CN116800306A - Unmanned aerial vehicle-mounted wireless ultraviolet light MIMO communication detection integrated device and method - Google Patents
Unmanned aerial vehicle-mounted wireless ultraviolet light MIMO communication detection integrated device and method Download PDFInfo
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Abstract
The invention discloses an unmanned aerial vehicle-mounted wireless ultraviolet MIMO communication detection integrated device and method, comprising the following steps: a hemispherical structure, a plurality of strip wefts are arranged on the surface of the hemispherical structure. A plurality of warps are arranged between every two wefts; an ultraviolet LED and an ultraviolet detection piece are arranged at the intersection point of each weft and each warp; the photomultiplier is arranged at the vertex of the hemispherical structure, the traditional radio communication is replaced by utilizing wireless ultraviolet light communication, the traditional radar detection is replaced by utilizing wireless ultraviolet light passive detection, and the guarantee can be provided for communication detection of the unmanned aerial vehicle in the refusing environment. According to the invention, the load of the unmanned aerial vehicle can be effectively reduced, the space of the platform is saved, the energy consumption of the platform is reduced, the safety of the platform is improved, the optimal installation position of equipment can be determined on the unmanned aerial vehicle by utilizing a genetic algorithm, electromagnetic compatibility is reduced, and the unmanned aerial vehicle can transmit ultraviolet information and has an ultraviolet passive target detection integrated function.
Description
Technical Field
The invention relates to the technical field of photoelectric information, in particular to an unmanned aerial vehicle-mounted wireless ultraviolet MIMO communication detection integrated device and method.
Background
Unmanned aerial vehicle (Unmanned Aerial Vehicle, UAV), also known as unmanned aerial vehicle, refers to an unmanned aerial vehicle that utilizes aerodynamic force to provide lift force, can be controlled remotely or autonomously, can be recycled, and can carry a payload. With the continuous development of intelligence, unmanned aerial vehicles are widely applied to the military and civil fields by virtue of high flexibility, reusability, no casualties and the like. The unmanned aerial vehicle in the military field can not only perform the task of reconnaissance attack and the like in a battlefield environment, but also be applied to border patrol, air reconnaissance and the like. The system can be used for disaster relief, power line inspection, video shooting and the like in civil aspects.
At present, as the integration level of airborne equipment is low and the payload capacity of the unmanned aerial vehicle is limited, the unmanned aerial vehicle for combat has the problems of single function, low combat efficiency and the like, and therefore the integrated technology of the airborne equipment of the unmanned aerial vehicle is a key for solving the problems. In the refusing environment, unmanned aerial vehicles in a cluster need to be rapidly and reliably communicated and networked, relatively and accurately positioned among the unmanned aerial vehicles, and have collaborative investigation operation capability. In the reject condition, conventional radio communication and radar detection capabilities may be limited. The single-acting communication and detection equipment is simultaneously installed in an unmanned aerial vehicle system, so that a great deal of load and energy can be consumed, and finally the operation efficiency of the unmanned aerial vehicle is affected.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the unmanned aerial vehicle-mounted wireless ultraviolet MIMO communication detection integrated device and method, which can effectively reduce the load of an unmanned aerial vehicle, save the space of a platform, reduce the energy consumption of the platform and improve the safety of the platform, can determine the optimal installation position of equipment on the unmanned aerial vehicle by utilizing a genetic algorithm, reduce electromagnetic compatibility and enable the unmanned aerial vehicle to have the functions of ultraviolet information transmission and ultraviolet passive target detection integration. To achieve the above objects and other advantages and in accordance with the purpose of the invention, there is provided an unmanned aerial vehicle-mounted wireless ultraviolet MIMO communication detection integrated apparatus, comprising:
a hemispherical structure, a plurality of strip wefts are arranged on the surface of the hemispherical structure. A plurality of warps are arranged between every two wefts, each warp is arranged in a non-aligned mode in the vertical direction, and each warp is arranged at intervals in the weft direction;
an ultraviolet LED and an ultraviolet detection piece are arranged at the intersection point of each weft and each warp;
a photomultiplier is arranged at the vertex of the hemispherical structure.
Preferably, the wireless ultraviolet light MIMO communication detection integrated device is arranged on the opposite surface of the unmanned aerial vehicle body, and the wireless ultraviolet light MIMO communication detection integrated device is vertically fixedly connected to the top end of each rotor wing support arm of the unmanned aerial vehicle.
An unmanned aerial vehicle-mounted wireless ultraviolet light MIMO communication detection integrated method comprises the following steps:
s1, designing an ultraviolet MIMO communication detection integrated device;
s2, fixedly connecting a plurality of ultraviolet MIMO communication detection integrated devices on a body of the unmanned aerial vehicle;
s3, the unmanned aerial vehicle detects weak ultraviolet gunshot flame through an ultraviolet MIMO communication detection integrated device, so that an ultraviolet detection function of the unmanned aerial vehicle is realized;
s4, establishing a wireless ultraviolet communication link between unmanned aerial vehicles in the cluster, and transmitting and receiving the ultraviolet information between the unmanned aerial vehicles by utilizing ultraviolet communication with the ultraviolet information detected in the step 3.
Preferably, step S1 further comprises the steps of:
s11, uniformly dividing warp threads on the surface of the hemispherical structure;
s12, distributing different numbers of wefts according to the non-uniform and reasonable lengths of the warps;
s13, an ultraviolet LED and an ultraviolet photosensitive tube are arranged at the intersection point of the warp and the weft, and a photomultiplier is arranged at the vertex of the hemispherical structure;
s14, numbering each hemispherical structure, and uniquely numbering an ultraviolet LED, an ultraviolet photosensitive tube and a photomultiplier which are arranged on each hemispherical structure.
Preferably, in step S3, when the unmanned aerial vehicle enters the detection area, the information of the gunshot flame is passively detected by the ultraviolet photosensitive tube and the photomultiplier tube in the ultraviolet communication ultraviolet MIMO communication detection integrated device, and the detected ultraviolet information is analyzed by judging that the gunshot frequency and the movement information reach ultraviolet agility detection in the refusing environment, so as to obtain the information of the number of targets and the movement angular velocity.
Preferably, step S4 further comprises the following steps;
s41, if an inter-plane ultraviolet communication link is not established between the unmanned aerial vehicle i and the unmanned aerial vehicle j, periodically broadcasting own information of the unmanned aerial vehicle i by using an ultraviolet signal with the wavelength of 245 nm;
s42, the unmanned aerial vehicle j receives the ultraviolet information sent by the unmanned aerial vehicle i and immediately replies response information, and an inter-machine communication link between the unmanned aerial vehicle i and the unmanned aerial vehicle j is established;
s43, the unmanned aerial vehicle i and the unmanned aerial vehicle j respectively utilize ultraviolet signals with the wavelength of 255nm and 265nm to carry out duplex communication, so as to achieve secret communication under the refusing condition, and the formation adopts an indirect line-of-sight communication mode.
Compared with the prior art, the invention has the beneficial effects that: under the refusing condition, wireless ultraviolet light is used as a communication mode and a passive detection method of unmanned aerial vehicles in a cluster, so that the problems of limited effect and the like of the traditional communication detection mode in the refusing environment are solved, and the wireless ultraviolet light is advantageous, so that the aim of capturing alignment tracking is not required, and all-weather non-direct-view communication and the like can be realized. The ultraviolet communication detection integrated device based on hemispherical nonuniform arrangement can effectively reduce the load of the unmanned aerial vehicle, save the space of the platform, reduce the energy consumption of the platform and improve the safety of the platform, and the optimal installation position of equipment can be determined on the unmanned aerial vehicle by utilizing a genetic algorithm, so that electromagnetic compatibility is reduced. The unmanned aerial vehicle can transmit ultraviolet information and has an ultraviolet passive target detection integrated function.
Drawings
Fig. 1 is a schematic structural diagram of an ultraviolet communication detection integrated device based on nonuniform arrangement of hemispherical MIMO structures, of an unmanned aerial vehicle-mounted wireless ultraviolet MIMO communication detection integrated device and method according to the present invention;
fig. 2 is a schematic diagram of an assembly structure of an ultraviolet communication detection integrated device of the unmanned aerial vehicle-mounted wireless ultraviolet light MIMO communication detection integrated device and method according to the present invention;
FIG. 3 is a diagram of a clustered unmanned aerial vehicle-mounted ultraviolet MIMO device detection integrated device and method for unmanned aerial vehicle-mounted wireless ultraviolet MIMO communication according to the present invention;
fig. 4 is a schematic structural diagram of a wireless ultraviolet MIMO sounding integrated system of the unmanned aerial vehicle-mounted wireless ultraviolet MIMO communication sounding integrated device and method according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but 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.
Referring to fig. 1-4, an unmanned aerial vehicle-mounted wireless ultraviolet light MIMO communication detection integrated device includes: a hemispherical structure, a plurality of strip wefts are arranged on the surface of the hemispherical structure. A plurality of warps are arranged between every two wefts, each warp is arranged in a non-aligned mode in the vertical direction, and each warp is arranged at intervals in the weft direction;
an ultraviolet LED and an ultraviolet detection piece are arranged at the intersection point of each weft and each warp;
a photomultiplier is arranged at the vertex of the hemispherical structure.
Preferably, the wireless ultraviolet light MIMO communication detection integrated device is arranged on the opposite surface of the unmanned aerial vehicle body, and the wireless ultraviolet light MIMO communication detection integrated device is vertically fixedly connected to the top end of each rotor wing support arm of the unmanned aerial vehicle.
The specific operation steps are as follows:
step 1: when the ultraviolet LEDs and the ultraviolet photosensitive tubes in the hemispherical structure are distributed uniformly in longitude and latitude, the smaller the surface area at the position closer to the vertex is, the overlapping of irradiation areas can be caused, and the mutual interference of ultraviolet signals exists. Therefore, a non-uniform ultraviolet LED and ultraviolet photosensitive tube arrangement scheme is designed, as shown in fig. 1, the number and the interval of warps are arranged according to the length of wefts of a hemispherical MIMO model, ultraviolet LEDs and ultraviolet photosensitive tubes are installed at the intersection points of the warps, and the omnidirectional communication and detection are ensured through reasonably arranging the MIMO model, and the method comprises the following specific steps:
step 1.1: evenly dividing warps of the hemispherical structure;
step 1.2: the different numbers of warp threads are distributed unevenly and reasonably according to the length of the warp threads divided in the step 1.1;
step 1.3: and (3) installing an ultraviolet LED and an ultraviolet photosensitive tube at the intersection point of the warps and the wefts divided in the step (1.1) and the step (1.2), and installing a photomultiplier with excellent performance at the vertex of the MIMO structure to improve the ultraviolet detection capability of the MIMO structure and realize omnibearing communication and detection.
Step 1.4: each MIMO structure is numbered, and an ultraviolet LED, an ultraviolet photosensitive tube and a broadcast photomultiplier which are arranged on each MIMO structure are uniquely numbered.
The step 2 is specifically as follows:
the upper and lower parts of the center of the unmanned aerial vehicle body are respectively provided with a hemispherical ultraviolet MIMO communication detection integrated device as shown in fig. 2, and the hemispherical ultraviolet MIMO communication detection integrated device is vertically arranged on the top end of a rotor arm of the rotor unmanned aerial vehicle for realizing omnibearing accurate detection and communication.
The step 3 is specifically as follows:
when the unmanned aerial vehicle enters a detection area, the information such as gunshot flame and the like is passively detected by utilizing an ultraviolet photosensitive tube and a photomultiplier tube of the carried ultraviolet communication detection integrated MIMO device, as shown in fig. 3, and the information such as the number of targets, the movement angular velocity and the like is obtained by judging that the gunshot frequency and the movement information reach ultraviolet agility detection in a refusing environment, so that ultraviolet detection under the refusing condition is realized.
The step 4 is specifically as follows:
and (3) establishing an ultraviolet communication link between unmanned aerial vehicles in the cluster, and transmitting and receiving the ultraviolet information detected in the step (3) between the unmanned aerial vehicles by utilizing ultraviolet communication.
Step 4.1: if an inter-plane ultraviolet communication link is not established between the unmanned aerial vehicle i and the unmanned aerial vehicle j, periodically broadcasting the information of the unmanned aerial vehicle i by using an ultraviolet signal with the wavelength of 245 nm;
step 4.2: and the unmanned aerial vehicle j receives the ultraviolet information sent by the unmanned aerial vehicle i and immediately replies response information, and an inter-machine communication link between the unmanned aerial vehicle i and the unmanned aerial vehicle j is established.
Step 4.3: unmanned aerial vehicle i and unmanned aerial vehicle j utilize the wavelength to carry out duplex communication respectively for 255nm and the ultraviolet signal that the wavelength is 265nm, reach the secret communication under the refusing condition. The ultraviolet link between unmanned aerial vehicles is analyzed by a single scattering method, and the unit impulse response at the time t is as follows:
wherein m is a constant and has a value of 1;
β T for transmitting elevation angle beta R For receiving elevation angle;
θ T is the half angle of divergence angle theta R Is the half angle of the angle of view;
k s and k e Respectively an atmospheric scattering coefficient and an atmospheric extinction coefficient;
c is the speed of light, r is the distance between the transceivers, and t represents the current time.
The ultraviolet communication link between unmanned aerial vehicle machines comprises a main control system, a transmitting module and a receiving module which are connected with the main control system in a signal way, wherein the main control system comprises a RAM data buffer area, a signal modulation module, a main control clock and a signal demodulation module which are connected with the RAM data buffer area in a signal way, the main control clock is connected with the signal modulation module and the signal coding module in a signal way, the signal coding module is connected with the modulation module in a signal way, the main control clock is connected with the signal demodulation module and the signal decoding module in a signal way, the signal demodulation module is connected with the signal decoding module in a signal way, and the main control clock is connected with the link control module in a signal way; the signal decoding module and the signal encoding module are respectively connected with a first communication interface and a second communication interface;
the transmitting module comprises a shaping amplifying circuit, an ultraviolet light source driving module, a transmitting angle, power and light wave length control module and a first lens, wherein the ultraviolet light source driving module is in signal connection with the shaping amplifying circuit; the second communication interface is connected to the shaping amplifying circuit.
The receiving module comprises a signal amplifying and shaping circuit, an ultraviolet detection array and a second lens, wherein the ultraviolet detection array is in signal connection with the signal amplifying and shaping circuit, an ultraviolet light source array is arranged between the ultraviolet detection array and the second lens, the ultraviolet detection array is in signal connection with a receiving angle azimuth control module, the receiving angle azimuth control module is in signal connection with a transmitting angle, power and light wave length control module, and the first communication interface is connected with the signal amplifying and shaping circuit.
Step 4.3 comprises the steps of:
step 4.3.1: the transmitted ultraviolet information is stored in a RAM data buffer area through a main control module as shown in figure 4, the ultraviolet light signal is modulated and encoded, and the data is transmitted to a transmitting module through a communication interface; the main control module controls the transmitting module to adjust the angle, azimuth, wavelength and power of the ultraviolet light source array, and the adjusted ultraviolet light signals are transmitted out through the optical lens;
step 4.3.2: the receiving module filters the received ultraviolet light signals through the optical filter as shown in fig. 4, then converts the light signals into electric signals through the ultraviolet light detector, sends the obtained signals into the main control module after a series of amplification and filtration, and meanwhile, the main control module controls the angle and the azimuth of the ultraviolet detector array at any time through the link control module.
The number of devices and the scale of processing described herein are intended to simplify the description of the invention, and applications, modifications and variations of the invention will be apparent to those skilled in the art.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (6)
1. Unmanned aerial vehicle carries wireless ultraviolet ray MIMO communication detection integrated device, a serial communication port, include:
a hemispherical structure, a plurality of strip wefts are arranged on the surface of the hemispherical structure. A plurality of warps are arranged between every two wefts, each warp is arranged in a non-aligned mode in the vertical direction, and each warp is arranged at intervals in the weft direction;
an ultraviolet LED and an ultraviolet detection piece are arranged at the intersection point of each weft and each warp;
a photomultiplier is arranged at the vertex of the hemispherical structure.
2. The unmanned aerial vehicle-mounted wireless ultraviolet light MIMO communication detection integrated device according to claim 1, wherein the wireless ultraviolet light MIMO communication detection integrated device is arranged on a corresponding surface of the unmanned aerial vehicle body, and the wireless ultraviolet light MIMO communication detection integrated device is vertically fixedly connected to the top end of each rotor wing support arm of the unmanned aerial vehicle.
3. The unmanned aerial vehicle-mounted wireless ultraviolet light MIMO communication detection integrated method according to any one of claims 1-2, comprising the steps of:
s1, designing an ultraviolet MIMO communication detection integrated device;
s2, fixedly connecting a plurality of ultraviolet MIMO communication detection integrated devices on a body of the unmanned aerial vehicle;
s3, the unmanned aerial vehicle detects weak ultraviolet gunshot flame through an ultraviolet MIMO communication detection integrated device, so that an ultraviolet detection function of the unmanned aerial vehicle is realized;
s4, establishing a wireless ultraviolet communication link between unmanned aerial vehicles in the cluster, and transmitting and receiving the ultraviolet information between the unmanned aerial vehicles by utilizing ultraviolet communication with the ultraviolet information detected in the step 3.
4. The unmanned aerial vehicle-mounted wireless ultraviolet light MIMO communication detection integrated device of claim 3, wherein step S1 further comprises the steps of:
s11, uniformly dividing warp threads on the surface of the hemispherical structure;
s12, distributing different numbers of wefts according to the non-uniform and reasonable lengths of the warps;
s13, an ultraviolet LED and an ultraviolet photosensitive tube are arranged at the intersection point of the warp and the weft, and a photomultiplier is arranged at the vertex of the hemispherical structure;
s14, numbering each hemispherical structure, and uniquely numbering an ultraviolet LED, an ultraviolet photosensitive tube and a photomultiplier which are arranged on each hemispherical structure.
5. The unmanned aerial vehicle-mounted wireless ultraviolet light MIMO communication detection integrated device according to claim 4, wherein in the step S3, when an unmanned aerial vehicle enters a detection area, information of gunshot flames is passively detected through an ultraviolet photosensitive tube and a photomultiplier tube in the ultraviolet communication ultraviolet light MIMO communication detection integrated device, and the detected ultraviolet information is analyzed to obtain information of target number and movement angular velocity by judging that the gunshot frequency and movement information reach ultraviolet agility detection in a refusal environment.
6. The unmanned aerial vehicle-mounted wireless ultraviolet light MIMO communication detection integrated device according to claim 3, wherein the step S4 further comprises the following steps of;
s41, if an inter-plane ultraviolet communication link is not established between the unmanned aerial vehicle i and the unmanned aerial vehicle j, periodically broadcasting own information of the unmanned aerial vehicle i by using an ultraviolet signal with the wavelength of 245 nm;
s42, the unmanned aerial vehicle j receives the ultraviolet information sent by the unmanned aerial vehicle i and immediately replies response information, and an inter-machine communication link between the unmanned aerial vehicle i and the unmanned aerial vehicle j is established;
s43, the unmanned aerial vehicle i and the unmanned aerial vehicle j respectively utilize ultraviolet signals with the wavelength of 255nm and 265nm to carry out duplex communication, so as to achieve secret communication under the refusing condition, and the formation adopts an indirect line-of-sight communication mode.
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| CN202310747222.9A CN116800306A (en) | 2023-06-25 | 2023-06-25 | Unmanned aerial vehicle-mounted wireless ultraviolet light MIMO communication detection integrated device and method |
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| CN202310747222.9A CN116800306A (en) | 2023-06-25 | 2023-06-25 | Unmanned aerial vehicle-mounted wireless ultraviolet light MIMO communication detection integrated device and method |
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