CN114838743A - Grating array coding method and device for airport runway safety monitoring - Google Patents
Grating array coding method and device for airport runway safety monitoring Download PDFInfo
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- G01D5/268—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light using optical fibres
Abstract
The invention relates to a grating array coding method and a device for airport runway safety monitoring, wherein the method comprises the following steps: acquiring a functional area and an engineering structure of an airport field channel laid with a grating array optical cable, dividing grid units and determining parameters to be detected according to the functional area and the engineering structure; determining laying optical cable information according to the functional area, the structural grid unit and the parameter to be detected, and obtaining measurement area information according to the laying optical cable information; and coding the grating array optical cable for airport runway safety monitoring according to the functional area, the structural grid unit, the parameter to be detected, the laying optical cable information and the measuring area information to obtain a coded grating array. The invention discloses a grating array coding method for airport runway safety monitoring, which automatically associates airport runway engineering structure grid units with grating array sensing units to realize various intelligent functions of a fiber grating array sensing airport runway monitoring system.
Description
Technical Field
The invention relates to the technical field of airport flight area runway safety monitoring, in particular to a grating array coding method and a grating array coding device for airport runway safety monitoring.
Background
In recent years, with the rapid increase of travel and logistics transportation traffic, the number of airplane taking-off and landing frames is increased, the flight density is increased, and the airport operation time is prolonged. The direct influence is that the damage frequency of basic facilities such as airport lanes and the like is increased, the service life is reduced, and meanwhile, the skylight time for overhauling and maintaining is shortened, so that the safety management pressure and the operation and maintenance cost of the airport are increased rapidly. Therefore, advanced sensing technology is urgently needed to be adopted to comprehensively and real-timely monitor various performance parameters of the airport runway pavement engineering structure, predict and evaluate the health condition of the runway pavement and provide scientific basis for daily operation management and efficient scientific maintenance of the airport runway pavement, so that an intelligent operation and maintenance management mechanism is worked out, risks are effectively controlled, the management efficiency is improved, the maintenance operation intensity is reduced, and the operation cost is reduced.
In the existing monitoring technology, for monitoring various carriers (such as airplanes, vehicles and the like) on an airport runway, image acquisition and positioning technologies such as videos, radars, GPS and the like are generally adopted at present, but the technologies can only acquire information such as the position and the speed of the carrier and cannot acquire the response of the carrier to the structure of the runway and the internal information of the runway; aiming at monitoring key areas such as rising and falling of an airport runway, the traditional electrical sensing technology is mostly adopted at present, in recent years, some airports also adopt the optical fiber sensing technology, although the multi-parameter monitoring of a local area can be realized, most of the technologies are based on point sensors, large-scale networking is difficult, remote signal transmission is difficult, monitoring can be only carried out in a local area and a limited range of an airport runway, comprehensive and multi-parameter information of the airport runway cannot be obtained, and automatic monitoring and intelligent management of the state of the airport runway are difficult to realize.
Therefore, it is necessary to provide an airport runway safety monitoring and encoding method based on fiber grating array sensing technology, which can construct an airport runway intelligent monitoring system, realize full-time and global monitoring of airport runways, obtain both airplane load information and airport runway pavement state information in real time, and automatically associate an engineering structure grid unit with a sensing unit of a fiber grating array sensing network, thereby realizing various intelligent monitoring functions of the monitoring system.
Disclosure of Invention
In view of the above, it is necessary to provide a grating array encoding method and apparatus for airport runway safety monitoring, which automatically associates the airport runway engineering structure grid unit with the grating array sensing unit, so as to implement various intelligent functions of the airport runway safety monitoring system based on the fiber grating array sensing network.
The invention provides a grating array coding method for airport runway safety monitoring, which comprises the following steps:
acquiring a functional area and an engineering structure of an airport field channel laid with a grating array optical cable, dividing structural grid units according to the functional area and the engineering structure, and determining parameters to be detected;
determining laying optical cable information according to the functional area, the structural grid unit and the parameter to be detected, and obtaining measurement area information according to the laying optical cable information;
and coding the grating array optical cable according to the functional area, the structural grid unit, the parameter to be detected, the laying optical cable information and the measuring area information to obtain a coded grating array.
Further, determining the parameter to be detected according to the functional area and the engineering structure comprises:
and determining the parameter to be detected by using the functional area, the engineering structure and the first preset rule.
Further, the information about the laid optical cables includes information about the type of the optical cables, information about the serial numbers of the optical cables, and information about the laying positions of the optical cables.
Further, obtaining survey area information according to the cabling optical cable information, including:
and obtaining survey area information by using the laying optical cable information and a second preset rule.
Furthermore, the measurement area information includes temperature measurement area information, vibration measurement area information, strain measurement area information, and measurement area number information.
Further, encoding the grating array optical cable according to the functional area, the structural grid unit, the parameter to be detected, the laying optical cable information and the measuring area information, and the method comprises the following steps:
and coding the grating array optical cable for airport runway monitoring according to a preset coding rule, the functional area, the structural grid unit, the parameter to be detected, the laying optical cable information and the measuring area information.
Further, still include:
and monitoring the airport runway safety according to the coded grating array optical cable.
The invention also provides a grating array coding device for airport runway safety monitoring, which comprises an information acquisition module, an information processing module and a coding module;
the information acquisition module is used for acquiring a functional area and an engineering structure of the airport runway paved with the grating array optical cable, dividing structural grid units and determining parameters to be detected according to the functional area and the engineering structure;
the information processing module is used for determining laying optical cable information according to the functional area, the structural grid unit and the parameter to be detected and obtaining measuring area information according to the laying optical cable information;
and the coding module is used for coding the grating array optical cable according to the functional area, the structural grid unit, the parameter to be detected, the laying optical cable information and the measuring area information to obtain a coded grating array.
The invention further provides an electronic device, which comprises a memory and a processor, wherein the memory stores a computer program, and when the computer program is executed by the processor, the raster array coding for airport runway security monitoring according to any technical scheme is realized.
The invention also provides a computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements a grating array encoding for airport runway security monitoring as described in any of the above-mentioned technical solutions.
The beneficial effects of adopting the above embodiment are: the invention provides a grating array coding method for airport runway safety monitoring, which is used for coding a grating array optical cable for airport runway safety monitoring by acquiring a functional area, an engineering structure, parameters to be detected, laying optical cable information and measuring area information of an airport runway on which a grating array optical cable is laid, and automatically associating an airport runway engineering structure grid unit with a grating array sensing unit so as to realize various intelligent functions of an airport runway safety monitoring system based on an optical fiber grating array sensing network.
Drawings
FIG. 1 is a schematic flow chart illustrating an embodiment of a grating array encoding method for airport runway security monitoring according to the present invention;
fig. 2 is a schematic diagram of the division of the grid cells of the airport runway engineering structure provided in the embodiment of the present invention;
fig. 3 is a schematic view of an airport runway cable laying method provided in an embodiment of the present invention;
FIG. 4 is a block diagram of an embodiment of a grating array encoding apparatus for airport runway security monitoring provided in the present invention;
fig. 5 is a block diagram of an embodiment of an electronic device provided in the present invention.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
The invention provides a grating array coding method, a grating array coding device and a computer readable storage medium for airport runway safety monitoring, which are respectively explained in detail below.
The embodiment of the invention provides a grating array coding method for airport runway safety monitoring, which has a flow schematic diagram, as shown in fig. 1, and comprises the following steps:
s101, acquiring a functional area and an engineering structure of an airport field channel laid with a grating array optical cable, dividing structural grid units and determining parameters to be detected according to the functional area and the engineering structure;
step S102, determining laying optical cable information according to the functional area, the structural grid unit and the parameter to be detected, and obtaining measuring area information according to the laying optical cable information;
and S103, coding the grating array optical cable according to the functional area, the structural grid unit, the parameter to be detected, the laying optical cable information and the measuring area information to obtain a coded grating array.
The embodiment of the invention codes the grating array optical cable for airport runway safety monitoring by acquiring the functional area, the engineering structure, the parameter to be detected, the laying optical cable information and the measuring area information of the airport runway on which the grating array optical cable is laid, and automatically associates the airport runway engineering structure grid unit with the grating array sensing unit so as to realize various intelligent functions of the airport runway safety monitoring system based on the fiber grating array sensing network.
In some embodiments of the present invention, the functional area of the airport runway refers to an area with different usage modes or purposes in the airport runway, and the airport runway functional area comprises: airport runways (Runway), taxiways (taxi), tie-ways (taxi), and tarmac (parkingapron);
the engineering structure of the airport runway refers to a runway surface structure with different structural requirements and bearing requirements for the airport runway.
In a specific embodiment, a mesh unit division diagram of the airport runway structure is shown in fig. 2. The structural grid unit is formed by dividing grid lines into grid units by using transverse and longitudinal expansion joints of the airport runway pavement, and the number of the formed structural grid unit is G m×n And expressing that m is the number of the tracks divided by the cutting line of the longitudinal expansion joint of the runway, and n is the number of the units divided by the cutting line of the transverse expansion joint of the runway.
The functional areas except the airport runway comprise the functional areas such as taxiways, communication lanes, air planes and the like, and the dividing method of the grid units of the runway surface structure is similar to that of the airport runway.
As a preferred embodiment, determining the parameter to be detected according to the functional region and the engineering structure includes:
and determining the parameter to be detected by using the functional area, the engineering structure and the first preset rule.
Specifically, the parameter to be detected refers to a parameter measurable by the grating array, the parameter to be detected includes but is not limited to a Vibration (Vibration) parameter, a Strain parameter (Strain), a Temperature (Temperature) parameter and the like, the Vibration parameter is measured by a Vibration optical cable, the Strain parameter is measured by a Strain optical cable, the Temperature parameter is measured by a Temperature optical cable, and the Vibration optical cable, the Strain optical cable and the Temperature optical cable are all grating arrays.
The description of the grating array is presented here: the grating array refers to a continuous grating string which is prepared in a large scale by adopting a wire drawing tower.
It should be understood that: the grating array is not limited to the name, as long as the continuous grating string prepared in a wire drawing tower in a large scale is the grating array, in other examples, the grating array may also be referred to as a continuous grating, a continuous grating array, a continuous low-reflectivity grating, a continuous weak grating, a weak grating array, a low-reflectivity grating array, and the like.
The term grating can be replaced by "fiber grating".
The grating array has the following technical advantages:
1. scale advantages: the sensor has the advantages of multiple measuring points, large capacity, high sensitivity and long distance.
2. The multi-parameter monitoring advantages are as follows: the grating array temperature sensing network, the grating array vibration sensing network and the grating array strain sensing network with large capacity can be constructed.
3. The advantages of simple and convenient installation and construction and low scale cost are as follows: the grating array is protected through an industrialized cabling process and technology, so that external damage or foreign matter damage can be effectively isolated, the sensing capacity can be protected from being influenced, and the tolerance of the grating array to damage of severe external environments, engineering construction and other factors on site is greatly improved.
4. The cost advantage is as follows: the large-scale wire drawing preparation and industrialized cabling can be realized, and the installation and construction process is simple, so that the single-measuring-point apportionment cost is low, and the overall cost is economic.
In a specific embodiment, the optical cable is laid on the airport runway in the functional area of the airport to analyze so as to determine the parameter to be detected, the schematic diagram of the laying mode of the optical cable on the airport runway is shown in fig. 3, the area marked by '1' in the diagram is two sides of the airport runway, and the parameter to be detected is a temperature parameter when the influence of rain and snow days on the road surface slippery degree of the airport runway needs to be monitored, so that the optical fiber grating array temperature sensing optical cables, namely the temperature optical cables, are laid on the two sides of the airport runway to sense the temperature distribution field of the airport runway; the area marked by '2' in the figure is an airport runway sliding area, and because whether the airplane normally runs along a set track needs to be monitored, the parameter to be detected is a vibration parameter, an optical fiber grating array vibration sensing optical cable, namely a vibration optical cable, is laid in the airport runway sliding area to sense the movement track of the airplane; the area marked by '3' in the figure is a take-off and landing area of an airport runway, and because the speed of the airplane needs to be monitored to judge whether the airplane normally takes off and lands, the parameter to be detected is a strain parameter, and therefore a fiber grating array strain sensing optical cable, namely a strain optical cable, is laid in the take-off and landing area to sense the load of the airplane.
As a preferred embodiment, the cabling information includes cable type information, cable number information, and cable cabling position information.
In a specific embodiment, the types of the airfield runway laying optical cables in fig. 3 are a temperature optical cable, a vibration optical cable and a strain optical cable, the positions of the temperature optical cable, the vibration optical cable and the strain optical cable respectively correspond to "1", "2" and "3" in fig. 3, and the optical cables are numbered, and the numbers can be in the forms of "00 and 01".
As a preferred embodiment, obtaining survey area information according to the cabling information includes:
and obtaining survey area information by using the laying optical cable information and a second preset rule.
Specifically, when the grating array is a vibrating optical cable, the optical cable measuring area is the distance between two adjacent gratings, and the length of the measuring area is generally 1m-10 m; when the grating array is a strain optical cable or a temperature optical cable, the optical cable measuring area refers to an area where the grating is taken as a central point, and the length of the measuring area is generally 0.5m-3 m.
As a preferred embodiment, the measurement area information includes temperature measurement area information, vibration measurement area information, strain measurement area information, and measurement area number information.
In a specific embodiment, the test areas are numbered, and the numbering may be in the form of "0000, 0001.
As a preferred embodiment, encoding the grating array according to the functional area, the structural grid unit, the parameter to be detected, the cabling information, and the survey area information includes:
and coding the grating array according to a preset coding rule, the functional area, the structural grid unit, the parameter to be detected, the laying optical cable information and the measuring area information.
In a specific embodiment, an example of encoding is performed for a grating array used for airport runway security monitoring, as shown in table 1 below.
TABLE 1 Grating array coding
Wherein, if the code is' RA-M 1×1 V-01-0000 represents No. 0000 measuring area of No. 01 vibration optical cable and airfield runway surface structure G 1×1 The grid cells are associated.
If the code is' TA-M 2×3 -S-02-0004' indicates the No. 0004 measuring area of No. 02 strain optical cable and the airport taxiway pavement structure G 2×3 The grid cells are associated.
If the code is' BA-M 3×3 -T-03-0010' represents No. 03 temperature optical cable No. 0004 measuring area and airport contact road surface structure G 3×3 Grid cell phaseAnd (6) associating.
As a preferred embodiment, the method further comprises the following steps:
and monitoring the airport runway safety according to the encoded grating array.
The embodiment of the invention also provides a grating array coding device for airport runway safety monitoring, a structural block diagram of which is shown in fig. 4, wherein the airport runway intelligent coding device based on the grating array comprises an information acquisition module 401, an information processing module 402 and a coding module 403;
the information acquisition module 401 is used for acquiring a functional area and an engineering structure of an airport runway laid with a grating array optical cable, dividing a structural grid unit and determining a parameter to be detected according to the functional area and the engineering structure;
the information processing module 402 is configured to determine laying cable information according to the functional area, the structural grid unit and the parameter to be detected, and obtain survey area information according to the laying cable information;
the encoding module 403 is configured to encode the grating array optical cable according to the functional area, the structural grid unit, the parameter to be detected, the cabling optical cable information, and the measurement area information, so as to obtain an encoded grating array.
As shown in fig. 5, the present invention also provides an electronic device, which may be a mobile terminal, a desktop computer, a notebook, a palm computer, a server, or other computing devices. The electronic device comprises a processor 503, a display 502 and a memory 501.
The memory 501 may be an internal storage unit of the computer device in some embodiments, such as a hard disk or a memory of the computer device. The memory 501 may also be an external storage device of the computer device in other embodiments, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like provided on the computer device. Further, the memory 501 may also include both internal storage units and external storage devices of the computer device. The memory 501 is used for storing application software installed in the computer device and various data, such as program codes installed in the computer device. The memory 501 may also be used to temporarily store data that has been output or is to be output. In one embodiment, the memory 501 stores a grating array encoding program 504 for airport runway security monitoring, and the encoding program 504 can be executed by the processor 503, so as to implement the grating array encoding method for airport runway security monitoring according to the embodiments of the present invention.
The processor 503 may be a Central Processing Unit (CPU), microprocessor or other data Processing chip in some embodiments, and is used for executing program codes stored in the memory 501 or Processing data, such as executing a raster array encoding program for airport runway security monitoring.
The display 502 may be an LED display, a liquid crystal display, a touch-sensitive liquid crystal display, an OLED (Organic Light-Emitting Diode) touch panel, or the like in some embodiments. The display 502 is used for displaying information at the computer device and for displaying a visual user interface. The components 501 and 503 of the computer device communicate with each other via a system bus.
In one embodiment, when the processor 503 executes the grating array encoding program 504 in the memory 501, the following steps are implemented:
acquiring a functional area and an engineering structure of an airport field channel laid with a grating array optical cable, dividing structural grid units according to the functional area and the engineering structure, and determining parameters to be detected;
determining laying optical cable information according to the functional area, the structural grid unit and the parameter to be detected, and obtaining measurement area information according to the laying optical cable information;
and coding the grating array optical cable according to the functional area, the structural grid unit, the parameter to be detected, the laying optical cable information and the measuring area information to obtain a coded grating array.
The present embodiment also provides a computer-readable storage medium, on which a grating array encoding program for airport runway monitoring is stored, the encoding program when executed by a processor realizes the following steps:
acquiring a functional area and an engineering structure of an airport field channel laid with a grating array optical cable, dividing structural grid units according to the functional area and the engineering structure, and determining parameters to be detected;
determining laying optical cable information according to the functional area, the structural grid unit and the parameter to be detected, and obtaining measurement area information according to the laying optical cable information;
and coding the grating array optical cable according to the functional area, the structural grid unit, the parameter to be detected, the laying optical cable information and the measuring area information to obtain a coded grating array.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
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 changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. A grating array coding method for airport runway safety monitoring is characterized by comprising the following steps:
acquiring a functional area and an engineering structure of an airport field channel laid with a grating array optical cable, dividing structural grid units according to the functional area and the engineering structure, and determining parameters to be detected;
determining laying optical cable information according to the functional area, the structural grid unit and the parameter to be detected, and obtaining measurement area information according to the laying optical cable information;
and coding the grating array optical cable according to the functional area, the structural grid unit, the parameter to be detected, the laying optical cable information and the measuring area information to obtain a coded grating array.
2. The grating array coding method for airport runway safety monitoring as claimed in claim 1, wherein determining the parameter to be detected according to the functional area and engineering structure comprises:
and determining the parameter to be detected by using the functional area, the engineering structure and the first preset rule.
3. The method of encoding a grating array for airport runway security monitoring of claim 1, wherein the cabling information comprises cable type information, cable number information, cable deployment location information.
4. The method of encoding a grating array for airport runway security monitoring of claim 1, wherein obtaining survey area information from the cabling information comprises:
and obtaining the survey area information by using the laying optical cable information and a second preset rule.
5. The method of claim 4, wherein the survey area information comprises temperature survey area information, vibration survey area information, strain survey area information, and survey area number information.
6. The grating array coding method for airport runway security monitoring as claimed in claim 1, wherein coding the grating array optical cable according to the functional area, the structural grid unit, the parameter to be detected, the cable laying information and the survey area information comprises:
and coding the grating array optical cable for airport runway monitoring according to a preset coding rule, the functional area, the structural grid unit, the parameter to be detected, the laying optical cable information and the measuring area information.
7. The method of encoding a grating array for airport runway security monitoring of claim 1, further comprising:
and monitoring the airport runway safety according to the coded grating array optical cable.
8. A grating array coding device for airport runway safety monitoring is characterized by comprising an information acquisition module, an information processing module and a coding module;
the information acquisition module is used for acquiring a functional area and an engineering structure of the airport runway paved with the grating array optical cable, dividing structural grid units and determining parameters to be detected according to the functional area and the engineering structure;
the information processing module is used for determining laying optical cable information according to the functional area, the structural grid unit and the parameter to be detected and obtaining measuring area information according to the laying optical cable information;
and the coding module is used for coding the grating array optical cable according to the functional area, the structural grid unit, the parameter to be detected, the laying optical cable information and the measuring area information to obtain a coded grating array.
9. An electronic device, comprising a memory and a processor, the memory having stored thereon a computer program which, when executed by the processor, implements a method of encoding a grating array for airport runway security monitoring as claimed in any of claims 1-7.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out a method of encoding a grating array for airport runway security monitoring according to any of claims 1-7.
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| CN116223763A (en) * | 2022-12-05 | 2023-06-06 | 湖北国际物流机场有限公司 | Method for monitoring health state of runway surface of airport runway landing zone |
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| CN114061569A (en) * | 2021-11-23 | 2022-02-18 | 武汉理工大学 | Vehicle track tracking method and system based on grating array sensing technology |
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