CN108287933B - Intelligent assembly type building hoisting system and method based on BIM and virtual reality technology - Google Patents
Intelligent assembly type building hoisting system and method based on BIM and virtual reality technology Download PDFInfo
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Abstract
The system comprises a server module, a virtual reality scene manufacturing module, a component query and report analysis module, a collision inspection module in a virtual scene, an intelligent path searching module in the virtual scene, a construction site information acquisition virtual simulation module, a construction site information acquisition module, a virtual scene updating module, a virtual simulation module in the hoisting process, a decision module, an intelligent control module in the hoisting process and a multi-platform control unit module; the method can realize component query and report analysis in the construction process in the virtual scene, collision inspection and intelligent path finding in the virtual scene, construction site information acquisition, virtual simulation of an assembly site and an assembly process, and real-time online intelligent control of the whole assembly building hoisting process, and can remarkably improve the installation quality and efficiency of the assembly building.
Description
The technical field is as follows:
the invention relates to an intelligent assembling type building hoisting system based on BIM and virtual reality technology and a working method thereof, and belongs to the technical field of intelligent buildings.
Background art:
the assembly type building is a novel building structure form, accords with the concept of a green building in the whole life process, responds to the national call of energy conservation and emission reduction and green construction, and enables the building industry to gradually develop from field operation to the direction of industrial production. The self weight of the assembled concrete structural member is large, the hoisting is difficult, the installation process is complex, and the precision requirement is high. At present, the assembly building is mainly hoisted in a manual hoisting mode, and the manual hoisting has the problems of high labor intensity, low efficiency, long construction period, poor hoisting accuracy and the like, so that the hoisting efficiency of the assembly building is seriously slowed down.
The invention content is as follows:
the purpose of the invention is as follows:
the invention provides an intelligent assembly type building hoisting system and method based on BIM and virtual reality technology, and aims to solve the problems in the prior art.
The technical scheme is as follows:
the utility model provides an assembly type structure intelligence hoist and mount system based on BIM and virtual reality technique which characterized in that: the system comprises a server module, a virtual reality scene making module, a component query and report analysis module, a collision inspection module in a virtual scene, an intelligent path finding module in the virtual scene, a construction site information acquisition virtual simulation module, a construction site information acquisition module, a virtual scene updating module, a virtual simulation module in a hoisting process, a decision-making module, an intelligent control module in the hoisting process and a multi-platform control unit module; the server module is communicated with the real scene manufacturing module, the component query and report analysis module, the construction site information acquisition module, the collision inspection module in the virtual scene, the intelligent path searching module in the virtual scene, the virtual construction site information acquisition module, the virtual scene updating module, the virtual simulation module in the hoisting process, the decision module, the intelligent control module in the hoisting process and the multi-platform control unit module.
The working method implemented by the assembly type building intelligent hoisting system based on the BIM and the virtual reality technology is characterized by comprising the following steps of:
the first step is as follows: establishing a database on a server according to the characteristics of the assembly type building, and storing all data information related to the virtual scene, construction virtual simulation data information, construction process control information, various decision instructions and information of interactive control of the multi-platform control unit;
the second step is that: the virtual reality scene production module comprises: the method comprises the following steps of (1) forming an integral BIM model of the fabricated building, a prefabricated part BIM model to be assembled, a pavement of a site and a tower crane BIM model;
the third step: the method comprises the steps that a component query and report analysis module is used for realizing query, retrieval and report analysis of components in a scene through retrieval and database operation of virtual scene components;
the fourth step: the collision detection module in the virtual scene adds a collision body component and a trigger component through components in the virtual scene, and extracts all components colliding with the research object through an algorithm;
the intelligent path searching module in the virtual scene takes collision detection as a constraint condition, obtains an optimal path in the virtual scene through an intelligent optimization algorithm, and writes corresponding information into a server;
and a sixth step: the construction site information acquisition virtual simulation module is communicated with the collision inspection module and the intelligent path finding module to determine the motion paths of the tower crane and the RFID chip data acquisition device during construction site information acquisition, and form a construction site information acquisition instruction to be stored in the decision module;
the seventh step: the assembly site information acquisition module comprises an RFID chip which is arranged in the assembly type component during production, an RFID chip data acquisition unit which is arranged on the tower suspension arm, a data transmission device and a component positioning algorithm; the method comprises the steps that a tower crane rotates at regular time, an RFID chip data collector scans an RFID chip embedded in an assembled component in a construction site to obtain BIM information in the RFID chip and distance information between the RFID chip and the data collector, the information of the RFID chip data collector is transmitted to a server through a data transmission device, and the server calculates site positioning coordinates of the component through a built-in positioning algorithm;
eighth step: the virtual scene updating module judges whether the component position deviation of the construction site is acceptable or not according to the corresponding relation between the component position in the virtual scene and the real component position in the real world, which is obtained by the site information acquisition module; if the deviation is not acceptable, sending installation error information to the server component to prompt a user that the installation of the component is wrong on site; if the deviation is acceptable, the position of the component in the scene is adjusted through an algorithm to enable the position of the component to accurately correspond to the position of the real component in the real world, and the adjusted component information is stored in a server;
the ninth step: the virtual simulation module in the hoisting process is communicated with the collision inspection module and the intelligent path searching module to determine the motion path of the tower crane in the construction hoisting process, form an intelligent control instruction in the hoisting process of an assembly site and store the intelligent control instruction in the decision module;
the tenth step: the decision module comprises: the method comprises the following steps of (1) component information query and report analysis instructions, construction site information acquisition virtual simulation instructions, construction site information acquisition instructions, virtual simulation control instructions in the hoisting process and intelligent control instructions in the hoisting process;
the eleventh step: and an intelligent control instruction of the hoisting process in the decision module is extracted through an intelligent control module of the hoisting process, and the intelligent control module is connected with a tower crane control system to finish the intelligent control of the hoisting process.
In the first step: importing the prepared BIM into a virtual reality platform through an FBX format, and automatically adding materials and a mapping through an algorithm to form a virtual reality model; solving the problem of model lightweight through component gridding in a scene; after coordinate conversion, the model control point coordinates correspond to the real object control point coordinates of the construction site one by one; and writes the corresponding information to the server.
In the fourth step: the collision inspection module extracts the constructable characteristics of the object by adjusting the space wrapping distance between the collision body and the research object and the trigger and combining collision detection; and storing the collision information and the constructable characteristic information of the object obtained by the collision checking module into a server.
In the seventh step: the positioning algorithm is that each RFID chip obtains distance information at least through 3 RFID data collectors, at least three spherical surfaces are constructed by the positions of the corresponding data collectors, and a spherical surface intersection equation is solved to determine the spatial position coordinates of the RFID chips; the RFID chip has two functions of storing component information and positioning, the position of the RFID chip in the component is determined by the positioning characteristic point coordinates of the component in a virtual scene, the spatial position coordinates of the RFID chip represent the position of the component after actual construction, and the corresponding relation between the component position in the virtual scene and the real component position in the real world can be established through the spatial position coordinates of the RFID chip; and the RFID chip data collector moves on the tower crane jib according to a certain rule.
The PC terminal, the mobile terminal and the webpage terminal control platform can complete component query and report analysis, construction site information acquisition virtual simulation, construction site information acquisition, virtual scene updating, virtual simulation of a hoisting process and real-time online intelligent control of the hoisting process through the control unit.
The advantages and effects are as follows: the invention provides an intelligent assembling type building hoisting system based on BIM and virtual reality technology and a working method thereof, which can realize component query and report analysis in the construction process in a virtual scene, collision inspection and intelligent path finding in the virtual scene, construction site information acquisition, virtual simulation of an assembling site and an assembling process, and real-time online intelligent control of the whole assembling type building hoisting process, and can remarkably improve the installation quality and efficiency of an assembling type building.
Description of the drawings:
FIG. 1 is a system block diagram of the present invention. Where the reference numerals represent the logical paths followed by the instructions.
The specific implementation mode is as follows:
the invention provides an assembly type building intelligent hoisting system based on BIM and virtual reality technology, which comprises a server module, a virtual reality scene making module, a component query and report analysis module, a collision inspection module in a virtual scene, an intelligent path searching module in the virtual scene, a construction site information acquisition virtual simulation module, a construction site information acquisition module, a virtual scene updating module, a virtual simulation module in a hoisting process, a decision-making module, an intelligent control module in the hoisting process and a multi-platform control unit module; the server module is communicated with the real scene manufacturing module, the component query and report analysis module, the construction site information acquisition module, the collision inspection module in the virtual scene, the intelligent path searching module in the virtual scene, the virtual construction site information acquisition module, the virtual scene updating module, the virtual simulation module in the hoisting process, the decision module, the intelligent control module in the hoisting process and the multi-platform control unit module.
The working method implemented by the assembly type building intelligent hoisting system based on the BIM and the virtual reality technology is characterized by comprising the following steps of:
the first step is as follows: establishing a database on a server according to the characteristics of the assembly type building, and storing all data information related to the virtual scene, construction virtual simulation data information, construction process control information, various decision instructions and information of interactive control of the multi-platform control unit;
the second step is that: the virtual reality scene production module comprises: the method comprises the following steps of (1) forming an integral BIM model of the fabricated building, a prefabricated part BIM model to be assembled, a pavement of a site and a tower crane BIM model;
importing the prepared BIM into a virtual reality platform through an FBX format, and automatically adding materials and a mapping through an algorithm to form a virtual reality model; solving the problem of model lightweight through component gridding in a scene; after coordinate conversion, the model control point coordinates correspond to the real object control point coordinates of the construction site one by one; and writes the corresponding information to the server.
The third step: the method comprises the steps that a component query and report analysis module is used for realizing query, retrieval and report analysis of components in a scene through retrieval and database operation of virtual scene components;
the fourth step: the collision detection module in the virtual scene adds a collision body component and a trigger component through components in the virtual scene, and extracts all components colliding with the research object through an algorithm;
the collision inspection module extracts the constructable characteristics of the object by adjusting the space wrapping distance between the collision body and the research object and the trigger and combining collision detection; and storing the collision information and the constructable characteristic information of the object obtained by the collision checking module into a server.
The intelligent path searching module in the virtual scene takes collision detection as a constraint condition, obtains an optimal path in the virtual scene through an intelligent optimization algorithm, and writes corresponding information into a server;
and a sixth step: the construction site information acquisition virtual simulation module is communicated with the collision inspection module and the intelligent path finding module to determine the motion paths of the tower crane and the RFID chip data acquisition device during construction site information acquisition, and form a construction site information acquisition instruction to be stored in the decision module;
the seventh step: the assembly site information acquisition module comprises an RFID chip which is arranged in the assembly type component during production, an RFID chip data acquisition unit which is arranged on the tower suspension arm, a data transmission device and a component positioning algorithm; the method comprises the steps that a tower crane rotates at regular time, an RFID chip data collector scans an RFID chip embedded in an assembled component in a construction site to obtain BIM information in the RFID chip and distance information between the RFID chip and the data collector, the information of the RFID chip data collector is transmitted to a server through a data transmission device, and the server calculates site positioning coordinates of the component through a built-in positioning algorithm;
the positioning algorithm is that each RFID chip obtains distance information at least through 3 RFID data collectors, at least three spherical surfaces are constructed by the positions of the corresponding data collectors, and a spherical surface intersection equation is solved to determine the spatial position coordinates of the RFID chips; the RFID chip has two functions of storing component information and positioning, the position of the RFID chip in the component is determined by the positioning characteristic point coordinates of the component in a virtual scene, the spatial position coordinates of the RFID chip represent the position of the component after actual construction, and the corresponding relation between the component position in the virtual scene and the real component position in the real world can be established through the spatial position coordinates of the RFID chip; and the RFID chip data collector moves on the tower crane jib according to a certain rule.
Eighth step: the virtual scene updating module judges whether the component position deviation of the construction site is acceptable or not according to the corresponding relation between the component position in the virtual scene and the real component position in the real world, which is obtained by the site information acquisition module; if the deviation is not acceptable, sending installation error information to the server component to prompt a user that the installation of the component is wrong on site; if the deviation is acceptable, the position of the component in the scene is adjusted through an algorithm to enable the position of the component to accurately correspond to the position of the real component in the real world, and the adjusted component information is stored in a server;
the ninth step: the virtual simulation module in the hoisting process is communicated with the collision inspection module and the intelligent path searching module to determine the motion path of the tower crane in the construction hoisting process, form an intelligent control instruction in the hoisting process of an assembly site and store the intelligent control instruction in the decision module;
the tenth step: the decision module comprises: the method comprises the following steps of (1) component information query and report analysis instructions, construction site information acquisition virtual simulation instructions, construction site information acquisition instructions, virtual simulation control instructions in the hoisting process and intelligent control instructions in the hoisting process;
the eleventh step: and an intelligent control instruction of the hoisting process in the decision module is extracted through an intelligent control module of the hoisting process, and the intelligent control module is connected with a tower crane control system to finish the intelligent control of the hoisting process.
The multi-platform control unit module includes: the system comprises a PC (personal computer) end, a mobile end and a webpage end control platform, wherein control instructions in a decision module are extracted through interactive operation of a multi-platform control unit, the control instructions in the decision module are extracted through the interactive operation of the multi-platform control unit, and the control instructions are connected with a tower crane control system to complete real-time online intelligent control of a hoisting process.
The multi-platform control unit can complete component query and report analysis, construction site information acquisition virtual simulation, construction site information acquisition, virtual scene updating, virtual simulation of a hoisting process and real-time online intelligent control of the hoisting process.
Claims (3)
1. An intelligent assembly type building hoisting method based on BIM and virtual reality technology is characterized in that: the method comprises the following steps:
the first step is as follows: establishing a database on a server according to the characteristics of the assembly type building, and storing all data information related to the virtual scene, construction virtual simulation data information, construction process control information, various decision instructions and information of interactive control of the multi-platform control unit;
the second step is that: the virtual reality scene production module comprises: the method comprises the following steps of (1) forming an integral BIM model of the fabricated building, a prefabricated part BIM model to be assembled, a pavement of a site and a tower crane BIM model;
the third step: the method comprises the steps that a component query and report analysis module is used for realizing query, retrieval and report analysis of components in a scene through retrieval and database operation of virtual scene components;
the fourth step: the collision detection module in the virtual scene adds a collision body component and a trigger component through components in the virtual scene, and extracts all components colliding with the research object through an algorithm;
the intelligent path searching module in the virtual scene takes collision detection as a constraint condition, obtains an optimal path in the virtual scene through an intelligent optimization algorithm, and writes corresponding information into a server;
and a sixth step: the construction site information acquisition virtual simulation module is communicated with the collision inspection module and the intelligent path finding module to determine the motion paths of the tower crane and the RFID chip data acquisition device during construction site information acquisition, and form a construction site information acquisition instruction to be stored in the decision module;
the seventh step: the assembly site information acquisition module comprises an RFID chip which is arranged in the assembly type component during production, an RFID chip data acquisition unit which is arranged on the tower suspension arm, a data transmission device and a component positioning algorithm; the method comprises the steps that a tower crane rotates at regular time, an RFID chip data collector scans an RFID chip embedded in an assembled component in a construction site to obtain BIM information in the RFID chip and distance information between the RFID chip and the data collector, the information of the RFID chip data collector is transmitted to a server through a data transmission device, and the server calculates site positioning coordinates of the component through a built-in positioning algorithm;
eighth step: the virtual scene updating module judges whether the component position deviation of the construction site is acceptable or not according to the corresponding relation between the component position in the virtual scene and the real component position in the real world, which is obtained by the site information acquisition module; if the deviation is not acceptable, sending installation error information to the server component to prompt a user that the installation of the component is wrong on site; if the deviation is acceptable, the position of the component in the scene is adjusted through an algorithm to enable the position of the component to accurately correspond to the position of the real component in the real world, and the adjusted component information is stored in a server;
the ninth step: the virtual simulation module in the hoisting process is communicated with the collision inspection module and the intelligent path searching module to determine the motion path of the tower crane in the construction hoisting process, form an intelligent control instruction in the assembly field hoisting process and store the intelligent control instruction in the decision module;
the tenth step: the decision module comprises: the method comprises the following steps of (1) component information query and report analysis instructions, construction site information acquisition virtual simulation instructions, construction site information acquisition instructions, virtual simulation control instructions in the hoisting process and intelligent control instructions in the hoisting process;
the eleventh step: extracting an intelligent control instruction of the hoisting process in the decision module through an intelligent control module of the hoisting process, and connecting the intelligent control instruction with a tower crane control system to finish intelligent control of the hoisting process;
in the first step: importing the prepared BIM into a virtual reality platform through an FBX format, and automatically adding materials and a mapping through an algorithm to form a virtual reality model; solving the problem of model lightweight through component gridding in a scene; after coordinate conversion, the model control point coordinates correspond to the real object control point coordinates of the construction site one by one; writing the corresponding information into the server;
in the fourth step: the collision inspection module extracts the constructable characteristics of the object by adjusting the space wrapping distance between the collision body and the research object and the trigger and combining collision detection; the collision information and the constructable characteristic information of the object obtained by the collision inspection module are stored in a server;
in the seventh step: the positioning algorithm is that each RFID chip obtains distance information at least through 3 RFID data collectors, at least three spherical surfaces are constructed by the positions of the corresponding data collectors, and a spherical surface intersection equation is solved to determine the spatial position coordinates of the RFID chips; the RFID chip has two functions of storing component information and positioning, the position of the RFID chip in the component is determined by the positioning characteristic point coordinates of the component in a virtual scene, the spatial position coordinates of the RFID chip represent the position of the component after actual construction, and the corresponding relation between the component position in the virtual scene and the real component position in the real world can be established through the spatial position coordinates of the RFID chip; and the RFID chip data collector moves on the tower crane jib according to a certain rule.
2. The intelligent assembling type building hoisting method based on the BIM and the virtual reality technology as claimed in claim 1, wherein: the multi-platform control unit module includes: the PC terminal, the mobile terminal and the webpage terminal control platform can complete component query and report analysis, construction site information acquisition virtual simulation, construction site information acquisition, virtual scene updating, virtual simulation of a hoisting process and real-time online intelligent control of the hoisting process through the control unit.
3. The utility model provides an assembly type structure intelligence hoist and mount system based on BIM and virtual reality technique which characterized in that: the system comprises a server module, a virtual reality scene making module, a component query and report analysis module, a collision inspection module in a virtual scene, an intelligent path finding module in the virtual scene, a construction site information acquisition virtual simulation module, a construction site information acquisition module, a virtual scene updating module, a virtual simulation module in a hoisting process, a decision-making module, an intelligent control module in the hoisting process and a multi-platform control unit module; the server module is communicated with the real scene manufacturing module, the component query and report analysis module, the construction site information acquisition module, the collision inspection module in the virtual scene, the intelligent path searching module in the virtual scene, the virtual construction site information acquisition module, the virtual scene updating module, the virtual simulation module in the hoisting process, the decision module, the intelligent control module in the hoisting process and the multi-platform control unit module; the system is used for implementing the intelligent assembling type building hoisting method based on the BIM and the virtual reality technology in the claim 1 or 2.
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