CN116187036A - Unmanned aerial vehicle smoke effect evaluation method, device, equipment and readable storage medium - Google Patents
Unmanned aerial vehicle smoke effect evaluation method, device, equipment and readable storage medium Download PDFInfo
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Abstract
The invention provides an unmanned aerial vehicle smoke effect evaluation method, device and equipment and a readable storage medium, wherein the method comprises the following steps: restoring the topography based on the obtained geographic information, and determining the simulated weather based on the obtained weather information; determining a target shielding area according to the simulated traveling direction of the flying object, and determining a smoke generation type based on the preset flying object type; setting the flight attitude of the unmanned aerial vehicle based on the topography, the simulated weather and the traveling direction of the flying object; simulating smoke generation of the unmanned aerial vehicle according to the smoke generation type, the target shielding area and the flight attitude of the unmanned aerial vehicle, and estimating the smoke generation effective concentration and the smoke generation effective thickness; and determining an evaluation result of the smoke generation effect of the unmanned aerial vehicle according to the smoke generation effective concentration and the smoke generation effective thickness. The invention solves the technical problems that the prior art scheme can not flexibly and flexibly distribute cigarettes and can not accurately evaluate the effect of a smoke curtain shielding target.
Description
Technical Field
The invention relates to the technical field of system simulation, in particular to an unmanned aerial vehicle smoke effect evaluation method, device and equipment and a readable storage medium.
Background
The existing simulation smoke curtain shielding target is used for distributing smoke through a smoke tank or a smoke vehicle, the smoke distribution mode is lack of maneuverability, the smoke effect cannot be evaluated, the smoke generation process cannot be improved naturally based on the evaluation result, the effect of the smoke curtain shielding target cannot be achieved well, and therefore, the technical problem to be solved is urgent, namely, how to flexibly distribute smoke and accurately evaluate the effect of the smoke curtain shielding target.
Disclosure of Invention
The invention provides an unmanned aerial vehicle smoke effect evaluation method, device, equipment and readable storage medium, which are used for solving the technical problems that smoke distribution cannot be flexibly and flexibly carried out and the effect of a smoke curtain shielding target cannot be accurately evaluated in the prior art.
The invention provides an unmanned aerial vehicle smoke effect evaluation method, which comprises the following steps:
restoring the topography based on the obtained geographic information, and determining the simulated weather based on the obtained weather information;
determining a target shielding area according to the simulated traveling direction of the flying object, and determining a smoke generation type based on the preset flying object type;
setting the flight attitude of the unmanned aerial vehicle based on the topography, the simulated weather and the traveling direction of the flying object;
simulating smoke generation of the unmanned aerial vehicle according to the smoke generation type, the target shielding area and the flight attitude of the unmanned aerial vehicle, and estimating the smoke generation effective concentration and the smoke generation effective thickness;
and determining an evaluation result of the smoke generation effect of the unmanned aerial vehicle according to the smoke generation effective concentration and the smoke generation effective thickness.
According to the unmanned aerial vehicle smoke effect evaluation method provided by the invention, the determination of the target shielding area according to the simulated traveling direction of the flying object comprises the following steps:
acquiring flying object position and flying object attitude information obtained by simulation of an unmanned aerial vehicle;
determining a flying object traveling direction based on the flying object position and the flying object posture information;
generating space grid data based on a ground object model, and determining a combination result of the space grid data and a remote sensing image;
and determining a target shielding area according to the traveling direction of the flying object, the combination result and the acquired spatial data of the smoke curtain guarantee area.
According to the unmanned aerial vehicle smoke effect evaluation method provided by the invention, the determining the smoke type based on the preset flying object type comprises the following steps:
and determining a smoke generation type based on the traveling direction of the flying object, a preset guiding mode and a preset flying object type, wherein the smoke generation type comprises smoke generation materials, smoke generation forms and smoke generation purposes.
According to the method for evaluating the smoke effect of the unmanned aerial vehicle, the setting of the flight attitude of the unmanned aerial vehicle based on the topography and the topography, the simulated weather and the flight object travelling direction comprises the following steps:
setting unmanned aerial vehicle space position data and unmanned aerial vehicle attitude data based on the topography, the simulated weather, the flying object advancing direction and a preset guarantee target;
based on the topography, the simulated weather, the flying object advancing direction, the preset guarantee target, the unmanned aerial vehicle space position data and the unmanned aerial vehicle gesture data, the unmanned aerial vehicle smoke spraying speed and the unmanned aerial vehicle nacelle gesture are determined through the unmanned aerial vehicle carrying the smoke generating device.
According to the method for evaluating the smoke generation effect of the unmanned aerial vehicle, which is provided by the invention, according to the smoke generation type, the target shielding area and the flight attitude of the unmanned aerial vehicle, the method for simulating smoke generation of the unmanned aerial vehicle, and the method for evaluating the smoke generation effective concentration and the smoke generation effective thickness comprises the following steps:
solving a advection term, an external force term and a diffusion term based on a preset smoke curtain diffusion model, and simulating a smoke curtain diffusion process according to a solving result;
determining a smoke curtain diffusion range and a smoke curtain concentration based on the smoke type, the flight attitude of the unmanned aerial vehicle and the smoke curtain diffusion process through the unmanned aerial vehicle carrying the smoke generating device;
and estimating the effective smoke generating concentration and the effective smoke generating thickness according to the target shielding area, the smoke curtain diffusion range and the smoke curtain concentration.
According to the method for evaluating the smoke generation effect of the unmanned aerial vehicle provided by the invention, the evaluation result for determining the smoke generation effect of the unmanned aerial vehicle according to the smoke generation effective concentration and the smoke generation effective thickness comprises the following steps:
and determining an evaluation result of the smoke generation effect of the unmanned aerial vehicle according to a comparison result between the smoke generation effective concentration and a first preset threshold value and a comparison result between the smoke generation effective thickness and a second preset threshold value.
According to the unmanned aerial vehicle smoke effect evaluation method provided by the invention, the step of restoring the topography and the topography based on the acquired geographic information and the step of determining the simulated weather based on the acquired weather information comprises the following steps:
loading and rendering geographic vector data, satellite images, oblique photography modeling and three-dimensional ground object modeling based on standard services provided by a geographic space information platform;
preprocessing the loaded and rendered geographic vector data, satellite images, oblique photography modeling and three-dimensional ground object modeling to restore the topography;
analyzing the data format of the acquired meteorological information, and fusing the analyzed meteorological information with a simulation system to obtain the simulated meteorological.
The invention also provides an unmanned aerial vehicle fuming effect evaluation device, which comprises:
the restoration simulation module is used for restoring the topography based on the acquired geographic information and determining simulated weather based on the acquired weather information;
the simulation data determining module is used for determining a target shielding area according to the simulated traveling direction of the flying object and determining a smoke generation type based on the preset flying object type;
the unmanned aerial vehicle flight attitude setting module is used for setting the unmanned aerial vehicle flight attitude based on the topography, the simulated weather and the traveling direction of the flying object;
the smoke generation effective data estimation module is used for simulating smoke generation of the unmanned aerial vehicle according to the smoke generation type, the target shielding area and the flight attitude of the unmanned aerial vehicle, and estimating smoke generation effective concentration and smoke generation effective thickness;
and the smoke generation effect evaluation module is used for determining an evaluation result of the smoke generation effect of the unmanned aerial vehicle according to the smoke generation effective concentration and the smoke generation effective thickness.
The invention also provides electronic equipment, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the unmanned aerial vehicle smoke effect evaluation method when executing the program.
The invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements a method of assessing a smoke effect of a drone as described in any of the above.
According to the unmanned aerial vehicle smoke effect evaluation method, device and equipment and the readable storage medium, the acquired geographic information is used for restoring the topography of the real world, the meteorological information of the real world is acquired in real time through the meteorological sensor to determine the weather required by simulation, the advancing direction of a flying object is acquired, the type of smoke is judged and determined, the shielding area required by a shielding target is determined according to the advancing direction of the flying object, the flying position, the attitude, the smoke spraying speed and the nacelle attitude of the unmanned aerial vehicle are set, smoke is simulated in real time, the smoke effective concentration and the smoke effective thickness in the shielding range are estimated, the effect of the unmanned aerial vehicle smoke shielding target is comprehensively estimated according to the smoke effective concentration and the smoke effective thickness, and the technical problems that the smoke cannot be flexibly distributed and accurately evaluated in the prior art are solved.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of an unmanned aerial vehicle smoke effect evaluation method provided by the invention;
fig. 2 is a second flow chart of the smoke effect evaluation method of the unmanned aerial vehicle provided by the invention;
fig. 3 is a schematic structural diagram of the smoke effect evaluation device of the unmanned aerial vehicle;
fig. 4 is a schematic structural diagram of an electronic device provided by the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The unmanned aerial vehicle smoke effect evaluation method of the present invention is described below with reference to fig. 1 to 2.
Referring to fig. 1, the invention provides a smoke effect evaluation method for an unmanned aerial vehicle, which comprises the following steps:
specifically, the data such as geographic vector data, satellite images, oblique photography modeling, three-dimensional ground object modeling and the like are loaded and rendered through standard services provided by the geographic space information platform, and the functions of displaying the topography and the ground surface remote sensing images are provided through preprocessing the loaded and rendered data. Meteorological data are acquired through the meteorological sensor, the meteorological data around smoke generating equipment are acquired, a simulation data basis is provided for a smoke curtain diffusion algorithm, and the meteorological data required by the smoke curtain diffusion algorithm and the like can be input through a panel.
specifically, utilize unmanned aerial vehicle simulation flyer, through unmanned aerial vehicle ground information processing equipment, acquire flyer position and flyer gesture information that obtains from unmanned aerial vehicle ground information processing equipment picture transmission and data transmission link, according to flyer guiding mode, target direction and flight mode, judge the type that need carry out the smoke curtain and shelter, including smoking material, fuming form and different purpose of fuming, the accessible simulation system panel sets up after confirming the fuming tactics.
specifically, according to topography, simulated weather, flying object advancing direction and guarantee target (wait for the target that the smoke curtain shielded), set up unmanned aerial vehicle space position data and gesture data through the panel, show unmanned aerial vehicle's space position in unmanned aerial vehicle bee colony fuming shielding target effect simulation system, carry on the fuming equipment on unmanned aerial vehicle platform, can be according to topography, weather information, flying object advancing direction, guarantee target, unmanned aerial vehicle's of fuming position and gesture information such as, through panel adjustment unmanned aerial vehicle smoke spraying speed and nacelle gesture, obtain unmanned aerial vehicle flight gesture that sets up.
specifically, according to real-time data of a topographic gas image field, a advection item, an external force item and a diffusion item are solved based on a smoke curtain diffusion model of actual physical parameters, a smoke curtain diffusion process is simulated in real time, a scene smoke curtain shielding effect is displayed in a system in real time to simulate the whole smoke curtain diffusion process, simulation deduction of smoke curtain diffusion is realized, a smoke curtain diffusion range and smoke concentration are calculated in real time, a vertical projection surface formed above a smoke curtain in a guarantee target area is calculated through a flying object advancing direction or an observing direction, a statistical range of the smoke effective concentration and the smoke effective thickness is defined according to the vertical projection surface, an effective smoke concentration threshold and an effective smoke thickness threshold are set, and statistical results of the smoke effective concentration and the smoke effective thickness are displayed in a system interface.
And 500, determining an evaluation result of the smoke generation effect of the unmanned aerial vehicle according to the smoke generation effective concentration and the smoke generation effective thickness.
Specifically, according to the result of the statistical effective fuming concentration and the fuming effective thickness, the correctness, the effectiveness and the feasibility of a fuming mechanism of the unmanned aerial vehicle are judged, and according to the comparison result between the effective fuming concentration and the first preset threshold value and the comparison result between the effective fuming thickness and the second preset threshold value, the effect of the fuming shielding target of the unmanned aerial vehicle is comprehensively evaluated. For example, under the condition that the effective fuming concentration is smaller than or equal to a first preset threshold value or the effective fuming thickness is smaller than or equal to a second preset threshold value, determining that the effect of the unmanned aerial vehicle fuming shielding target is not good, and finally iteratively optimizing the unmanned aerial vehicle fuming mechanism and strategy according to the determined conclusion and the comprehensive evaluation result.
According to the embodiment, the geographical topography of the real world is restored through the acquired geographical information, the real world weather information is acquired in real time through the weather sensor to determine weather required by simulation, the advancing direction of a flying object is acquired, the type of smoke generation is judged and determined according to the type of the flying object, the shielding area required by the shielding target is determined according to the advancing direction of the flying object, the flying position, the attitude, the smoke spraying speed and the nacelle attitude of the unmanned aerial vehicle are set, smoke generation is simulated in real time, the effective smoke generation concentration and the effective smoke generation thickness in the shielding range are estimated, the effect of the shielding target of the unmanned aerial vehicle is comprehensively estimated according to the effective smoke generation concentration and the effective smoke generation thickness, and the technical problems that the smoke distribution cannot be flexibly carried out in the prior art and the effect of the shielding target of the smoke curtain cannot be accurately estimated are solved.
In an embodiment, the method for evaluating the smoke generating effect of the unmanned aerial vehicle provided by the embodiment of the application may further include:
step 210, acquiring flying object position and flying object attitude information obtained by unmanned aerial vehicle simulation;
step 220, determining the traveling direction of the flying object based on the flying object position and the flying object posture information;
step 230, generating space grid data based on a ground object model, and determining a combination result of the space grid data and a remote sensing image;
and step 240, determining a target shielding area according to the traveling direction of the flying object, the combination result and the acquired spatial data of the smoke screen guarantee area.
Specifically, the unmanned aerial vehicle is utilized to simulate the flying object, and flying object position information, flying object gesture information and the like obtained from a graph transmission link and a data transmission link of the unmanned aerial vehicle ground information processing equipment are obtained through the unmanned aerial vehicle ground information processing equipment. According to the space position data and the attitude data of the flying object, the space position, the target direction, the guiding mode (adopting a preset mode), the possible flying mode and the like of the flying object advancing are displayed in the unmanned plane bee colony smoke shielding target effect simulation system, and the position and the attitude information of the unmanned plane can be input through the panel.
According to the traveling direction of the flying object and the acquired spatial data of the smoke curtain guarantee area, spatial grid data are generated according to a ground object model, the spatial grid data are combined with the remote sensing image, and the geographic coordinates of the smoke curtain guarantee area (namely the target shielding area in the embodiment) are calculated, so that the three-dimensional geographic information scene can be used for carrying out sketching setting.
According to the embodiment, the target shielding area is determined through the traveling direction of the flying object, the combination result of the space grid data and the remote sensing image and the acquired smoke curtain guarantee area space data, and a basis for smoke effect evaluation is provided.
In an embodiment, the method for evaluating the smoke generating effect of the unmanned aerial vehicle provided by the embodiment of the application may further include:
step 250, determining a smoke generation type based on the traveling direction of the flying object, the preset guiding mode and the preset flying object type, wherein the smoke generation type comprises smoke generation materials, smoke generation forms and smoke generation purposes.
Specifically, the type of smoke shielding required is determined according to the guiding mode (such as visible light, infrared light and laser), the target direction and the flying mode of the flying object, and the smoke shielding comprises different smoke materials (such as fog oil, hexachloroethane, white phosphorus and chlorosulfonic acid), different smoke forms (such as blanket smoke and vertical smoke) and different purposes (such as shielding smoke and interfering smoke), and the smoke shielding strategy can be determined and then set through a simulation system panel.
The embodiment determines the smoke generation type through the information of the flying object, and provides a technical basis for smoke generation effect evaluation.
In an embodiment, the method for evaluating the smoke generating effect of the unmanned aerial vehicle provided by the embodiment of the application may further include:
step 310, setting unmanned aerial vehicle space position data and unmanned aerial vehicle attitude data based on the topography, the simulated weather, the flying object advancing direction and a preset guarantee target;
step 320, determining the smoke spraying speed and the nacelle gesture of the unmanned aerial vehicle through the unmanned aerial vehicle carrying smoke generating equipment based on the topography, the simulated weather, the traveling direction of the flying object, the preset guarantee target, the spatial position data of the unmanned aerial vehicle and the gesture data of the unmanned aerial vehicle.
Specifically, according to meteorological information such as topography, wind speed and wind direction, a flying object advancing direction and a guarantee target, unmanned aerial vehicle space position data and attitude data are set through a panel, the space position of an unmanned aerial vehicle is displayed in an unmanned aerial vehicle bee colony smoke shielding target effect simulation system, smoke generating equipment is carried on an unmanned aerial vehicle platform, and according to information such as topography, wind speed and wind direction, meteorological information such as wind speed and wind direction, a flying object advancing direction, positions and attitudes of the guarantee target and the smoke generating unmanned aerial vehicle and the like, the smoke spraying speed and the nacelle attitude of the unmanned aerial vehicle can be adjusted through the panel.
According to the embodiment, the unmanned aerial vehicle flight attitude is set through the topography, the simulated weather and the flight object travelling direction, so that a technical foundation is laid for fuming arrangement.
Referring to fig. 2, in an embodiment, the method for evaluating the smoke effect of the unmanned aerial vehicle provided in the embodiment of the present application may further include:
and step 430, estimating the effective smoke generating concentration and the effective smoke generating thickness according to the target shielding area, the smoke curtain diffusion range and the smoke curtain concentration.
Specifically, according to real-time data of a complex terrain meteorological field, a smoke curtain diffusion model based on actual physical parameters solves advection items, external force items and diffusion items, a simulated smoke curtain diffusion process is calculated in real time, a scene smoke curtain shielding effect is displayed in a system in real time to simulate the whole diffusion process in a voxel mode, simulation deduction of smoke curtain diffusion is realized, a smoke curtain diffusion range and smoke concentration are calculated in real time, a vertical projection surface formed above a smoke curtain in a guarantee target area is calculated through the advancing direction or the observing direction of a flying object, a smoke effective concentration and a smoke effective thickness statistical range are defined according to the vertical projection surface, an effective smoke concentration threshold and an effective smoke thickness threshold are set, and statistical results of the smoke effective concentration and the smoke effective thickness are displayed in a system interface in a distinguished mode.
According to the embodiment, through the smoke generation type, the target shielding area and the unmanned aerial vehicle flight attitude, the unmanned aerial vehicle smoke generation is simulated, the smoke generation effective concentration and the smoke generation effective thickness are estimated, a data base capable of directly evaluating the smoke generation effect is provided, and the technical problems that the smoke distribution cannot be flexibly carried out and the effect of the smoke shielding target cannot be accurately evaluated in the prior art are solved.
In an embodiment, the method for evaluating the smoke generating effect of the unmanned aerial vehicle provided by the embodiment of the application may further include:
step 510, determining an evaluation result of the smoke effect of the unmanned aerial vehicle according to the comparison result between the smoke effective concentration and the first preset threshold value and the comparison result between the smoke effective thickness and the second preset threshold value.
Specifically, according to the result of the statistical effective fuming concentration and the fuming effective thickness, the correctness, the effectiveness and the feasibility of a fuming mechanism of the unmanned aerial vehicle are judged, and according to the comparison result between the effective fuming concentration and the first preset threshold value and the comparison result between the effective fuming thickness and the second preset threshold value, the effect of the fuming shielding target of the unmanned aerial vehicle is comprehensively evaluated. For example, under the condition that the effective smoke generating concentration is larger than a first preset threshold value and the effective smoke generating thickness is larger than a second preset threshold value, determining that the effect of the unmanned aerial vehicle smoke generating shielding target is good, and finally iteratively optimizing the unmanned aerial vehicle smoke generating mechanism and strategy according to the determined conclusion and the comprehensive evaluation result.
According to the embodiment, through the comparison result between the smoke generation effective concentration and the smoke generation effective thickness and the corresponding threshold values, the evaluation result of the smoke generation effect of the unmanned aerial vehicle is determined, and the technical problems that the smoke distribution cannot be flexibly carried out and the effect of the smoke shielding target cannot be accurately evaluated in the prior art are solved.
In an embodiment, the method for evaluating the smoke generating effect of the unmanned aerial vehicle provided by the embodiment of the application may further include:
step 110, loading and rendering geographic vector data, satellite images, oblique photography modeling and three-dimensional ground object modeling based on standard services provided by a geographic space information platform;
step 120, preprocessing the geographic vector data, satellite images, oblique photography modeling and three-dimensional ground object modeling after loading and rendering, and restoring the topography;
and 130, analyzing the data format of the acquired weather information, and fusing the analyzed weather information with a simulation system to obtain the simulated weather.
Specifically, based on the geospatial information platform provided by the unmanned aerial vehicle smoke effect evaluation scheme of the embodiment, the data such as the geographic vector data, satellite images, oblique photography modeling, three-dimensional ground object modeling and the like are loaded and rendered through standard service, and the functions of displaying the topography and the ground surface remote sensing images are provided through preprocessing the loaded and rendered data.
Meteorological data are acquired through a meteorological sensor, the acquired meteorological data can be transmitted to a computer terminal in a wired or wireless communication mode, and the acquired meteorological data are communicated with a simulation system (the target effect of smoke shielding of the unmanned aerial vehicle bee colony) to realize the access of a terminal data communication protocol. The real-time information stream data of the terminal is pushed into the simulation system, is analyzed according to the service data format of the terminal, realizes the unified format of the terminal data, and is subjected to data information acquisition and analysis, so that hardware digital signals are fused with the simulation system, key parameters of weather information such as wind speed, wind direction, air temperature, atmospheric pressure, relative humidity and the like around smoke generating equipment are collected, a simulation data basis is provided for a smoke curtain diffusion algorithm, and weather data required by the smoke curtain diffusion algorithm and the like can be input through a panel.
According to the embodiment, the geographic information is used for restoring the topography of the real world, the simulation weather is determined based on the acquired weather information, and a data base is provided for smoke simulation of the unmanned aerial vehicle.
The smoke effect evaluation device of the unmanned aerial vehicle provided by the invention is described below, and the smoke effect evaluation device of the unmanned aerial vehicle described below and the smoke effect evaluation method of the unmanned aerial vehicle described above can be correspondingly referred to each other.
Referring to fig. 3, the present invention further provides an apparatus for evaluating smoke effect of an unmanned aerial vehicle, including:
a restoration simulation module 301, configured to restore the topography based on the obtained geographic information, and determine a simulated weather based on the obtained weather information;
the simulation data determining module 302 is configured to determine a target shielding area according to the simulated traveling direction of the flying object, and determine a smoke type based on a preset flying object type;
the unmanned aerial vehicle flight attitude setting module 303 is configured to set an unmanned aerial vehicle flight attitude based on the topography, the simulated weather, and the traveling direction of the flying object;
the fuming effective data estimation module 304 is configured to simulate fuming of the unmanned aerial vehicle according to the fuming type, the target shielding area and the flight attitude of the unmanned aerial vehicle, and estimate a fuming effective concentration and a fuming effective thickness;
and the smoke generation effect evaluation module 305 is configured to determine an evaluation result of the smoke generation effect of the unmanned aerial vehicle according to the smoke generation effective concentration and the smoke generation effective thickness.
Optionally, the analog data determining module includes:
the flying object data acquisition unit is used for acquiring flying object position and flying object attitude information obtained by simulation of the unmanned aerial vehicle;
a flying object traveling direction determining unit configured to determine a flying object traveling direction based on the flying object position and the flying object posture information;
the combined result determining unit is used for generating space grid data based on the ground object model and determining a combined result of the space grid data and the remote sensing image;
and the target shielding area determining unit is used for determining the target shielding area according to the traveling direction of the flying object, the combination result and the acquired smoke curtain guarantee area space data.
Optionally, the analog data determining module further includes:
the smoke generation type determining unit is used for determining the smoke generation type based on the traveling direction of the flying object, the preset guiding mode and the preset flying object type, and the smoke generation type comprises smoke generation materials, smoke generation forms and smoke generation purposes.
Optionally, the unmanned aerial vehicle flight attitude setting module includes:
the unmanned aerial vehicle flight attitude setting unit is used for setting unmanned aerial vehicle space position data and unmanned aerial vehicle attitude data based on the topography, the simulated weather, the traveling direction of the flying object and a preset guarantee target;
the unmanned aerial vehicle data determining unit is used for determining unmanned aerial vehicle smoke spraying speed and unmanned aerial vehicle nacelle gesture through the unmanned aerial vehicle carrying smoke generating equipment based on the topography, the simulated weather, the flying object advancing direction, the preset guarantee target, the unmanned aerial vehicle space position data and the unmanned aerial vehicle gesture data.
Optionally, the fuming valid data estimation module includes:
the smoke curtain diffusion process simulation unit is used for solving the advection item, the external force item and the diffusion item based on a preset smoke curtain diffusion model and simulating a smoke curtain diffusion process according to a solving result;
the smoke data determining unit is used for determining a smoke diffusion range and smoke concentration based on the smoke type, the unmanned aerial vehicle flight attitude and the smoke diffusion process through the unmanned aerial vehicle carrying the smoke generating equipment;
and the smoke data estimation unit is used for estimating the effective smoke concentration and the effective smoke thickness according to the target shielding area, the smoke curtain diffusion range and the smoke curtain concentration.
Optionally, the smoke effect evaluation module includes:
and the smoke generation effect evaluation unit is used for determining the evaluation result of the smoke generation effect of the unmanned aerial vehicle according to the comparison result between the smoke generation effective concentration and the first preset threshold value and the comparison result between the smoke generation effective thickness and the second preset threshold value.
Optionally, the reduction simulation module includes:
the data loading and rendering unit is used for loading and rendering geographic vector data, satellite images, oblique photography modeling and three-dimensional ground object modeling based on standard services provided by the geographic space information platform;
the landform restoration unit is used for restoring the landform by preprocessing the geographic vector data, satellite images, oblique photography modeling and three-dimensional ground modeling which are loaded and rendered;
the information system fusion unit is used for analyzing the data format of the acquired meteorological information and fusing the analyzed meteorological information with the simulation system to obtain the simulated meteorological.
Fig. 4 illustrates a physical schematic diagram of an electronic device, as shown in fig. 4, which may include: processor 410, communication interface (Communications Interface) 420, memory 430 and communication bus 440, wherein processor 410, communication interface 420 and memory 430 communicate with each other via communication bus 440. The processor 410 may invoke logic instructions in the memory 430 to perform the drone smoke effect evaluation method.
Further, the logic instructions in the memory 430 described above may be implemented in the form of software functional units and may be stored in a computer-readable storage medium when sold or used as a stand-alone product. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product comprising a computer program, the computer program being storable on a non-transitory computer readable storage medium, the computer program, when executed by a processor, being capable of performing the method of evaluating the smoke effect of an unmanned aerial vehicle provided by the methods described above.
In yet another aspect, the present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, is implemented to perform the unmanned aerial vehicle smoke effect assessment method provided by the above methods.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The unmanned aerial vehicle smoke effect evaluation method is characterized by comprising the following steps of:
restoring the topography based on the obtained geographic information, and determining the simulated weather based on the obtained weather information;
determining a target shielding area according to the simulated traveling direction of the flying object, and determining a smoke generation type based on the preset flying object type;
setting the flight attitude of the unmanned aerial vehicle based on the topography, the simulated weather and the traveling direction of the flying object;
simulating smoke generation of the unmanned aerial vehicle according to the smoke generation type, the target shielding area and the flight attitude of the unmanned aerial vehicle, and estimating the smoke generation effective concentration and the smoke generation effective thickness;
and determining an evaluation result of the smoke generation effect of the unmanned aerial vehicle according to the smoke generation effective concentration and the smoke generation effective thickness.
2. The unmanned aerial vehicle smoke effect evaluation method of claim 1, wherein the determining the target shielding area from the simulated direction of travel of the flying object comprises:
acquiring flying object position and flying object attitude information obtained by simulation of an unmanned aerial vehicle;
determining a flying object traveling direction based on the flying object position and the flying object posture information;
generating space grid data based on a ground object model, and determining a combination result of the space grid data and a remote sensing image;
and determining a target shielding area according to the traveling direction of the flying object, the combination result and the acquired spatial data of the smoke curtain guarantee area.
3. The unmanned aerial vehicle smoke effect evaluation method of claim 1, wherein the determining a type of smoke based on a preset type of aircraft comprises:
and determining a smoke generation type based on the traveling direction of the flying object, a preset guiding mode and a preset flying object type, wherein the smoke generation type comprises smoke generation materials, smoke generation forms and smoke generation purposes.
4. The unmanned aerial vehicle smoke effect evaluation method according to claim 1, wherein the setting of the unmanned aerial vehicle flight attitude based on the topography, the simulated weather, and the flying object traveling direction comprises:
setting unmanned aerial vehicle space position data and unmanned aerial vehicle attitude data based on the topography, the simulated weather, the flying object advancing direction and a preset guarantee target;
based on the topography, the simulated weather, the flying object advancing direction, the preset guarantee target, the unmanned aerial vehicle space position data and the unmanned aerial vehicle gesture data, the unmanned aerial vehicle smoke spraying speed and the unmanned aerial vehicle nacelle gesture are determined through the unmanned aerial vehicle carrying the smoke generating device.
5. The unmanned aerial vehicle smoke effect evaluation method of claim 4, wherein simulating unmanned aerial vehicle smoke according to the smoke type, the target shielding area and the unmanned aerial vehicle flight attitude, and estimating the smoke effective concentration and the smoke effective thickness comprises:
solving a advection term, an external force term and a diffusion term based on a preset smoke curtain diffusion model, and simulating a smoke curtain diffusion process according to a solving result;
determining a smoke curtain diffusion range and a smoke curtain concentration based on the smoke type, the flight attitude of the unmanned aerial vehicle and the smoke curtain diffusion process through the unmanned aerial vehicle carrying the smoke generating device;
and estimating the effective smoke generating concentration and the effective smoke generating thickness according to the target shielding area, the smoke curtain diffusion range and the smoke curtain concentration.
6. The unmanned aerial vehicle smoke effect evaluation method according to claim 1, wherein the determining the evaluation result of the unmanned aerial vehicle smoke effect according to the smoke effective concentration and the smoke effective thickness comprises:
and determining an evaluation result of the smoke generation effect of the unmanned aerial vehicle according to a comparison result between the smoke generation effective concentration and a first preset threshold value and a comparison result between the smoke generation effective thickness and a second preset threshold value.
7. The unmanned aerial vehicle smoke effect evaluation method of claim 1, wherein the restoring the topography based on the acquired geographic information, determining the simulated weather based on the acquired weather information comprises:
loading and rendering geographic vector data, satellite images, oblique photography modeling and three-dimensional ground object modeling based on standard services provided by a geographic space information platform;
preprocessing the loaded and rendered geographic vector data, satellite images, oblique photography modeling and three-dimensional ground object modeling to restore the topography;
analyzing the data format of the acquired meteorological information, and fusing the analyzed meteorological information with a simulation system to obtain the simulated meteorological.
8. An unmanned aerial vehicle effect evaluation device that fuming, characterized by comprising:
the restoration simulation module is used for restoring the topography based on the acquired geographic information and determining simulated weather based on the acquired weather information;
the simulation data determining module is used for determining a target shielding area according to the simulated traveling direction of the flying object and determining a smoke generation type based on the preset flying object type;
the unmanned aerial vehicle flight attitude setting module is used for setting the unmanned aerial vehicle flight attitude based on the topography, the simulated weather and the traveling direction of the flying object;
the smoke generation effective data estimation module is used for simulating smoke generation of the unmanned aerial vehicle according to the smoke generation type, the target shielding area and the flight attitude of the unmanned aerial vehicle, and estimating smoke generation effective concentration and smoke generation effective thickness;
and the smoke generation effect evaluation module is used for determining an evaluation result of the smoke generation effect of the unmanned aerial vehicle according to the smoke generation effective concentration and the smoke generation effective thickness.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the unmanned aerial vehicle smoke effect assessment method of any one of claims 1 to 7 when the program is executed by the processor.
10. A non-transitory computer readable storage medium having stored thereon a computer program, wherein the computer program when executed by a processor implements the unmanned aerial vehicle smoke effect assessment method of any of claims 1 to 7.
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