main beam deflection of a simulation gate of the digital twin model of the gate under different corrosion intensities; Based on the real-time operation data, the simulated load resultant force and the simulated main beam deflection, determining the expected remaining life of the gate by using a gate digital twin model, comprising: determining actual corrosion intensity information of the gate based on the real-time operation data; determining the expected residual life of the gate by using a gate digital twin model based on the actual corrosion intensity information, the simulated load resultant force and the simulated main beam deflection; wherein, based on the real-time operation data, determining the actual corrosion intensity information of the gate comprises: determining the corrosion speed based on the actual corrosion degree data; Determining gate thinning data according to the corrosion speed and the actual load data; Determining actual corrosion intensity information of the gate according to the gate thinning data; Wherein, based on the actual corrosion intensity information, the simulated load resultant force and the simulated main beam deflection, determining the expected remaining life of the gate by using a gate digital twin model, comprising: determining the actual load resultant force and the actual girder deflection corresponding to the actual corrosion intensity information according to the actual corrosion intensity information, the simulated load resultant force and the simulated girder deflection; determining the expected service life of the gate by using the digital twin model of the gate according to the resultant force of the actual load and the deflection of the actual main girder; And determining the expected service life of the gate by using the digital twin model of the gate according to the actual load resultant force and the actual girder deflection, wherein the method comprises the following steps of: Based on the actual load resultant force and the actual girder deflection, adjusting the time scale of the simulated gate of the gate digital twin model to a future preset moment, wherein the future preset moment is the moment when the load resultant force of the simulated gate reaches the limit load resultant force and the girder deflection of the simulated gate reaches the limit girder deflection; and determining the expected service life of the gate based on the future preset time and the current time.
2. The steel gate life assessment method of claim 1, wherein after determining the expected remaining life of the gate, the method further comprises: generating gate life-prolonging measure information by using the gate digital twin model based on the real-time operation data; and repairing the actual gate based on the gate life-prolonging measure information, and recording gate parameters after repairing.
3. The steel gate life evaluation method according to claim 2, wherein after repairing an actual gate based on the gate life extension measure information and recording gate parameters after repairing, the method further comprises: And inputting the repaired gate parameters into the gate digital twin model, and updating the simulated gate parameters.
4. A steel gate life assessment device, the device comprising: the system comprises a data acquisition module, a data processing module and a data processing module, wherein the data acquisition module is used for acquiring actual gate parameter data and real-time operation data, and the real-time operation data comprises actual load data and actual corrosion degree data; The model building module is used for building a gate digital twin model according to the actual gate parameter data; The data inversion module is used for carrying out data inversion on the gate digital twin model and determining the simulated load resultant force and the simulated main beam deflection of the simulated gate of the gate digital twin model under different corrosion intensities; the life evaluation module is used for determining the expected residual life of the gate by utilizing a gate digital twin model based on the real-time operation data, the simulated load resultant force and the simulated main beam deflection, and comprises the following steps: determining actual corrosion intensity information of the gate based on the real-time operation data; determining the expected residual life of the gate by using a gate digital twin model based on the actual corrosion intensity information, the simulated load resultant force and the simulated main beam deflection; wherein, based on the real-time operation data, determining the actual corrosion intensity information of the gate comprises: determining the corrosion speed based on the actual corrosion degree data; Determining gate thinning data according to the corrosion speed and the actual load data; Determining actual corrosion intensity information of the gate according to the gate thinning data; Wherein, based on the actual corrosion intensity information, the simulated load resultant force and the simulated main beam deflection, determining the expected remaining life of the gate by using a gate digital twin model, comprising: determining the actual load resultant force and the actual girder deflection corresponding to the actual corrosion intensity information according to the actual corrosion intensity information, the simulated load resultant force and the simulated girder deflection; determining the expected service life of the gate by using the digital twin model of the gate according to the resultant force of the actual load and the deflection of the actual main girder; And determining the expected service life of the gate by using the digital twin model of the gate according to the actual load resultant force and the actual girder deflection, wherein the method comprises the following steps of: Based on the actual load resultant force and the actual girder deflection, adjusting the time scale of the simulated gate of the gate digital twin model to a future preset moment, wherein the future preset moment is the moment when the load resultant force of the simulated gate reaches the limit load resultant force and the girder deflection of the simulated gate reaches the limit girder deflection; and determining the expected service life of the gate based on the future preset time and the current time.
5. An electronic device comprising a processor and a memory storing machine-readable instructions executable by the processor, the machine-readable instructions when executed by the processor performing the steel gate life assessment method of any one of claims 1-3.
6. A computer-readable storage medium having instructions stored thereon for causing a machine to perform the steel gate life assessment method of any one of claims 1-3.

Description

Steel gate service life assessment method, device, equipment and storage medium Technical Field The invention relates to the technical field of metal structure safety evaluation, in particular to a steel gate service life evaluation method, a steel gate service life evaluation device, electronic equipment and a readable storage medium. Background The steel gate of the hydropower station is subjected to loads such as waterpower, freezing and the like, corroded, aged and the like in the operation process, and is subjected to vibration and fatigue in different operation states. The steel gate in China has the common phenomenon of out-of-service, and the operation and maintenance of the steel gate are currently carried out in a periodic detection mode. Therefore, the steel gate structure is used as the basis and premise of the safety guarantee of hydropower energy under the condition of a complex operation environment, and comprehensive structural health monitoring and structural state diagnosis are needed to be carried out on the service state of the steel gate structure so as to realize the aims of accurately, efficiently and systematically evaluating the safety working performance of the steel gate structure under the condition of a high complex operation environment, predicting the residual life of the steel gate structure and carrying out operation and maintenance management. The current steel gate design standard adopts a permissible stress method, and the state evaluation is carried out by periodically detecting the gate and carrying out service life evaluation by combining finite element analysis, wherein the detected data comprise appearance, corrosion characteristics comprising etching thickness, corrosion rate, electrode potential and the like. However, the gate operation data detected by the method cannot reflect the gate operation state in a full period, and the gate operation data detected by the method is operation data after the gate is damaged and does not have priori property. Disclosure of Invention The embodiment of the invention aims to provide a steel gate service life assessment method, a device, equipment and a storage medium, so as to solve the technical problems. In order to achieve the above object, an embodiment of the present invention provides a steel gate life assessment method, including: Acquiring actual gate parameter data and real-time operation data, wherein the real-time operation data comprises actual load data and actual corrosion degree data; Establishing a gate digital twin model according to the actual gate parameter data; Carrying out data inversion on the digital twin model of the gate, and determining simulation load resultant force and simulation main beam deflection of a simulation gate of the digital twin model of the gate under different corrosion intensities; And determining the expected residual life of the gate by using a gate digital twin model based on the real-time operation data, the simulated load resultant force and the simulated main beam deflection. Optionally, the determining, based on the real-time operation data, the simulated load resultant force and the simulated main beam deflection, the expected remaining life of the gate by using a gate digital twin model includes: determining actual corrosion intensity information of the gate based on the real-time operation data; And determining the expected residual life of the gate by using a gate digital twin model based on the actual corrosion intensity information, the simulated load resultant force and the simulated main beam deflection. Optionally, the determining the actual corrosion intensity information of the gate based on the real-time operation data includes: determining the corrosion speed based on the actual corrosion degree data; Determining gate thinning data according to the corrosion speed and the actual load data; And determining the actual corrosion intensity information of the gate according to the gate thinning data. Optionally, the determining, based on the actual corrosion strength information, the simulated load resultant force and the simulated main beam deflection, an expected remaining life of the gate using a digital twin model of the gate includes: determining the actual load resultant force and the actual girder deflection corresponding to the actual corrosion intensity information according to the actual corrosion intensity information, the simulated load resultant force and the simulated girder deflection; and determining the expected service life of the gate by using the digital twin model of the gate according to the actual load resultant force and the actual girder deflection. Optionally, determining the expected service life of the gate according to the actual load resultant force and the actual girder deflection by using the gate digital twin model includes: Based on the actual load resultant force and the actual girder deflection, adjusting the time scale of the simulat