CN115705699A - Intelligent highway inspection method and device based on digital twinning technology - Google Patents
Intelligent highway inspection method and device based on digital twinning technology Download PDFInfo
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- CN115705699A CN115705699A CN202211175849.3A CN202211175849A CN115705699A CN 115705699 A CN115705699 A CN 115705699A CN 202211175849 A CN202211175849 A CN 202211175849A CN 115705699 A CN115705699 A CN 115705699A
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Abstract
The invention discloses an intelligent highway inspection method and device based on a digital twin technology, wherein in the inspection process, a typical disease picture is combined to automatically match the type of a real highway disease, the disease mobile phone positioning information is automatically converted into a highway operation stake number based on a position difference method, inspection key information is integrated by taking a picture and combining an information watermark, and the operation of inputting disease information by an inspector is reduced; the checked disease information is automatically displayed in the twin scene position, the distribution rule of the disease positions in a certain time range can be counted, and a data basis is provided for the formulation of a subsequent special maintenance engineering scheme and the three-dimensional performance analysis of a highway state; in addition, maintenance operators can directly reach the disease position in a navigation mode in a three-dimensional scene through the mobile terminal, the link of conventionally searching the disease position is omitted, the maintenance operation efficiency is improved, meanwhile, the maintenance route can be synchronously displayed in a twin scene, and after maintenance, the disease layer is synchronously disappeared, so that virtual and real synchronous mapping is realized.
Description
Technical Field
The invention relates to the field of highway traffic, in particular to an intelligent highway inspection method and device based on a digital twin technology.
Background
With the continuous development of the traffic industry, the highway maintenance mileage in China is continuously increased, and as the traffic engineering is linear engineering, the video monitoring coverage is limited, and more people rely on manual inspection. However, the problems of insufficient hands and low culture level of current inspection maintenance personnel are solved, complex operation in the inspection process is rejected, and inspection efficiency and quality are affected. In the maintenance process, operators often rely on the approximate record of hundred-meter piles in the aspect of searching for the positions of diseases, and lack accurate position prompt to influence the maintenance efficiency. In addition, a daily routing inspection evaluation mode is lacked in the aspect of road performance evaluation, although the running state of the road can be comprehensively evaluated by regular routing inspection, certain hysteresis exists, a special road maintenance scheme is lack of a visual statistical basis, and the experience of the past year is usually passed.
For example, a method and a device for controlling an unmanned aerial vehicle for polling an intelligent road disclosed in chinese patent literature, which is under the publication No. CN110825099B; the control method comprises the following steps: acquiring the traffic flow of each road section, and determining the required inspection frequency according to the traffic flow of each road section; the traffic flow of the highway is in positive correlation with the required inspection frequency; determining the routing inspection line of each routing inspection unmanned aerial vehicle, and combining the routing inspection frequency required by each section of road and the flying speed of the routing inspection unmanned aerial vehicles to obtain the number of the routing inspection unmanned aerial vehicles required by each section of road; the inspection line is a ring line; starting points corresponding to the number of the inspection unmanned aerial vehicles are arranged on the inspection line, and the distances of every two adjacent starting points on the inspection line are the same; and arranging each inspection unmanned aerial vehicle on the starting point, and simultaneously controlling each inspection unmanned aerial vehicle to inspect clockwise or anticlockwise along the inspection line. The technical scheme that this application provided can solve among the prior art because patrol and examine the problem that unmanned aerial vehicle control is unreasonable and lead to patrolling and examining the reliability lower to the highway. However, in the technology, the unmanned aerial vehicle is used for judging the road surface diseases, and the maintenance is carried out manually, whether the diseases on the maintained road surface are eliminated or not can not be obtained by any means, and the answer can only be obtained when the secondary inspection is waited, so that the maintenance has certain hysteresis, the disease condition of the road can not be judged in real time, and the data of each maintenance area over the year can not be compared with the data at the moment to determine the maintenance effect.
Disclosure of Invention
Aiming at the problems, the invention provides an intelligent highway inspection method and an intelligent highway inspection device based on a digital twinning technology; the road surface with disease problems is directly judged according to the disease types in the database through the image recognition technology, the road disease degree and the road disease type are judged, and the maintenance operators are guided to directly reach the road disease positions through the navigation technology, so that the problem of finding the disease positions by experience is avoided, and the maintenance efficiency is improved; meanwhile, based on a three-dimensional visualization technology and a big data analysis technical means, the running state of the road is visually reflected in a thermodynamic diagram form, and a visual and quantifiable reference basis is provided for the subsequent special road maintenance project.
To achieve the above objects, according to one aspect of the invention, an intelligent highway inspection method based on a digital twinning technology is provided.
An intelligent highway inspection method based on a digital twin technology comprises the following steps:
s1, constructing a highway twin model in a relative position according to a topological graph;
constructing a road twin model in a relative position based on a design drawing by using a three-dimensional modeling tool;
s2, collecting the actual longitude and latitude of the hectometer stake of the highway, and matching and superposing the position of the hectometer stake of the twin model of the highway with the longitude and latitude of the hectometer stake corresponding to the position of the hectometer stake actually;
s3, collecting typical road disease types, and representing and storing in a picture form;
s4, collecting road disease information by taking the mobile terminal held by a worker as a patrol inspection operation terminal;
s5, analyzing the road disease type through the typical road disease type, and converting the mobile terminal positioning information into corresponding disease stake number information based on a position difference method;
s6, uploading the disease type and the actual state thereof to a network background, and synchronously mapping the disease type and the position information thereof in a highway twin scene after secondarily confirming the disease type;
s7, aiming at the single disease information, the mobile terminal of the maintenance operator synchronously receives the maintenance operation work order and carries out maintenance shooting on the disease part based on the disease pile number information; after being audited and confirmed by a special staff, the damage image layer in the highway twin model disappears;
and S8, counting the frequency of the diseases at a certain position in a certain time in a disease thermodynamic diagram mode.
In the inspection process, typical disease pictures are combined to automatically match actual road disease types, disease mobile phone positioning information is automatically converted into road operation post numbers based on a position difference method, inspection key information is integrated in a mode of taking pictures and combining information watermarks, and the operation that inspection personnel input disease information is reduced; the checked disease information is automatically displayed in the twin scene position, the disease position distribution rule in a certain time range can be counted, and a data basis is provided for the subsequent special maintenance engineering scheme formulation and the highway state three-dimensional performance analysis; in addition, maintenance operators can directly reach the disease position in a navigation mode in a three-dimensional scene through the mobile terminal, the link of conventionally searching the disease position is omitted, the maintenance operation efficiency is improved, meanwhile, the maintenance route can be synchronously displayed in a twin scene, and after maintenance, the disease layer is synchronously disappeared, so that virtual and real synchronous mapping is realized.
Preferably, in the step S3, each hundred meters of the highway is used as a control unit, and the control unit corresponds to an actual hundred meter pile; and converting the road twin model after the optimization of the client into a webpage end for display through a lightweight engine, and extracting the position information and the disease information corresponding to the model. The method comprises the steps of collecting the longitude and latitude of the hundred-meter piles in the actual operation and maintenance process of the road, establishing a mapping relation between the hundred-meter piles and the longitude and latitude, further realizing a corresponding relation between the two hundred-meter piles and the longitude and latitude at a distance of one meter based on a position difference method, realizing conversion between the longitude and latitude and the operation and maintenance pile number, and further improving mapping granularity by combining the requirement of accurate management and maintenance. And releasing the processed three-dimensional model in a light weight manner, so that the processed three-dimensional model can be displayed on a webpage end, and the cooperation of the other side is facilitated.
Preferably, the information collected in step S4 includes position information and photo information of the disease, and the collection device is a mobile terminal or a collection vehicle. The ground disease information that this highway department highway stake position place everywhere was gathered that can be quick through collection equipment to use mobile terminal directly to carry out preliminary judgement to the highway calamity, when accelerating the judgement speed, can carry out dual guarantee through direct judgement and technical staff judgement of internet image contrast, avoid causing calamity delay to handle the scheduling problem because of the single judges the error.
Preferably, in the step S6, the server performs image comparison on the highway scene photo and the typical disease type image information, and simultaneously presents the comparison result, the disease position information, the collected photo and the name of the person who collects the operation on the collected photo in a watermark manner, and simultaneously fills the corresponding information in the corresponding information blank. The inspection operator performs routine inspection, takes pictures in the form of pictures to record the information of the disease images, judges whether the diseases are transverse cracks, longitudinal cracks, pits and the like according to the gray level distribution condition of the images, and synchronously displays the types of the judged disease information on the pictures in a watermark mode; optionally, the watermark information supports a custom configuration, and the content information may include: the system comprises patrol inspection time, patrol inspection persons and position information, wherein the position information converts positioning information of acquisition personnel into pile number information through a mapping relation between longitude and latitude and operation and maintenance pile numbers. And people can be quickly matched in follow-up maintenance and inspection.
Preferably, in step S7, when navigating to the location of the disease, a track of the maintenance worker is drawn and mapped in a road twin model scene for monitoring an actual working condition of the maintenance worker.
Preferably, the step S8 specifically includes: reflecting the health state of the road section according to the distribution density of the diseases under each hectometer of road management unit, and displaying the health state in the scene of a road twin model in the form of a three-color thermodynamic diagram; wherein S is a health color, and the states are respectively as follows: the health corresponds to green, the warning corresponds to orange, and the danger corresponds to red; l is the length of the management unit and is divided according to the granularity of management; n is the number of diseases, a is the lower limit number of diseases, and b is the upper limit number of diseases; when n =0, s is green; when a is more than or equal to n and less than or equal to b, S is orange; when n is more than or equal to b, S is red. The health state of the road section is reflected by the distribution density of the diseases under each hundred meters of road management unit, and the health state can be visually displayed in a twin scene in a three-color thermodynamic diagram mode. And providing referential quantized data for the subsequent special maintenance engineering.
An intelligent highway inspection device based on digital twinning technology comprises:
the workstation computer is used for creating and publishing a twin road scene matched with the appearance and the position of an actual road, and storing the published scene in the server;
the server is used for storing system data and business logic programs and providing service for the client computer or the mobile terminal through the Internet;
the client computer accesses the twin inspection system and audits the disease information, and the audited disease information is automatically and synchronously mapped on the corresponding position of the twin road of the server; the client computer can synchronously access twin scene change information;
the mobile terminal accesses the twin polling system and examines the disease information, and the examined disease information is automatically and synchronously mapped on the corresponding position of the twin road of the server; and the maintenance personnel receive the maintenance work order task by using the mobile terminal, directly reach the position of the disease through a navigation module of the mobile terminal, and record the maintenance result.
And the maintenance personnel receive the maintenance work order task by using the mobile terminal, directly reach the position of the disease through a navigation module of the mobile terminal, record the maintenance result and realize the closed loop of the highway patrol maintenance service. The road surface with disease problems is directly judged according to the disease types in the database through the image recognition technology, the road disease degree and the road disease types are judged, maintenance operators are guided to directly reach the road disease positions through the navigation technology, the problem that the disease positions are searched by means of experience is solved, and the maintenance efficiency is improved.
The invention has the beneficial effects that:
the road surface with disease problems is directly judged according to the disease types in the database through the image recognition technology, and the maintenance operators are guided to directly reach the road disease positions through the navigation technology, so that the problem of finding the disease positions by depending on experience is avoided, and the maintenance efficiency is improved; meanwhile, the road operation state is intuitively reflected in a thermodynamic diagram form based on a three-dimensional visualization technology and a big data analysis technical means, and a visual and quantifiable reference basis is provided for a subsequent special road maintenance project.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic diagram of the system of the present invention;
fig. 3 is a schematic diagram of main modules of the mobile terminal device according to the present invention.
Detailed Description
The embodiment takes an expressway as an example, and a flow chart of the embodiment is shown in figure 1, and the intelligent expressway inspection method and the intelligent expressway inspection device based on the digital twin technology comprise the following operation steps:
s1: and constructing a highway twin model in the relative position based on the design drawing by using a three-dimensional modeling tool. The highway twin model is the result of the design of a three-dimensional modeling tool under a workstation computer in the engineering design period.
S2: and acquiring the corresponding longitude and latitude of the actual road hectometer pile, and matching and coinciding the position of the hectometer pile of the road twin model with the longitude and latitude position by taking the acquired longitude and latitude as a marking bottom plate. And further realizing the corresponding relation between the longitude and latitude of two hundred-meter piles at a distance of one meter based on a position difference method, realizing the conversion between the longitude and latitude and the operation and maintenance pile number, and optionally further improving the mapping granularity by combining the requirement of management and maintenance accuracy.
S3: and (4) finishing the typical road pavement types, and performing characterization storage in the form of pictures, such as transverse cracks, longitudinal cracks, cracks and the like.
S4: and analyzing and releasing the adjusted twin model, so that the twin model can be displayed at a webpage end and a mobile end.
S5: the mobile terminal is used as an inspection operation terminal and used for collecting road disease information; in addition, the mobile terminal can be a mobile phone or a modified vehicle-mounted mobile patrol car. The disease information collection, the disease photo watermark information display and the watermark information editing function are realized by calling 300 a 301 photographing module, a 302 image recognition module, a 303 image information display module and a 304 image information editing module under the mobile terminal device, and the disease information collection is realized, as shown in fig. 3.
S6: and combining the typical disease type example picture, automatically judging the disease type by the system, and converting the mobile phone positioning information into corresponding disease stake number information based on a position difference method. The image identification module judges whether the diseases are transverse cracks, longitudinal cracks, pits and the like according to the image gray level distribution condition, and synchronously displays the judged disease information types on the photo in a watermark mode; the watermark information supports the user-defined configuration, and the content information can comprise: the method comprises the steps of polling time, polling personnel and position information, wherein the position information converts the positioning information of the acquisition personnel into pile number information through the mapping relation between longitude and latitude and the operation and maintenance pile number.
S7: and the inspection disease information is confirmed by professional technicians, and the confirmed disease types and position information are synchronously mapped in the twin scene of the highway. And determining whether to distribute the maintenance work order to the maintenance worker through the secondary confirmation of the worker.
S8: and aiming at the single disease information, the mobile terminal of the maintenance operator synchronously receives the maintenance operation work order and navigates to the disease position based on the road disease position information. And calling a positioning module and a navigation module under the mobile terminal to realize automatic navigation of the disease position, and directly reaching the disease position through the disease position information of the work order, so that the link of searching the disease position is omitted. The curing efficiency was improved as shown in fig. 3.
S9: and after the maintenance operation is finished, the maintenance personnel take pictures through the mobile terminal. And calling a photographing module under the mobile terminal to faithfully reflect the maintenance operation condition in the form of a photo.
S10: after the professional technicians verify that the disease maintenance is completed, the disease layer in the twin scene disappears, and the maintenance process is finished. By the aid of the method, synchronous mapping of the twin road scene and the actual road is realized while service closed loop is realized.
S11: and counting the frequency of the disease at a certain position in a certain time by a disease thermodynamic diagram.
S is the health color, and the states are respectively as follows: healthy-green, alert-orange, dangerous-red;
l is the length of the management unit, and can be divided according to different granularity of management, and is L =100m in this example;
n is the number of diseases, a is the lower limit number of the diseases, b is the upper limit number of the diseases, a =1, b =4, wherein the values of L, a and b are adjusted by combining with the actual management and maintenance condition;
when n =0, s is green;
when n is more than or equal to a and less than or equal to b, S is orange;
when n is more than or equal to b, S is red
The steps S1, S2, and S4 are processed in the "U1 workstation computer", the steps S3, S5, S6, S7, S8, and S9 are processed in the "U2 server", the steps S5, S6, S7, and S9 are processed in the "U3 mobile terminal", the steps S7 and S8 are processed in the "U4 client computer", and the U2 and U3 and U4 perform data communication via the U5 internet or private line, as shown in fig. 2.
The above-described embodiments should not be construed as limiting the scope of the invention. Those skilled in the art will appreciate that various modifications, combinations, sub-combinations, and substitutions can occur depending on design elements and other factors. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the protection of the present invention.
Claims (7)
1. An intelligent highway inspection method based on a digital twin technology is characterized by comprising the following steps:
s1, constructing a highway twin model in a relative position according to a topological graph;
constructing a road twin model in a relative position based on a design drawing by using a three-dimensional modeling tool;
s2, collecting the actual longitude and latitude of the hectometer stake of the highway, and matching and superposing the position of the hectometer stake of the highway twin model with the actual corresponding longitude and latitude of the hectometer stake;
s3, collecting typical road disease types, and representing and storing in a picture form;
s4, collecting road disease information by taking the mobile terminal held by a worker as a patrol inspection operation terminal;
s5, analyzing road disease types through typical road disease types, and converting the mobile terminal positioning information into corresponding disease pile number information based on a position difference method;
s6, uploading the disease type and the actual state thereof to a network background, and synchronously mapping the disease type and the position information thereof in a highway twin scene after secondarily confirming the disease type;
s7, aiming at the single disease information, the mobile terminal of the maintenance operator synchronously receives the maintenance operation work order and carries out maintenance shooting on the disease part based on the disease pile number information; after being audited and confirmed by a special staff, the damage image layer in the highway twin model disappears;
and S8, counting the frequency of the diseases at a certain position in a certain time in a disease thermodynamic diagram mode.
2. The intelligent highway inspection method based on the digital twin technology as claimed in claim 1, wherein in the step S3, the highway is taken as a control unit for every one hundred meters and corresponds to actual one hundred meter piles; and converting the road twin model after the optimization of the client into a webpage end for display through a lightweight engine, and extracting the position information and the disease information corresponding to the model.
3. The intelligent highway inspection method based on the digital twin technology as claimed in claim 1, wherein the information collected in step S4 includes position information and photo information of a disease, and the collection device is a mobile terminal or a collection vehicle.
4. The intelligent highway inspection method based on the digital twin technology as claimed in claim 1, wherein the server in step S6 performs image comparison on the highway scene photo and the typical disease type image information, and simultaneously presents the comparison result, the disease position information, the collected photo and the name of the person who collects the operation on the collected photo in a watermark manner, and simultaneously fills the corresponding information in the corresponding information blank.
5. The intelligent highway inspection method according to claim 1, wherein in step S7, when navigation is performed to a disease position, the track of maintenance workers is drawn and mapped in a highway twin model scene for monitoring the actual working condition of the maintenance workers.
6. The intelligent highway inspection method based on the digital twin technology as claimed in claim 1, wherein the step S8 specifically comprises the following steps: reflecting the health state of the road section according to the distribution density of the diseases under each hectometer of road management unit, and displaying the health state in the scene of the road twin model in a form of a three-color thermodynamic diagram; wherein S is a health color, and the states are respectively as follows: the health corresponds to green, the warning corresponds to orange, and the danger corresponds to red; l is the length of the management unit and is divided according to the granularity of management; n is the number of diseases, a is the lower limit number of diseases, and b is the upper limit number of diseases; when n =0, s is green; when n is more than or equal to a and less than or equal to b, S is orange; when n is more than or equal to b, S is red.
7. The utility model provides a highway intelligence inspection device based on digital twin technique which characterized in that includes:
the workstation computer is used for creating and publishing a twin highway scene matched with the appearance and position of the actual highway and storing the published scene in the server;
the server is used for storing system data and business logic programs and providing service for a client computer or a mobile terminal through the Internet;
the client computer accesses the twin inspection system and audits the disease information, and the audited disease information is automatically and synchronously mapped on the corresponding position of the twin road of the server; the client computer can synchronously access twin scene change information;
the mobile terminal accesses the twin polling system and examines the disease information, and the examined disease information is automatically and synchronously mapped on the corresponding position of the twin road of the server; and the maintenance personnel receive the maintenance work order task by using the mobile terminal, directly reach the position of the disease through a navigation module of the mobile terminal, and record the maintenance result.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116563969A (en) * | 2023-07-07 | 2023-08-08 | 同方泰德国际科技(北京)有限公司 | Equipment inspection method, device, equipment and storage medium |
| CN116797759A (en) * | 2023-08-22 | 2023-09-22 | 四川省公路规划勘察设计研究院有限公司 | Standard automatic twin method and system for highway facility disease based on deep learning |
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- 2022-09-26 CN CN202211175849.3A patent/CN115705699A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116563969A (en) * | 2023-07-07 | 2023-08-08 | 同方泰德国际科技(北京)有限公司 | Equipment inspection method, device, equipment and storage medium |
| CN116563969B (en) * | 2023-07-07 | 2023-10-24 | 同方泰德国际科技(北京)有限公司 | Equipment inspection method, device, equipment and storage medium |
| CN116797759A (en) * | 2023-08-22 | 2023-09-22 | 四川省公路规划勘察设计研究院有限公司 | Standard automatic twin method and system for highway facility disease based on deep learning |
| CN116797759B (en) * | 2023-08-22 | 2023-11-17 | 四川省公路规划勘察设计研究院有限公司 | Standard automatic twin method and system for highway facility disease based on deep learning |
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