CN112857267A - Land area measurement system based on unmanned aerial vehicle - Google Patents
Land area measurement system based on unmanned aerial vehicle Download PDFInfo
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- 238000004891 communication Methods 0.000 claims description 17
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/28—Measuring arrangements characterised by the use of optical techniques for measuring areas
- G01B11/285—Measuring arrangements characterised by the use of optical techniques for measuring areas using photoelectric detection means
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/10—Simultaneous control of position or course in three dimensions
- G05D1/101—Simultaneous control of position or course in three dimensions specially adapted for aircraft
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Abstract
The application relates to the field of land area measurement, in particular to a land area measurement system based on an unmanned aerial vehicle, which comprises a processing end, an unmanned aerial vehicle body, a body manipulator, a positioning camera and a terrain acquisition module; the unmanned aerial vehicle body is used for transmitting the shot measurement image data to the processing end; the positioning camera follows the unmanned aerial vehicle body to fly and generate positioning image data; the processing end is used for acquiring measurement image data, positioning image data and topographic pictures; the processing terminal is also used for storing the measured image data and displaying the positioning image data and the terrain pictures through the display screen. The operator controls the flight of unmanned aerial vehicle organism near the actual measurement position to adjust the flight position of unmanned aerial vehicle organism in real time through location image data, be convenient for improve the flight path degree of accuracy of unmanned aerial vehicle organism. The method and the device have the effect of high measurement result precision.
Description
Technical Field
The application relates to the field of land area measurement, in particular to a land area measurement system based on an unmanned aerial vehicle.
Background
Land survey is an indispensable construction project for the nation and an indispensable construction project for engineering enterprises. The country needs to regularly measure the territorial area of the country and register the territorial area of the country in an album, including the farmland area, the deep forest floor area, the living area and the like. Engineering enterprises need to accurately measure the land area before construction so as to ensure the smooth implementation of the engineering.
The land area measurement in the correlation technique adopts unmanned aerial vehicle measurement, uses satellite positioning system to retrain unmanned aerial vehicle's flight orbit, then handles the image of shooting in the flight of unmanned aerial vehicle, obtains the image of the soil that awaits measuring, calculates the actual area of the soil that awaits measuring according to the proportion.
Aiming at the related technologies, the inventor thinks that the positioning deviation is easy to exist in the satellite positioning system, so when the unmanned aerial vehicle flies according to the flight track constrained by satellite positioning, the problem of missed shooting is easy to occur, and the precision of the land area measurement result is reduced.
Disclosure of Invention
For the convenience of accurate control unmanned aerial vehicle's flight track, improve the measuring result precision, this application provides a land area measurement system based on unmanned aerial vehicle.
The application provides a land area measurement system based on unmanned aerial vehicle adopts following technical scheme:
a land area measuring system based on an unmanned aerial vehicle comprises a processing end, an unmanned aerial vehicle body, a body manipulator, a positioning camera and a terrain acquisition module;
the body manipulator is used for controlling the unmanned aerial vehicle body to fly;
the unmanned aerial vehicle body is in communication connection with the processing end and used for flying, and shot measurement image data are transmitted to the processing end in the flying process;
the positioning camera is installed on the unmanned aerial vehicle body, is in communication connection with the processing end, and is used for recording images, generating positioning image data and transmitting the positioning image data to the processing end in real time;
the terrain acquisition module is in communication connection with the processing end and is used for inquiring a terrain picture of a land to be detected on the Internet and transmitting the inquired terrain picture to the processing end;
the processing terminal is used for acquiring measurement image data, positioning image data and topographic pictures; the processing terminal is also used for storing the measured image data and displaying the positioning image data and the terrain pictures through the display screen.
By adopting the technical scheme, the operator inputs the position of the land to be detected into the processing end, and the terrain acquisition module acquires the terrain picture of the land to be detected through the internet. The operator plans the flight track of unmanned aerial vehicle organism according to the topographic map piece. Then control the unmanned aerial vehicle organism through the organism controller and fly according to the flight orbit, at the unmanned aerial vehicle organism in-process of flying, the location image data that the processing end constantly received and showed the transmission of location camera, the operator judges the flight direction of unmanned aerial vehicle organism and the degree of accuracy of flight position according to location image data, the accurate control unmanned aerial vehicle's of being convenient for flight orbit helps improving the measuring result precision.
Optionally, the apparatus further comprises a dot positioning module for providing visible light.
Through adopting above-mentioned technical scheme, basic point orientation module can provide the visible light, the operator sets up basic point orientation module behind its position of judging whether unmanned aerial vehicle organism flight orbit is accurate of being convenient for, through the position of visible light in location image data, adjust and keep watch on the flight orbit of unmanned aerial vehicle organism, the measurement image data that is convenient for make unmanned aerial vehicle organism generate can be complete, the clear reaction goes out the condition of the soil that awaits measuring, thereby help improving the measuring result precision.
Optionally, the base point positioning module includes an assisting unmanned aerial vehicle, and a laser emitter is arranged on the assisting unmanned aerial vehicle; the base point positioning modules are at least four.
Through adopting above-mentioned technical scheme, help unmanned aerial vehicle the same with the unmanned aerial vehicle organism, all can fly. The operator helps unmanned aerial vehicle flight through control, carries the laser emitter who is connected rather than and flies the assigned position, then supplies the operator as the reference baseline, and the accurate flight orbit of control unmanned aerial vehicle of the operator of being convenient for makes the actual conditions that can be complete, clear reaction go out the soil that awaits measuring among the measurement image data that unmanned aerial vehicle shot to be convenient for improve the measuring result precision in later stage.
Optionally, the location camera is equipped with a plurality ofly, and evenly distributed is in on the bottom surface of unmanned aerial vehicle organism.
Through adopting above-mentioned technical scheme, a plurality of location cameras generate for the not equidirectional location image data of unmanned aerial vehicle organism, match a plurality of base point orientation module, help improving the operator when controlling the flight of unmanned aerial vehicle organism, the degree of accuracy of unmanned aerial vehicle organism flight path to help improving the measuring result precision.
Optionally, every be equipped with two on the assistance unmanned aerial vehicle laser emitter, two laser emitter is located respectively the upper and lower surface of assistance unmanned aerial vehicle.
Through adopting above-mentioned technical scheme, a laser emitter is to assisting unmanned aerial vehicle top transmission visible light, and a laser emitter is to assisting the unmanned aerial vehicle below transmission visible light. The selection of operators is richer and more diversified, and the land area measuring system can adapt to various terrains. For example, when measuring the land area planted with a higher tree, the laser transmitter downwards transmits visible light to facilitate an operator to view the visible light, so that the unmanned aerial vehicle can be assisted to fly at a certain point in the air. If will assist unmanned aerial vehicle to berth on subaerial, not only descend the in-process easily with the trees collision, the visible light of laser emitter transmission is also sheltered from by trees easily.
Optionally, a flying height detection module is arranged on the unmanned aerial vehicle body and used for detecting the current flying height of the unmanned aerial vehicle body when no obstacle is blocked in front of the unmanned aerial vehicle body and generating flying height data;
the flying height detection module is in communication connection with the processing end and is used for transmitting flying height data to the processing end;
the processing terminal is used for acquiring flight height data and generating real flight height data according to the flight height data.
Through adopting above-mentioned technical scheme, before unmanned aerial vehicle organism formal flight, control unmanned aerial vehicle organism and fly to take the altitude earlier, during this period, flying height detection module detects the barrier in the dead ahead of unmanned aerial vehicle organism, when not having the barrier, generates flying height data. The processing end calculates real flight height data according to the flight height data, and an operator controls the actual flight height of the unmanned aerial vehicle body according to the real flight height data. On the one hand, make the unmanned aerial vehicle organism in flight process, be difficult for bumping with the barrier. On the one hand, flying height is lower, and the influence definition that the unmanned aerial vehicle organism was shot is higher, helps improving measuring result's precision.
Optionally, an electric quantity detection module is arranged in the unmanned aerial vehicle body and used for acquiring the residual electric quantity of a battery in the unmanned aerial vehicle body and generating residual electric quantity data;
the electric quantity detection module is in communication connection with the processing terminal, and the processing terminal is used for acquiring residual electric quantity data;
a battery power supply time database is arranged in the processing terminal and stores corresponding time data for the unmanned aerial vehicle body to fly when the residual electric quantity data is a; a is between 0 and 100;
and the processing terminal is used for inquiring corresponding time data in the battery power supply time database according to the acquired residual electric quantity data and outputting the time data.
Through adopting above-mentioned technical scheme, before unmanned aerial vehicle organism formal flight, electric quantity detection module acquires the residual capacity data of battery in the unmanned aerial vehicle organism to give the processing terminal with residual capacity data transmission, the processing terminal passes through battery powered time database and acquires corresponding time data, and time data represents the time that the unmanned aerial vehicle organism can fly under current residual capacity. On one hand, the land measurement can be conveniently carried out by an operator under the condition that the unmanned aerial vehicle body has sufficient electric quantity, and the measurement interruption caused by insufficient electric quantity of the unmanned aerial vehicle body is avoided; on the other hand, sufficient electric quantity is convenient for improve the stability of unmanned aerial vehicle organism in flight process and the definition of the measurement image data of shooting to help improving the measuring result precision.
Optionally, a startup duration detection module is arranged in the unmanned aerial vehicle body and used for counting and recording total startup duration data of the unmanned aerial vehicle body;
a battery power supply time attenuation database is arranged in the processing terminal and stores a plurality of startup time ranges and corresponding battery power supply time attenuation ratios;
the processing terminal acquires the startup duration data before outputting the time data, inquires a corresponding battery power supply duration attenuation ratio from the battery power supply duration attenuation database according to the startup duration data, and outputs the product of the time data and the inquired battery power supply duration attenuation ratio.
By adopting the above technical scheme, the storage capacity of the battery is reduced along with the prolonging of the service life of the battery, and although the electric quantity of the battery can be fully charged, the actual service life is shortened. Secondly, the old of power consumptive equipment also can accelerate the consumption of electric energy, consequently in order to guarantee that the unmanned aerial vehicle organism can have sufficient electric quantity before the measurement, avoids measuring repeatedly, influences efficiency. The processing end inquires the corresponding battery power supply time attenuation ratio in the battery power supply time attenuation database, and then outputs the estimated time, so that the method is more reasonable and accurate.
Optionally, be equipped with on the unmanned aerial vehicle organism with the wind speed detection module that processing end communication is connected for detect the wind speed, generate wind speed data, transmit wind speed data for processing the end.
Through adopting above-mentioned technical scheme, when the wind speed is very fast, can cause the influence to the unmanned aerial vehicle organism, for example make the unmanned aerial vehicle organism produce the shake or deviate from the direction of flight gradually. The operator judges the back through wind speed data to the wind speed, and the flight of control unmanned aerial vehicle organism again is convenient for guarantee the stability of unmanned aerial vehicle organism and the accuracy of flight orbit to help improving measuring result's precision.
Optionally, be equipped with the brightness compensation module on the unmanned aerial vehicle organism for improve light.
Through adopting above-mentioned technical scheme, when weather luminance is darker, open the luminance compensation module, for the unmanned aerial vehicle organism provides light, help improving the definition of measuring image data to help improving measuring result's precision.
In summary, the present application includes at least one of the following beneficial technical effects:
1. an operator controls the unmanned aerial vehicle body to fly near the actual measurement position, and adjusts the flying position of the unmanned aerial vehicle body in real time by positioning the image data, so that the accuracy of the flying track of the unmanned aerial vehicle body is improved, data are not easy to miss in the measured image data, and the precision of the measurement result is improved;
2. set up a plurality of base point orientation module, supply the operator to judge the current position of unmanned aerial vehicle organism, be convenient for guarantee that the unmanned aerial vehicle organism carries out complete and clear shooting to the land of awaiting measuring, form the high and high measurement image data of integrity of fineness to help improving measuring result's precision.
Drawings
FIG. 1 is a schematic diagram of a land area measuring system based on unmanned aerial vehicles;
FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;
FIG. 3 is a block diagram of the processing side;
fig. 4 is a block diagram of the structure of the unmanned aerial vehicle body.
Description of reference numerals: 1. a processing end; 11. a battery-powered time database; 12. a battery powered time decay database; 2. an unmanned aerial vehicle body; 21. a flying height detection module; 22. an electric quantity detection module; 23. a startup duration detection module; 24. a wind speed detection module; 25. a brightness compensation module; 3. a body manipulator; 4. positioning a camera; 5. a terrain acquisition module; 6. a base point positioning module; 61. assisting the unmanned aerial vehicle; 62. a laser emitter.
Detailed Description
The embodiment of the application discloses land area measurement system based on unmanned aerial vehicle. Referring to fig. 1 and 2, a land area measuring system based on a drone includes a processing end 1, a drone body 2, a body manipulator 3, a plurality of positioning cameras 4, and a plurality of base point positioning modules 6. The organism controller 3 matches with unmanned aerial vehicle organism 2 for control 2 flights of unmanned aerial vehicle organism, including direction of flight, airspeed and the flight state of control unmanned aerial vehicle organism 2. Unmanned aerial vehicle organism 2 is connected with the communication of processing end 1, and unmanned aerial vehicle organism 2 includes unmanned aerial vehicle and installs the shooting camera machine in unmanned aerial vehicle, and the camera lens of shooting camera machine is vertical down. Unmanned aerial vehicle organism 2 is used for the flight to at the flight in-process, shoot the scene of its below, generate and measure image data, will measure image data and transmit for processing end 1. Positioning camera 4 installs on unmanned aerial vehicle organism 2, and a plurality of positioning camera 4 evenly distributed are on unmanned aerial vehicle organism 2's bottom surface. The lens of the positioning camera 4 faces obliquely below the unmanned aerial vehicle body 2. The positioning camera 4 is in communication connection with the processing terminal 1 and is used for recording images, generating positioning image data and transmitting the positioning image data to the processing terminal 1 in real time.
Referring to fig. 1, the processing terminal 1 is configured to obtain measurement image data and positioning image data, store the measurement image data, and display the positioning image data through a display screen for an operator to view. The base point positioning module 6 is adapted to provide visible light, in particular. At least four base point positioning modules 6 are provided. With reference to fig. 2, the base point positioning module 6 comprises a helper drone 61 and a laser transmitter 62. Each assisting unmanned aerial vehicle 61 is provided with two laser transmitters 62 respectively located on the upper surface and the lower surface of the assisting unmanned aerial vehicle 61. The laser emitting end of the laser emitter 62 located on the upper surface of the assisting unmanned aerial vehicle 61 faces upward, and the laser emitting end of the laser emitter 62 located on the lower surface of the assisting unmanned aerial vehicle 61 faces downward.
Referring to fig. 3, a terrain obtaining module 5 is disposed in the processing terminal 1 and is in communication connection with the processing terminal 1. After an operator inputs the position information of the land to be measured in the processing terminal 1, the terrain acquisition module 5 inquires a terrain picture of the land to be measured on the internet through the internet and transmits the inquired terrain picture to the processing terminal 1. The processing terminal 1 is used for acquiring a terrain picture and displaying the terrain picture through a display screen. With reference to fig. 2, an operator acquires at least one topographic image through the processing terminal 1, selects a suitable image from the topographic image, and plans the flight path of the unmanned aerial vehicle body 2 according to the image.
It should be noted that, because of the motion of the crust of the earth and human factors, the topographic picture of the land to be measured that is obtained on the net can not be directly used for land area measurement, and on the one hand, the time of the topographic picture is not up to date, and on the other hand, the topographic picture is not suitable for being used for land area measurement, therefore needs the operator to use unmanned aerial vehicle organism 2 to measure the land to be measured.
In addition, if the terrain image retrieved by the terrain obtaining module 5 cannot be used or the terrain image of the to-be-detected land is not retrieved by the terrain obtaining module 5, the operator can obtain the terrain image of the to-be-detected land through the satellite image or the remote sensing image.
Referring to fig. 4, be equipped with flying height detection module 21 on the unmanned aerial vehicle organism 2 for when detecting that 2 the place ahead of unmanned aerial vehicle organism is free from obstacles and shelters from, the current flying height of unmanned aerial vehicle organism 2 generates flying height data. Flying height detection module 21 includes infrared ray sensor and distance sensor, and infrared ray sensor horizontal installation is on unmanned aerial vehicle organism 2 for whether there is the barrier in the detection unmanned aerial vehicle organism 2 the place ahead to shelter from. The distance sensor is used for detecting the current distance to the ground of the unmanned aerial vehicle body 2, so that flying height data is generated.
Referring to fig. 3 and 4, the flying height detecting module 21 is communicatively connected to the processing terminal 1 for transmitting the flying height data to the processing terminal 1. After acquiring the flight height data, the processing terminal 1 generates real flight height data according to the flight height data. Note that, the actual flying height data = flying height data + flying height threshold value. The flying height threshold is set in the processing terminal 1 and is manually set. The specific value of the flight height threshold value is determined according to the type of the land to be detected, for example, when the type of the land to be detected is a mountain land, the flight height threshold value is set to be 30 meters; and when the type of the land to be detected is high flat land, the flight height threshold value is set to be 20 meters. In addition, the flying height threshold value is also determined according to the weather condition and the environmental condition of the day, and is changed by an operator. Aim at unmanned aerial vehicle organism 2 when measuring, the flying height does not change easily.
Referring to fig. 4, an electric quantity detection module 22 is provided in the unmanned aerial vehicle body 2, and is configured to acquire the remaining electric quantity of the battery in the unmanned aerial vehicle body 2 and generate remaining electric quantity data. The power detection module 22 may be a detection program in the MCU, a detection circuit, or a detection device. Referring to fig. 3, the power detection module 22 is in communication connection with the processing terminal 1, and the processing terminal 1 is configured to obtain the remaining power data.
Referring to fig. 3 and 4, a battery power supply time database 11 is arranged in the processing terminal 1, and when the data of the remaining power is stored as a, the corresponding time for the unmanned aerial vehicle body 2 to fly is stored. a is between 0 and 100, representing a residual capacity of 0 to 100. For example, when a is 50, it represents that the battery remaining capacity in the drone body 2 accounts for 50% of the total battery capacity; when a is 90, it represents that the remaining battery capacity in the unmanned aerial vehicle body 2 accounts for 90% of the total battery capacity of the battery.
The processing terminal 1 is configured to query corresponding time data from the battery power supply time database 11 according to the acquired remaining power data, and output the time data. The time data represents the time of flight of the unmanned aerial vehicle body 2. For convenience of understanding, for example, when a is 90, the time data is 90 minutes, which is stored in the battery-powered time database 11. It means that the unmanned aerial vehicle body 2 can fly for 90 minutes when the remaining capacity data is 90. The operator of being convenient for learns the time of 2 sustainable workings of unmanned aerial vehicle organism to carry out rational planning to the measurement process, avoid unmanned aerial vehicle organism 2 not enough at flight on the way electric quantity, influence measurement.
Referring to fig. 4, a startup duration detection module 23 is arranged in the unmanned aerial vehicle body 2 and used for counting and recording the total startup duration data of the unmanned aerial vehicle body 2. The power-on duration detection module 23 may be a circuit or a program having a detection function. Referring to fig. 3, the processing terminal 1 is provided with a battery power supply duration attenuation database 12, which stores a plurality of startup duration ranges and corresponding battery power supply duration attenuation ratios. Before outputting the time data, the processing terminal 1 acquires the startup duration data, queries the corresponding battery power supply duration attenuation ratio from the battery power supply duration attenuation database 12 according to the startup duration data, and outputs the product of the time data and the queried battery power supply duration attenuation ratio as the actual flyable time.
For convenience of understanding, for example, the battery power supply duration attenuation database 12 stores a plurality of pieces of data, each of which includes a startup duration range j to k and a corresponding battery power supply duration attenuation ratio i%. After the processing terminal 1 obtains the startup duration data, the startup duration data is compared with the startup duration range, and after the startup duration data falls into a certain startup duration range, corresponding i% is called. And then, obtaining the actual flight time by using the time data i%. The data in the battery powered duration decay database 12 may be obtained from big data or from limited experiments.
But the actual time of flight that the operator learnt accords with actual conditions more, and the operator of being convenient for plans measurement process according to the time that 2 actual of unmanned aerial vehicle organism can fly. For example, the unmanned aerial vehicle body 2 is charged, so that the electric quantity of the battery is sufficient; the flying height of the unmanned aerial vehicle body 2 is improved, so that the flying time of the unmanned aerial vehicle body 2 is shortened; and measuring the land to be measured in two times.
Referring to fig. 3 and 4, install the wind speed detection module 24 who is connected with processing end 1 communication on the unmanned aerial vehicle organism 2, wind speed detection module 24 includes wind speed sensor for detect the wind speed of unmanned aerial vehicle organism 2 position, generate wind speed data, transmit in real time and hold 1. When the wind speed is high, the flight stability of the unmanned aerial vehicle body 2 is affected, and after the operator knows the wind speed, the operator can choose to measure after the wind speed drops; or reduce the height that unmanned aerial vehicle organism 2 is located, make the wind speed reduce to guarantee to measure the definition of image data, be convenient for improve the measurement accuracy.
Referring to fig. 4, a lower surface of the unmanned aerial vehicle body 2 is provided with a brightness compensation module 25 for improving the brightness below the unmanned aerial vehicle body 2. The brightness compensation module 25 may be a light emitter or a light bulb. When the brightness of the environment where the land to be measured is located is low, the brightness compensation module 25 is started, which is helpful for improving the definition of influence in the measured image data, thereby being convenient for improving the precision of the measurement result.
The implementation principle of the land area measuring system based on the unmanned aerial vehicle is as follows: an operator inputs the position of the land to be detected into the processing end 1, and the terrain obtaining module 5 obtains a terrain picture of the land to be detected through the internet. The operator plans the flight trajectory of unmanned aerial vehicle organism 2 according to the topographic map piece. Then control unmanned aerial vehicle organism 2 through organism controller 3 and fly according to the flight orbit, at 2 flight in-process of unmanned aerial vehicle organism, location image data that 4 transmissions of location camera are constantly received and are shown to processing end 1. The operator judges out unmanned aerial vehicle organism 2's flight position according to location image data and a plurality of basic point orientation module 6 to guarantee unmanned aerial vehicle organism 2's the orbital accuracy of flight, be convenient for make unmanned aerial vehicle organism 2 shoot complete and clear measurement image data, thereby help improving the later stage to the precision of the land area measurement that awaits measuring.
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 (10)
1. The utility model provides a land area measurement system based on unmanned aerial vehicle which characterized in that: the unmanned aerial vehicle comprises a processing end (1), an unmanned aerial vehicle body (2), a body manipulator (3), a positioning camera (4) and a terrain acquisition module (5);
the body manipulator (3) is used for controlling the unmanned aerial vehicle body (2) to fly;
the unmanned aerial vehicle body (2) is in communication connection with the processing end (1) and is used for flying, and shot measurement image data are transmitted to the processing end (1) in the flying process;
the positioning camera (4) is installed on the unmanned aerial vehicle body (2), is in communication connection with the processing end (1), and is used for recording images, generating positioning image data and transmitting the positioning image data to the processing end (1) in real time;
the terrain acquisition module (5) is in communication connection with the processing end (1) and is used for inquiring a terrain picture of a land to be detected on the Internet and transmitting the inquired terrain picture to the processing end (1);
the processing terminal (1) is used for acquiring measurement image data, positioning image data and topographic pictures; the processing terminal (1) is also used for storing the measured image data and displaying the positioning image data and the terrain pictures through a display screen.
2. A land area measuring system based on unmanned aerial vehicles according to claim 1, characterized in that: the base positioning module (6) is further provided for providing visible light.
3. A land area measuring system based on unmanned aerial vehicles according to claim 2, characterized in that: the base point positioning module (6) comprises an assisting unmanned aerial vehicle (61), and a laser emitter (62) is arranged on the assisting unmanned aerial vehicle (61); the base point positioning modules (6) are at least four.
4. A land area measuring system based on unmanned aerial vehicles according to claim 3, characterized in that: the positioning camera (4) is provided with a plurality of positioning cameras which are uniformly distributed on the bottom surface of the unmanned aerial vehicle body (2).
5. A land area measuring system based on unmanned aerial vehicles according to claim 3, characterized in that: every all be equipped with two on assisting unmanned aerial vehicle (61) laser emitter (62), two laser emitter (62) are located respectively assist the upper and lower surface of unmanned aerial vehicle (61).
6. A land area measuring system based on unmanned aerial vehicles according to claim 1, characterized in that: the unmanned aerial vehicle body (2) is provided with a flight height detection module (21) for detecting the current flight height of the unmanned aerial vehicle body (2) and generating flight height data when no obstacle is blocked in front of the unmanned aerial vehicle body (2);
the flying height detection module (21) is in communication connection with the processing end (1) and is used for transmitting flying height data to the processing end (1);
the processing terminal (1) is used for acquiring flight height data and generating real flight height data according to the flight height data.
7. A land area measuring system based on unmanned aerial vehicles according to claim 1, characterized in that: the unmanned aerial vehicle body (2) is internally provided with an electric quantity detection module (22) which is used for acquiring the residual electric quantity of a battery in the unmanned aerial vehicle body (2) and generating residual electric quantity data;
the electric quantity detection module (22) is in communication connection with the processing terminal (1), and the processing terminal (1) is used for acquiring residual electric quantity data;
a battery power supply time database (11) is arranged in the processing terminal (1) and stores corresponding time data for the flight of the unmanned aerial vehicle body (2) when the residual electric quantity data is a; a is between 0 and 100;
the processing terminal (1) is used for inquiring corresponding time data from the battery power supply time database (11) according to the acquired residual electric quantity data and outputting the time data.
8. A land area measuring system based on unmanned aerial vehicles according to claim 7, characterized in that: the unmanned aerial vehicle body (2) is internally provided with a starting time detection module (23) for counting and recording the total starting time data of the unmanned aerial vehicle body (2);
a battery power supply duration attenuation database (12) is arranged in the processing end (1) and stores a plurality of starting duration ranges and corresponding battery power supply duration attenuation ratios;
the processing terminal (1) acquires the startup duration data before outputting the time data, inquires a corresponding battery power supply duration attenuation ratio from the battery power supply duration attenuation database (12) according to the startup duration data, and outputs the product of the time data and the inquired battery power supply duration attenuation ratio.
9. A land area measuring system based on unmanned aerial vehicles according to claim 1, characterized in that: be equipped with on unmanned aerial vehicle organism (2) with wind speed detection module (24) that processing end (1) communication is connected for detect the wind speed, generate wind speed data, give processing end (1) with wind speed data transmission.
10. A land area measuring system based on unmanned aerial vehicles according to claim 1, characterized in that: be equipped with brightness compensation module (25) on unmanned aerial vehicle organism (2) for improve the light.
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| KR102347352B1 (en) * | 2021-10-12 | 2022-01-05 | 주식회사 파나시아 | Aerial imaging system that updates real-time image data |
| CN115326023A (en) * | 2022-10-14 | 2022-11-11 | 长春市应天网络有限公司 | Land measurement preprocessing method based on unmanned aerial vehicle image |
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