CN112765717B - Low-energy-consumption environment-friendly dredging construction system and method - Google Patents
Low-energy-consumption environment-friendly dredging construction system and method Download PDFInfo
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Abstract
The application relates to a low-energy-consumption environment-friendly dredging construction system and a method, wherein the system comprises a data acquisition module, a data preprocessing module, a three-dimensional modeling module and a simulation module; the data acquisition module is used for acquiring geological scanning data of the target dredging area; the data preprocessing module is used for preprocessing the geological scanning data and taking the geological scanning data corresponding to the preprocessed data as target geological data; the three-dimensional modeling module is used for constructing a three-dimensional underwater model of the target dredging area according to the target geological data; and the simulation module is used for acquiring the current position information of the target dredger when the target dredger used for dredging the target dredging area conducts dredging, performing simulation analysis according to the three-dimensional underwater model and the current position information of the target dredger to obtain target construction parameters of the target dredger, and sending the target construction parameters to the target dredger. This application can reduce the energy consumption of dredger, improves the feature of environmental protection of excavation engineering.
Description
Technical Field
The application relates to the technical field of river channel dredging, in particular to a low-energy-consumption environment-friendly dredging construction system and method.
Background
With the increasing demand of people for environment, preventing and reducing pollution of dredging activities to water areas and land areas become an important problem which must be considered in dredging engineering, and in order to improve the navigation or flood discharge capacity of a channel, the dredging engineering is widely applied to dredging of rivers, channels and reservoirs, and dredging, widening and digging deep water areas such as the existing channels, ports or rivers and lakes.
At present, dredging engineering includes manual dredging and mechanical dredging, most modern mechanical dredging is performed by using a dredger, before construction, a survey crew is organized to measure an original section of an excavated area and draw an original section diagram, a construction water gauge is arranged before trenching construction, water level records are often observed and read in the trenching and filling processes, and trenching depth is mastered according to water level changes, so that trenching is within a design range.
Disclosure of Invention
In order to solve the problem that the engineering energy consumption is high due to repeated excavation of a dredger, the application provides a low-energy-consumption environment-friendly dredging construction system and method.
The application provides a construction system is dredged in low energy consumption environmental protection adopts following technical scheme:
a low-energy-consumption environment-friendly dredging construction system comprises a data acquisition module, a data preprocessing module, a three-dimensional modeling module and a simulation module;
the data acquisition module is used for acquiring geological scanning data of a target dredging area;
the data preprocessing module is used for preprocessing the geological scanning data and taking the geological scanning data corresponding to the preprocessed data as target geological data;
the three-dimensional modeling module is used for constructing a three-dimensional underwater model of the target dredging area according to the target geological data;
the simulation module is used for acquiring current position information of a target dredger when the target dredger used for dredging a target dredging area conducts dredging, performing simulation analysis according to the three-dimensional underwater model and the current position information of the target dredger to obtain target construction parameters of the target dredger, and sending the target construction parameters to the target dredger.
By adopting the technical scheme, the three-dimensional underwater model for establishing the target dredging area is obtained, so that the overall situation of the target dredging area can be visually checked; when the target dredger enters a target dredging area for excavating and dredging, the current position information of the target dredger and a three-dimensional underwater model of the target dredging area are utilized to simulate and analyze the construction parameters of the current dredger, so that intelligent guidance can be obtained when the dredger excavates the whole target dredging area, the excavating frequency of the dredger is reduced, the energy consumption of the dredger is reduced, and the excavating efficiency and the environmental protection of excavating engineering are improved.
Optionally, the geological scanning data includes three-dimensional point cloud data of a target dredging area; the data preprocessing module comprises a filtering unit and a simplifying unit;
the filtering unit is used for filtering the three-dimensional point cloud data of the geological scanning data and taking the three-dimensional point cloud data corresponding to the filtered three-dimensional point cloud data as data to be simplified;
and the simplification unit is used for simplifying the data to be simplified and taking the corresponding three-dimensional point cloud data after simplification as target geological data.
By adopting the technical scheme, the noise data in the three-dimensional point cloud data is removed by using a filtering processing method, so that the effectiveness of the data is improved; target geological data are obtained by simplifying the data to be simplified, so that the data volume of the target geological data is reduced, and the model is light in weight during later modeling.
Optionally, the three-dimensional modeling module includes:
the curved surface generation unit is used for carrying out point cloud splicing on the target geological data to generate an initial curved surface model of the target dredging area;
a characteristic extraction unit for extracting a characteristic curve from the initial curved surface model;
a curved surface reconstruction unit for performing curved surface fitting and curvature adjustment according to the characteristic curve,
and obtaining the three-dimensional underwater model.
By adopting the technical scheme, point cloud splicing is carried out on target geological data, so that an initial curved surface model is generated by point cloud organization; and then, carrying out feature extraction and curved surface reconstruction on the initial curved surface model, so that the light three-dimensional underwater model is more consistent with the actual situation of a target dredging area.
Optionally, the low-energy-consumption environment-friendly dredging construction system further comprises a simulation design module, which is used for performing simulation analysis on the three-dimensional underwater model to obtain gridding construction parameters for a dredging target dredging area.
By adopting the technical scheme, the gridding construction parameters are obtained by carrying out simulation analysis on the three-dimensional underwater model, so that the detailed construction condition of the target dredging area is predicted in advance, and different construction parameters are adopted for different river channel depths and river surface depths.
Optionally, the current position information includes geographic coordinate information and actual water level information; the simulation module comprises:
the coordinate conversion unit is used for establishing a virtual space coordinate system of the target dredging area and converting the geographic coordinate information into a target three-dimensional coordinate under the virtual space coordinate system;
and the simulation analysis unit is used for inputting the target three-dimensional coordinates and the actual water level information into the three-dimensional underwater model, and performing simulation calculation on the three-dimensional underwater model to obtain the grid number of the target dredger and corresponding target construction parameters, wherein the target construction parameters comprise the number of excavation layers, the excavation depth and the overexcavation value.
By adopting the technical scheme, the geographic coordinate information of the target dredger is subjected to coordinate conversion, so that the three-dimensional coordinate of the target obtained after conversion can be displayed in the three-dimensional underwater model, the actual water level information is input into the three-dimensional underwater model, and then the three-dimensional underwater model is subjected to simulation analysis, so that the grid number where the target dredger is located and corresponding target construction parameters can be obtained, the target dredger can be rapidly and intelligently guided to carry out excavation construction, and when the target dredger excavates in the whole target dredging area, scientific guidance is provided, the excavation times are reduced, the energy consumption of the dredger is reduced, and the excavation efficiency and the environmental protection of excavation engineering are improved.
In a second aspect, the application provides a low-energy-consumption environment-friendly dredging construction method, which adopts the following technical scheme:
a low-energy-consumption environment-friendly dredging construction method comprises the following steps:
acquiring geological scanning data of a target dredging area;
carrying out data preprocessing on the geological scanning data, and taking the geological scanning data corresponding to the preprocessed data as target geological data;
constructing a three-dimensional underwater model of a target dredging area according to the target geological data;
and when a target dredger used for dredging a target dredging area starts dredging, acquiring current position information of the target dredger, carrying out simulation analysis according to the three-dimensional underwater model and the current position information of the target dredger to obtain target construction parameters of the target dredger, and sending the target construction parameters to the target dredger.
By adopting the technical scheme, the three-dimensional underwater model for establishing the target dredging area is obtained, so that the overall situation of the target dredging area can be visually checked; when the target dredger enters a target dredging area for excavating and dredging, the current position information of the target dredger and a three-dimensional underwater model of the target dredging area are utilized to simulate and analyze the construction parameters of the current dredger, so that intelligent guidance can be obtained when the dredger excavates the whole target dredging area, the excavating frequency of the dredger is reduced, the energy consumption of the dredger is reduced, and the excavating efficiency and the environmental protection of excavating engineering are improved.
Optionally, the geological scanning data includes three-dimensional point cloud data of a target dredging area; to what is needed
Preprocessing the geological scanning data, and taking the geological scanning data after data preprocessing as target geological data, wherein the geological scanning data comprises the following steps:
filtering the three-dimensional point cloud data, and taking the three-dimensional point cloud data after filtering as data to be simplified;
and simplifying the data to be simplified, and taking the corresponding three-dimensional point cloud data after the simplification as target geological data.
By adopting the technical scheme, the noise data in the three-dimensional point cloud data is removed by using a filtering processing method, so that the effectiveness of the data is improved; target geological data are obtained by simplifying the data to be simplified, so that the data volume of the target geological data is reduced, and the model is light in weight during later modeling.
Optionally, constructing a three-dimensional underwater model of the target dredging area according to the target geological data includes:
performing point cloud splicing on the target geological data to generate an initial curved surface model of a target dredging area;
extracting a characteristic curve from the initial curved surface model;
and performing surface fitting and curvature adjustment according to the characteristic curve to obtain a three-dimensional underwater model.
By adopting the technical scheme, point cloud splicing is carried out on target geological data, so that an initial curved surface model is generated by point cloud organization; and then, carrying out feature extraction and curved surface reconstruction on the initial curved surface model, so that the light three-dimensional underwater model is more consistent with the actual situation of a target dredging area.
Optionally, after constructing the three-dimensional underwater model of the target dredging region, the method includes:
carrying out simulation analysis on the three-dimensional underwater model to obtain a net for a dredging area of a dredging target
And (5) formatting construction parameters.
By adopting the technical scheme, the gridding construction parameters are obtained by carrying out simulation analysis on the three-dimensional underwater model, so that the detailed construction condition of the target dredging area is predicted in advance, and different construction parameters are adopted for different river channel depths and river surface depths.
Optionally, obtaining current position information of the target dredger, and obtaining target construction parameters of the target dredger through simulation analysis according to the three-dimensional underwater model and the current position information of the target dredger, the method includes:
establishing a virtual space coordinate system of a target dredging area, and converting the geographic coordinate information into a target three-dimensional coordinate under the virtual space coordinate system;
and inputting the target three-dimensional coordinate and the actual water level information into the three-dimensional underwater model, and carrying out simulation calculation on the three-dimensional underwater model to obtain a grid number where the target dredger is located and corresponding target construction parameters, wherein the target construction parameters comprise the number of excavation layers, the excavation depth and the over excavation value.
By adopting the technical scheme, the geographic coordinate information of the target dredger is subjected to coordinate conversion, so that the three-dimensional coordinate of the target obtained after conversion can be displayed in the three-dimensional underwater model, the actual water level information is input into the three-dimensional underwater model, and then the three-dimensional underwater model is subjected to simulation analysis, so that the grid number where the target dredger is located and corresponding target construction parameters can be obtained, the target dredger can be rapidly and intelligently guided to carry out excavation construction, and when the target dredger excavates in the whole target dredging area, scientific guidance is provided, the excavation times are reduced, the energy consumption of the dredger is reduced, and the excavation efficiency and the environmental protection of excavation engineering are improved.
Drawings
FIG. 1 is a flow chart of an implementation of a low energy consumption environment-friendly dredging construction method according to an embodiment of the application;
FIG. 2 is a flowchart illustrating implementation of step S2 of the low energy consumption environmental protection dredging construction method according to the embodiment of the present application;
FIG. 3 is a flowchart illustrating implementation of step S3 of the low energy consumption environmental protection dredging construction method according to the embodiment of the present application;
FIG. 4 is a flowchart illustrating implementation of step S4 of the low energy consumption environmental protection dredging construction method according to the embodiment of the present application;
fig. 5 is a schematic block diagram of a low energy consumption environment-friendly dredging construction system according to an embodiment of the present application.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
Referring to fig. 1, an embodiment of the present application discloses a low energy consumption environment-friendly dredging construction method, including:
s1: geological scan data of a target dredging area is acquired.
In this embodiment, the target dredging area refers to a water area such as a river, a lake or a channel, which is required to be subjected to dredging construction in a project engineering; the geological scanning data refers to three-dimensional point cloud data obtained by performing laser scanning on a target dredging area.
Specifically, the unmanned aerial vehicle can be used for carrying laser scanning equipment to carry out laser scanning on a target dredging area, laser scanning data of the target dredging area are obtained and serve as geological scanning data, then the geological scanning data are uploaded to a background server through wireless communication by the laser scanning equipment, and the geological scanning data are received by the background server.
S2: and preprocessing the geological scanning data, and taking the geological scanning data after data preprocessing as target geological data.
In this embodiment, the target geological data refers to three-dimensional point cloud data used for constructing a three-dimensional underwater model.
Specifically, data preprocessing is carried out on geological scanning data, the point cloud data is cleaned and simplified, and then the geological scanning data corresponding to the preprocessed data is used as target geological data for building a three-dimensional model.
S3: and constructing a three-dimensional underwater model of the target dredging area according to the target geological data.
In the present embodiment, the three-dimensional underwater model is a three-dimensional virtual model of the water area and the water surface of the target dredging area.
Specifically, a three-dimensional point cloud reconstruction method may be adopted to perform model reconstruction on target geological data, where the target geological data includes massive three-dimensional point cloud data of a target dredging area, including three-dimensional point cloud data of a water layer, a mud layer, and a rock layer, so as to obtain a three-dimensional underwater model of the target dredging area.
S4: when a target dredger used for dredging a target dredging area starts dredging, current position information of the target dredger is obtained, target construction parameters of the target dredger are obtained through simulation analysis according to the three-dimensional underwater model and the current position information of the target dredger, and the target construction parameters are sent to the target dredger.
In the present embodiment, the target dredge means a dredge that dredges a target dredging area; the current position information refers to the geographical coordinate information of the target dredger and the actual water level information on the target dredging area; the target construction parameters refer to the dredging construction plan that should be taken when the target dredge is located at a certain position of the target dredging area.
Specifically, a GPS positioning device and a water level monitor are installed on the target dredger, when the target dredger carries out dredging in a target dredging area, the GPS positioning device and the water level monitor upload geographical coordinate information of the target dredger and actual water level information in the target dredging area to a background server in real time through wireless communication, and the background server receives the geographical coordinate information and the actual water level information of the target dredger. Further, inputting the geographic coordinate information and the actual position information of the target dredger into the three-dimensional underwater model, then introducing the three-dimensional underwater model into simulation software for simulation, and obtaining target construction parameters of the target dredger through simulation numerical value calculation.
As shown in fig. 2, in step S2, the geological scan data includes three-dimensional point cloud data of the target dredging area; carrying out data preprocessing on the geological scanning data, and taking the geological scanning data corresponding to the preprocessed data as target geological data, wherein the data preprocessing comprises the following steps:
s21: and filtering the three-dimensional point cloud data, and taking the three-dimensional point cloud data after filtering as data to be simplified.
S22: and simplifying the data to be simplified, and taking the corresponding three-dimensional point cloud data after the simplification as target geological data.
In this embodiment, the data to be condensed refers to point cloud data obtained by performing complete data preprocessing on three-dimensional point cloud data.
Specifically, the three-dimensional point cloud data of the geological scanning data is filtered, in this embodiment, a random sampling consistency algorithm may be adopted to perform filtering and denoising processing, and then the three-dimensional point cloud data corresponding to the filtering and denoising processing is used as data to be simplified; further, data reduction processing is performed on the data to be reduced, in this embodiment, a bounding box method may be used for data reduction processing, and then the three-dimensional point cloud data corresponding to the reduction processing is used as target geological data, and the target geological data is used for subsequent three-dimensional model construction.
As shown in fig. 3, in step S3, a three-dimensional underwater model of the target dredging region is constructed according to the target geological data, which includes:
s31: and carrying out point cloud splicing on the target geological data to generate an initial curved surface model of the target dredging area.
S32: and extracting a characteristic curve for the initial curved surface model.
S33: and performing surface fitting and curvature adjustment according to the characteristic curve to obtain a three-dimensional underwater model.
In this embodiment, the initial surface model is a surface model that is initially established according to target geological data; the characteristic curve refers to a spline curve reflecting the initial surface model.
Specifically, point cloud splicing is performed on three-dimensional point cloud data of target geological data, in this embodiment, a triangular mesh method may be used for point cloud splicing to generate an initial curved surface model; further, extracting a characteristic curve of the curved surface model by a cutting method; further, a NURBS curved surface model is created, the characteristic curve is automatically fitted, the curved surfaces with overlarge curvature and undersize curvature are automatically adjusted, and the created NURBS curved surface model is used as a three-dimensional underwater model.
Optionally, after step S3, that is, after constructing the three-dimensional underwater model of the target dredging area, the method for constructing low-energy-consumption environmental-friendly dredging according to the embodiment further includes:
s34: and carrying out simulation analysis on the three-dimensional underwater model to obtain gridding construction parameters for a dredging area of a dredging target.
In the embodiment, the gridding construction parameters are obtained by dividing the target dredging area into grids, and corresponding construction parameter settings are provided for each grid.
Specifically, the three-dimensional underwater model is introduced into the simulation software, in this embodiment, ANSYS software may be adopted to divide the target dredging area in the three-dimensional underwater model into a grid shape, the grid shape is to divide a grid according to a horizontal area of the target dredging area and to perform layering in a depth direction, different grid areas have the same or different number of dredging layers, and a single grid area may be determined according to a single dredging area of the target dredge. Further, gridding construction parameters of the target dredging area are obtained through simulation numerical calculation, and in the embodiment, the gridding construction parameters comprise the excavation layer number, the excavation depth and the over-excavation value of each grid, so that a dredging construction scheme is planned for constructors in advance.
As shown in fig. 4, in step S4, obtaining the current position information of the target dredge, and obtaining the target construction parameters of the target dredge through simulation analysis according to the three-dimensional underwater model and the current position information of the target dredge, the method includes:
s41: and converting the geographic coordinate information into a target three-dimensional coordinate, and converting the actual water level information into three-dimensional water level information.
S42: and inputting the three-dimensional coordinates and the three-dimensional water level information of the target into a three-dimensional underwater model, and carrying out simulation calculation on the three-dimensional underwater model to obtain the grid number of the target dredger and corresponding target construction parameters, wherein the target construction parameters comprise the number of excavation layers, the excavation depth and the over excavation value.
In this embodiment, the geographic coordinate information refers to geographic position information of the target dredger in the current dredging area, and in this embodiment, the geographic position information of the target dredger can be represented by longitude and latitude; the target three-dimensional coordinate refers to a corresponding space coordinate of the target dredger in a virtual space coordinate system; the actual water level information refers to real-time water level information of the target dredger at the dredging position. The grid number refers to a grid number corresponding to a group of target construction parameters in the gridding construction parameters.
Specifically, a virtual space coordinate system of the target dredging area may be established with a vessel-below point of the dredger as an origin of coordinates, and then geographic coordinate information of the dredger is converted into target three-dimensional coordinates in the virtual space coordinate system. Further, the target three-dimensional coordinates and the actual water level information are input into the three-dimensional underwater model, and the three-dimensional underwater model is input into the simulation software, in this embodiment, ANSYS software can be adopted, the grid position where the target dredger is located and the target construction parameters corresponding to the grid position are obtained through setting the bed depth and the water layer depth of the target dredging area and calculating the simulation values, and the target construction parameters include the number of excavation layers, the excavation depth of each layer and the overexcavation value of the target dredger at the current grid position.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
The embodiment also provides a low-energy-consumption environment-friendly dredging construction system, and the low-energy-consumption environment-friendly dredging construction system corresponds to the low-energy-consumption environment-friendly dredging construction method in the embodiment one to one. As shown in fig. 5, the low-energy-consumption environment-friendly dredging construction system includes a data acquisition module, a data preprocessing module, a three-dimensional modeling module, and a simulation module, which are specifically described as follows:
and the data acquisition module is used for acquiring geological scanning data of the target dredging area.
And the data preprocessing module is used for preprocessing the geological scanning data and taking the geological scanning data corresponding to the preprocessed data as target geological data.
And the three-dimensional modeling module is used for constructing a three-dimensional underwater model of the target dredging area according to the target geological data.
And the simulation module is used for acquiring the current position information of the target dredger when the target dredger used for dredging the target dredging area conducts dredging, performing simulation analysis according to the three-dimensional underwater model and the current position information of the target dredger to obtain target construction parameters of the target dredger, and sending the target construction parameters to the target dredger.
Optionally, the data preprocessing template includes a filtering unit and a reduction unit, which is specifically described as follows:
and the filtering unit is used for filtering the three-dimensional point cloud data of the geological scanning data and taking the three-dimensional point cloud data corresponding to the filtered three-dimensional point cloud data as data to be simplified.
And the simplification unit is used for simplifying the data to be simplified and taking the corresponding three-dimensional point cloud data after simplification as target geological data.
Optionally, the three-dimensional modeling module includes a curved surface generation unit, a feature extraction unit, and a curved surface reconstruction unit, which are specifically described as follows:
and the curved surface generation unit is used for carrying out point cloud splicing on the target geological data to generate an initial curved surface model of the target dredging area.
And the characteristic extraction unit is used for extracting a characteristic curve from the initial curved surface model.
And the curved surface reconstruction unit is used for performing curved surface fitting and curvature adjustment according to the characteristic curve to obtain a three-dimensional underwater model.
Optionally, the low-energy-consumption environment-friendly dredging construction system of the embodiment further includes a simulation design model, which is used for performing simulation analysis on the three-dimensional underwater model to obtain gridding construction parameters for a dredging target dredging area.
Optionally, the simulation module includes a coordinate conversion unit and a simulation analysis unit, which are specifically described as follows:
and the coordinate conversion unit is used for establishing a virtual space coordinate system of the target dredging area and converting the geographic coordinate information into a target three-dimensional coordinate under the virtual space coordinate system.
And the simulation analysis unit is used for inputting the three-dimensional coordinates of the target and the actual water level information into the three-dimensional underwater model, and carrying out simulation calculation on the three-dimensional underwater model to obtain the grid number of the target dredger and corresponding target construction parameters, wherein the target construction parameters comprise the number of excavation layers, the excavation depth and the over excavation value.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (4)
1. The utility model provides a construction system is dredged in low energy consumption environmental protection which characterized in that: the system comprises a data acquisition module, a data preprocessing module, a three-dimensional modeling module and a simulation module;
the data acquisition module is used for acquiring geological scanning data of a target dredging area;
the data preprocessing module is used for preprocessing the geological scanning data and taking the geological scanning data corresponding to the preprocessed data as target geological data;
the three-dimensional modeling module is used for constructing a three-dimensional underwater model of the target dredging area according to the target geological data;
the simulation module is used for acquiring current position information of a target dredger when the target dredger used for dredging a target dredging area conducts dredging, performing simulation analysis according to the three-dimensional underwater model and the current position information of the target dredger to obtain target construction parameters of the target dredger, and sending the target construction parameters to the target dredger;
the geological scanning data comprises three-dimensional point cloud data of a target dredging area; the data preprocessing module comprises a filtering unit and a simplifying unit;
the filtering unit is used for filtering the three-dimensional point cloud data of the geological scanning data and taking the three-dimensional point cloud data corresponding to the filtered three-dimensional point cloud data as data to be simplified;
the simplification unit is used for simplifying data to be simplified and taking corresponding three-dimensional point cloud data after simplification as target geological data;
the three-dimensional modeling module includes:
the curved surface generation unit is used for carrying out point cloud splicing on the target geological data to generate an initial curved surface model of the target dredging area;
a characteristic extraction unit for extracting a characteristic curve from the initial curved surface model;
the curved surface reconstruction unit is used for performing curved surface fitting and curvature adjustment according to the characteristic curve to obtain a three-dimensional underwater model;
the three-dimensional underwater model is used for simulating and analyzing the three-dimensional underwater model to obtain gridding construction parameters for a dredging area of a dredging target;
the simulation analysis of the three-dimensional underwater model comprises the steps of guiding the three-dimensional underwater model into a simulation design module, dividing a target dredging area in the three-dimensional underwater model into a grid shape, dividing grids according to the horizontal area of the target dredging area, and layering in the depth direction, wherein different grid areas have the same or different dredging layers, and the area of a single grid can be determined according to the single dredging area of the target dredger.
2. The low energy consumption environmental protection dredging construction system according to claim 1, characterized in that: the current position information comprises geographical coordinate information and actual water level information; the simulation module comprises:
the coordinate conversion unit is used for establishing a virtual space coordinate system of the target dredging area and converting the geographic coordinate information into a target three-dimensional coordinate under the virtual space coordinate system;
and the simulation analysis unit is used for inputting the target three-dimensional coordinates and the actual water level information into the three-dimensional underwater model, and performing simulation calculation on the three-dimensional underwater model to obtain the grid number of the target dredger and corresponding target construction parameters, wherein the target construction parameters comprise the number of excavation layers, the excavation depth and the overexcavation value.
3. A low-energy-consumption environment-friendly dredging construction method is characterized by comprising the following steps: the method comprises the following steps:
acquiring geological scanning data of a target dredging area; the geological scanning data comprises three-dimensional point cloud data of a target dredging area;
carrying out data preprocessing on the geological scanning data, and taking the geological scanning data corresponding to the preprocessed data as target geological data;
wherein the geological scanning data is subjected to data preprocessing, and the geological scanning data corresponding to the preprocessed data is used as target geological data, comprising,
filtering the three-dimensional point cloud data, and taking the three-dimensional point cloud data after filtering as data to be simplified;
simplifying the data to be simplified, and taking the corresponding three-dimensional point cloud data after the simplification as target geological data;
constructing a three-dimensional underwater model of a target dredging area according to the target geological data;
wherein a three-dimensional underwater model of the target dredging area is constructed from the target geological data, comprising,
performing point cloud splicing on the target geological data to generate an initial curved surface model of a target dredging area;
extracting a characteristic curve from the initial curved surface model;
performing surface fitting and curvature adjustment according to the characteristic curve to obtain a three-dimensional underwater model;
after a three-dimensional underwater model of a target dredging area is constructed, carrying out simulation analysis on the three-dimensional underwater model to obtain gridding construction parameters for dredging the target dredging area;
the simulation analysis of the three-dimensional underwater model comprises the steps of introducing the three-dimensional underwater model into simulation software, dividing a corresponding target dredging area in the three-dimensional underwater model into a grid shape, dividing grids according to the horizontal area of the target dredging area, and layering in the depth direction, wherein different grid areas have the same or different dredging layers, and the area of a single grid can be determined according to the single dredging area of a target dredger;
and when a target dredger used for dredging a target dredging area starts dredging, acquiring current position information of the target dredger, carrying out simulation analysis according to the three-dimensional underwater model and the current position information of the target dredger to obtain target construction parameters of the target dredger, and sending the target construction parameters to the target dredger.
4. The low-energy-consumption environment-friendly dredging construction method according to claim 3, characterized in that: the current position information comprises geographical coordinate information and actual water level information;
the obtaining of the current position information of the target dredger, and the obtaining of the target construction parameters of the target dredger through simulation analysis according to the three-dimensional underwater model and the current position information of the target dredger comprise:
establishing a virtual space coordinate system of a target dredging area, and converting the geographic coordinate information into a target three-dimensional coordinate under the virtual space coordinate system;
and inputting the target three-dimensional coordinate and the actual water level information into the three-dimensional underwater model, and carrying out simulation calculation on the three-dimensional underwater model to obtain a grid number where the target dredger is located and corresponding target construction parameters, wherein the target construction parameters comprise the number of excavation layers, the excavation depth and the over excavation value.
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