CN117890310A - Multimode low-altitude remote sensing observation system based on multiple sensors and hyperspectral imagers - Google Patents
Multimode low-altitude remote sensing observation system based on multiple sensors and hyperspectral imagers Download PDFInfo
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- CN117890310A CN117890310A CN202311774347.7A CN202311774347A CN117890310A CN 117890310 A CN117890310 A CN 117890310A CN 202311774347 A CN202311774347 A CN 202311774347A CN 117890310 A CN117890310 A CN 117890310A
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Abstract
The invention discloses a multi-mode low-altitude remote sensing observation system based on a multi-sensor and a hyperspectral imager, which comprises a low-altitude remote sensing observation nacelle system, a ground signal transmitting unit and a ground control system, wherein the ground signal transmitting unit is connected with the ground control system; the low-altitude remote sensing observation nacelle system is used for carrying out real-time observation and acquisition on environmental information; the ground signal transmitting unit is used for receiving and transmitting control instructions sent by the ground control system; the ground control system is used for sending control instructions to the low-altitude remote sensing observation nacelle system and carrying out data acquisition setting on different scenes according to a planned route in cooperation with the low-altitude remote sensing observation nacelle system. The invention realizes the integration of the optical sensor carried by the optical platform when the remote sensing is carried out in low altitude by integrating the remote sensing observation system, and simultaneously overcomes the defect that the satellite optical remote sensing and the high altitude remote sensing in a common aircraft are frequently blocked by cloud layers and cannot acquire images.
Description
Technical Field
The invention relates to the technical field of low-altitude remote sensing spectral imaging, in particular to a multi-mode low-altitude remote sensing observation system based on a multi-sensor and a hyperspectral imager.
Background
The remote sensing is a science and technology that detects the object ground object by using an electromagnetic wave sensitive instrument such as a remote sensor under the condition of being far away from the object and a non-contact object, acquires the reflected, radiated or scattered electromagnetic wave information (such as information of an electric field, a magnetic field, electromagnetic waves, seismic waves and the like), and extracts, judges, processes, analyzes and applies the electromagnetic wave information.
Aerial remote sensing generally refers to a remote sensing technology system for sensing the ground from an aerial platform such as an airplane, a balloon, an airship and the like. According to flying height, the system is divided into three stages of low altitude (600-3000 m), hollow (3000-10000 m) and high altitude (more than 10000 m), and also comprises ultra-high altitude (U-2 reconnaissance aircraft) and ultra-low altitude aviation remote sensing.
The traditional data acquisition mode using satellites as platforms is widely applied, but the high-resolution influence meeting the requirements is difficult to shoot in the areas with larger influence of weather cloud in the middle and the west, the low-altitude remote sensing of the airship platform is used for playing a good role, the unmanned airship low-altitude remote sensing is used as an indispensable supplementary means for satellite remote sensing, and the defects that the satellite optical remote sensing and the high-altitude remote sensing in a common aircraft are often blocked by cloud layers and cannot acquire images are overcome.
Unmanned airship aerial photography is high in aerial photography efficiency, can be controlled through a monitoring platform, performs targeted aerial photography, and can mainly acquire data of a designated area and take the aerial photography around unqualified images. In addition, the unmanned airship can reach airspace or dangerous areas which cannot be reached by the manned aircraft.
The unmanned airship has high low-altitude remote sensing image resolution, can be hung on multi-sensing shooting equipment such as multi-spectrum cameras (RGB, NIR), hyperspectral cameras, laser radar sensors, thermal infrared imagers, monitoring cameras and the like, and is widely used in industry for realizing fixed-distance or timing shooting by adopting high-precision digital cameras such as Sony, nikon and the like.
The spectrum remote sensing camera is one of important means for obtaining ground remote sensing images, is widely applied to the fields of meteorology, geological exploration, agriculture and forestry, ocean, environment, military, disaster relief and the like, and has huge economic and military benefits. The field of remote sensing information is continuously expanded, the remote sensing technology is also continuously developed, the time resolution and the space resolution of the remote sensing satellite are continuously improved, and the method has wider and wider application prospects.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and aims to solve the problems in the background art by adopting a multi-mode low-altitude remote sensing observation system based on a multi-sensor and a hyperspectral imager.
A multimode low-altitude remote sensing observation system based on a multi-sensor and a hyperspectral imager comprises a low-altitude remote sensing observation nacelle system, a ground signal transmitting unit and a ground control system;
the low-altitude remote sensing observation nacelle system is used for carrying out real-time observation and acquisition on environmental information;
the ground signal transmitting unit is used for receiving and transmitting control instructions sent by a ground control system;
the ground control system is used for sending control instructions to the low-altitude remote sensing observation nacelle system and carrying out data acquisition setting on different scenes according to a planning route in cooperation with the low-altitude remote sensing observation nacelle system.
As a further aspect of the invention: the ground control system comprises a route planning unit for route planning, a cradle head control unit for controlling the cradle head to start and stop, an optical sensor control unit for acquiring images and a power supply control unit for controlling a power supply switch.
As a further aspect of the invention: the low-altitude remote sensing observation nacelle system comprises an optical stability augmentation cradle head, an optical sensing module and a control receiving module.
As a further aspect of the invention: the optical stability augmentation cradle head comprises a first adjusting component for adjusting the pitch angle of the optical stability augmentation cradle head, a second adjusting component for adjusting the roll angle of the optical stability augmentation cradle head, and a cradle head configuration inclinometer for detecting the inclination angle of the cradle head.
As a further aspect of the invention: the optical sensing module comprises an RGB wide-angle wide-field camera, a staring type hyperspectral imager, a thermal infrared imager, a full-color camera and a view finding monitoring camera.
As a further aspect of the invention: the control receiving module comprises a main control computer, a pod power supply, an optical stability-enhancing cradle head control unit and a wireless transparent transmission receiver for receiving ground emission signals.
As a further aspect of the invention: the low-altitude remote sensing observation nacelle system is also provided with an integrated and carried radar walking vehicle for the ground control system.
Compared with the prior art, the invention has the following technical effects:
by adopting the technical scheme, the method is realized. The integration of the optical sensor carried by the optical platform when the remote sensing is carried out in low altitude is realized, and the defect that the satellite optical remote sensing and the high altitude remote sensing in a common aircraft are often shielded by cloud layers and cannot acquire images is overcome. Has great significance for aviation remote sensing detection, and can be widely applied to the fields of meteorology, geological exploration, agriculture and forestry, ocean, environment, military, disaster relief and the like.
Drawings
The following detailed description of specific embodiments of the invention refers to the accompanying drawings, in which:
FIG. 1 is a simplified block diagram of a system according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a low-altitude remote sensing observation pod system according to an embodiment of the disclosure;
fig. 3 is a schematic structural diagram of an optical stability augmentation cradle head according to an embodiment of the disclosure;
FIG. 4 is a system design architecture diagram of an embodiment of the present disclosure.
In the figure: 1001. a ground control system; 1002. a low-altitude remote sensing observation nacelle system; 1003. a ground signal transmitting unit; 1004. a radar walking vehicle; 1005. a route planning unit; 1006. a cradle head control unit; 1007. an optical sensor control unit; 1. a main control computer; 2. a pod power supply; 3. an optical stability augmentation cradle head control unit; 4. a gaze hyperspectral imager; 5. wide angle wide field of view camera; 6. an optical stability augmentation cradle head; 7. a full color camera; 8. an infrared thermal imager; 9. a monitoring camera; 10. a cradle head support frame; 11. a first adjustment assembly; 12. a second adjustment assembly.
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, in an embodiment of the present invention, a multi-mode low-altitude remote sensing observation system based on a multi-sensor and a hyperspectral imager includes a low-altitude remote sensing observation nacelle system 1002, a ground signal transmitting unit 1003, and a ground control system 1001;
in a specific embodiment, the low-altitude remote sensing observation nacelle system 1002 is configured to observe and collect environmental information in real time;
in this embodiment, the low-altitude remote sensing observation nacelle system 1002 includes an optical stability augmentation cradle head 6, an optical sensing module, and a control receiving module. Meanwhile, the low-altitude remote sensing observation nacelle system 1002 is further provided with a radar walking vehicle 1004 which is used for being integrally carried by the ground control system 1001, and the control receiving module comprises a main control computer 1, a nacelle power supply 2 and a wireless transparent transmission receiver which is used for receiving ground emission signals.
Specifically, as shown in fig. 2, a schematic structural diagram of a low-altitude remote sensing observation nacelle system 1002 is illustrated, and the main structure of the system includes: the system comprises a main control computer 1, a pod power supply 2, an optical stability augmentation cradle head 6 control unit 3, a 400-950nm staring hyperspectral imager 4, an RGB wide-angle wide-field camera 5, an optical stability augmentation cradle head 6, a full-color camera 7, a thermal infrared imager 8 and a monitoring camera 9.
In a specific embodiment, the ground signal transmitting unit 1003 is configured to receive and transmit a control instruction sent by the ground control system 1001;
specifically, the ground signal transmitting unit 1003 can control the low-altitude remote sensing observation nacelle system 1002 to control the main control computer 1 to execute the control information of the input user, so as to control the course, shooting action and the like of the remote sensing observation nacelle;
in a specific embodiment, the ground control system 1001 is configured to send a control instruction to the low-altitude remote sensing observation nacelle system 1002, and perform data acquisition setting for different scenes according to a planned route in cooperation with the low-altitude remote sensing observation nacelle system 1002.
The shooting state of the low-altitude remote sensing observation nacelle system 1002 is determined by the relevant information such as the route setting, the cradle head start and stop, the shooting action of the optical sensor, the power on and off and the like.
In this embodiment, the ground control system 1001 includes a route planning unit 1005 for route planning, a cradle head control unit 1006 for controlling the start and stop of a cradle head, an optical sensor control unit 1007 for capturing images, and a power supply control unit for controlling a power supply switch.
In this embodiment, the optical stability augmentation cradle head 6 includes a first adjusting component 11 for adjusting a pitch angle of the optical stability augmentation cradle head 6, a second adjusting component 12 for adjusting a roll angle of the optical stability augmentation cradle head 6, and a cradle head configuration inclinometer for detecting a cradle head inclination angle.
Specifically, the platform of the optical stability augmentation cradle head 6 is connected with the first adjusting component 11 and the second adjusting component 12, so that two degrees of freedom of movement of the camera can be satisfied: every pitching slope and roll slope all install the motor in every axle center of every adjusting part, when unmanned airship inclines, can cooperate the inclinometer equally to strengthen the power of opposite direction for corresponding cloud platform motor, prevent that the camera from following unmanned airship "tilting" to avoid the camera shake, guarantee that the picture is clear stable. The omnibearing and multi-angle information acquisition is realized through the overturning of the optical stability augmentation cradle head 6. The optical sensor and the controller power supply box are installed through the mechanical interface, the posture is fixed, the posture change is controlled through the driving of the cradle head, and the structure is firm, flexible and reliable.
In this embodiment, the optical sensing module includes an RGB wide-angle wide-field camera 5, a staring hyperspectral imager 4, a thermal infrared imager 8, a full-color camera 7, and a framing surveillance camera 9.
Specifically, as shown in fig. 3, the structure diagram of the optical stability enhancement cradle head 6 is illustrated, the optical stability enhancement cradle head 6 is connected with the nacelle through a cradle head support frame 10, the bottom is provided with an RGB wide-angle wide-view camera 5 (Canon EOS-1Ds Mark II), a 400-950nm band hyperspectral camera 4 (Wayho industrial camera SHIS series, SHIS-N220), a full color camera 7 (DAHENG company MER2 series, MER-503-36U 3M/C) and a thermal infrared imager 8 (Teledyne FLIR company S3000 thermal infrared imager 8), and a monitoring camera 9 (TP-LINK visual security series, TL-IPC 5320E-DG). The multi-layer information data can be obtained by carrying different sensors, so that not only can the geometric outline data of a large visual field be recorded, but also picture information, infrared heat map data and hyperspectral data can be acquired.
As shown in fig. 4, a system design architecture diagram is illustrated, and a ground control system 1001 controls a main control computer 1 to control a cradle head device, a sensor device, a power supply and the like of a nacelle system through transmitting signals by a ground transmitting unit. The optical stability augmentation cradle head 6 is controlled by the nacelle system main control computer 1, and the optical stability augmentation cradle head 6 is provided with an inclinometer, so that the attitude information of the cradle head in rolling and pitching can be accurately obtained, and the cradle head can be controlled to correct the camera attitude conveniently. The various camera sensors collect image spectrum information in real time, and then the attitude parameters and the shot image data are transmitted to the main control computer 1 and stored in the storage equipment for later correction processing of remote sensing data. The space, spectrum and radiation information of the ground object are comprehensively obtained through different camera sensors, and the method can be widely applied to the fields of weather, geological exploration, agriculture and forestry, ocean, environment, military, disaster relief and the like.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (7)
1. The multi-mode low-altitude remote sensing observation system based on the multi-sensor and the hyperspectral imager is characterized by comprising a low-altitude remote sensing observation nacelle system, a ground signal transmitting unit and a ground control system;
the low-altitude remote sensing observation nacelle system is used for carrying out real-time observation and acquisition on environmental information;
the ground signal transmitting unit is used for receiving and transmitting control instructions sent by a ground control system;
the ground control system is used for sending control instructions to the low-altitude remote sensing observation nacelle system and carrying out data acquisition setting on different scenes according to a planning route in cooperation with the low-altitude remote sensing observation nacelle system.
2. The multi-mode low-altitude remote sensing observation system based on the multi-sensor and the hyperspectral imager as claimed in claim 1, wherein the ground control system comprises a route planning unit for route planning, a cradle head control unit for controlling the cradle head to start and stop, an optical sensor control unit for acquiring images, and a power supply control unit for controlling a power supply switch.
3. The multi-mode low-altitude remote sensing observation system based on the multi-sensor and the hyperspectral imager as claimed in claim 1, wherein the low-altitude remote sensing observation nacelle system comprises an optical stability augmentation cradle head, an optical sensing module and a control receiving module.
4. The multi-mode low-altitude remote sensing observation system based on the multi-sensor and the hyperspectral imager according to claim 3, wherein the optical stability augmentation cradle head comprises a first adjusting component for adjusting a pitch angle of the optical stability augmentation cradle head, a second adjusting component for adjusting a roll angle of the optical stability augmentation cradle head, and a cradle head configuration inclinometer for detecting an inclination angle of the cradle head.
5. The multi-sensor and hyperspectral imager-based multi-mode low altitude remote sensing observation system according to claim 3 wherein the optical sensing module comprises an RGB wide-angle wide-field camera, a staring hyperspectral imager, a thermal infrared imager, a panchromatic camera, and a framing surveillance camera.
6. The multi-mode low-altitude remote sensing observation system based on the multi-sensor and the hyperspectral imager as claimed in claim 3, wherein the control receiving module comprises a main control computer, a pod power supply, an optical stability-enhancing holder control unit and a wireless transparent transmission receiver for receiving ground emission signals.
7. A multi-mode low altitude remote sensing observation system based on a multi-sensor and hyperspectral imager as claimed in claim 3 wherein the low altitude remote sensing observation pod system is further provided with an integrated portable radar cart for a ground control system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311774347.7A CN117890310A (en) | 2023-12-21 | 2023-12-21 | Multimode low-altitude remote sensing observation system based on multiple sensors and hyperspectral imagers |
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| CN202311774347.7A CN117890310A (en) | 2023-12-21 | 2023-12-21 | Multimode low-altitude remote sensing observation system based on multiple sensors and hyperspectral imagers |
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| CN202311774347.7A Pending CN117890310A (en) | 2023-12-21 | 2023-12-21 | Multimode low-altitude remote sensing observation system based on multiple sensors and hyperspectral imagers |
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