CN115550199B - BIM-based full-life-cycle digital twin system - Google Patents
BIM-based full-life-cycle digital twin system Download PDFInfo
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- H—ELECTRICITY
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- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
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- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
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- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
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Abstract
The invention relates to the technical field of data processing, in particular to a full-life-cycle digital twin system based on BIM. The system comprises a collecting module, a calculating module and a display module, wherein the collecting module is used for collecting a terrain height distribution map of an area to be built; the first calculation module calculates the height range and the flatness of the to-be-built area and determines the feasibility of the arrangement of the stations in the to-be-built area according to preset evaluation conditions; the segmentation module segments the area to be built to form a plurality of segmentation units; the second calculation module calculates the flatness of the plurality of segmentation units and determines the feasibility of the central station of the distribution station in the area to be built according to preset constraint conditions; the first determining unit determines the layout position of the central station according to the distance between the segmentation unit and the geometric center of the area to be built and the flatness of the segmentation unit; the second determining unit determines the arrangement position of the monitoring equipment according to the signal coverage distance of communication between each monitoring equipment and the central station, reduces the influence of the terrain environment on the operation of the station, and improves the authenticity of the whole operation data of the station.
Description
Technical Field
The invention relates to the technical field of data processing, in particular to a full-life-cycle digital twin system based on BIM.
Background
The station is used as a platform for researching and acquiring basic data in a scientific research project, plays an important role in the scientific research project, ensures the long-term stable operation of the station and the accuracy of observation data and results, can effectively reduce observation errors and uncertainty through high-quality data acquired by the station, truly reflects the basic characteristics of an observation object in the current environment, helps to solve scientific problems, and enables scientific research targets and work plans to be carried out smoothly.
The patent document with publication number CN115186355A discloses a digital twin system based on BIM and VR technology, the invention includes a data layer, a service processing layer and a display layer; the data layer is used for storing station data; the station data comprises real-time data and service data; real-time data adopts XML format and is reported by a data platform through HTTP; the service data comprises basic information, operation maintenance information, duty information and security information of the monitoring equipment; the service processing layer comprises monitoring equipment service processing and station service processing; the display layer is accessed through a browser, and BABYLONJS is used for optimizing three-dimensional processing display by using WEBGL technology.
In the prior art, the station is subjected to data collection, processing and display to obtain operation and maintenance information of the station, but the system cannot determine the rationality of station construction in the earlier stage of station construction operation and maintenance, cannot truly reflect the real characteristics of the detected object, and reduces the authenticity of data acquired by the station.
Disclosure of Invention
Therefore, the invention provides a full-life-cycle digital twin system based on BIM, which can solve the problem of low authenticity of data acquired by a station.
To achieve the above object, the present invention provides a BIM-based full-life-cycle digital twinning system, which comprises:
the system comprises an acquisition module, a data acquisition module and a data processing module, wherein the acquisition module is used for acquiring a terrain height distribution map of an area to be built for laying a station central station and a plurality of monitoring devices which are in data communication with the station central station, and the terrain height distribution map comprises a terrain height maximum value, a terrain height median value and a terrain height minimum value;
the first calculation module is used for calculating the height range and the flatness of the to-be-built area and determining the feasibility of the to-be-built area for arranging the stations according to preset evaluation conditions;
the segmentation module is connected with the acquisition module and used for segmenting the area to be built from two non-parallel directions to form a plurality of segmentation units;
the second calculation module is used for calculating the flatness of the plurality of segmentation units and determining the feasibility of the central station of the distribution station in the area to be built according to preset constraint conditions;
the first determining unit is respectively connected with the acquisition module and the segmentation unit and used for determining the layout position of the central station according to the distance between the segmentation unit and the geometric center of the area to be built and the flatness of the segmentation unit;
and the second determining unit is used for determining the arrangement position of the monitoring equipment according to the signal coverage distance of each monitoring equipment in communication with the central station.
Further, the first calculation module comprises a height difference value calculation unit and a flatness calculation unit, wherein the height difference value calculation unit is used for calculating a height difference value of the area to be built, and the flatness calculation unit is used for calculating the flatness of the area to be built;
the height range value calculating unit is provided with a first calculating formula delta H1= H1-H2, wherein delta H1 is the actual terrain range value of the area to be built, H1 is the maximum terrain range value of the area to be built, and H2 is the minimum terrain range value of the area to be built;
if k1 × Δ H0 is not less than Δ H1 and not more than k2 × Δ H0, the height range value calculation unit determines that the height feasibility of the station arranged in the area to be built is feasible, k1 is a first preset coefficient, k2 is a second preset coefficient, k1 is less than k2, and Δ H0 is a first preset terrain height range value;
if the delta H1 is less than k1 multiplied by delta H0 or the delta H1 is more than k2 multiplied by delta H0, the height range value calculating unit determines that the height feasibility of the station distributed in the area to be built is not feasible;
the flatness calculation unit is provided with a second calculation formula
P1 is the actual terrain flatness of the area to be built, and H3 is the median height of the terrain of the area to be built;
if the P1 is more than or equal to the P0, the flatness calculation unit determines that the feasibility of the flatness of the stations distributed in the area to be built is feasible, and the P0 is a first preset terrain flatness;
and if P1 is less than P0, the flatness calculation unit determines that the feasibility of the flatness of the station in the area to be built is not feasible.
Further, the dividing module is provided with a first dividing direction and a second dividing direction, and the first dividing direction is not parallel to the second dividing direction;
the dividing module equally divides the region to be built into m parts according to a first dividing direction, and the dividing module equally divides the region to be built into n parts according to a second dividing direction to form m multiplied by n dividing units.
Further, the second calculation module is provided with a third calculation formula
I is more than 0 and less than or equal to m multiplied by n, pi is the actual terrain flatness of the ith segmentation unit, hi1 is the highest value of the actual terrain height of the ith segmentation unit, hi2 is the lowest value of the actual terrain height of the ith segmentation unit, and Hi3 is the median value of the actual terrain height of the ith segmentation unit;
if Pi is greater than or equal to P0 ', the second computing module determines that the feasibility of the ith segmentation unit for laying the station central station is feasible, and P0' is the second preset terrain flatness;
and if Pi < P0', the second calculation module determines that the feasibility of the layout of the station central station by the ith segmentation unit is not feasible.
Further, the first determining unit is provided with a preset center difference value Δ Z0, and a distance difference value Δ Zi = ii-
The first determination unit determines whether the ith division unit is a station center candidate position according to the relationship between Δ Zi and Δ Z0;
if delta Zi is larger than delta Z0, the first determination unit determines that the ith segmentation unit is not used as a station center alternative position;
if delta Zi is not greater than delta Z0, the first determining unit determines the ith segmentation unit as the station center alternative position, and the system selects the ith segmentation unit with the smallest delta Zi and meeting Pi ≧ P0' as the station center position.
Further, when the first determining unit determines the station center position, the second determining unit establishes a spatial coordinate system with the station center position as a coordinate origin;
the second determining unit is provided with a preset signal coverage distance Lf0, and determines the position of the installation position of the monitoring equipment in the space coordinate system according to the relation between the actual signal coverage distance Lf1 of the monitoring equipment to be installed and the preset signal coverage distance Lf 0;
if Lf1 < Lf0, the second determination unit determines that the installation position of the monitoring device is at a position 0.8 × Lf1 from the origin;
if Lf1 > Lf0, the second determination unit determines that the installation position of the monitoring device is at a position 1.2 × Lf1 from the origin.
Further, the present invention also includes:
a building module, connected to the first determining unit and the second determining unit, respectively, for building a BIM model of a communication network formed by the central station and the monitoring device;
the receiving module is used for receiving monitoring data information of the monitoring equipment in the operation process of the communication network and taking the monitoring data information as input information of the BIM;
and the control module is respectively connected with the first determining unit, the second determining unit, the constructing module and the receiving module, and is used for judging the moving direction and the moving distance of the installation position of the monitoring equipment according to the monitoring data information, determining the running state of the monitoring equipment and determining whether to maintain.
Further, the building module determines the position of the monitoring equipment in the space coordinate system, obtains position coordinate data of the monitoring equipment, performs BIM modeling according to the space coordinate system and the position coordinate data of the monitoring equipment to obtain a BIM model, and optimizes the BIM model by tiling a model entity to obtain a station digital model;
the station is subjected to simulation operation according to the input information through the station digital model to obtain the simulation signal intensity of the monitoring equipment received by the central station of the station, the simulation signal intensity of the monitoring equipment received by the central station is Qi, i is the ith monitoring equipment, the control module is provided with a preset simulation signal intensity Q0, and the moving direction and the moving distance of the installation position of the monitoring equipment are judged according to the relation between the actual simulation signal intensity Qi and the preset simulation signal intensity Q0;
if Qi is less than Q0, the control module determines that the mounting position of the i-th monitoring device moves towards the central direction of the station, and the moving distance Xi = (Q0-Qi) × Qi/Li of the i-th monitoring device, where Li is the distance from the i-th monitoring device to the central station of the station;
if Qi is larger than or equal to Q0, the control module judges that the mounting position of the ith monitoring device does not need to be moved.
Further, the control module is provided with a first preset operation data deviation Δ Y0, setting Δ Y0= (Δ Y1+ Δ Y2+ \ 8230; + Δ Ya)/a, Δ Y1 is an operation data deviation acquired by a first monitoring device in an adjacent acquisition cycle, Δ Y2 is an operation data deviation acquired by a second monitoring device in an adjacent acquisition cycle, and Δ Ya is an operation data deviation acquired by an a-th monitoring device in an adjacent acquisition cycle, and the control module determines the working state of the a-th monitoring device according to a relation between the operation data deviation Δ Ya acquired by the a-th monitoring device in the adjacent acquisition cycle and the first preset operation data deviation Δ Y0;
if the delta Y0 is not more than the delta Ya, the control module judges that the working state of the a-th monitoring device is normal;
and if the delta Ya is larger than the delta Y0, the control module judges that the working state of the a-th monitoring device is abnormal.
Further, when determining that the operating state of the a-th monitoring device is abnormal, the control module is provided with a second preset operation data deviation Δ Y0 ', sets Δ Y0a = Δ Ya- Δ Y0, and Δ Y0 a' is a difference between the operation data deviation acquired by the a-th monitoring device in an adjacent acquisition cycle and the first preset operation data deviation, and determines the operating state of the a-th monitoring device according to a relationship between Δ Y0a 'and Δ Y0';
if k3 × Δ Y0 ″) is ≦ Δ Y0a ≦ k4 × Δ Y0 ″, the control module determines that the operation state of the a-th monitoring device is the first operation state, k3 is a third preset coefficient, k4 is a fourth preset coefficient, and k3 is less than k4;
if Δ Y0a 'is less than k3 × Δ Y0', the control module determines that the operation state of the a-th monitoring device is the second operation state;
if Δ Y0a ″ > k4 × Δ Y0 ″, the control module determines that the operation state of the a-th monitoring device is a third operation state;
and when the operating state of the a-th monitoring equipment is the second operating state and/or the third operating state, the control module sends monitoring equipment maintenance reminding information.
Compared with the prior art, the method has the advantages that the acquisition module acquires the terrain height distribution map of the area to be built, so that the acquisition of the terrain height data information of the area to be built is realized, and preparation is made for subsequent processing; the first calculation module calculates the height range and the flatness of the to-be-built area, determines the feasibility of the station arrangement of the to-be-built area according to preset evaluation conditions, and improves the terrain fitting degree of the station construction and the to-be-built area; the segmentation module segments the area to be built from two non-parallel directions to form a plurality of segmentation units, and the construction position selection of the central station of the station is promoted; the second calculation module calculates the flatness of the plurality of segmentation units and determines the feasibility of the central station of the distribution station of the area to be built according to preset constraint conditions; the first determining unit determines the layout position of the central station according to the distance between the segmentation unit and the geometric center of the area to be built and the flatness of the segmentation unit; the second determining unit determines the layout position of the monitoring equipment according to the signal coverage distance of communication between the monitoring equipment and the central station, so that the terrain height feasibility analysis and the terrain flatness feasibility analysis of the station in the early stage of construction are realized, the influence of a terrain environment on the operation of the station is reduced, and the authenticity of the overall operation data of the station is improved.
Particularly, the invention evaluates the feasibility of the height difference of the area to be built by setting the preset terrain height range, the height difference of the station construction to the environment has requirements, the too high height difference can make the station construction difficult, the monitoring equipment arrangement of the station is unreasonable, and the stable operation of the station in the proper environment is improved by limiting the height difference of the construction area.
Particularly, the invention evaluates the terrain flatness of the area to be built by setting the first preset terrain flatness, the terrain flatness has influence on the station construction, the excessively low terrain flatness has disturbance on data generated by the stable operation of the station monitoring equipment, and the accuracy of the data generated by the operation of the monitoring equipment is improved by judging the terrain flatness of the construction area.
Particularly, the station construction area is divided into m multiplied by n division units, and the terrain flatness of each division unit is analyzed, so that support is provided for the construction of a central station of the station, and the running stability of the station is improved.
Particularly, the area which can be used as the central position of the station is judged by setting the preset central difference value, and the segmentation unit which is closest to the origin of the coordinate system is obtained as the central position of the station, so that the distance difference between the station and each monitoring device is not overlarge, and the data accuracy of the monitoring device is improved.
Particularly, the invention judges the position of the installation position of the monitoring equipment in the space coordinate system according to the relation between the actual signal coverage distance of the monitoring equipment and the preset signal coverage distance by setting the preset signal coverage distance, comprehensively utilizes the parameters of the monitoring equipment, can reduce the installation number of the monitoring equipment on the premise of ensuring the accuracy of data acquisition of the monitoring equipment, and reduces the operation and maintenance cost of the station.
Particularly, the invention simulates the operation of the station by using the station digital model to obtain a simulation result about the signal intensity of the monitoring equipment received by the station central station, and adjusts the installation position of the monitoring equipment by comparing and analyzing the simulation result according to the preset value, so that the signal intensity of each monitoring equipment received by the station central station meets the preset requirement, and the operation efficiency of the station is improved.
Particularly, the working state of the monitoring equipment is judged according to the relation between the running data deviation acquired by the monitoring equipment in the adjacent acquisition period and the first preset running data deviation by setting the first preset running data deviation, so that the monitoring on the working state of the monitoring equipment is improved, and the running efficiency of the station is improved.
Particularly, the invention judges the running state of the monitoring equipment according to the relation between the difference value between the running data deviation acquired by the monitoring equipment in the adjacent acquisition period and the first preset running data deviation and the second preset running data deviation by setting the second preset running data deviation, judges the abnormal running state of the monitoring equipment and sends out maintenance reminding information according to specific conditions, thereby improving the monitoring of the system on the abnormal state of the monitoring equipment, timely informing a manager to maintain and improving the full life cycle operation and maintenance efficiency of the system.
Drawings
FIG. 1 is a schematic structural diagram of a BIM-based full-lifecycle digital twin system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a first computing module of a BIM-based full-lifecycle digital twinning system according to an embodiment of the present invention;
fig. 3 is an additional structural schematic diagram of a BIM-based full-lifecycle digital twin system according to an embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described in conjunction with the following examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and do not delimit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principles of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, the present invention provides a BIM-based full-life-cycle digital twin system, which includes:
the system comprises an acquisition module 100, a data acquisition module and a data processing module, wherein the acquisition module is used for acquiring a terrain height distribution map of an area to be built for laying a station central station and a plurality of monitoring devices which are in data communication with the station central station, and the terrain height distribution map comprises a terrain height maximum value, a terrain height median value and a terrain height minimum value;
the first calculation module 200 is configured to calculate a height range and flatness of the area to be built, and determine feasibility of laying stations in the area to be built according to preset evaluation conditions;
the segmentation module 300 is connected with the acquisition module and used for segmenting the area to be built from two non-parallel directions to form a plurality of segmentation units;
the second calculation module 400 is used for calculating the flatness of the plurality of segmentation units and determining the feasibility of the central station of the distribution station in the area to be built according to preset constraint conditions;
the first determining unit 500 is respectively connected with the acquisition module and the segmentation unit and is used for determining the arrangement position of the central station according to the distance between the segmentation unit and the geometric center of the area to be built and the flatness of the segmentation unit;
the second determining unit 600 is configured to determine the layout position of the monitoring devices according to the signal coverage distance of each monitoring device communicating with the central station.
Specifically, the method and the device have the advantages that the acquisition module acquires the terrain height distribution map of the area to be built, so that the acquisition of the terrain height data information of the area to be built is realized, and preparation is made for subsequent processing; the first calculation module calculates the height range value and the flatness of the area to be built, determines the feasibility of arranging the stations in the area to be built according to preset evaluation conditions, and improves the terrain fitting degree of the station construction and the area to be built; the segmentation module segments the area to be built from two non-parallel directions to form a plurality of segmentation units, and the construction position selection of the central station of the station is promoted; the second calculation module calculates the flatness of the plurality of segmentation units and determines the feasibility of distributing a central station of the station in the area to be built according to preset constraint conditions; the first determining unit determines the layout position of the central station according to the distance between the segmentation unit and the geometric center of the area to be built and the flatness of the segmentation unit; the second determining unit determines the layout position of the monitoring equipment according to the signal coverage distance of communication between the monitoring equipment and the central station, so that terrain height feasibility analysis and terrain flatness feasibility analysis in the early stage of station construction are realized, the influence of a terrain environment on the operation of the station is reduced, and the authenticity of the overall operation data of the station is improved.
Specifically, the first calculating module includes a height deviation value calculating unit 210 and a flatness calculating unit 220, the height deviation value calculating unit is used for calculating the height deviation value of the area to be built, the flatness calculating unit is used for calculating the flatness of the area to be built,
the height range value calculating unit is provided with a first calculating formula delta H1= H1-H2, wherein delta H1 is the actual terrain range value of the area to be built, H1 is the maximum terrain range value of the area to be built, H2 is the minimum terrain range value of the area to be built,
if k1 × Δ H0 is not less than Δ H1 and not more than k2 × Δ H0, the height range value calculation unit determines that the height feasibility of the station arranged in the area to be built is feasible, k1 is a first preset coefficient, k2 is a second preset coefficient, k1 is less than k2, and Δ H0 is a first preset terrain height range value;
and if the delta H1 is less than k1 multiplied by the delta H0 or the delta H1 is more than k2 multiplied by the delta H0, the height range value calculating unit determines that the height feasibility of the station in the area to be built is not feasible.
Specifically, the height difference feasibility of the area to be built is evaluated by setting the preset terrain height range, the height difference of the station construction to the environment is required, the too high height difference can make the station construction difficult, the monitoring equipment arrangement of the station is unreasonable, and the stable operation of the station in the appropriate environment is improved by limiting the height difference of the construction area.
Specifically, the flatness calculation unit is provided with a second calculation formula
P1 is the actual terrain flatness of the area to be built, H3 is the median height of the terrain of the area to be built,
if the P1 is more than or equal to the P0, the flatness calculation unit determines that the feasibility of the flatness of the stations distributed in the area to be built is feasible, and the P0 is a first preset terrain flatness;
and if P1 is less than P0, the flatness calculation unit determines that the feasibility of the flatness of the station in the area to be built is not feasible.
Specifically, the terrain flatness of the area to be built is evaluated by setting the first preset terrain flatness, the terrain flatness has influence on station construction, the excessively low terrain flatness has disturbance on data generated by stable operation of station monitoring equipment, and the accuracy of the data generated by operation of the monitoring equipment is improved by judging the terrain flatness of the building area.
In particular, the segmentation module is provided with a first segmentation direction and a second segmentation direction, the first segmentation direction and the second segmentation direction being non-parallel,
the dividing module equally divides the region to be built into m parts according to a first dividing direction, and the dividing module equally divides the region to be built into n parts according to a second dividing direction to form m multiplied by n dividing units.
Specifically, the second calculation module is provided with a third calculation formula
I is more than 0 and less than or equal to m multiplied by n, pi is the actual terrain flatness of the ith segmentation unit, hi1 is the highest value of the actual terrain height of the ith segmentation unit, hi2 is the lowest value of the actual terrain height of the ith segmentation unit, hi3 is the median value of the actual terrain height of the ith segmentation unit,
if Pi is greater than or equal to P0 ', the second computing module determines that the feasibility of the ith segmentation unit for laying the station central station is feasible, and P0' is the second preset terrain flatness;
and if Pi < P0', the second calculation module determines that the feasibility of the layout of the station central station by the ith segmentation unit is not feasible.
Specifically, the station construction area is divided into m × n division units, and the terrain flatness of each division unit is analyzed, so that support is provided for construction of a central station of the station, and the running stability of the station is improved.
Specifically, the first determining unit is provided with a preset central difference value Δ Z0, and a distance difference value Δ Zi = ii-
I, the first determination unit determines whether the ith division unit is used as a station center candidate position according to the relation between delta Zi and delta Z0,
if delta Zi is larger than delta Z0, the first determination unit determines that the ith segmentation unit is not used as a station center alternative position;
if Δ Zi is not greater than Δ Z0, the first determining unit determines the i-th segmentation unit as the station center candidate position, and the system selects the i-th segmentation unit having the smallest Δ Zi and satisfying Pi ≧ P0' as the station center position.
Specifically, the embodiment of the invention judges the area which can be used as the central position of the station by setting the preset central difference value, and acquires the segmentation unit which is closest to the origin of the coordinate system as the central position of the station, so that the distance difference between the station and each monitoring device is not too large, and the data accuracy of the monitoring device is improved.
Specifically, when the first determination unit determines the station center position, the second determination unit establishes a spatial coordinate system with the station center position as a coordinate origin,
the second determining unit is provided with a preset signal coverage distance Lf0, and determines the position of the installation position of the monitoring equipment in the space coordinate system according to the relation between the actual signal coverage distance Lf1 of the monitoring equipment to be installed and the preset signal coverage distance Lf 0;
if Lf1 is less than Lf0, the second determining unit determines that the installation position of the monitoring equipment is at a position 0.8 multiplied by Lf1 away from the origin, and the monitoring equipment is connected with the monitoring equipment through an optical fiber, so that the running data of the monitoring equipment is not influenced by the transmission distance;
if Lf1 > Lf0, the second determination unit determines that the installation position of the monitoring device is at a position 1.2 × Lf1 from the origin.
Specifically, the position of the installation position of the monitoring equipment in the space coordinate system is judged according to the relation between the actual signal coverage distance of the monitoring equipment and the preset signal coverage distance by setting the preset signal coverage distance, parameters of the monitoring equipment are comprehensively utilized, the installation number of the monitoring equipment can be reduced on the premise of ensuring the accuracy of data acquisition of the monitoring equipment, and the station operation and maintenance cost is reduced.
Referring to fig. 3, an embodiment of the present invention further includes:
a building module 700, connected to the first determining unit and the second determining unit, respectively, for building a BIM model of a communication network formed by the central station and the monitoring device;
a receiving module 800, configured to receive monitoring data information of the monitoring device during an operation process of the communication network, and use the monitoring data information as input information of the BIM model;
and a control module 900, which is respectively connected to the first determining unit, the second determining unit, the constructing module and the receiving module, and is configured to determine a moving direction and a moving distance of an installation position of the monitoring device according to the monitoring data information, determine an operation state of the monitoring device, and determine whether to perform maintenance.
Specifically, the building module determines the position of the monitoring equipment in the space coordinate system, obtains the position coordinate data of the monitoring equipment, performs BIM modeling according to the space coordinate system and the position coordinate data of the monitoring equipment to obtain a BIM model, and optimizes the BIM model by tiling the model entity to obtain the station digital model.
Specifically, the station is simulated and operated according to the input information through the station digital model to obtain the simulated signal intensity of the monitoring device received by the central station of the station, the simulated signal intensity of the monitoring device received by the central station is Qi, i is the ith monitoring device, the control module is provided with a preset simulated signal intensity Q0, and the moving direction and the moving distance of the installation position of the monitoring device are judged according to the relation between the actual simulated signal intensity Qi and the preset simulated signal intensity Q0;
if Qi is less than Q0, the control module determines that the mounting position of the i-th monitoring device moves towards the central direction of the station, and the moving distance Xi = (Q0-Qi) × Qi/Li of the i-th monitoring device, where Li is the distance from the i-th monitoring device to the central station of the station;
if Qi is larger than or equal to Q0, the control module judges that the mounting position of the ith monitoring device does not need to be moved.
Specifically, the embodiment of the invention simulates the operation of the station by using the station digital model to obtain a simulation result about the signal intensity of the monitoring equipment received by the station central station, and adjusts the installation position of the monitoring equipment by comparing and analyzing the simulation result according to the preset value, so that the signal intensity of each monitoring equipment received by the station central station meets the preset requirement, and the operation efficiency of the station is improved.
Specifically, the control module is provided with a first preset operation data deviation Δ Y0, setting Δ Y0= (Δ Y1+ Δ Y2+ \8230: + Δ Ya)/a, Δ Y1 is an operation data deviation acquired by a first monitoring device in an adjacent acquisition cycle, Δ Y2 is an operation data deviation acquired by a second monitoring device in an adjacent acquisition cycle, and Δ Ya is an operation data deviation acquired by an a-th monitoring device in an adjacent acquisition cycle, the control module determines the working state of the a-th monitoring device according to the relationship between the operation data deviation Δ Ya acquired by the a-th monitoring device in the adjacent acquisition cycle and the first preset operation data deviation Δ Y0,
if delta Y0 is less than or equal to delta Ya, the control module judges that the working state of the a-th monitoring device is normal,
and if the delta Ya is larger than the delta Y0, the control module judges that the working state of the a-th monitoring device is abnormal.
Specifically, according to the embodiment of the invention, the working state of the monitoring equipment is judged by setting the first preset running data deviation according to the relation between the running data deviation acquired by the monitoring equipment in the adjacent acquisition period and the first preset running data deviation, so that the monitoring on the working state of the monitoring equipment is improved, and the running efficiency of the station is improved.
Specifically, when the control module determines that the operating state of the a-th monitoring device is abnormal, the control module is provided with a second preset operation data deviation Δ Y0 ', sets Δ Y0a = Δ Ya- Δ Y0, and Δ Y0 a' as a difference value between the operation data deviation acquired by the a-th monitoring device in an adjacent acquisition cycle and the first preset operation data deviation, and determines the operating state of the a-th monitoring device according to a relationship between Δ Y0a 'and Δ Y0',
if k3 × Δ Y0 ″) is ≦ Δ Y0a ≦ k4 × Δ Y0 ″, the control module determines that the operation state of the a-th monitoring device is the first operation state, k3 is a third preset coefficient, k4 is a fourth preset coefficient, and k3 is less than k4;
if Δ Y0a 'is less than k3 × Δ Y0', the control module determines that the operation state of the a-th monitoring device is the second operation state;
if Δ Y0a ″ > k4 × Δ Y0 ″, then the control module determines that the operating state of the a-th monitoring device is the third operating state,
and when the running state of the a-th monitoring equipment is the second running state and/or the third running state, the control module sends monitoring equipment maintenance reminding information.
Specifically, according to the embodiment of the invention, the second preset running data deviation is set, the running state of the monitoring equipment is judged according to the relation between the difference value between the running data deviation acquired by the monitoring equipment in the adjacent acquisition period and the first preset running data deviation and the second preset running data deviation, the abnormal running state of the monitoring equipment is judged, and the maintenance reminding information is sent according to the specific situation, so that the monitoring of the system on the abnormal state of the monitoring equipment is improved, a manager is timely informed to maintain, and the full life cycle operation and maintenance efficiency of the system is improved.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is apparent to those skilled in the art that the scope of the present invention is not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A BIM-based full lifecycle digital twinning system, comprising:
the system comprises an acquisition module, a data acquisition module and a data processing module, wherein the acquisition module is used for acquiring a terrain height distribution map of an area to be built for laying a station central station and a plurality of monitoring devices which are in data communication with the station central station, and the terrain height distribution map comprises a terrain height maximum value, a terrain height median value and a terrain height minimum value;
the first calculation module is used for calculating the height range and the flatness of the to-be-built area and determining the feasibility of the to-be-built area for arranging the stations according to preset evaluation conditions;
the segmentation module is connected with the acquisition module and used for segmenting the area to be built from two non-parallel directions to form a plurality of segmentation units;
the second calculation module is used for calculating the flatness of the plurality of segmentation units and determining the feasibility of the central station of the distribution station in the area to be built according to preset constraint conditions;
the first determining unit is respectively connected with the acquisition module and the segmentation unit and used for determining the layout position of the central station according to the distance between the segmentation unit and the geometric center of the area to be built and the flatness of the segmentation unit;
and the second determining unit is used for determining the arrangement position of the monitoring equipment according to the signal coverage distance of each monitoring equipment in communication with the central station.
2. The BIM-based full-lifecycle digital twinning system of claim 1, wherein the first calculation module comprises a height variance value calculation unit and a flatness calculation unit, the height variance value calculation unit is configured to calculate a height variance value of the area to be built, and the flatness calculation unit is configured to calculate a flatness of the area to be built;
the height range value calculating unit is provided with a first calculating formula delta H1= H1-H2, wherein delta H1 is the actual terrain range value of the area to be built, H1 is the maximum terrain range value of the area to be built, and H2 is the minimum terrain range value of the area to be built;
if k1 × Δ H0 is not less than Δ H1 and not more than k2 × Δ H0, the height range value calculation unit determines that the height feasibility of the station arranged in the area to be built is feasible, k1 is a first preset coefficient, k2 is a second preset coefficient, k1 is less than k2, and Δ H0 is a first preset terrain height range value;
if the delta H1 is less than k1 multiplied by delta H0 or the delta H1 is more than k2 multiplied by delta H0, the height range value calculating unit determines that the height feasibility of the station distributed in the area to be built is not feasible;
the flatness calculation unit is provided with a second calculation formula
P1 is the actual terrain flatness of the area to be built, and H3 is the median height of the terrain of the area to be built;
if the P1 is more than or equal to the P0, the flatness calculation unit determines that the feasibility of the flatness of the stations distributed in the area to be built is feasible, and the P0 is a first preset terrain flatness;
and if P1 is less than P0, the flatness calculation unit determines that the feasibility of the flatness of the station in the area to be built is not feasible.
3. The BIM-based full-lifecycle digital twinning system of claim 2, wherein the segmentation module is provided with a first segmentation direction and a second segmentation direction, the first segmentation direction and the second segmentation direction being non-parallel;
the dividing module equally divides the region to be created into m parts according to a first dividing direction, and the dividing module equally divides the region to be created into n parts according to a second dividing direction to form m multiplied by n dividing units.
4. The BIM-based full lifecycle digital twinning system of claim 3, wherein the second calculation module is provided with a third calculation formula
I is more than 0 and less than or equal to m multiplied by n, pi is the actual terrain flatness of the ith segmentation unit, hi1 is the highest value of the actual terrain height of the ith segmentation unit, hi2 is the lowest value of the actual terrain height of the ith segmentation unit, and Hi3 is the median value of the actual terrain height of the ith segmentation unit;
if Pi is greater than or equal to P0 ', the second computing module determines that the feasibility of the ith segmentation unit for laying the station central station is feasible, and P0' is the second preset terrain flatness;
and if Pi is less than P0', the second computing module determines that the feasibility of the i-th partitioning unit for distributing the station central station is infeasible.
5. The BIM-based full-lifecycle digital twinning system as claimed in claim 4, wherein the first determining unit is configured with a preset central difference Δ Z0, and the distance difference Δ Zi = | i-
The first determination unit determines whether the i-th division unit is a station center candidate position according to a relationship between Δ Zi and Δ Z0;
if delta Zi is larger than delta Z0, the first determination unit determines that the ith segmentation unit is not used as a station center alternative position;
if Δ Zi is not greater than Δ Z0, the first determining unit determines the i-th segmentation unit as the station center candidate position, and the system selects the i-th segmentation unit having the smallest Δ Zi and satisfying Pi ≧ P0' as the station center position.
6. The BIM-based full-lifecycle digital twinning system of claim 5, wherein the second determination unit establishes a spatial coordinate system with the station center position as a coordinate origin when the first determination unit determines the station center position;
the second determining unit is provided with a preset signal coverage distance Lf0, and determines the position of the installation position of the monitoring equipment in the space coordinate system according to the relation between the actual signal coverage distance Lf1 of the monitoring equipment to be installed and the preset signal coverage distance Lf 0;
if Lf1 < Lf0, the second determination unit determines that the installation position of the monitoring device is at a position 0.8 × Lf1 from the origin;
if Lf1 > Lf0, the second determination unit determines that the installation position of the monitoring device is at a position 1.2 × Lf1 from the origin.
7. The BIM-based full lifecycle digital twinning system of claim 6, further comprising:
a building module, connected to the first determining unit and the second determining unit, respectively, for building a BIM model of a communication network formed by the central station and the monitoring device;
the receiving module is used for receiving monitoring data information of the monitoring equipment in the operation process of the communication network and taking the monitoring data information as input information of the BIM;
and the control module is respectively connected with the first determining unit, the second determining unit, the constructing module and the receiving module, and is used for judging the moving direction and the moving distance of the installation position of the monitoring equipment according to the monitoring data information, determining the running state of the monitoring equipment and determining whether to maintain.
8. The BIM-based full-lifecycle digital twinning system of claim 7, wherein the construction module determines a position of a monitoring device in the spatial coordinate system, obtains position coordinate data of the monitoring device, and performs BIM modeling according to the spatial coordinate system and the position coordinate data of the monitoring device to obtain a BIM model, and the construction module optimizes the BIM model by tiling a model entity to obtain a station digital model;
the station is subjected to analog operation according to the input information through the station digital model, so that the analog signal intensity of the monitoring equipment received by the central station of the station is obtained, the analog signal intensity of the monitoring equipment received by the central station is Qi, i is the ith monitoring equipment, the control module is provided with a preset analog signal intensity Q0, and the moving direction and the moving distance of the installation position of the monitoring equipment are judged according to the relation between the actual analog signal intensity Qi and the preset analog signal intensity Q0;
if Qi is less than Q0, the control module determines that the mounting position of the i-th monitoring device moves towards the central direction of the station, and the moving distance Xi = (Q0-Qi) × Qi/Li of the i-th monitoring device, where Li is the distance from the i-th monitoring device to the central station of the station;
if Qi is larger than or equal to Q0, the control module judges that the mounting position of the ith monitoring device does not need to be moved.
9. The BIM-based full-lifecycle digital twinning system of claim 8, wherein the control module is configured to set a first preset operation data deviation Δ Y0, and set Δ Y0= (Δ Y1+ Δ Y2+ \8230 ++ Δ Ya)/a, where Δ Y1 is an operation data deviation acquired by a first monitoring device in an adjacent acquisition cycle, Δ Y2 is an operation data deviation acquired by a second monitoring device in an adjacent acquisition cycle, and Δ Ya is an operation data deviation acquired by an a-th monitoring device in an adjacent acquisition cycle, and the control module determines the operating status of the a-th monitoring device according to a relationship between the operation data deviation Δ Ya acquired by the a-th monitoring device in the adjacent acquisition cycle and the first preset operation data deviation Δ Y0;
if the delta Y0 is not more than the delta Ya, the control module judges that the working state of the a-th monitoring device is normal;
and if the delta Ya is larger than the delta Y0, the control module judges that the working state of the a-th monitoring device is abnormal.
10. The BIM-based full-life cycle digital twinning system of claim 9, wherein the control module, when determining that the operating state of the a-th monitoring device is abnormal, is provided with a second preset operational data deviation Δ Y0 ', sets Δ Y0a ″ =Δya- Δ Y0, and Δ Y0a ' is a difference between the operational data deviation acquired by the a-th monitoring device in an adjacent acquisition cycle and the first preset operational data deviation, and determines the operating state of the a-th monitoring device according to a relationship between Δ Y0a ' and Δ Y0 ″;
if k3 × Δ Y0 ″) is ≦ Δ Y0a ≦ k4 × Δ Y0 ″, the control module determines that the operation state of the a-th monitoring device is the first operation state, k3 is a third preset coefficient, k4 is a fourth preset coefficient, and k3 is less than k4;
if Δ Y0a 'is less than k3 × Δ Y0', the control module determines that the operation state of the a-th monitoring device is a second operation state;
if Δ Y0a ″ > k4 × Δ Y0 ″, the control module determines that the operation state of the a-th monitoring device is a third operation state;
and when the operating state of the a-th monitoring equipment is the second operating state and/or the third operating state, the control module sends monitoring equipment maintenance reminding information.
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