阅读说明：本技术 一种城市基础设施的结构健康问题的监测系统和监测方法 (Monitoring system and monitoring method for structural health problems of urban infrastructure ) 是由 郝本明 胡波 朱必亮 陈婷婷 孙海峰 钱培磊 于 2021-08-19 设计创作，主要内容包括：一种城市基础设施的结构健康问题的监测系统和监测方法,星载sar包括有星载雷达模块、静态遥感模块、动态视频模块和数据处理模块,星载雷达模块用于全天时、全天候、全区域获取星载雷达影像,静态遥感模块用于全天时、全天候、全区域获取静态遥感影像,动态视频模块用于全天时、全天候、全区域获取动态视频影像；所述航拍无人机用于获取无人机局部影像；数据包括有星载雷达影像、静态遥感影像、动态视频影像、无人机局部影像或秒级或小时级无打扰清查数据。本发明可全天时、全天候、广覆盖；高分辨率,高精度(精度可达毫米级)；成本低(是常规测量手段成本的十分之一)；无需外业测量,节省大量人力、物力、财力；可获取历史形变。(A monitoring system and a monitoring method for the structural health problem of urban infrastructure are disclosed, wherein a satellite borne sar comprises a satellite borne radar module, a static remote sensing module, a dynamic video module and a data processing module, the satellite borne radar module is used for acquiring satellite borne radar images all day long, all weather and all region, the static remote sensing module is used for acquiring static remote sensing images all day long, all weather and all region, and the dynamic video module is used for acquiring dynamic video images all day long, all weather and all region; the aerial photography unmanned aerial vehicle is used for acquiring a local image of the unmanned aerial vehicle; the data comprises satellite-borne radar images, static remote sensing images, dynamic video images, unmanned aerial vehicle local images or second-level or hour-level non-disturbance clearing data. The invention can be widely covered all day long, all weather and all weather; high resolution and high precision (the precision can reach millimeter level); the cost is low (one tenth of the cost of the conventional measurement means); the field measurement is not needed, and a large amount of manpower, material resources and financial resources are saved; historical deformations may be obtained.)

1. A monitoring system for the structural health problems of urban infrastructure,

the system comprises a monitoring platform, wherein the monitoring platform comprises a satellite borne sar, an aerial photography unmanned aerial vehicle and a foundation Internet of things; the foundation Internet of things is used for data transmission between the satellite borne sar and the aerial photography unmanned aerial vehicle;

the satellite-borne sar comprises a satellite-borne radar module, a static remote sensing module, a dynamic video module and a data processing module, wherein the satellite-borne radar module is used for acquiring satellite-borne radar images all day long, all weather and all regions, the static remote sensing module is used for acquiring static remote sensing images all day long, all weather and all regions, and the dynamic video module is used for acquiring dynamic video images all day long, all weather and all regions;

the aerial photography unmanned aerial vehicle is used for acquiring a local image of the unmanned aerial vehicle;

the data comprises satellite-borne radar images, static remote sensing images, dynamic video images, unmanned aerial vehicle local images or second-level or hour-level non-disturbance clearing data.

2. The system for monitoring the structural health of a municipal infrastructure according to claim 1, wherein:

the data processing module is used for AI health diagnosis analysis, and the analysis method of the AI health diagnosis analysis comprises a finite element model, parametric analysis, acquisition of modal strain energy, dynamic response parameters, data combination, establishment of a convolutional neural network model, training and storage of a network, network storage, damage position prediction, an actual model, acquisition of modal strain energy, dynamic response and acquisition of actual model combination data; wherein:

the finite element model is connected with parametric analysis, the parametric analysis is connected with acquisition modal strain energy and dynamic response parameters, and the acquisition modal strain energy and the dynamic response parameters are connected with a data combination;

the data combination and the establishment of the convolutional neural network model are connected to a training and storage network, the training and storage network is connected to a stored network, and the stored network is connected to the predicted damage position;

the actual model is connected with the acquisition modal strain energy and the dynamic response, the acquisition modal strain energy and the dynamic response are connected with the acquisition of actual model combined data, and the acquisition of the actual model combined data is connected with the stored network.

3. The system for monitoring the structural health of a municipal infrastructure according to claim 1, wherein: the method also comprises the steps of carrying out daily inspection by utilizing a wireless sensor, an Internet of things base station or the Internet; the satellite, the unmanned aerial vehicle and the ground patrol means are utilized to carry out rapid emergency response monitoring on events caused by urban diseases, and the field conditions are transmitted back to the command center, so that information support is provided for emergency rescue decision making.

4. A method for monitoring the structural health problem of urban infrastructure is characterized in that: the method comprises the following steps:

selecting a proper radar image as a public main image and the rest of the radar images as slave images for a plurality of radar images acquired in the same area; registering all the slave images and the master image, interfering and combining to generate an interference image, and removing the terrain phase by means of an external digital elevation model DEM to obtain a differential interference image; coherent points are detected by adopting a certain algorithm, so that the differential interference phase of the coherent points is obtained, and accurate surface deformation is inverted.

5. The method of monitoring the structural health of a municipal infrastructure according to claim 4, wherein: by utilizing the characteristics of good maneuvering performance, flexible operation and low cost of the unmanned aerial vehicle, key facilities in key areas of patrol are subjected to low-altitude detailed investigation, third-party construction conditions, geological disaster occurrence and development and hazard situation information are obtained and are transmitted back to a platform in real time, and information support is provided for subsequent supervision and control; and field confirmation is carried out by utilizing an unmanned aerial vehicle, a vehicle-mounted radar and a PDA.

Technical Field

The invention relates to the technical field of urban infrastructure, in particular to a monitoring system and a monitoring method for the structural health problem of urban infrastructure.

Background

Urban infrastructure is the city's "lifeline," and is typically subject to storm tests. The structural health problem of urban infrastructure is related to the sustainable development of urban environment and social economy, and urban diseases related to urban infrastructure cannot be ignored, and the hidden disaster of the frog type of warm water cooking caused by rapid urbanization cannot be ignored, wherein the hidden disaster comprises the infrastructure diseases caused by ground subsidence, and natural factors: a geological condition; human factors: engineering construction, underground resource exploitation and the like.

With the acceleration of the urbanization process, the problems of urban ground settlement and infrastructure deformation become more serious, and the urban disease becomes a new urban disease, which mainly comprises the following steps: deformation and collapse of buildings, urban land subsidence and settlement of sea-filling areas; deformation and collapse of buildings, urban land subsidence and settlement of sea-filling areas; deformation of the earth's surface in the dam and reservoir areas; surface subsidence caused by underground water exploitation, oil extraction and mining; displacement of landslides and artificial slopes.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a monitoring system and a monitoring method for the structural health problem of urban infrastructure.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a monitoring system for the structural health problem of urban infrastructure comprises a monitoring platform, wherein the monitoring platform comprises a satellite-borne sar, an aerial photography unmanned aerial vehicle and a foundation Internet of things; the foundation Internet of things is used for data transmission between the satellite borne sar and the aerial photography unmanned aerial vehicle;

the satellite-borne sar comprises a satellite-borne radar module, a static remote sensing module, a dynamic video module and a data processing module, wherein the satellite-borne radar module is used for acquiring satellite-borne radar images all day long, all weather and all regions, the static remote sensing module is used for acquiring static remote sensing images all day long, all weather and all regions, and the dynamic video module is used for acquiring dynamic video images all day long, all weather and all regions;

the aerial photography unmanned aerial vehicle is used for acquiring a local image of the unmanned aerial vehicle;

the data comprises satellite-borne radar images, static remote sensing images, dynamic video images, unmanned aerial vehicle local images or second-level or hour-level non-disturbance clearing data.

A method for monitoring the structural health problems of urban infrastructure, comprising the steps of:

selecting a proper radar image as a public main image and the rest of the radar images as slave images for a plurality of radar images acquired in the same area; registering all the slave images and the master image, interfering and combining to generate an interference image, and removing the terrain phase by means of an external digital elevation model DEM to obtain a differential interference image; coherent points are detected by adopting a certain algorithm, so that the differential interference phase of the coherent points is obtained, and accurate surface deformation is inverted.

The invention also has the following additional technical features:

the technical scheme of the invention is further specifically optimized as follows: the data processing module is used for AI health diagnosis analysis, and the analysis method of the AI health diagnosis analysis comprises a finite element model, parametric analysis, acquisition of modal strain energy, dynamic response parameters, data combination, establishment of a convolutional neural network model, training and storage of a network, network storage, damage position prediction, an actual model, acquisition of modal strain energy, dynamic response and acquisition of actual model combination data; wherein:

the finite element model is connected with parametric analysis, the parametric analysis is connected with acquisition modal strain energy and dynamic response parameters, and the acquisition modal strain energy and the dynamic response parameters are connected with a data combination;

the data combination and the establishment of the convolutional neural network model are connected to a training and storage network, the training and storage network is connected to a stored network, and the stored network is connected to the predicted damage position;

the actual model is connected with the acquisition modal strain energy and the dynamic response, the acquisition modal strain energy and the dynamic response are connected with the acquisition of actual model combination data, and the acquisition of the actual model combination data is connected with a stored network;

the technical scheme of the invention is further specifically optimized as follows: the method also comprises the steps of carrying out daily inspection by utilizing a wireless sensor, an Internet of things base station or the Internet; the satellite, the unmanned aerial vehicle and the ground patrol means are utilized to carry out rapid emergency response monitoring on events caused by urban diseases, and the field conditions are transmitted back to the command center, so that information support is provided for emergency rescue decision making.

The technical scheme of the invention is further specifically optimized as follows: by utilizing the characteristics of good maneuvering performance, flexible operation and low cost of the unmanned aerial vehicle, key facilities in key areas of patrol are subjected to low-altitude detailed investigation, third-party construction conditions, geological disaster occurrence and development and hazard situation information are obtained and are transmitted back to a platform in real time, and information support is provided for subsequent supervision and control; and field confirmation is carried out by utilizing an unmanned aerial vehicle, a vehicle-mounted radar and a PDA.

Compared with the prior art, the invention has the advantages that:

advantage 1, urban risk census: the method comprises the steps of utilizing InSAR technology to obtain urban ground surface and facility deformation information in a large range and accurately, carrying out backtracking evaluation through historical deformation image conditions, monitoring, analyzing and positioning all disaster risk areas and single facilities existing in the city comprehensively, and carrying out urban physical examination in a refined mode.

Advantage 2, geological disasters are emergent: the solution of general investigation, detailed investigation and verification is popularized and implemented, and a high-efficiency, reliable and large-scale low-cost scientific and technological means is provided for early warning and prevention work of geological disasters and secondary disasters.

Advantage 3, water conservancy facility risk monitoring: water conservancy facilities such as reservoirs, dams, hydropower stations, harbor banks, bridges and the like and surrounding geological disasters of the water conservancy facilities are rapidly monitored, risk identification and disaster prevention and control are carried out, and monitoring and early warning requirements which cannot be met by traditional monitoring means are made up.

Advantage 4, building risk monitoring: the method can accurately master the cracking, inclination, sedimentation and other conditions of urban building groups, old houses, ancient buildings and surface artificial facilities and the sedimentation condition of peripheral areas, automatically identify and divide the dangerous house grade, and perform refined physical examination on the city.

Advantage 5, traffic facilities risk monitoring: and information such as settlement amount, settlement speed and the like of the whole traffic line and surrounding ground objects is quickly acquired, and the whole process of design, construction, operation and maintenance of traffic facilities is guided.

Advantage 6, energy facility risk prison: the accurate detection discovers the tiny deformation of energy facilities such as oil ports, oil depots, oil gas pipelines, power stations, electric towers, wind towers and the like and the earth surface thereof, and scientifically meets the occurrence of serious safety accidents.

Advantage 7, technical advantage: all-weather and wide-coverage all day long; high resolution and high precision (the precision can reach millimeter level); the cost is low (one tenth of the cost of the conventional measurement means); the field measurement is not needed, and a large amount of manpower, material resources and financial resources are saved; historical deformations may be obtained.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a monitoring system for the structural health of the urban infrastructure of the present invention;

FIG. 2 is a schematic structural diagram of a satellite-borne sar according to the present invention;

FIG. 3 is a schematic flow chart of the AI health diagnosis analysis method of the present invention;

FIG. 4 is a schematic flow chart of a method for monitoring the structural health of the urban infrastructure in accordance with the present invention;

FIG. 5 is a schematic diagram of the present invention using the unmanned aerial vehicle, the vehicle radar and the PDA for on-site confirmation;

FIG. 6 is a schematic diagram of a daily patrol configuration of the present invention;

FIG. 7 is a schematic diagram of an embodiment of Shenzhen and hong Kong regions in accordance with the present invention;

FIG. 8 is a schematic view of an embodiment of a Zhuhai area of the present invention;

FIG. 9 is a schematic diagram of an Australian area of the present invention;

fig. 10 is a schematic diagram of an embodiment of comparison between total station and static level monitoring data for fuzhou subway monitoring according to the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings, in order that the present disclosure may be more fully understood and fully conveyed to those skilled in the art. While the exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the invention is not limited to the embodiments set forth herein.

A monitoring system for the structural health problem of urban infrastructure comprises a monitoring platform, wherein the monitoring platform comprises a satellite-borne sar, an aerial photography unmanned aerial vehicle and a foundation Internet of things; the foundation Internet of things is used for data transmission between the satellite borne sar and the aerial photography unmanned aerial vehicle;

the satellite-borne sar comprises a satellite-borne radar module, a static remote sensing module, a dynamic video module and a data processing module, wherein the satellite-borne radar module is used for acquiring satellite-borne radar images all day long, all weather and all regions, the static remote sensing module is used for acquiring static remote sensing images all day long, all weather and all regions, and the dynamic video module is used for acquiring dynamic video images all day long, all weather and all regions;

the aerial photography unmanned aerial vehicle is used for acquiring a local image of the unmanned aerial vehicle;

the data comprises satellite-borne radar images, static remote sensing images, dynamic video images, unmanned aerial vehicle local images or second-level or hour-level non-disturbance clearing data.

The method comprises the steps of optimizing, using a data processing module for AI health diagnosis analysis, wherein the analysis method of the AI health diagnosis analysis comprises a finite element model, performing parametric analysis, collecting modal strain energy, dynamically responding parameters, combining data, establishing a convolutional neural network model, training and storing the network, predicting a damage position, an actual model, collecting the modal strain energy, dynamically responding and obtaining the combined data of the actual model; wherein:

the finite element model is connected with parametric analysis, the parametric analysis is connected with acquisition modal strain energy and dynamic response parameters, and the acquisition modal strain energy and the dynamic response parameters are connected with a data combination;

the data combination and the establishment of the convolutional neural network model are connected to a training and storage network, the training and storage network is connected to a stored network, and the stored network is connected to the predicted damage position;

the actual model is connected with the acquisition modal strain energy and the dynamic response, the acquisition modal strain energy and the dynamic response are connected with the acquisition of actual model combination data, and the acquisition of the actual model combination data is connected with a stored network;

the method is optimized, and also comprises the steps of carrying out daily inspection by utilizing a wireless sensor, an Internet of things base station or the Internet; the satellite, the unmanned aerial vehicle and the ground patrol means are utilized to carry out rapid emergency response monitoring on events caused by urban diseases, and the field conditions are transmitted back to the command center, so that information support is provided for emergency rescue decision making.

A method for monitoring the structural health problems of urban infrastructure, comprising the steps of:

selecting a proper radar image as a public main image and the rest of the radar images as slave images for a plurality of radar images acquired in the same area; registering all the slave images and the master image, interfering and combining to generate an interference image, and removing the terrain phase by means of an external digital elevation model DEM to obtain a differential interference image; coherent points are detected by adopting a certain algorithm, so that the differential interference phase of the coherent points is obtained, and accurate surface deformation is inverted.

The method is optimized, the characteristics of good maneuvering performance, flexible operation and low cost of the unmanned aerial vehicle are utilized, the key facilities in the key region of the patrol are subjected to low-altitude detailed investigation, the information of the third-party construction condition, the occurrence and development of geological disasters and the damage condition is obtained, and the information is returned to the platform in real time to provide information support for subsequent supervision and control; and field confirmation is carried out by utilizing an unmanned aerial vehicle, a vehicle-mounted radar and a PDA.

As shown in FIG. 7, the main region of the Shenzhen city is in a stable state, the annual average deformation rate of most of the monitoring region is-20 mm/a, and the annual average sedimentation rate of the main region of the city is within 10 mm/a. And the Shenzhen Henan bank wetland region in the west of the Huang sentry port has a settlement phenomenon of about 10mm/a in a large range.

As shown in FIG. 8, the sedimentation rate of the monitoring area reaches up to-68 mm/a, and the lifting rate reaches up to 28 mm/a. The annual average sedimentation rate of the glottis area does not exceed 5mm/a, but the settlement of the canttis area canna town area is more serious. The annual average sedimentation rate in the gulf region is between-8 mm/a and 8 mm/a. More obvious settlement signals are found in areas such as the vicinity of the four paths of the Pingwan. The annual average deformation rate of the winter region is between-8 mm/a and 8mm/a, the winter region is basically in a stable state, and obvious settlement signals are found in the area of the horizontal organ and the entrance port of the Zhuhai highway of the Dowanese major bridge of the Gandou. The annual average deformation rate of the Australian area is between-8 mm/a and 8mm/a, and obvious sedimentation funnels are found in Australian international airports and water reclamation sea areas.

As shown in FIG. 9, the driving learning examination center in Australian International airport and its periphery found the ground subsidence phenomenon, and the average subsidence rate was within-28 mm/a. The accumulated sedimentation amount is all-85 mm. For offshore airports such as the Australian International airport, sea-filling engineering in a certain range is generally required to be carried out, and the ground settlement and the cause of the sea-filling area are as follows: solidifying the soft soil of the punching layer; self-setting compression of the sea-filling material; treating a foundation; and (5) engineering load.

As shown in FIG. 10, the maximum difference between the measurement data of the static leveling system and the measurement data of the total station is not more than 1mm

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described above with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the above detailed description of the embodiments of the invention presented in the drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.