CN112988510A - BIM-based road compaction synchronous monitoring and feedback control system - Google Patents
BIM-based road compaction synchronous monitoring and feedback control system Download PDFInfo
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Abstract
The invention provides a BIM-based road compaction synchronous monitoring and feedback control system, which comprises: the system comprises a data sensing system, a data transmission management system, a BIM real-time monitoring visualization system, a compaction feedback control system and a compaction machine regulation control system. The invention is based on the research of continuous compaction control technology, establishes a three-dimensional synchronous simulation monitoring and feedback control system by means of the powerful three-dimensional visualization capability of BIM technology, realizes the real-time monitoring and calculation analysis of compaction data, compaction tracks, compaction times and compaction quality distribution state, simultaneously establishes a compaction quality feedback and control system, realizes the automatic feedback regulation control of compaction machinery working parameters, powerfully promotes the realization of the fine construction of roads, improves the interaction efficiency of construction information and ensures the final quality of compaction construction.
Description
Technical Field
The invention relates to the technical field of intelligent construction of road construction, in particular to a BIM-based road compaction synchronous monitoring and feedback control system.
Background
One of the final important links of the compaction procedure in road construction, domestic and foreign engineering practices and experimental research have long proved that when a roadbed and pavement structure layer is constructed, the whole strength of the roadbed, the pavement structure layer and the pavement can be improved and the stability of the roadbed, the pavement structure layer and the pavement can be improved only by adopting a construction machine to carry out careful compaction, so that various early damage phenomena possibly generated on the pavement can be reduced or even avoided, and the service performance and the service life of the pavement are greatly improved. In order to ensure that the road compaction quality meets the specified requirements, the adoption of a proper and effective compaction degree detection method is an important means for monitoring the compaction quality.
The traditional compaction quality detection methods (such as a cutting ring method, a sand filling method and the like) have the defects of limited sampling points, hysteresis in detection and the like, are difficult to feed back the compaction quality state information of the current compaction area to a technology and a manager in real time, cannot realize real-time comprehensive and continuous compaction quality detection and evaluation, and cannot meet the requirement of higher-quality road construction.
Meanwhile, with the rapid development of computer technology, the bim (building Information model) technology has been widely popularized and applied in the engineering field. Based on the three-dimensional parameterization characteristic of the BIM model, if the BIM technology is applied to engineering construction operation, a good visual and developable digital feedback expression environment can be provided for the construction process, and the visualization level of information is obviously improved.
Therefore, under the action of increasing traffic loads, in order to better adapt to the future traffic environment, the invention realizes a real-time, rapid and comprehensive compaction quality detection method based on the continuous compaction control technology, and simultaneously designs and develops a road compaction real-time synchronous monitoring and feedback control system by means of the powerful three-dimensional visualization function and the parametric characteristic of a model of the BIM technology, thereby realizing the fine construction of roads and ensuring that the final quality of construction meets the requirements.
Disclosure of Invention
Aiming at the problems of limited detection points, lag of detection time, lack of real-time feedback of quality detection results and low visualization level of a feedback form in the existing compaction quality detection technology in road construction engineering, the invention provides a BIM-based road compaction synchronous monitoring and feedback control system, which is based on the research of a continuous compaction control technology and by means of the powerful three-dimensional visualization capability of the BIM technology, carries out three-dimensional synchronous visualization simulation on the road compaction process and the compaction state, realizes the real-time monitoring and computational analysis on compaction data, compaction tracks, compaction times and compaction quality distribution states, and simultaneously establishes a compaction quality feedback and control system to realize the automatic feedback regulation control on the working parameters of a compaction machine so as to ensure that the best compaction effect is realized in compaction operation.
In order to achieve the purpose, the invention adopts the following technical scheme:
a road compaction synchronous monitoring and feedback control system based on BIM comprises:
the data perception system is used for acquiring the positioning information of the compaction field area, acquiring the construction parameters and the vibration response of the field road roller and the positioning data of the road roller in real time;
the data transmission management system is used for connecting each system module in real time and realizing data transmission, interaction and storage among the system modules;
the BIM real-time monitoring visualization system is used for constructing a BIM three-dimensional visualization model of a road and a compaction machine, providing a digital three-dimensional construction simulation environment of field construction operation in a system platform, realizing synchronous visualization simulation of a compaction process, performing parameter association on a compaction quality result of the road model and realizing real-time monitoring of the compaction process and the compaction quality;
and the compaction feedback control system is used for analyzing and calculating the current compaction quality, automatically generating a construction parameter continuous feedback adjustment scheme of the compaction operation in the BIM platform according to the current compaction quality and the distribution thereof, and synchronously controlling the on-site compaction machine to carry out parameter adjustment.
And the compacting machine adjusting control system is used for receiving the parameter information of the feedback adjusting scheme, converting the parameter information into a system digital signal and continuously adjusting the advancing speed, the excitation frequency and the amplitude of the on-site compacting machine in real time.
As a further preferred scheme, the data perception system comprises a sensor device, a GPS/Beidou positioning module and a sensor receiving terminal.
The sensor device comprises an acceleration sensor, a speed sensor and a temperature sensor and is used for acquiring vibration response data, advancing speed and real-time road surface temperature of the vibratory roller in the compaction process in real time;
the GPS/Beidou positioning module comprises a GPS reference station and a GPS receiver, adopts a carrier phase differential technology, is used for carrying out precise static positioning on a compaction field area range, acquires key area position data to construct a digital construction field model, dynamically positions compaction machinery and acquires real-time road roller position data information;
the sensor receiving terminal comprises a data coding and decoding unit, a signal receiving and processing unit and a remote communication unit, and is used for collecting data signals measured by the sensor in real time, coding and decoding original data information of the signals, converting and integrating the data through a signal receiving and processing module, and finally transmitting the data to a remote database in real time through the remote communication unit.
As a further preferred scheme, the data transmission management system comprises a data communication module, a data processing module and a compaction database.
The data communication module comprises a wide area network communication unit and a local area network communication unit, the wide area network communication unit is connected with the data sensing system (100) through a mobile communication network or a wired network to carry out data communication and transmission, and the local area network realizes data communication and transmission between devices or systems in a short distance through Bluetooth, WIFI or wired communication;
the data processing module is used for organizing and managing a data structure and a data format of the original sensor integrated data obtained by real-time transmission, and regenerating a data packet based on the timestamp and the position data;
the compaction database stores corresponding data information by establishing a project information data table, and realizes access and management of data in a wide area network on a deployment cloud server.
As a further preferable scheme, the BIM real-time monitoring visualization system comprises a road model rapid generation module, a compaction process real-time monitoring module and a compaction quality real-time monitoring module.
The road model rapid generation module is used for reading the key position data information of a road area obtained by GPS/Beidou positioning, establishing a road three-dimensional BIM parameterized model by combining with the geometric parameters of a road structure layer, and associating the materials and the geometric parameters of the road structure layer material, the thickness and the like with the construction parameters of compaction strips, compaction pass, compaction quality measurement indexes and the like;
the real-time monitoring module for the compaction process comprises a positioning data coordinate system conversion unit and a real-time monitoring unit for the compaction process, wherein:
the positioning data coordinate system conversion unit obtains local construction coordinate system coordinates through a coordinate system conversion model based on the positioning data of the GPS/Beidou positioning device on the compacting machine, so that a BIM model of the road roller is generated rapidly;
the real-time monitoring unit for the compaction process continuously refreshes the position of the road roller model according to the real-time position data to realize the real-time monitoring of the compaction process, and simultaneously calculates the range of the compaction operation area of the road roller model according to the width of the road roller model to further count the information of the times of compaction of each area in the road model;
the compaction quality real-time monitoring module comprises a compaction quality real-time calculation unit and a compaction quality visualization unit, wherein:
the compaction quality real-time calculation unit obtains a real-time compaction quality measurement value through a compaction quality measurement index calculation model based on real-time vibration response data acquired by a sensor, and obtains a compaction quality measurement index value at a specific area position according to a local coordinate value obtained by conversion of GPS/Beidou positioning data;
the compaction quality visualization unit performs mapping conversion on the surface color attribute of the model based on the compaction quality index value of each region of the road BIM model to obtain the road visualization model displayed in different colors under different compaction degrees, and sets warning colors for the road region model with the compaction quality under-pressure or over-pressure to realize real-time monitoring on the compaction quality.
As a further preferred aspect, the compaction feedback control system includes a compaction quality analysis evaluation module and a feedback adjustment module.
The compaction quality analysis evaluation module comprises a single-region compaction quality evaluation unit and a multi-region compaction uniformity analysis unit, wherein:
the single-region compaction quality evaluation unit acquires compaction quality data of the test road to obtain a compaction quality evolution rule model, and evaluates the deviation of the current compaction quality from the expected compaction quality according to the rule model;
the multi-region compaction uniformity analysis is used for carrying out uniformity analysis on the multi-region compaction quality through a statistical learning method to obtain an evaluation index;
the feedback adjusting module obtains a construction parameter adjusting scheme for realizing the optimal compaction quality through threshold setting by establishing a compaction quality control mechanism and based on the deviation value of the compaction quality evaluation result, and transmits the parameter value of the adjusting scheme to a control system of the compaction machine in real time.
As a further preferred aspect, a compactor machine conditioning control system includes a telecommunications module and a conditioning control module;
the adjusting control module synchronously adjusts the mechanism parameters of the compacting machine according to the feedback scheme of the feedback adjusting module, and realizes the synchronous feedback adjustment of the advancing speed, the amplitude and the frequency of the compacting machine.
Compared with the prior art, the invention can achieve the following beneficial effects:
(1) the invention is based on the intelligent compaction technology, can realize real-time, comprehensive and continuous detection of the on-site compaction quality, and greatly improves the detection and control level of the construction quality.
(2) The invention establishes a data transmission interaction system taking a database as a core based on a sensor device and real-time communication equipment, and realizes complete recording and storage of field data.
(3) The invention is based on a BIM technical component road structure model and carries out system development based on a BIM three-dimensional model, thereby realizing high-level visual monitoring and management of road compaction construction.
(4) The invention establishes a compaction quality analysis control and feedback mechanism, is connected with a regulation system of the compaction machine, can effectively regulate the construction parameters of the machine in real time, reduces the cost and error of human decision and powerfully ensures the realization of the optimal compaction quality.
Drawings
Fig. 1 is a schematic structural diagram of a system according to a first embodiment of the present invention.
Fig. 2 is a schematic deployment diagram of system modules according to a second embodiment of the present invention.
Fig. 3 is a schematic diagram of a data acquisition and transmission flow of a BIM synchronous monitoring and feedback control system according to a second embodiment of the present invention.
Fig. 4 is a schematic working flow diagram of a BIM feedback control system according to a third embodiment of the present invention.
FIG. 5 is a schematic diagram of the working mechanism of BIM compaction quality feedback adjustment provided in the third embodiment of the present invention.
Detailed Description
For the purpose of more clearly and clearly illustrating the technical solutions, objects and advantages of the embodiments of the present invention, the following will describe in detail a road compaction synchronization monitoring and feedback system according to the present invention with reference to the accompanying drawings, it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments, and other embodiments based on the present invention obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
Fig. 1 is a schematic structural diagram of a BIM-based road compaction synchronous monitoring and feedback control system according to a first embodiment of the present invention, which includes the following components: the system comprises a data perception system 100, a data transmission management system 200, a BIM real-time visualization monitoring system 300, a compaction feedback control system 400 and a compaction machine regulation control system 500.
As shown in fig. 1, the data sensing system 100 includes a sensor device 110, a GPS/beidou positioning module 120 and a sensor receiving terminal 130, and is deployed on a single road roller for collecting real-time compaction data information.
In this embodiment, the sensor device 110 may be used to collect real-time on-site compaction data information during road compaction, which includes: the acceleration sensor 111 collects real-time vertical vibration acceleration response signals of the road roller, real-time road roller advancing speed data collected by the speed sensor 112 and real-time road surface temperature data collected by the temperature sensor 113, and the GPS/Beidou positioning module 120 collects position data of the road roller in real time, wherein satellite data observed by the GPS reference station 121 and satellite data observed by the GPS mobile receiver 122 are subjected to differential processing calculation to obtain real-time high-precision position data information.
In this embodiment, the data information collected by the sensor device 110 and the GPS/beidou positioning module 120 is transmitted to the sensor receiving terminal software 130, based on the terminal, further secondary development is performed, the data encoding unit 131 is established to decode the sensor and satellite positioning data into a uniform signal data format, the signal receiving and processing unit 132 is established to perform primary cleaning processing on the raw data, and finally, the data is transmitted to the data transmission management system 200 through the remote communication unit 133 to be processed.
As shown in fig. 1, the data transmission management system 200 includes a data communication module 210, a data processing module 220, and a compaction database 230. Wherein the data communication module 210 includes: a wide area network communication unit 211 and a local area network communication unit 212, where the system is deployed on a public network server and is used to implement connection, transmission, interaction, and storage of data between systems.
As shown in fig. 1, in the present embodiment, the data communication module 210 is used to implement connection transmission between the data transmission management system 200 and other system modules, including public network communication transmission implemented by the wan communication unit 211 and local network communication transmission implemented by the lan communication unit 212.
In this embodiment, the data information transmitted to the data transmission management system 200 is subjected to data validity check, data classification and data reassembly management by the data processing module 220, and finally the valid data is stored in the compaction database 230.
As shown in fig. 1, the BIM real-time monitoring visualization system 300 includes a road model fast generation module 310, a compaction process real-time monitoring module 320, and a compaction quality real-time monitoring module 330, and is deployed on a remote monitoring terminal for implementing synchronous monitoring of a compaction process and compaction quality.
In this embodiment, the road model fast generation module 310 fast establishes a road parameterized model in the Revit software platform according to the engineering data information and the compacted region satellite positioning data, where the model of each region of the road has parameterized attribute information such as a region number, region position coordinate information, region compaction pass, and region compaction quality index value.
In this embodiment, a compaction real-time monitoring module is established by performing secondary development based on a BIM model. In the real-time control module 320 for compaction process, the satellite data is subjected to coordinate system conversion according to the positioning data coordinate system conversion unit 321 to obtain the coordinate of the local construction plane coordinate system, in the real-time monitoring unit 322 for compaction process, the compaction machine is rapidly modeled in the Revit platform according to the converted real-time position coordinate, the real-time position of the BIM three-dimensional model of the machine is synchronously refreshed, and the compaction track path is drawn in the monitoring module to realize the real-time monitoring of the compaction process.
In this embodiment, in the compaction quality real-time monitoring module 330, according to the compaction quality real-time calculating unit 331, the acquired real-time acceleration sensor data is calculated and processed by the compaction quality measurement index conversion model to obtain a compaction quality measurement index value. In the compaction quality visualization unit 332, according to the compaction quality measurement index value and the real-time position coordinate value, the compaction quality attribute of the road BIM in the area corresponding to the BIM model is updated in real time, the surface color of the model is synchronously updated according to the quality index value, the color of the area with the compaction quality meeting the requirement is set to be green, the color of the area without the compaction quality meeting the requirement is set to be orange, and the real-time visualization monitoring of the compaction quality is realized. Further, a more detailed color gradient may be set for display according to the magnitude of the degree of compaction.
As shown in FIG. 1, the compaction feedback control system 400 includes a compaction quality analysis evaluation module 410 and a feedback adjustment module 420. The system is deployed on a remote monitoring terminal and used for analyzing and evaluating the current compaction quality and providing a feedback regulation scheme.
In this embodiment, the evaluation and analysis of the compaction quality by the compaction quality analysis evaluation module 410 includes: the single-region compaction quality evaluation unit 411 is used for analyzing the deviation value of the actual compaction quality and the expected compaction quality of the single region in each compaction pass, performing multi-level control on the deviation value, and setting a deviation value multi-level threshold early warning mechanism; and the multi-zone compaction uniformity analysis unit is used for carrying out uniformity analysis and judgment on the compaction quality of a plurality of zones and setting a multi-level threshold early warning mechanism of uniformity indexes. The evaluation and analysis of the compaction quality are realized through the units, and early warning control is performed according to the evaluation and analysis result.
In this embodiment, the feedback adjustment module 420 provides a road roller working parameter adjustment scheme for achieving the optimal compaction quality based on the current compaction quality according to the evaluation result of the compaction quality analysis and evaluation module 410 and according to the established compaction quality control adjustment system.
As shown in fig. 1, the adjustment control system 500 for a compacting machine includes a remote communication module 510 and an adjustment control module 520 that are deployed on a compactor to adjust working parameters of the compactor.
In this embodiment, the remote communication module 510 is in communication connection with the feedback adjustment module 420 through remote real-time communication, obtains an optimal working parameter adjustment scheme analyzed and obtained by the feedback control system 400, and according to the scheme, realizes real-time synchronous feedback adjustment of working parameters of the road roller through the speed adjustment unit 521, the amplitude adjustment unit 522, and the frequency adjustment unit 523 in the adjustment control module 520, so as to ensure that the compaction quality of each area of the road meets the requirement.
Example two
The second embodiment of the invention provides a schematic diagram of a deployment scheme of a BIM (building information modeling) road compaction synchronous monitoring and feedback control system, which is shown in figure 2. The deployment scheme relies on a BIM-based road compaction synchronous monitoring and feedback system, and the system adopts the BIM-based road compaction synchronous monitoring and feedback control system in the first embodiment.
Referring to fig. 2, a schematic deployment diagram of the system modules is shown, and the data perception system 100 is deployed and installed on a single road roller, and includes: sensor device 110, GPS/big dipper orientation module 120, sensor receiving terminal 130. The sensor device 110 is installed on a middle shaft of a vibration roller of the road roller, the GPS/Beidou positioning module 120 is installed at the top of a cab of the road roller, the sensor receiving terminal 130 is installed in the cab, and data among the modules are transmitted and interacted through data lines.
The data transmission system 200, the BIM real-time monitoring visualization system 300 and the compaction feedback control system 400 are software program sets which are deployed and operated on remote servers and computers and are connected with a system on a single road roller through a public network. The data transmission system 200 is used for transmitting stored data, the BIM real-time monitoring visualization system 300 is used for monitoring the compaction process and the road compaction quality state in real time under the BIM software environment, the compaction feedback control system 400 judges whether the current compaction quality is good or not by operating a feedback adjustment mechanism, and provides an optimal adjustment scheme of the working parameters of the road roller so as to ensure that the road compaction quality reaches the optimal compaction quality.
The compacting machine conditioning control system 500 is deployed on a single roller and includes a remote communication module 510 for data interaction with the remote server-side compaction feedback control system 400; and the adjusting control module is used for controlling a mechanical system on the road roller to adjust parameters such as working speed, amplitude, frequency and the like of the road roller. And all hardware modules on the road roller are connected with the serial line through data lines.
EXAMPLE III
The third embodiment of the invention provides a data real-time acquisition, transmission interaction and feedback regulation process under the system working state. The process relies on a BIM-based road compaction synchronous monitoring and feedback system, the system adopts the BIM-based road compaction synchronous monitoring and feedback control system in the first embodiment, and the system deployment mode adopts the system deployment structure in the second embodiment.
Fig. 2 is a schematic deployment diagram of the system modules. When a single vibratory roller starts to work, the whole data sensing system starts to work, a sensor device at 110 in the figure 2 integrates a three-axis acceleration sensor, a speed sensor and an infrared temperature sensor, the advancing speed data of the roller, the vibration acceleration data of a vibration wheel and the temperature data of the road surface at the position of the vibration wheel are collected in real time, a GPS/Beidou positioning module at 120 in the figure 2 is a GPS/Beidou positioning receiver, and a well-installed RTK reference station is preset in cooperation with a construction site, so that the GPS coordinate value of the position of the roller is collected in real time. The real-time data are received and filtered by the data receiving terminal, effective data information is extracted, and then the data communication module performs communication transmission, as shown in fig. 2, the data are transmitted to the remote data management system 200 in real time, and are stored in the compaction database 230 after being processed, and are transmitted to the BIM real-time monitoring visualization system 300 and the compaction feedback control system 400. In the embodiment, the communication transmission can be realized by connecting the site router and then accessing the wide area network.
Fig. 3 is a data acquisition and transmission flow of the whole system. Fig. 3 is a schematic diagram of data transmission in cooperative construction of 3 vibratory rollers, and each mechanical device is provided with a set of data sensing system and a data acquisition terminal. The data acquisition terminal is responsible for acquiring data such as acceleration, speed and position of the road roller in real time, performing unified data multi-source fusion processing on data information from different road rollers, different sensor devices and different data formats, forming a single data packet based on a timestamp, and transmitting the real-time data packet to a remote data processing platform through remote communication. And further unpacking and fusing the data packet on a remote data processing platform, integrating other pre-input engineering information parameters, finally storing the data into a compaction database, responding to the synchronous visual monitoring and feedback system, and returning data information required by the system.
FIG. 4 is a schematic view of a road compaction feedback adjustment process. When the road roller starts to work, a three-dimensional virtual digital construction scene is synchronously established in a remote BIM road compaction synchronous platform, the actual compaction construction operation and the engineering environment are dynamically simulated and restored, meanwhile, the system platform can calculate and analyze a compaction quality state index value according to acceleration vibration response data, and attributes such as road model color and the like are changed in real time in the BIM, so that dynamic visual monitoring of compaction quality is realized, further, the compaction track of the road roller and the compaction quality state of the road surface can be synchronously monitored in real time in the BIM, the current compaction quality is calculated and analyzed in real time through a compaction feedback control system, so as to judge whether the compaction quality of the road surface area under the current pass is in a proper range, and the optimal compaction working parameter of the road roller in the next pass of compaction process is given in real time through a compaction quality feedback regulation mechanism, so as to ensure that the final compaction quality meets the requirements.
The compaction feedback control system can calculate and analyze the current compaction quality in real time to judge whether the compaction quality of the road surface area under the current pass is in a proper range, and the optimal compaction working parameters of the road roller in the next compaction process are given in real time through a compaction quality feedback adjusting mechanism to ensure that the final compaction quality meets the requirements.
FIG. 5 is a schematic diagram of a road compaction feedback regulation control mechanism. According to the control mechanism process, the BIM road compaction synchronization and feedback system compares and analyzes the current compaction quality index value Ki and the target compaction index value Kn under the current pass, finally generates a feedback regulation scheme, further analyzes the index data to determine a specific regulation parameter value, and then transmits the feedback regulation scheme and the parameter to a compaction machinery control system on the road roller through a communication transmission module. The feedback adjustment scheme provides parameters including: working state, forward speed, vibration amplitude and vibration frequency.
After receiving the feedback adjustment scheme data, the compacting machinery control system 500 analyzes the data, converts specific parameter values into electric signals, transmits instructions to the speed, amplitude and frequency adjusting unit, further controls the running power of the motor of the road roller to adjust the running speed, and controls a hydraulic control module in the amplitude and frequency working system of the road roller to adjust the single discharge capacity of an oil pump so as to control the amplitude or frequency of the road roller, thereby realizing the automatic adjustment of the working parameters of the road roller.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a road compaction is control and feedback control system in step based on BIM which characterized in that includes:
the data perception system (100) is used for acquiring the positioning information of the compaction field area, acquiring the construction parameters and the vibration response of the field road roller in real time and acquiring the positioning data of the road roller;
the data transmission management system (200) is used for connecting each system module in real time and realizing data transmission, interaction and storage among the system modules;
the BIM real-time monitoring visualization system (300) is used for constructing a BIM three-dimensional visualization model of a road and a compaction machine, providing a digital three-dimensional construction simulation environment of field construction operation in a system platform, realizing synchronous visualization simulation of a compaction process, performing parameter association on a compaction quality result of the road model and realizing real-time monitoring of the compaction process and the compaction quality;
the compaction feedback control system (400) is used for analyzing and calculating the current compaction quality, automatically generating a construction parameter continuous feedback adjustment scheme of compaction operation in the BIM platform according to the current compaction quality and the distribution thereof, and synchronously controlling the on-site compaction machinery to carry out parameter adjustment;
and the compacting machine adjusting control system (500) is used for receiving the parameter information of the feedback adjusting scheme, converting the parameter information into a system digital signal and continuously adjusting the advancing speed, the excitation frequency and the amplitude of the on-site compacting machine in real time.
2. The BIM-based road compaction synchronous monitoring and feedback control system according to claim 1, wherein: the data perception system (100) comprises a sensor device (110), a GPS/Beidou positioning module (120) and a sensor receiving terminal (130);
the sensor device (110) comprises an acceleration sensor (111), a speed sensor (112) and a temperature sensor (113) and is used for acquiring vibration response data, advancing speed and real-time road surface temperature of the vibratory roller in the compaction process in real time;
the GPS/Beidou positioning module (120) comprises a GPS reference station (121) and a GPS receiver (122), adopts a carrier phase differential technology, is used for carrying out accurate static positioning on a compaction field area range, collects key area position data to construct a digital construction site model, is used for carrying out dynamic positioning on compaction machinery and collects real-time road roller position data information;
the sensor receiving terminal (130) comprises a data coding and decoding unit (131), a signal receiving and processing unit (132) and a remote communication unit (133), and is used for collecting data signals measured by the sensor in real time, coding and decoding original data information of the signals, converting and integrating the data through a signal receiving and processing module, and finally transmitting the data to a remote database in real time through the remote communication unit (133).
3. The BIM-based roadway compaction synchronization monitoring and feedback control system of claim 2, wherein the data transmission management system (200) comprises a data communication module (210), a data processing module (220) and a compaction database (230);
the data communication module (210) comprises a wide area network communication unit (211) and a local area network communication unit (212), the wide area network communication unit is connected with the data perception system (100) through a mobile communication network or a wired network to carry out data communication and transmission, and the local area network realizes data communication and transmission between devices or systems in a short distance through Bluetooth, WIFI or wired communication;
the data processing module (220) is used for organizing and managing a data structure and a data format of the original sensor integrated data obtained by real-time transmission, and regenerating a data packet based on the timestamp and the position data;
the compaction database (230) stores corresponding data information by establishing an engineering information data table, and realizes access and management of data in a wide area network on a deployment cloud server.
4. The BIM-based road compaction synchronous monitoring and feedback control system according to claim 3, wherein the BIM real-time monitoring visualization system (300) comprises a road model rapid generation module (310), a compaction process real-time monitoring module (320), and a compaction quality real-time monitoring module (330);
the road model fast generation module (310) is used for establishing a road three-dimensional BIM parameterized model by reading the key position data information of a road area obtained by GPS/Beidou positioning and combining with the geometric parameters of a road structure layer, and associating the materials and the geometric parameters of the road structure layer material, the thickness and the like with the construction parameters of a compaction strip, a compaction pass, a compaction quality measurement index and the like;
the real-time compaction process monitoring module (320) comprises a positioning data coordinate system conversion unit (321) and a real-time compaction process monitoring unit (322), wherein:
the positioning data coordinate system conversion unit (321) obtains local construction coordinate system coordinates through a coordinate system conversion model based on the positioning data of the GPS/Beidou positioning device on the compacting machinery, so as to quickly generate a BIM (building information modeling) of the road roller;
the real-time monitoring unit (322) of the compaction process continuously refreshes the position of the road roller model according to the real-time position data to realize the real-time monitoring of the compaction process, and simultaneously calculates the range of the compaction operation area of the road roller model according to the width of the road roller model to further count the information of the times of compaction of each area in the road model;
the compaction quality real-time monitoring module (330) comprises a compaction quality real-time calculation unit (331) and a compaction quality visualization unit (332), wherein:
the compaction quality real-time calculation unit (331) obtains a real-time compaction quality measurement value through a compaction quality measurement index calculation model based on real-time vibration response data acquired by a sensor, and obtains a compaction quality measurement index value at a specific area position according to a local coordinate value obtained by GPS/Beidou positioning data conversion;
the compaction quality visualization unit (332) performs mapping conversion on the surface color attribute of the model based on the compaction quality index value of each area of the road BIM model to obtain the road visualization model displayed in different colors under different compaction degrees, and sets warning colors for the road area model with the compaction quality under-pressure or over-pressure to realize real-time monitoring on the compaction quality.
5. The BIM-based roadway compaction synchronization monitoring and feedback control system of claim 4, wherein the compaction feedback control system (400) comprises a compaction quality analysis evaluation module (410) and a feedback adjustment module (420);
the compaction quality analysis evaluation module (410) comprises a single-zone compaction quality evaluation unit (411) and a multi-zone compaction uniformity analysis unit (412), wherein:
the single-region compaction quality evaluation unit (411) acquires compaction quality data of the test road to obtain a compaction quality evolution rule model, and evaluates the deviation of the current compaction quality from the expected compaction quality according to the rule model;
the multi-region compaction uniformity analysis is used for carrying out uniformity analysis on the multi-region compaction quality through a statistical learning method to obtain an evaluation index;
the feedback adjusting module (420) obtains a construction parameter adjusting scheme for realizing the optimal compaction quality through threshold setting by establishing a compaction quality control mechanism and based on the deviation value of the compaction quality evaluation result, and transmits the parameter value of the adjusting scheme to a control system of the compaction machine in real time.
6. The BIM-based roadway compaction synchronization monitoring and feedback control system of claim 5, wherein the compacting machine conditioning control system (500) comprises a remote communication module (510) and a conditioning control module (520);
the adjusting control module (520) synchronously adjusts the mechanism parameters of the compacting machine according to the feedback scheme of the feedback adjusting module (420), so as to realize the synchronous feedback adjustment of the advancing speed, the amplitude and the frequency of the compacting machine.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113534667A (en) * | 2021-07-30 | 2021-10-22 | 清华大学 | Method and device for adjusting vibration compaction parameters of rockfill material |
| CN115330952A (en) * | 2022-08-31 | 2022-11-11 | 广东粤通路桥工程有限公司 | BIM-based road compaction synchronous monitoring and feedback control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113534667A (en) * | 2021-07-30 | 2021-10-22 | 清华大学 | Method and device for adjusting vibration compaction parameters of rockfill material |
| CN115330952A (en) * | 2022-08-31 | 2022-11-11 | 广东粤通路桥工程有限公司 | BIM-based road compaction synchronous monitoring and feedback control system |
| CN115330952B (en) * | 2022-08-31 | 2023-03-10 | 广东粤通路桥工程有限公司 | BIM-based road compaction synchronous monitoring and feedback control system |
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