CN110949640A - Satellite navigation-based maritime rescue method and system - Google Patents
Satellite navigation-based maritime rescue method and system Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000012545 processing Methods 0.000 claims description 37
- 238000003384 imaging method Methods 0.000 claims description 26
- 230000006698 induction Effects 0.000 claims description 26
- 238000001514 detection method Methods 0.000 claims description 19
- 230000036760 body temperature Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/01—Air-sea rescue devices, i.e. equipment carried by, and capable of being dropped from, an aircraft
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/20—Instruments for performing navigational calculations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/60—Radiation pyrometry, e.g. infrared or optical thermometry using determination of colour temperature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C2009/0017—Life-saving in water characterised by making use of satellite radio beacon positioning systems, e.g. the Global Positioning System [GPS]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J2005/0077—Imaging
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Automation & Control Theory (AREA)
- Aviation & Aerospace Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Navigation (AREA)
Abstract
The invention relates to the technical field of marine rescue, and discloses a satellite navigation-based marine rescue method and a satellite navigation-based marine rescue system. According to the invention, the Beidou satellite positioning module, the path judging unit, the wind speed detecting module, the wind direction judging module, the wind direction predicting module, the wind speed predicting module, the calculating unit and the distance estimating module are arranged, and the positions of the help-seeking personnel are predicted by using the path judging unit, so that the condition that the rescue position is inaccurately positioned due to too much storm on the sea is prevented, and a great amount of time is saved for the help-seeking personnel.
Description
Technical Field
The invention relates to the technical field of marine rescue, in particular to a satellite navigation-based marine rescue method and a satellite navigation-based marine rescue system.
Background
The Global Navigation Satellite System (GNSS) utilizes a Navigation Satellite to perform timing, positioning and ranging, and can realize all-weather and all-round continuous supply of real-time high-precision three-dimensional space, speed and time information for users on the sea, on land and in the air all over the world. Currently, GNSS includes GPS in the united states, GLONASS in russia, Galileo system in the european union, and beidou navigation system in china, taking GPS system as an example, the system mainly consists of three parts, namely a space part, a ground control part, and a user device part. The space portion consists of 24 satellites, distributed over 6 track planes. The ground control part consists of a main control station which is responsible for managing and coordinating the work of the whole ground control system, a ground antenna which injects a paging message into a satellite under the control of the main control station, a monitoring station which is used as an automatic data collection center and a communication auxiliary system. The user device part mainly consists of a GPS receiver and a satellite antenna.
Although the existing GPS can realize accurate positioning, the existing GPS still has some defects when used on the sea, as sea surface stormy waves are large, the search and rescue time is long, the position of the help-seeking personnel is changed all the time, the specific position of the help-seeking personnel cannot be determined, and the information is soaked in the sea water for a long time, so that the vital sign conditions of each help-seeking personnel are different, the weak vital signs of the help-seeking personnel cannot be rescued in advance in the rescue process, and a large amount of time is wasted.
Disclosure of Invention
The invention aims to provide a satellite navigation-based maritime rescue method and a satellite navigation-based maritime rescue system, which are used for achieving the purposes of conveniently determining the specific position of a person asking for help and carrying out rescue aiming at the person asking for help with the vital sign weakness in advance.
In order to achieve the purpose, the invention provides the following technical scheme: a marine rescue system based on satellite navigation comprises a ground central processing unit, a positioning system, a marine central processing unit and a vital sign analysis system, wherein the signal output end of the ground central processing unit is in signal connection with the signal output end of the positioning system, the signal output end of the marine central processing unit is in signal connection with the signal input end of the ground central processing unit, and the signal output end of the ground central processing unit is in signal connection with the signal input end of the vital sign analysis system.
The positioning system comprises a Beidou satellite positioning module, a path judging unit, a distance estimating module and a calculating unit, wherein a wind speed detecting module, a wind direction judging module, a wind speed predicting module and a wind direction predicting module are arranged in the path judging unit, the signal output end of the Beidou satellite positioning module is in signal connection with the signal input end of the path judging unit, the signal output end of the path judging unit is in signal connection with the signal input end of the distance estimating module, and the signal output end of the distance estimating module is in signal connection with the signal input end of the calculating unit.
The vital signs analysis system comprises a vital signs detection unit, a thermal induction imaging module, an identification module, a database, a comparison module, a color analysis module and a judgment module, wherein the signal output end of the vital signs detection unit is in signal connection with the signal input end of the thermal induction imaging module, the signal output end of the thermal induction imaging module is in signal connection with the signal input end of the identification module, the signal output end of the identification module is in signal connection with the signal output end of the database, the signal output end of the database is in signal connection with the signal input end of the comparison module, the signal output end of the comparison module is in signal connection with the signal input end of the color analysis module, and the signal output end of the color analysis module is in signal connection with.
Preferably, the signal output end of the ground central processing unit is in signal connection with the signal input end of the driving unit, and the signal output end of the driving unit is in signal connection with the unmanned aerial vehicle.
Preferably, the vital sign detection unit and the thermal induction imaging module are both mounted on the surface of the unmanned aerial vehicle.
Preferably, the signal output end of the positioning system is in signal connection with the signal input end of the second feedback unit, and the signal output end of the second feedback unit is in signal connection with the signal input end of the ground central processing unit.
Preferably, the signal output end of the vital sign analysis system is in signal connection with the signal input end of the feedback unit, and the signal output end of the feedback unit is in signal connection with the signal input end of the ground central processing unit.
A maritime rescue method based on satellite navigation comprises the following steps:
s1, when danger is met, the offshore central processing unit transmits the signal to the ground central processing unit;
s2, the ground central processing unit determines the position of the person seeking help through a Beidou satellite positioning module in the positioning system, and then the unmanned aerial vehicle is judged where the unmanned aerial vehicle needs to travel through the path judging unit.
And S3, dispatching the rescued unmanned aerial vehicle through the driving unit.
S4, after the unmanned aerial vehicle arrives at the ground, the body temperature of the person seeking help is displayed through a vital sign detection unit and a thermal induction imaging module in the vital sign analysis system, and whether the body temperature of the person seeking help is identified through an identification module, a database and a comparison module.
And S5, finally, analyzing the change of the color temperature in the thermal induction imaging module by using a color analysis module, and analyzing that the color temperature is lighter in color and larger in color temperature change and is in urgent need of rescue, thereby judging which rescue workers need to rescue in advance.
The invention provides a maritime rescue method and a maritime rescue system based on satellite navigation. The method has the following beneficial effects:
(1) according to the invention, the Beidou satellite positioning module, the path judging unit, the wind speed detecting module, the wind direction judging module, the wind direction predicting module, the wind speed predicting module, the calculating unit and the distance estimating module are arranged, and the position of the help-seeking personnel is predicted by using the path judging unit, so that the condition that the rescue position is inaccurately positioned easily due to too much storm on the sea is prevented, and a great amount of time is saved for the help-seeking personnel.
(2) According to the invention, the vital sign detection unit, the thermal induction imaging module, the identification module, the database, the comparison module, the color analysis module and the judgment module are arranged, the thermal induction imaging module is utilized to image and embody the vital condition of the help seeker, and the color analysis module is used to analyze the loss and the storage of the body heat of the help seeker, so that the help seeker with weak vital signs can be conveniently rescued.
Drawings
FIG. 1 is a block diagram of a satellite navigation based rescue system of the present invention;
FIG. 2 is a block diagram of a positioning system in the satellite navigation-based rescue at sea system of the present invention;
FIG. 3 is a block diagram of a life feature analysis system in the satellite navigation-based rescue at sea system of the present invention;
fig. 4 is a flowchart of the satellite navigation-based rescue at sea method of the present invention.
In the figure: the system comprises a ground central processing unit 1, a positioning system 2, a Beidou satellite positioning module 201, a path judgment unit 202, a wind speed detection module 2021, a wind direction judgment module 2022, a wind direction prediction module 2023, a wind speed prediction module 2024, a calculation unit 203, a distance estimation module 204, a marine central processing unit 3, a vital sign analysis system 4, a vital sign detection unit 401, a thermal induction imaging module 402, a 403 identification module 404, a database 404, a 405 comparison module, a 406 color analysis module, a 407 judgment module, a feedback unit II 5, a driving unit 6, an unmanned aerial vehicle 7 and a feedback unit I8.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 4, the present invention provides a technical solution: a sea rescue system based on satellite navigation comprises a ground central processing unit 1, a positioning system 2, a sea central processing unit 3 and a vital sign analysis system 4, wherein the signal output end of the ground central processing unit 1 is in signal connection with the signal output end of the positioning system 2, the signal output end of the sea central processing unit 3 is in signal connection with the signal input end of the ground central processing unit 1, the signal output end of the ground central processing unit 1 is in signal connection with the signal input end of the vital sign analysis system 4, the signal output end of the ground central processing unit 1 is in signal connection with the signal input end of a driving unit 6, the signal output end of the driving unit 6 is in signal connection with an unmanned aerial vehicle 7, the signal output end of the positioning system 2 is in signal connection with the signal input end of a feedback unit II 5, the signal output end of the feedback unit II 5 is in signal connection with, and the signal output end of the first feedback unit 8 is in signal connection with the signal input end of the ground central processing unit 1.
The positioning system 2 comprises a Beidou satellite positioning module 201, a path judgment unit 202, a distance estimation module 204 and a calculation unit 203, wherein a wind speed detection module 2021, a wind direction judgment module 2022, a wind speed prediction module 2024 and a wind direction prediction module 2023 are arranged in the path judgment unit 202, the signal output end of the Beidou satellite positioning module 201 is in signal connection with the signal input end of the path judgment unit 202, the signal output end of the path judgment unit 202 is in signal connection with the signal input end of the distance estimation module 204, the signal output end of the distance estimation module 204 is in signal connection with the signal input end of the calculation unit 203, and the positions of the help-seeking personnel are predicted by the path judgment unit 202 through arranging the Beidou satellite positioning module 201, the path judgment module 202, the wind speed detection module 2021, the wind direction judgment module 2022, the wind direction prediction module 2023, the wind speed prediction module 2024, the condition that the rescue position is inaccurately positioned easily due to too much wind and waves on the large sea is prevented, and a large amount of time is saved for the rescue workers.
The vital signs analysis system 4 comprises a vital signs detection unit 401, a thermal induction imaging module 402, an identification module 403, a database 404, a comparison module 405, a color analysis module 406 and a judgment module 407, wherein the vital signs detection unit 401 and the thermal induction imaging module 402 are both fixedly mounted on the surface of the unmanned aerial vehicle 7, the signal output end of the vital signs detection unit 401 is in signal connection with the signal input end of the thermal induction imaging module 402, the signal output end of the thermal induction imaging module 402 is in signal connection with the signal input end of the identification module 403, the signal output end of the identification module 403 is in signal connection with the signal output end of the database 404, the signal output end of the database 404 is in signal connection with the signal input end of the comparison module 405, the signal output end of the comparison module 405 is in signal connection with the signal input end of the color analysis module 406, and the, by arranging the vital sign detection unit 401, the thermal induction imaging module 402, the identification module 403, the database 404, the comparison module 405, the color analysis module 405 and the judgment module 406, the life condition of the person seeking help is imaged and embodied by the thermal induction imaging module 402, and the loss amount and the remaining amount of body heat of the person seeking help are analyzed by the color analysis module 405, so that the person seeking help with weak vital signs can be conveniently rescued.
A maritime rescue method based on satellite navigation comprises the following steps:
s1, when danger is met, the offshore central processing unit transmits the signal to the ground central processing unit;
s2, the ground central processing unit determines the position of the person seeking help through a Beidou satellite positioning module in the positioning system, and then the path judgment unit judges where the unmanned aerial vehicle needs to drive;
s3, dispatching the rescued unmanned aerial vehicle through the driving unit;
s4, after the unmanned aerial vehicle arrives at the ground, the body temperature of the person seeking help is displayed through the vital signs detection unit and the thermal induction imaging module in the vital signs analysis system, whether the body temperature of the person seeking help is recognized through the recognition module, the database and the comparison module, according to the color depth displayed by the thermal induction imaging module, the darker color is higher, the lighter color is lower, the body temperature of the person seeking help or other organisms in the sea can be judged, and the body temperature of the organisms in the sea is far lower than that of the person seeking help, so that the body temperature of the organisms in the sea is very easy to recognize.
And S5, finally, analyzing the change of the color temperature in the thermal induction imaging module by using a color analysis module, and analyzing that the color temperature is lighter in color and larger in color temperature change and is in urgent need of rescue, thereby judging which rescue workers need to rescue in advance.
In summary, the Beidou satellite positioning module 201, the path judging unit 202, the wind speed detecting module 2021, the wind direction judging module 2022, the wind direction predicting module 2023, the wind speed predicting module 2024, the calculating unit 203 and the distance estimating module 204 are arranged, and the position of the help-seeking person is predicted by the path judging unit 202, so that the condition that the rescue position is inaccurately positioned due to too much sea storm is prevented, and a lot of time is saved for the help-seeking person.
By arranging the vital sign detection unit 401, the thermal induction imaging module 402, the identification module 403, the database 404, the comparison module 405, the color analysis module 405 and the judgment module 406, the life condition of the person seeking help is imaged and embodied by the thermal induction imaging module 402, and the loss amount and the remaining amount of body heat of the person seeking help are analyzed by the color analysis module 405, so that the person seeking help with weak vital signs can be conveniently rescued.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a marine rescue system based on satellite navigation, includes ground central processing unit, positioning system, marine central processing unit and vital signs analytic system, its characterized in that: the signal output end of the ground central processing unit is in signal connection with the signal output end of the positioning system, the signal output end of the offshore central processing unit is in signal connection with the signal input end of the ground central processing unit, and the signal output end of the ground central processing unit is in signal connection with the signal input end of the vital sign analysis system;
the positioning system comprises a Beidou satellite positioning module, a path judging unit, a distance estimating module and a calculating unit, wherein a wind speed detecting module, a wind direction judging module, a wind speed predicting module and a wind direction predicting module are arranged in the path judging unit;
the vital signs analysis system comprises a vital signs detection unit, a thermal induction imaging module, an identification module, a database, a comparison module, a color analysis module and a judgment module, wherein the signal output end of the vital signs detection unit is in signal connection with the signal input end of the thermal induction imaging module, the signal output end of the thermal induction imaging module is in signal connection with the signal input end of the identification module, the signal output end of the identification module is in signal connection with the signal output end of the database, the signal output end of the database is in signal connection with the signal input end of the comparison module, the signal output end of the comparison module is in signal connection with the signal input end of the color analysis module, and the signal output end of the color analysis module is in signal connection with.
2. A satellite navigation based rescue system as claimed in claim 1, wherein: the ground central processing unit signal output end is in signal connection with the driving unit signal input end, and the driving unit signal output end is in signal connection with the unmanned aerial vehicle.
3. A satellite navigation based rescue system as claimed in claim 2, wherein: the vital sign detection unit and the thermal induction imaging module are both installed on the surface of the unmanned aerial vehicle.
4. A satellite navigation based rescue system as claimed in claim 1, wherein: and the signal output end of the positioning system is in signal connection with the signal input end of the second feedback unit, and the signal output end of the second feedback unit is in signal connection with the signal input end of the ground central processing unit.
5. A satellite navigation based rescue system as claimed in claim 1, wherein: the signal output end of the vital sign analysis system is in signal connection with the signal input end of the feedback unit, and the signal output end of the feedback unit is in signal connection with the signal input end of the ground central processing unit.
6. A maritime rescue method based on satellite navigation is characterized by comprising the following steps: the method comprises the following steps:
s1, when danger is met, the offshore central processing unit transmits the signal to the ground central processing unit;
s2, the ground central processing unit determines the position of the person seeking help through a Beidou satellite positioning module in the positioning system, and then the path judgment unit judges where the unmanned aerial vehicle needs to drive;
s3, dispatching the rescued unmanned aerial vehicle through the driving unit;
s4, after the unmanned aerial vehicle arrives at the ground, the body temperature of the person seeking help is displayed through a vital sign detection unit and a thermal induction imaging module in the vital sign analysis system, and whether the body temperature of the person seeking help is identified through an identification module, a database and a comparison module;
and S5, finally, analyzing the change of the color temperature in the thermal induction imaging module by using a color analysis module, and analyzing that the color temperature is lighter in color and larger in color temperature change and is in urgent need of rescue, thereby judging which rescue workers need to rescue in advance.
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Cited By (1)
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| CN112319741A (en) * | 2020-10-19 | 2021-02-05 | 浙江海洋大学 | Intelligent search and rescue method and system for offshore unmanned aerial vehicle |
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