CN115564396A - Roadbed intelligent operation system integrating 5G communication technology - Google Patents
Roadbed intelligent operation system integrating 5G communication technology Download PDFInfo
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Abstract
The invention discloses a roadbed intelligent operation system integrating a 5G communication technology. The intelligent roadbed construction equipment comprises construction machinery, a sensor, a central control host, a control unit and a satellite positioning receiving device, wherein the sensor, the central control host, the control unit and the satellite positioning receiving device are installed on the construction machinery. Roadbed intelligent construction equipment, satellite positioning base station and intelligent high in the clouds control platform all pass through wireless communication system realizes the communication connection, wireless communication system adopts 5G communication network. The intelligent cloud control platform comprises a project management module, a path planning module, a quality management module, a pressure supplementing planning module and a system management module. The invention establishes the intelligent roadbed filling information management by taking the BIM as a carrier and the Internet of things as a channel, connects design and construction, realizes the assignment of operation tasks and the feedback of operation information, establishes a standardized construction management flow and realizes the information, standardization and intelligent management of the whole construction flow.
Description
Technical Field
The invention belongs to the technical field of wireless communication technology and intelligent management, and particularly relates to a roadbed intelligent operation system integrating 5G communication technology.
Background
At present, in order to accelerate the promotion of the fusion application of '5G + intelligent construction site Internet', the communication industry actively explores and promotes various innovative applications such as 5G + intelligent construction site. The rapid development of new technologies such as 5G, internet of things, big data, artificial intelligence, BIM and mobile internet is deeply influencing and changing the development road of a construction site and becomes the intelligent external power of the construction site. On the basis of the technologies such as BIM, AI, the Internet of things, 5G, big data, the Internet and the like, the aims of meeting site risk prediction and linkage pre-control are fulfilled, a locally deployed intelligent site Internet of things management system is built, monitoring, early warning treatment management, intelligent early warning, linkage control and hierarchical forwarding comprehensive management of six core elements such as people, machines, objects, rings, dangers and things are realized, and the risk perception, risk control and information sharing capabilities of a construction site are effectively improved. Due to the fact that the environment of the construction site is complex and changeable, wired network deployment is complex, and a wireless network is unstable, the intelligent construction site cannot be really upgraded; the development of a novel intelligent construction site bearing a large number of new technologies needs a stable, reliable, low-delay and easily-deployed communication network. The existing intelligent construction site product is manufactured by taking BIM and IOT as cores, and is difficult to meet the requirements of the construction industry on the development and management in a day-to-day fashion. Based on the current wisdom building site development level, construction enterprises put forward a new vision of 'safety management in all time periods' and 'quality monitoring in all periods'. The method is characterized in that the new requirements of the building enterprises are refined and summarized into real-time, visual, diversified, intelligent and convenient requirements.
Roadbed filling relates to a plurality of processes such as filler production and transportation, paving and leveling, rolling and tamping, slope renovation, detection and acceptance and the like, and relates to a complex construction organization management process and application of various construction machines. The mature application at the present stage is mainly single coverage of the rolling procedure, and the real intelligent construction of the whole procedure is not completely realized.
The intelligent rolling system comprises a GPS reference station assembly and a road roller mounting component. When the system runs, a GPS reference station erected on a control point sends a differential signal to a GNSS receiver on a road roller in real time, the GNSS receiver and a radio receiver which are arranged at the top of the vibratory road roller receive a GPS satellite signal and the differential signal sent by a base station to carry out real-time centimeter-level positioning, and a roadbed intelligent compaction communication framework and components are shown in the following graph; the compaction sensor arranged on the vibration wheel of the road roller transmits compaction data to the display controller arranged in the cab in real time, so that a driver can know information such as the current three-dimensional position, compaction degree, rolling times and the like of the road roller in real time.
The roadbed must have sufficient strength, rigidity, stability and durability as an important offline structure of a high-speed railway. The core of roadbed filling quality lies in the quality of compaction, which directly influences the operation safety of railways. The prior art CN111459163A discloses a control method and a control system for cooperative work of an unmanned road roller cluster, wherein the unmanned road roller cluster comprises a road roller to be added and a road roller in construction, and under the condition that the normal work of the road roller in construction is not influenced, the road roller to be added is added into construction operation and is cooperatively constructed with the road roller in construction, so that the construction efficiency of the whole unmanned road roller cluster is improved. The prior art CN111142532A discloses an unmanned road roller group obstacle avoidance method and system based on 5G network communication, which can replace the traditional manual road roller operation mode, greatly reduce the collision probability of the road roller, improve the construction efficiency and avoid the economic loss caused by the collision of the road roller. However, the existing intelligent roadbed filling has the following problems:
(1) The part of the coordination organization among a plurality of processes relies on the multi-level coordination command of the engineering department supervisor, the roadbed engineer and the construction site captain, the construction scheduling command relies on point-to-point transmission, and the efficiency is lower. (2) The automation level of construction machinery is low, and only part of machinery such as a land leveler, a bulldozer, a road roller, an excavator and the like related to roadbed construction is automatically controlled and has potential safety hazards. (3) The quality detection adopts post detection means such as K30, evd and the like, and the remedial measures adopted once the quality detection is unqualified are time-consuming and labor-consuming. (4) The roadbed filling relates to a plurality of working procedures of filler production and transportation, paving and leveling, rolling compaction, slope renovation, detection and acceptance and the like. At present, the intelligent construction of the roadbed is still in the initial stage or single-item coverage application, and the full-process intelligent construction which is truly significant is not completely realized. In general, the management technology, the mechanical intelligent level and the quality detection means of the roadbed construction site lag behind the development pace of intelligent construction of traffic engineering. How to overcome the above-mentioned defects is a problem to be solved in the art.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a roadbed intelligent operation method and a roadbed intelligent operation system integrating a 5G communication technology, and the following technical scheme is specifically adopted:
the utility model provides a fuse road bed intelligence operating system of 5G communication technology, fuse road bed intelligence operating system of 5G communication technology includes: the system comprises roadbed intelligent construction equipment, a wireless communication system, a satellite positioning base station and an intelligent cloud control platform;
the intelligent roadbed construction equipment comprises construction machinery, a sensor, a central control host, a control unit and a satellite positioning receiving device, wherein the sensor, the central control host, the control unit and the satellite positioning receiving device are installed on the construction machinery;
the central control host is respectively connected with the sensor, the control unit and the satellite positioning receiving device;
the sensor is used for sending the detected sensing information data to the central control host;
the satellite positioning receiving device is used for sending satellite positioning data to the central control host;
the central control host is used for sending a control instruction to the control unit;
the roadbed intelligent construction equipment, the satellite positioning base station and the intelligent cloud control platform are in communication connection through the wireless communication system;
the wireless communication system adopts a 5G communication network;
the intelligent cloud control platform comprises a project management module, a path planning module, a quality management module, a pressure supplementing planning module and a system management module.
Further, the project management module comprises an engineering management submodule, a construction progress submodule and an equipment management submodule;
the project management submodule comprises a plan management unit and an operation management unit;
the plan management unit is configured to process plan management information, where the plan management information includes: time, task name, current rolling layer, filler type, filling part, name of responsible person, operation range, construction mileage, compaction thickness, lap width, road roller number, road roller speed, rolling pass and target VCV value;
the operation management unit comprises an operation area management subunit and an operation block management subunit;
and the operation area management subunit is used for managing the area operation, the rolling layer and the operation blocks according to construction parameter information which is issued to the machine in plan management.
The operation block management subunit is used for determining a formal construction operation block by positioning the operation block by a road roller or a dotter after the completion of a rolling layer is confirmed, and establishing the operation block on the unmanned path planning platform according to the construction task parameters after the construction operation block is determined;
the construction progress submodule is used for checking daily construction mileage and counting the total construction mileage/construction time during the construction starting period of the current project;
the equipment management submodule is used for counting the total number, the total construction time and the total construction mileage of all construction machines in the whole project and checking the mechanical state;
further, the path planning module comprises an unmanned rolling submodule, a fault alarm submodule and a construction playback submodule;
the unmanned rolling submodule is used for controlling the road roller to automatically plan and generate a rolling path according to rolling parameters of a construction task after the management of an operation area in engineering management is finished, and finishing unmanned compaction work;
the fault alarm submodule is used for realizing various abnormal alarms of the vehicle in the construction process;
the construction playback submodule is used for selecting an operation area, a rolling layer and an operation block which need to be played back;
further, the quality management module comprises a construction operation management submodule, a rolling data submodule and a compaction quality submodule;
the construction operation management submodule is used for checking all engineering data of roadbed filling and rolling;
the rolling data submodule is used for checking the current roadbed filling unmanned rolling VCV, speed, amplitude, vibration frequency, water content, mileage and equipment number in the system;
and the compaction quality submodule is used for checking a compaction state distribution diagram, a compaction degree and compaction uniformity generated by the current roadbed filling project according to the rolling data of the road roller.
Further, the pressure supplementing planning module is used for uploading rolling data to the quality management module through path planning rolling according to construction task parameters issued in project management, generating a compaction state diagram, judging whether the compaction condition is qualified or not, automatically supplementing pressure according to the construction rolling parameters if the compaction condition is unqualified, and supplementing pressure until the compaction condition is qualified;
furthermore, the system management module is used for providing data management of vehicles, projects and units, the real-time monitoring module is used for browsing the total information of the construction projects and dynamically monitoring the construction vehicles in real time, and managing and inquiring the information of all units participating in the current project. Vehicle inquiry and item inquiry.
Further, the wireless communication system includes: the system comprises a mechanical positioning communication system, a mechanical body control communication system and a mechanical-cloud control platform communication system.
Further, satellite positioning base station hardware adopts the machine-carried GPS receiver, adopts carrier phase difference real-time kinematic positioning principle (RTK) to realize the centimetre level location of road roller, specifically includes: establishing a coordinate system with a satellite positioning base station as an original point, and determining the position coordinates and navigation information of each road roller in the coordinate system; the road roller and the satellite positioning base station are bridged by a wireless network, and wireless communication of the whole cluster is realized by using a wireless transmission mode.
Furthermore, two positioning antennas are arranged above the cab on each road roller, and the influence of vibration on the positioning of the antennas is reduced by using the vibration reduction effect of the cab; the connecting line of the two antennas is vertical to the axis of the vehicle; one antenna plays a role in position location, and the other antenna plays a role in route location.
Furthermore, the satellite positioning base station comprises a positioning antenna, a GPS receiver, a switch, a monitoring server and a wireless transceiver, and the road roller comprises a wireless mobile terminal, a switch, a motion controller, a GPS receiver, a positioning antenna and a course antenna.
The invention establishes the intelligent roadbed filling informatization management by taking the BIM as a carrier and the Internet of things as a channel, connects design and construction, realizes the assignment of operation tasks and the feedback of operation information, establishes a standardized construction management flow and realizes the informatization, standardization and dynamic management of the whole construction flow. The existing acquisition and transmission equipment is upgraded by utilizing the characteristics of 5G high bandwidth, low time delay and wide connection, the real-time transmission problem of multi-source and heterogeneous data in the construction process is solved, and the management technical capability of the existing railway engineering is improved; the problems of bidirectional transmission and cooperative work of field operation of unmanned machines and intelligent construction machinery groups and a rear-end command system and the like are solved, and the intelligent construction technical level of railway engineering is improved.
Drawings
FIG. 1 is a schematic diagram of a roadbed intelligent construction structure according to the present invention;
FIG. 2 is a schematic diagram of the inventive 5G-integrated roadbed intelligent filling application;
FIG. 3 is a functional architecture diagram of the platform of the present invention;
FIG. 4 is a diagram of the communication logic and schematic of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby. It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure herein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1, the embodiment of the invention discloses a roadbed intelligent operation system integrating a 5G communication technology. The system comprises roadbed intelligent construction equipment, a wireless communication system, a satellite positioning base station and an intelligent cloud control platform. The intelligent roadbed construction equipment comprises a construction machine, a sensor, a central control host, a control unit and a satellite positioning receiving device (not shown in the attached figure 1), wherein the sensor, the central control host, the control unit and the satellite positioning receiving device are installed on the construction machine. The central control host is respectively connected with the sensor, the control unit and the satellite positioning receiving device, the sensor is used for sending detected sensing information data to the central control host, the satellite positioning receiving device is used for sending satellite positioning data to the central control host, and the central control host is used for sending a control instruction to the control unit. Roadbed intelligence construction equipment, satellite positioning base station and intelligent high in the clouds control platform all pass through wireless communication system realizes the communication connection, wireless communication system adopts 5G communication network. The intelligent cloud control platform comprises a project management module, a path planning module, a quality management module, a pressure supplementing planning module and a system management module.
The roadbed intelligent operation system fusing the 5G communication technology is used for constructing a local deployment intelligent field Internet of things management system aiming at meeting field risk prediction and linkage pre-control, realizes monitoring, early warning treatment management, intelligent early warning, linkage control and hierarchical forwarding comprehensive management of six core elements such as people, machines, objects, rings, dangers and things, and effectively improves the risk perception, risk control and information sharing capability of a construction site.
The embodiment of the invention plays a role of an enhancement station through the satellite positioning base station, and provides high-precision positioning for a construction site through the combination with the satellite positioning receiving device. By combining a GIS (geographic information system) and a BIM (building information model), a sensor and a satellite positioning receiving device which are arranged on the intelligent roadbed construction equipment are used for providing three-dimensional space high-precision operation guidance for a bulldozer, a land leveler and an excavator, and high-efficiency digital construction operation is realized. The sensor comprises an image acquisition device. The road roller realizes complete automatic rolling by the application of unmanned technology and radar technology, and quality control in the rolling process is realized by means of continuous compaction technology, automatic moisture content detection technology and image recognition technology (image processing, image acquisition, light source compensation, shock absorption, 5G transmission and fixed support).
In the intelligent roadbed construction process, the system uploads and stores the generated massive construction information data streams from the intelligent roadbed construction equipment into a cloud database of the intelligent cloud control platform. At present, a 4G network is mainly used for wireless data transmission in a construction environment, and transmission bandwidth and transmission rate are limited. At present, the scale and complexity of roadbed engineering are gradually improved, and the communication network is developed at a high speed, 5G communication upgrading is carried out on the roadbed intelligent construction system, so that the efficiency of the intelligent construction system is greatly improved. The invention carries out intelligent control, such as automatic driving, cluster dispatching and the like, on the unmanned road roller with the most field quantity and the highest applicable rate by means of a 5G communication network based on the working characteristics of 5G high bandwidth and low time delay.
The factors directly influence the working efficiency under the working environment of high noise and strong vibration of drivers in the roadbed engineering construction environment, and the fundamental way for solving the problem is to develop an unmanned road roller. By adopting the unmanned technology, the harm or threat to the health and safety of drivers can be avoided and reduced, the efficiency can be greatly improved, the cost can be reduced, and the unmanned technology is more economic and energy-saving.
The intelligent roadbed filling realizes the accurate control and the high-efficiency construction of the whole filling process through the application of a series of mechanical intelligent control systems, and solves the problems of difficult control of the traditional construction quality and reduced technical economy. The high-precision Beidou positioning device, the sensor, the hydraulic control device and the like are additionally arranged on construction machinery such as a bulldozer, a land leveler, a road roller and an excavator, the attitude of the machinery is monitored, attitude data are transmitted back to a construction site intelligent decision center and are compared with three-dimensional design data, optimal attitude adjustment data are calculated, and the intelligent control system of the machinery receives the data and then drives the hydraulic control device to complete attitude adjustment. The process puts a high demand on the real-time performance of data communication, and the prior implementation adopts a mode of laying the wireless local area network on a construction site to meet the demand, but because the railway engineering is distributed in a belt shape, the coverage area of the local area network is limited, and the local area network needs to be continuously re-laid along with the project process in the mode. Under the support of 5G coverage, the communication requirement of a roadbed intelligent mechanical control system can be fully met by the characteristics of low time delay and high speed. Referring to the attached drawing 2, the business process of the intelligent roadbed construction equipment for intelligent roadbed construction includes the steps of filler operation management, intelligent paving, intelligent leveling, unmanned rolling and intelligent slope shaping which are sequentially and circularly performed.
The work flow of the roadbed intelligent operation system integrated with the 5G communication technology comprises the following steps:
s1, a design institute adopts a BIM technology to carry out modeling, and a design BIM model is led into the intelligent cloud control platform in an IFC format (IFC is a standard public data expression and storage method, and each software can lead in and out engineering data in the format);
s2, the intelligent cloud control platform generates field production task data according to the design BIM and construction organization data, the field production task data are sent to each roadbed intelligent construction device on the field, and the construction device carries out ordered operation according to the data after receiving the operation task data until the area is qualified;
and S3, the intelligent roadbed construction equipment comprises an unmanned road roller, an unmanned excavator, an unmanned bulldozer, an unmanned land leveler and a filler transport vehicle, the unmanned road roller, the unmanned excavator, the unmanned bulldozer, the unmanned land leveler and the transport vehicle management system are subjected to field construction according to production data, and mass construction information data streams generated in the production process are uploaded and stored in a cloud database of the intelligent cloud control platform.
Referring to tables 1 to 3, the construction information data includes the following data.
Table 1 unmanned road roller production task data
TABLE 2 unmanned excavator production task data
TABLE 3 unmanned bulldozer production mission data
And S4, managing the construction site by the site project department through the intelligent cloud control platform according to the process flow. The specific process is as follows:
the following roadbed and the foundation bed bottom layer are filled according to the traditional construction process of three stages, four sections and eight flows, and the foundation bed surface layer is filled according to the construction process of three stages, four sections and six flows.
And finishing the joint planning of the construction group and the roadbed intelligent compaction command system in the preparation stage, carrying out BIM modeling and section division according to the design, construction group and field environment, and establishing a high-precision satellite positioning network covering the whole construction site.
In the construction stage, the command system issues tasks to operation ends of the construction machinery according to the group plan, operators conduct operation according to three-dimensional space guidance under the support of the GIS and the intelligent construction system, and meanwhile construction data are returned to the command system. And the command system arranges the entrance of the subsequent process according to the field schedule.
And in the stage of renovation and acceptance, the command center issues the task to the excavator, and the excavator operating system guides the task to operate efficiently and accurately. All operation records and detection reports in the construction stage are stored in the command center, and auxiliary acceptance work can be called.
And S5, acquiring a construction quality report through the intelligent cloud control platform by field supervision.
And S6, acquiring required information by the owner and other related units through the intelligent cloud control platform.
Intelligent high in the clouds control platform.
Referring to fig. 3, the intelligent cloud control platform specifically comprises a project management module, a path planning module, a quality management module, a pressure supplementing planning module and a system management module, so that optimization of roadbed filling construction groups, operation standardization, management informatization, engineering quality visualization and the like are realized, and roadbed construction filling quality and construction progress are ensured. Unmanned intelligent control that rolls reduces the operation personnel, improves the efficiency of construction. The above modules will be described in detail below.
1. The project management module comprises an engineering management submodule, a construction progress submodule and an equipment management submodule, the road foundation informatization construction management is realized, the engineering construction standardization and the engineering quality visualization are realized, the road foundation construction filling quality is ensured, and the working efficiency of personnel machinery is improved.
The engineering management submodule comprises a plan management unit and an operation management unit, and through making a plan, construction detailed parameters are interacted with construction machinery, so that the mechanical efficiency and the construction progress of personnel are improved, and the information construction management and control of the roadbed are realized.
The plan management unit processes plan management information including: time, task name, current rolling layer, filling type, filling position, name of responsible person, operation range, construction mileage, compaction thickness, lap joint width, road roller number, road roller speed, rolling times, target VCV value and the like.
The job management unit comprises a job area management subunit and a job block management subunit, and manages the job area of the whole project through the job management unit, and the job block is divided and managed for the area after the job area is created.
And the operation area management subunit is used for managing the area operation, the rolling layer and the operation blocks according to the construction parameter information which is issued to the machine in the plan management. And (3) positioning and determining a formal operation area by using a road roller or a dotting device before formally carrying out unmanned road roller construction after planning a project operation area.
And the operation block management subunit is used for determining the formal construction operation block by positioning the road roller or the dotter after the completion of the rolling layer is confirmed. And after the construction operation block is determined, establishing the operation block on the unmanned path planning platform according to the construction task parameters. And after the operation block is confirmed, constructing and rolling parameters such as information construction rolling parameters of the stacking rolling width, rolling times, speed and the like on the interface of the operation block, and counting the states of the operation block, including the states of acceptance check, non-acceptance check, in-construction and non-construction.
And the construction progress submodule is used for checking the daily construction mileage and counting the total construction mileage/construction time during the construction starting period of the current project. The system is according to the work load statistics daily construction mileage that does not have the completion of day to carry out statistical analysis to personnel machinery of the day and study, make follow-up personnel machinery allocation more reasonable accurate through system's study, further manage and control the construction progress leisurely, including the statistics:
1) The utilization rate of the road roller is as follows: and (5) counting the daily average construction time of the road roller in the current project.
2) Construction mileage: and (4) carrying out accumulated statistics on the construction mileage of all the road rollers 7 days before and 15 days before the last construction day.
The equipment management submodule is used for counting the total number of all construction machines, the total construction time and the total construction mileage in the whole project, and can check the mechanical state, including three states of a construction road roller, an idle road roller and an off-line road roller. The system recommends reasonable resource allocation of the construction tasks according to statistics of information such as construction mileage, machine quantity, construction time and machine state, optimizes the construction tasks and provides construction efficiency.
2. The path planning module comprises an unmanned rolling submodule, a fault alarm submodule and a construction playback submodule. The module realizes automatic unmanned rolling, mechanical failure alarm and rolling history data query of the machine.
And the unmanned rolling submodule is used for remotely starting the road roller by the unmanned path planning platform after the management of the operation area in the engineering management is finished, and the road roller automatically plans and generates a rolling path according to the rolling parameters of the construction task to finish the unmanned compaction work. Meanwhile, basic operation information such as the current construction area, elevation, construction rolling mileage and the like, the compaction thickness, construction rolling parameters and equipment alarm conditions of the road roller in an unmanned state can be checked.
The fault alarm submodule is used for realizing various abnormal alarms of the vehicle in the construction process, including fault alarm and event alarm, monitoring the alarm condition of the road roller in real time, if alarm information is generated, displaying the serial number, the alarm type and the construction operation block of the vehicle for alarming the road roller in a list, and if major faults or alarms occur, tightly stopping the road roller, clicking more and entering an alarm page.
And the construction playback submodule is used for selecting an operation area, a rolling layer and an operation block which need to be played back. The construction track diagram, the elevation diagram, the compaction diagram and the road roller working condition diagram can be checked according to the operation blocks, the vehicles and the times, and the playback operation can be carried out by selecting the progress and the playback speed and clicking the playing.
3. The quality management module comprises a construction operation management submodule, a rolling data submodule and a compaction quality submodule. Realize the standardized construction of the quality management and control and engineering to the roadbed filling construction process of rolling through this module.
The construction operation management submodule is used for checking all engineering data of roadbed filling and rolling, counting the construction operation blocks under the current engineering, and counting the number of the operation blocks which are not accepted, the construction is completed under the current engineering and the operation blocks which are not accepted. And carrying out acceptance qualification rate statistics, and carrying out statistics on the qualification rate of the operation blocks which are constructed under the current engineering.
And the rolling data submodule is used for checking data such as current roadbed filling unmanned rolling VCV, speed, amplitude, vibration frequency, water content, mileage, equipment number and the like in the system.
And the compaction quality sub-module is used for checking a compaction state distribution diagram, a compaction degree and a compaction uniformity generated by the current roadbed filling project according to the rolling data of the road roller.
4. And the pressure supplementing planning module is used for rolling according to construction task parameters assigned in project management through path planning, uploading rolling data to quality management, generating a compaction state diagram, judging whether the compaction condition is qualified or not through pressure supplementing planning, automatically supplementing pressure according to the construction rolling parameters when the compaction condition is unqualified, and supplementing pressure until the compaction condition is qualified.
5. The system management module is used for providing data management of vehicles, projects and units, and the real-time monitoring module is used for providing total information browsing of construction projects and real-time dynamic monitoring of construction vehicles. And managing and inquiring all unit information participating in the current project. Vehicle inquiry and item inquiry.
A wireless communication system.
The wireless communication system includes: the system comprises a mechanical positioning communication system, a mechanical body control communication system and a mechanical-cloud control platform communication system. And respectively carrying out mechanical positioning work, operation control work, cloud data transmission and instruction issuing work in the intelligent construction process of the roadbed.
And (4) positioning a base station by a satellite.
The hardware of the satellite positioning base station adopts an onboard GPS receiver, and is combined with a GPS reference station to carry out positioning by using a differential GPS technology. The rolling overlapping amount of two adjacent rolling tracks is not less than 40cm according to the regional compaction requirement, the positioning accuracy is meter level when only an airborne GPS is adopted, the adjacent rolling tracks are inevitably not overlapped to cause pressure leakage, the positioning accuracy can be accurately about 2cm by adopting a differential GPS technology, and the overlapping amount requirement can be completely met.
Centimeter-level positioning of the road roller is realized by adopting a carrier phase differential real-time dynamic positioning principle (RTK). And establishing a coordinate system with the satellite positioning base station as an original point, and determining the position coordinates and navigation information of each road roller in the coordinate system. The road roller and the satellite positioning base station are bridged by a wireless network, wireless communication of the whole cluster is realized by a wireless transmission mode, the theoretical transmission distance is 5km, and the actual measurement is good at 2.5 km.
The satellite positioning base station is used as an original point, the satellite positioning base station and the road roller end are in bridge connection through a wireless network, the road roller end positioning antenna and the directional antenna transmit acquired satellite signals to the satellite positioning base station through the road roller controller, the satellite positioning base station transmits the satellite signals to the road roller end to realize carrier phase difference, and centimeter-level positioning is achieved. The logic and principle are shown in figure 4, the satellite positioning base station comprises a positioning antenna, a GPS receiver, a switch, a monitoring server and a wireless transceiver, and the road roller comprises a wireless mobile terminal, a switch, a motion controller, a GPS receiver, a positioning antenna and a course antenna.
On each road roller, two positioning antennas are mounted above the cab. The vibration reduction effect of the cab is utilized, and the influence of vibration on the positioning of the antenna can be reduced. The connecting line of the two antennas is vertical to the vehicle, one antenna plays a role in positioning the position, and the other antenna plays a role in positioning the air route.
The unmanned control system needs to take over the functions of vibration, walking, steering and braking of the road roller. The simple unmanned system architecture of the vibratory roller is constructed, environment information required by automatic driving CAN be obtained through sensors such as an airborne GPS receiver, an angular displacement sensor and an ultrasonic radar and transmitted to an industrial control host, the industrial control host calculates a rolling path according to the environment information, and is connected with a walking, steering and braking control unit through a CAN (controller area network) to send a control command, so that the functions of automatically controlling the walking, steering, vibrating and obstacle avoidance of the roller are realized, and the roller CAN complete unmanned driving in a limited area under a limited condition.
The unmanned vibratory roller system adopts a front-end and rear-end classification development mode. The user accesses the URL of the website through the browser, the NodeJS server receives the request, and reads the corresponding front end html, css and js. The nodjs parse executes js to asynchronously request data from the backend API. And after the NodeJs request data is completed, data binding and rendering are carried out to obtain a final html. And the NodeJs outputs html to the browser, and the browser displays the html.
The system adopts a browser mode to access, a login entrance can be accessed through the browser, and login is performed by inputting a user name, a password and an authentication code. The system runs on a linux platform, nginx service is used for load balancing and request forwarding, the platform is developed by using a Java Spring framework, and the front end is developed by using JavaScript.
The data processing comprises three modules of data acquisition, data processing and data storage, wherein the data acquisition comprises manual input and automatic equipment input, the manual input can be the input of construction data, and the input data of the equipment can also be corrected. The data processing module is mainly used for processing the equipment input data and can meet the requirement of front-end interface display. The data storage is to store the system input and data and the data uploaded by the equipment into corresponding database tables, the mysql database is used for data storage, and the mysql database adopts a master-standby mode, so that the data is safely stored, the data loss is avoided, and the service is highly available. Kafka is used for data caching, and data is guaranteed not to be lost, and safety and reliability are achieved when high concurrency and large data volume transmission are achieved.
The external network comprises equipment and a user side, the production network comprises an application server, a cache server and a database, and the production network and the external network realize network protection through a firewall.
The main technical effects of the invention are as follows:
(1) 5G + intelligent collaborative interaction
Under the support of the 5G technology, the intelligent interaction technology in China can be well developed, such as the unmanned technology, the VR interaction technology and the like. The main reason is that the 5G technology provides a stable and rapid network information transmission channel, the information interaction quality and level are improved, 5G ultrahigh reliability and low time delay communication can realize that the response speed of the automatic driving vehicle after the obstacle is detected is faster than the response of people, and the vigorous development of the automatic driving vehicle and intelligent traffic is accelerated. By utilizing the technical advantages of low time delay, high bandwidth and high reliability of the 5G network, the high integration based on the technologies of 5G, mechanical automation, beidou, BIM and the like is realized, the cooperative work among a plurality of intelligent machines is completed, and the quality of the whole-process operation construction is improved. The network slice and the edge calculation can realize the remote control of the network slice and the management of data flow by utilizing a 5G technology, and under the support of a 5G network, the communication delay between a management center and intelligent mechanical equipment is lower than 1ms, so that the smooth operation of the process is ensured. In the higher-end manufacturing field, the requirements on the delay, the bandwidth and the reliability of a communication network are higher, and the 5G technology can just meet the requirements of the field. As in automatic control systems, the time delay requirements of the network for the sensors of the system to acquire parameters such as pressure, temperature, etc. are very high, since this is directly related to the high precision control of the mechanical equipment.
(2) 5G + cloud end
Under the support of 5G technology, the intelligent construction mode can be changed greatly, and the data life era is really stepped. In the future development process, various production activities generate a large amount of data, and the application of 5G technology enables people to better use various intelligent equipment. Various data information generated by the devices can be placed in a cloud environment for rapid processing, and finally the 5G technology promotes the intelligent construction and production cloud end, so that the engineering construction efficiency is improved.
(3) 5G + automatic control
The intelligent construction real-time control is divided into two parts: autonomous control and remote real-time control of the equipment. The autonomous control of the device is mainly embodied in end-to-end communication. Based on the 5G Mobile Edge Computing (MEC) technology, the server is sunk as much as possible and is deployed at the edge of the wireless network. Therefore, only one hop is needed when the terminal interacts with the server, so that the end-to-end time delay can be greatly compressed. Remote real-time control in order to achieve the effect of remote control, a controlled person needs to send status information to the controlled person through a 5G communication network on the basis of remote sensing. And the controller analyzes and judges according to the received state information, makes a decision and sends a corresponding action instruction to the controlled person through the 5G communication network. And the controlled person executes corresponding action according to the received action instruction to complete the processing flow of remote control. The most important of unmanned driving in intelligent roadbed construction is vehicle position data, the required precision needs centimeter level, and a large-scale machine group works simultaneously, so that the data transmission needs low delay and large capacity. In the aspect of position positioning, a construction vehicle moving at a high speed is positioned only by a satellite, so that the accuracy is low, the positioning of the unmanned road roller is required to be mainly by vehicle-mounted equipment, and the vehicle-mounted equipment is required to construct a large-scale wireless network in the intelligent roadbed construction process. Therefore, the information of the vehicle-mounted equipment can be shared in real time through a wireless network, and accurate positioning is given by combining satellite data. Because the road bed intelligence is under construction, equipment terminal is in large quantity, relies on the 4G network, and the capacity is not enough. The popularization of the 5G network is needed, and the 5G network has the characteristics of high speed, low delay and large capacity, and is very suitable for constructing a roadbed intelligent construction network system.
(4) 5G + quality control
Based on intelligent detection of 5G, a micron-sized target can be observed through machine vision of 5G + AI +, so that the whole quality detection process is changed. Through big data concurrence, can rationally use the big data of processing, establish expert's system, simultaneously, based on data to material defect detection in the manufacturing process. And uploading and descending the production and manufacturing data through a 5G network, identifying abnormal data by virtue of the high-speed computing capability of 5G, and comparing the data with the fault characteristics in the expert system to form a fault diagnosis system based on 5G. The camera can shoot the material to be detected and transmit the material to the information system, and the system carries out calculation after visual identification and judges whether the material is qualified.
(5) 5G + remote operation and maintenance
Install sensors such as pressure, rotational speed additional on mechanical equipment, instrument, safety device, through installing 5G thing communication module additional, the operating data who will gather sends the high in the clouds, replaces the wired transmission mode of current state perception, satisfies end-to-end data transfer. Based on edge calculation, cloud calculation and data analysis, and in combination with an equipment abnormity model, an expert knowledge model and an equipment mechanism model, after analyzing the running trend of the equipment, a predictive maintenance and repair suggestion is provided, the effective operation rate of the equipment is improved, the service life of the equipment is prolonged, and an equipment maintenance and repair standard is established.
(6) 5G + material management
The material information is tracked in real time based on 5G filling management, and the relation among material yards is coordinated in a guidance mode to promote the efficient circulation of the three-dimensional material yards. The 5G functional characteristics and advantages are that the time delay of the traditional intelligent stock ground is reduced, the operational capability of the intelligent stock ground is improved, the dynamic balance of material transportation and storage is realized, and the production benefit and the modernized management level are improved.
(7) Construction multi-source data management
The construction operation management needs the construction machinery to upload all the engineering data of roadbed filling and rolling, count the construction operation blocks under the current engineering, count the number of the operation blocks which are not accepted, and count the operation blocks which are not accepted and are constructed under the current engineering. And carrying out acceptance qualification rate statistics, and carrying out statistics on the qualification rate of the operation blocks which are constructed under the current engineering.
The rolling data comprises current roadbed filling unmanned rolling VCV, speed, amplitude, vibration frequency, moisture content, mileage, equipment number and other data. The compaction quality data comprise a compaction state distribution diagram, a compaction degree and a compaction uniformity which are generated according to the rolling data of the road roller in the current roadbed filling project. And (3) carrying out path planning rolling according to construction task parameters assigned in project management, uploading rolling data to quality management, and generating a compaction state diagram, wherein the pressure supplementing planning is to judge whether the compaction condition is qualified, the unqualified construction rolling parameters are used for automatically supplementing pressure, and the pressure supplementing is carried out until the qualified construction rolling parameters are supplemented.
(8) Safety emergency protection
According to the construction range and the site condition of the road roller, a safe operation area is set for the road roller based on the advantages of 5G positioning, high-speed data transmission, end-to-end internet of things and the like, a system detects whether a GPS on the road roller exceeds the set range in real time, and the power assisting is achieved to achieve unmanned security of the road roller. The real-time positioning sensing equipment and the scene condition are used for transmitting and sharing the information to the management system in real time, and security control of the operators around the vehicle is implemented. Compared with the traditional data uploading and issuing utilization mode, the data utilization in the 5G mode is more efficient, the time delay is shorter, the reliability is higher, and the economy is better. Compared with the 4G technology, the 5G technology has the greatest improvement advantage of the transmission rate of the network, and the theoretical peak value can reach 10Gbps, so that people can transmit high-definition images in real time by building a 5G network platform, the site is fully covered, and a quick response safety management system of 'monitoring without blind areas and inspection without dead angles' is realized.
As described above, only the preferred embodiments of the present invention are described, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should be considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides a fuse road bed intelligence operating system of 5G communication technology which characterized in that, fuse road bed intelligence operating system of 5G communication technology includes: the system comprises roadbed intelligent construction equipment, a wireless communication system, a satellite positioning base station and an intelligent cloud control platform;
the intelligent roadbed construction equipment comprises construction machinery, a sensor, a central control host, a control unit and a satellite positioning receiving device, wherein the sensor, the central control host, the control unit and the satellite positioning receiving device are installed on the construction machinery;
the central control host is respectively connected with the sensor, the control unit and the satellite positioning receiving device;
the sensor is used for sending the detected sensing information data to the central control host;
the satellite positioning receiving device is used for sending satellite positioning data to the central control host;
the central control host is used for sending a control instruction to the control unit;
the roadbed intelligent construction equipment, the satellite positioning base station and the intelligent cloud control platform are in communication connection through the wireless communication system;
the wireless communication system adopts a 5G communication network;
the intelligent cloud control platform comprises a project management module, a path planning module, a quality management module, a pressure supplementing planning module and a system management module.
2. The roadbed intelligent operation system fused with the 5G communication technology is characterized in that the project management module comprises an engineering management submodule, a construction progress submodule and an equipment management submodule;
the project management submodule comprises a plan management unit and an operation management unit;
the plan management unit is configured to process plan management information, where the plan management information includes: time, task name, current rolling layer, filler type, filling part, name of responsible person, operation range, construction mileage, compaction thickness, lap width, road roller number, road roller speed, rolling pass and target VCV value;
the operation management unit comprises an operation area management subunit and an operation block management subunit;
the operation area management subunit is used for managing the area operation, the rolling layer and the operation blocks according to construction parameter information issued to the machine by plan management;
the operation block management subunit is used for determining a formal construction operation block by positioning the operation block by a road roller or a dotter after the completion of a rolling layer is confirmed, and establishing the operation block on the unmanned path planning platform according to the construction task parameters after the construction operation block is determined;
the construction progress submodule is used for checking the daily average construction progress and counting the total construction mileage/construction time during the construction starting period of the current project;
the equipment management submodule is used for counting the total number, the total construction time and the total construction mileage of all construction machines under the whole project and checking the machine state.
3. The roadbed intelligent operation system fused with the 5G communication technology, wherein the path planning module comprises an unmanned rolling sub-module, a fault alarm sub-module and a construction playback sub-module;
the unmanned rolling submodule is used for controlling the road roller to automatically plan and generate a rolling path according to rolling parameters of a construction task after the management of an operation area in engineering management is finished, and finishing unmanned compaction work;
the fault alarm submodule is used for realizing various abnormal alarms of the vehicle in the construction process;
and the construction playback submodule is used for selecting an operation area, a rolling layer and an operation block which need to be played back.
4. The roadbed intelligent operation system fusing the 5G communication technology, wherein the quality management module comprises a construction operation management submodule, a rolling data submodule and a compaction quality submodule;
the construction operation management submodule is used for checking all engineering data of roadbed filling and rolling;
the rolling data submodule is used for checking the current roadbed filling unmanned rolling VCV, speed, amplitude, vibration frequency, water content, mileage and equipment number in the system;
and the compaction quality submodule is used for checking a compaction state distribution diagram, a compaction degree and a compaction uniformity generated by the current roadbed filling project according to the rolling data of the road roller.
5. The roadbed intelligent operation system fused with the 5G communication technology is characterized in that the pressure supplementing planning module is used for uploading rolling data to the quality management module through path planning and rolling according to construction task parameters issued in project management, generating a compaction state diagram, judging whether the compaction condition is qualified or not, automatically supplementing pressure according to construction rolling parameters if the compaction condition is unqualified, and supplementing pressure until the compaction condition is qualified.
6. The roadbed intelligent operation system fused with the 5G communication technology is characterized in that the system management module is used for providing data management of vehicles, projects and units, the real-time monitoring module is used for browsing the overall information of construction projects and dynamically monitoring construction vehicles in real time, and managing and inquiring the information of all units participating in the current project;
vehicle inquiry and item inquiry.
7. The roadbed intelligent operation system fusing 5G communication technology according to claim 1, wherein the wireless communication system comprises: the system comprises a mechanical positioning communication system, a mechanical body control communication system and a mechanical-cloud control platform communication system.
8. The roadbed intelligent operation system fused with the 5G communication technology as claimed in claim 1, wherein the satellite positioning base station hardware adopts an onboard GPS receiver, and adopts a carrier phase differential real-time kinematic (RTK) positioning principle to realize centimeter-level positioning of the road roller, and the roadbed intelligent operation system specifically comprises: establishing a coordinate system with a satellite positioning base station as an original point, and determining the position coordinates and navigation information of each road roller in the coordinate system; the road roller and the satellite positioning base station are bridged by a wireless network, and wireless communication of the whole cluster is realized by using a wireless transmission mode.
9. The roadbed intelligent operation system fused with the 5G communication technology is characterized in that two positioning antennas are arranged above a cab on each road roller, and the influence of vibration on the positioning of the antennas is reduced by using the vibration reduction effect of the cab; the connecting line of the two antennas is vertical to the axis of the vehicle; one antenna plays a role in position location, and the other antenna plays a role in route location.
10. The roadbed intelligent operation system fused with the 5G communication technology as claimed in claim 8, wherein the satellite positioning base station comprises a positioning antenna, a GPS receiver, a switch, a monitoring server and a wireless transceiver, and the road roller comprises a wireless mobile terminal, a switch, a motion controller, a GPS receiver, a positioning antenna and a course antenna.
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