CN108020853A - A kind of method and system, mobile terminal, computer-readable medium for judging assets and whether being in target area - Google Patents
A kind of method and system, mobile terminal, computer-readable medium for judging assets and whether being in target area Download PDFInfo
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- CN108020853A CN108020853A CN201711488559.3A CN201711488559A CN108020853A CN 108020853 A CN108020853 A CN 108020853A CN 201711488559 A CN201711488559 A CN 201711488559A CN 108020853 A CN108020853 A CN 108020853A
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- 238000000034 method Methods 0.000 title claims description 51
- 238000004891 communication Methods 0.000 claims abstract description 119
- 238000012937 correction Methods 0.000 claims abstract description 44
- 238000004364 calculation method Methods 0.000 claims description 24
- 238000012545 processing Methods 0.000 claims description 18
- 241001269238 Data Species 0.000 abstract 2
- 238000005265 energy consumption Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 230000001413 cellular effect Effects 0.000 description 4
- 208000028257 Joubert syndrome with oculorenal defect Diseases 0.000 description 2
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- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
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- 239000004065 semiconductor Substances 0.000 description 1
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Classifications
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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
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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
- G01S19/40—Correcting position, velocity or attitude
- G01S19/41—Differential correction, e.g. DGPS [differential GPS]
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Abstract
The present invention provide it is a kind of judge assets whether in target area system, including：Assets, user terminal and server, wherein, GNSS data is sent to user terminal by assets by way of Near Field Communication, and GNSS data includes the GNSS original observed datas of assets collection, can also include the PVT data that the GNSS module of assets is calculated according to GNSS original observed datas；The GNSS data received is sent to server by user terminal, server is according to the GNSS data received and the differential corrections for obtaining and storing in real time, calculate the coordinate of assets, and judge assets whether in target area according to the coordinate of assets, if assets are in target area, server enables the assets prompting first information and/or server enables the user terminal prompting first information；If assets are in outside target area, server enables assets and prompts the second information and/or server to enable user terminal and prompt the second information.
Description
Technical Field
The present invention relates to the field of positioning, and in particular, to a method and system for determining whether an asset is in a target area, a mobile terminal, and a computer-readable medium.
Background
Currently, the application of a GNSS (Global Navigation Satellite System) System is becoming more and more widespread, for example, in many applications such as a single vehicle, an urban logistics, an internet of things, and container loading and unloading, etc., an operator is required to know the accurate position of an asset (including but not limited to a bicycle, an automobile, goods, a container, etc.), and the GNSS System includes a GNSS positioning module, so that in actual use, at least one of the following problems exists: the positioning accuracy of the GNSS system to the asset is not high, the tracking of the GNSS system to the asset is not accurate, and the GNSS system for asset positioning has a very high cost and large energy consumption.
Disclosure of Invention
In view of the foregoing, the present invention provides a method, system, and computer-readable medium for determining whether an asset is in a target area, wherein,
in one aspect, a method for determining whether an asset is in a target area is provided, which includes the steps of:
s1: providing a user terminal and a server, and acquiring and storing the differential correction number in real time by the server;
s2: the method comprises the steps of collecting GNSS original observation data by assets, and sending the GNSS data to a user terminal in a close-range communication mode
The GNSS data comprise GNSS original observation data;
s3: calculating the coordinates of the assets according to the GNSS data and the differential corrections;
s4: judging whether the assets are in the target area or not according to the coordinates of the assets:
if the assets are in the target area, first information is prompted;
and if the asset is outside the target area, prompting second information.
In another aspect, an embodiment of the present invention provides a system for determining whether an asset is in a target area, where the system is configured to perform the method described above, and the system includes:
assets, user terminals, and servers, wherein,
the asset sends GNSS data to the user terminal in a close-range communication mode, wherein the GNSS data comprises GNSS original observation data acquired by the asset;
a. the method comprises the steps that a user terminal sends received GNSS data to a server, the server calculates coordinates of assets according to the received GNSS data and difference correction numbers which are obtained and stored in real time, and judges whether the assets are located in a target area or not according to the coordinates of the assets, if the assets are located in the target area, the server enables the assets to prompt first information and/or the server enables the assets to carry out first operation, and/or the server enables the user terminal to prompt the first information; if the asset is outside the target area, enabling the asset by the server to prompt second information and/or enabling the asset by the server to perform second operation, and/or enabling the user terminal by the server to prompt the second information; or,
b. the user terminal enables the server to send the difference correction number obtained and stored in real time to the user terminal, the user terminal calculates the coordinate of the asset according to the received GNSS data and the difference correction number, the user terminal judges whether the asset is in the target area or not according to the coordinate of the asset, if the asset is in the target area, the user terminal prompts first information, and/or the user terminal enables the asset to prompt the first information and/or the user terminal enables the asset to perform first operation; and if the asset is outside the target area, the user terminal prompts second information, and/or the user terminal enables the asset to prompt the second information and/or the user terminal enables the asset to perform a second operation.
In another aspect, an embodiment of the present invention provides a mobile terminal for determining whether an asset is in a target area, which is configured to execute the method described above.
In another aspect, an embodiment of the present invention provides an asset for performing the method described above, the asset including a GNSS module
In another aspect, embodiments of the invention provide a computer-readable medium having executable instructions stored thereon that, when executed by one or more processors, cause the one or more processors to perform a method of determining whether an asset is in a target area, the method employing the method described above.
The embodiment of the invention can at least achieve one of the following beneficial effects:
in the embodiment of the invention, the GNSS data are sent to the user terminal by a short-distance communication method such as Bluetooth/wifi/NFC, so that the data transmitted by the asset through a cellular network only have various control commands sent by the server (the bytes occupied by the various control commands sent by the server are far smaller than the bytes occupied by the GNSS data), therefore, the communication flow consumed by the asset is reduced, and the communication flow cost of the asset is also reduced.
2. The final positioning result is based on the GNSS data of the bicycle (asset), and the obtained positioning result is the position of the bicycle (asset) instead of the GNSS data of the mobile phone (user terminal), so that the possible situation of 'man-vehicle separation' is avoided (when the GNSS data collected by the positioning module in the mobile phone is used for positioning, the situation that the bicycle is not stopped in a designated area, but people walk into the designated area, so that the system judges that the bicycle enters the designated area by mistake).
3. The positioning precision is high: compared with the positioning precision of tens of meters of a conventional GNSS module, the positioning precision of a decimeter level can be achieved by using a differential correction method, and the positioning precision requirements of application scenes such as asset (single vehicle) accurate parking, asset accurate logistics and the like are met.
4. The high-precision positioning is kept, and meanwhile, the energy consumption is low, the size is small, and the cost is low.
5. The server can also update the coordinates of the target area in real time, so that the user terminal can conveniently obtain the coordinates in real time and the user can conveniently use the coordinates.
Drawings
FIG. 1 is a schematic diagram of determining whether an asset is in a target area according to an embodiment of the invention;
FIG. 2 is a diagram illustrating an embodiment of determining whether an asset is in a target area.
Detailed Description
At present, GNSS (Global Navigation Satellite System) systems are becoming more widely used, and for example, in many applications such as single-car, urban logistics, internet of things, and container loading and unloading, operators are required to know the exact location of assets (including but not limited to bicycles, cars, goods, containers, etc.). GNSS systems include GNSS positioning modules, which are conventionally located by installing GNSS positioning modules on these assets.
In the prior art, a GNSS positioning module uses a navigation chip, which has the characteristics of simple circuit, capability of working without external data support, and low data throughput, but the navigation chip can only achieve positioning accuracy of tens of meters, and cannot meet the accuracy requirements in various applications;
in another existing situation, a GNSS positioning module uses a measurement type chip, and positioning accuracy can be improved by combining the measurement type chip with an antenna, but in the existing high-accuracy GNSS positioning, the GNSS positioning module needs to receive a large number of GNSS corrections through a cellular mobile communication network, so that the flow cost spent by assets per se is very high, and the cost of the measurement type chip per se is larger than that of a navigation type chip, higher in cost and higher in power consumption, and is not very suitable for being installed on a large number of assets (such as a single vehicle, a container and the like); meanwhile, although the positioning accuracy can be improved by combining the measurement type chip with the antenna, the problem of increased energy consumption is faced, so that the positioning accuracy can be improved by using the measurement type chip, but the cost of the flow rate and the cost of the measurement type chip are very high, and the energy consumption and the volume are large.
In view of the above, embodiments of the present invention provide a method and system, a mobile terminal, and a computer readable medium for determining whether an asset is located in a target area, which can effectively solve the above problems, and achieve at least one of the benefits of low traffic consumption, low cost, high accuracy, and low energy consumption, where the asset includes, but is not limited to, a bicycle, an automobile, a cargo, a container, and the like. The method specifically comprises the following steps:
as shown in fig. 1, a method for determining whether an asset is in a target area includes the steps of:
s1: providing a user terminal and a server, and acquiring and storing the correction number in real time by the server;
s2: the method comprises the steps that an asset collects GNSS original observation data and sends the GNSS data to a user terminal in a close-range communication mode, preferably, the GNSS data comprise the GNSS original observation data and also comprise PVT data calculated by a GNSS module of the asset according to the GNSS original observation data, and the close-range communication mode adopts at least one of Bluetooth, WIFI and NFC;
s3: calculating the coordinates of the assets according to the GNSS data and the differential corrections;
s4: judging whether the assets are in the target area or not according to the coordinates of the assets:
if the assets are in the target area, first information is prompted;
and if the asset is outside the target area, prompting second information.
In one embodiment of the present invention, the substrate is,
preferably, step S3 includes: the server receives GNSS data from the user terminal, and calculates the coordinates of the assets according to the GNSS data and the differential correction number;
preferably, step S4 includes: the server judges whether the assets are in the target area according to the coordinates of the assets:
if the asset is in the target area, enabling the asset by the server to prompt first information and/or enabling the asset by the server to perform first operation, and/or enabling a user terminal by the server to prompt the first information;
if the asset is outside the target area, the server enables the asset to prompt for second information and/or the server enables the asset to perform a second operation, and/or the server enables the user terminal to prompt for the second information.
Preferably, the assets include:
an antenna;
the GNSS module is connected with the antenna;
the first control module is connected with the GNSS module;
the first communication module is connected with the first control module;
the second communication module is connected with the first control module; and
a first prompt module (not shown) connected to the first control module;
the user terminal includes:
a second control module;
the third communication module is connected with the second control module;
the fourth communication module is connected with the second control module; and
a second prompt module (not shown) connected to the second control module;
the server includes:
a third control module;
the fifth communication module is connected with the third control module; and
the calculation processing module is connected with the third control module and the fifth communication module;
the first communication module and the third communication module are connected to the fifth communication module, and the first, third and fifth communication modules are used for long-distance communication, for example, the first, third and fifth communication modules are cellular mobile communication modules, the second communication module is connected to the fourth communication module and is used for short-distance communication, for example, the second communication module and the fourth communication module can be at least one of bluetooth, WIFI and NFC; wherein,
preferably, the step S2 further includes:
s2.1: the asset receiving a first signal to enable the first control module to control the GNSS module to collect GNSS raw observation data through the antenna, wherein the first signal can be initiated by a related operation of a user;
s2.2: the first control module controls the GNSS module to send GNSS data to the second communication module, wherein the GNSS module may send the GNSS data to the second communication module through the first control module, which is not limited in the present invention; the GNSS data comprises GNSS original observation data, and can further comprise PVT data calculated by the GNSS module of the asset according to the GNSS original observation data;
s2.3: the first control module controls the second communication module to send the received GNSS data to the fourth communication module;
preferably, the step S3 further includes:
s3.1: the second control module controls the fourth communication module to send the received GNSS data to the third communication module, wherein the fourth communication module can send the received GNSS data to the third communication module through the second control module, and the invention does not limit the received GNSS data;
s3.2: the second control module controls the third communication module to send the received GNSS data to the fifth communication module;
s3.3: the third control module controls the fifth communication module to send the received GNSS data to the calculation processing module, wherein the fifth communication module can send the received GNSS data to the calculation processing module through the third control module, the calculation processing module does not limit the GNSS data, and the calculation processing module calculates according to the difference correction number and the received GNSS data to obtain the coordinates of the assets;
preferably, the step S4 further includes:
the calculation processing module stores the coordinates of the target area in advance, judges whether the assets are located in the target area or not by comparing the coordinates of the assets with the coordinates of the target area so as to obtain a judgment result, and controls the fifth communication module to send the judgment result to the first communication module and/or the third communication module:
if the asset is in the target area, the first control module controls the first prompting module to prompt first information and/or control the asset to perform first operation according to the judgment result received by the first communication module, and/or the second control module controls the second prompting module to prompt the first information according to the judgment result received by the third communication module, wherein the first prompting module and the second prompting module can prompt the first information to a user in a sound and/or display mode;
if the asset is outside the target area, the first control module controls the first prompting module to prompt second information and/or control the asset to perform second operation according to the judgment result received by the first communication module, and/or the second control module controls the second prompting module to prompt the second information according to the judgment result received by the third communication module, wherein the first prompting module and the second prompting module can prompt the second information to a user in a sound and/or display mode;
step S4 is further specifically exemplified by:
in one embodiment: the system comprises a calculation processing module, a storage module, a display module and a display module, wherein the calculation processing module compares the coordinates of the single vehicle with the coordinates of the reasonable parking area permitted by the government to judge whether the single vehicle is normally parked (whether the single vehicle is located in the reasonable parking area permitted by the government), and if the calculation processing module judges that the single vehicle is located in the reasonable parking area permitted by the government, first information is used for prompting a user: the parking place of the single vehicle meets the requirement, the travel is finished, and the charging is stopped; the first operation may be the locking of the bicycle and the successful completion of the locking; if the calculation processing module judges that the single vehicle is located outside a reasonable parking area permitted by the government, the second information is used for prompting the user: if the parking place of the bicycle does not meet the requirement and the travel is not finished, continuously charging and requesting to park the bicycle to a reasonable area; the second operation may be to control the bicycle to maintain the unlocked state without completing the lock drop.
In another embodiment: the method is used for tracking asset transportation, the asset can be goods, the target area is a target area for goods transportation, the first signal can be initiated by a user operating on a mobile terminal, and the calculation processing module compares the coordinates of the goods with the coordinates of the target area for transportation to judge whether the goods are in the target area for goods transportation: if the calculation processing module judges that the goods are located in the target area for goods transportation, the first information is used for prompting the user: the cargo has been properly transported to the target area; the cargo performing the first operation may be unloading for a cargo-enabled device for transporting cargo; otherwise, if the calculation processing module judges that the goods are located outside the target area of goods transportation, the second information is used for prompting the user: the goods have not yet reached the target area; the cargo performing the second operation may be that the cargo enables the device for transporting cargo to continue transporting cargo to the target area.
In another embodiment, the same parts as those in the above embodiment are not described again, and the difference from the above embodiment is:
as shown in fig. 2, step S3 includes: the user terminal receives the differential correction number from the server, and calculates the coordinates of the assets according to the received GNSS data and the differential correction number;
preferably, step S4 includes: the user terminal judges whether the assets are in the target area according to the coordinates of the assets:
if the assets are located in the target area, the user terminal prompts first information, and/or the user terminal enables the assets to prompt the first information and/or the user terminal enables the assets to perform first operation;
and if the asset is outside the target area, the user terminal prompts second information, and/or the user terminal enables the asset to prompt the second information and/or the user terminal enables the asset to perform a second operation.
Preferably, the user terminal further includes: the resolving module is connected to the second control module;
preferably, the server includes: a third control module; the fifth communication module is connected with the third control module;
preferably, the step S3 further includes:
s3.1: the second control module controls the fourth communication module to send the received GNSS data to the resolving module, wherein the fourth communication module can send the received GNSS data to the resolving module through the second control module, and the invention does not limit the GNSS data; the second control module can enable the third control module to control the fifth communication module to send the difference correction number to the third communication module through the third communication module and the fifth communication module;
s3.2: the second control module controls the third communication module to send the received differential correction number to the resolving module, wherein the third communication module can send the received differential correction number to the resolving module through the second control module;
preferably, the step S4 further includes:
the calculation module judges whether the asset is in the target area or not by comparing the coordinates of the asset with the coordinates of the target area to obtain a judgment result, wherein the coordinates of the target area can be stored in the calculation module in advance, or the coordinates of the target area can also be external data received by the calculation module, and the invention does not limit the method in any way:
if the assets are located in the target area, the second control module controls the second prompting module to prompt the first information according to the judgment result, and/or the second control module controls the fourth communication module to send the judgment result from the resolving module to the second communication module, so that the first control module can control the first prompting module to prompt the first information and/or control the assets to perform first operation;
if the asset is outside the target area, the second control module controls the second prompting module to prompt second information according to the judgment result, and/or the second control module controls the fourth communication module to send the judgment result from the resolving module to the second communication module, so that the first control module controls the first prompting module to prompt the second information and/or control the asset to perform second operation.
It should be noted that:
1. the assets (single cars and cargoes), target areas (reasonable areas approved by government, target areas for cargo transportation) mentioned in the above embodiments are only examples, and the embodiment of the present invention does not set any limit thereto.
2. In the step 4, the asset is judged to be in the target area according to the coordinates of the asset, and the following two schemes may be adopted: (1) comparing the coordinates of the assets with the boundary coordinates of the target area to judge whether the assets are located in the target area; (2) the method comprises the steps of calculating the center point of a target area, forming a circle coverage area according to the center point of the target area and the radius value set by a user according to the radius value set by the user, comparing the coordinates of the assets with the circle coverage area to judge whether the assets are located in the circle coverage area, if so, determining that the assets are located in the boundary coordinates of the target area, otherwise, determining that the assets are located out of the boundary coordinates of the target area.
3. The server mentioned in the above embodiment obtains and stores the differential corrections in real time, where the differential corrections include but are not limited to RTD/RTK/SBAS, and the server may receive the differential corrections from the single base station, multiple base stations and the CORS network in real time in a wired/wireless manner, and store the differential corrections in real time, it should be noted that, in the embodiment of the present invention, no limitation is imposed on the receiving manner (wired/wireless) and the sources of the differential corrections (single base station, multiple base stations and the CORS network), and in actual work, a user may select the differential corrections reasonably according to actual needs;
4. the difference correction numbers obtained and stored in real time by the server in the above embodiment may be difference correction numbers selected by the server according to received PVT data (GNSS data is received by the server, and the GNSS data includes PVT data and GNSS original observation data), the server may select an appropriate difference correction number according to a principle of closest distance, or may generate an appropriate difference correction number by using a virtual reference station technology, which is not limited in this respect, nor is the source or algorithm of the difference correction numbers limited in this patent.
In some aspects, an embodiment of the present invention provides a system for determining whether an asset is in a target area, the system being configured to perform the method described above, the system comprising:
assets, user terminals, and servers, wherein,
the asset sends GNSS data to a user terminal in a close-range communication mode, wherein the GNSS data comprises GNSS original observation data acquired by the asset and can also comprise PVT data calculated by a GNSS module of the asset according to the GNSS original observation data;
a. the method comprises the steps that a user terminal sends received GNSS data to a server, the server calculates coordinates of assets according to the received GNSS data and difference correction numbers which are obtained and stored in real time, and judges whether the assets are located in a target area or not according to the coordinates of the assets, if the assets are located in the target area, the server enables the assets to prompt first information and/or the server enables the assets to carry out first operation, and/or the server enables the user terminal to prompt the first information; if the asset is outside the target area, enabling the asset by the server to prompt second information and/or enabling the asset by the server to perform second operation, and/or enabling the user terminal by the server to prompt the second information; or,
b. the user terminal enables the server to send the difference correction number obtained and stored in real time to the user terminal, the user terminal calculates the coordinate of the asset according to the received GNSS data and the difference correction number, the user terminal judges whether the asset is in the target area or not according to the coordinate of the asset, if the asset is in the target area, the user terminal prompts first information, and/or the user terminal enables the asset to prompt the first information and/or the user terminal enables the asset to perform first operation; and if the asset is outside the target area, the user terminal prompts second information, and/or the user terminal enables the asset to prompt the second information and/or the user terminal enables the asset to perform a second operation.
Preferably, the close-range communication mode adopts at least one of bluetooth, WIFI and NFC.
In some aspects, the embodiment of the present invention provides a mobile terminal for determining whether an asset is in a target area, which is configured to perform the method described above, and further, the mobile terminal includes a calculation module configured to calculate coordinates of the asset.
In some aspects, embodiments of the invention provide an asset for performing a method as described above, the asset comprising a GNSS module.
In some aspects, embodiments of the invention provide a computer-readable medium having stored thereon information executable instructions that, when executed by one or more processors, cause the one or more processors to perform a method for determining whether an asset is in a target area using the method described above.
The embodiment of the invention can at least achieve one of the following beneficial effects:
in the embodiment of the invention, the GNSS data are sent to the user terminal by a Bluetooth/wifi/NFC or other close-range communication method, so that the data transmitted by the asset through a cellular network only have various control commands sent by the server (the bytes occupied by the various control commands sent by the server are far smaller than the bytes occupied by the GNSS data), thus the communication flow consumed by the asset is reduced, and the communication flow cost of the asset is also reduced.
2. The final positioning result is based on the GNSS data of the bicycle (asset), and the obtained positioning result is the position of the bicycle (asset) instead of the GNSS data of the mobile phone (user terminal), so that the possible situation of 'man-vehicle separation' is avoided (when the GNSS data collected by the positioning module in the mobile phone is used for positioning, the situation that the bicycle is not stopped in a designated area, but people walk into the designated area, so that the system judges that the bicycle enters the designated area by mistake).
3. The positioning precision is high: compared with the positioning precision of tens of meters of a conventional GNSS module, the positioning precision of a decimeter level can be achieved by using a differential correction method, and the positioning precision requirements of application scenes such as asset (single vehicle) accurate parking, asset accurate logistics and the like are met.
4. And the energy consumption of the assets is low while high-precision positioning is kept.
5. The server can also update the coordinates of the target area in real time, so that the user terminal can conveniently obtain the coordinates in real time and the user can conveniently use the coordinates.
Through the above description of the embodiments, those skilled in the art will clearly understand that the present invention may be implemented by software plus a necessary hardware platform, and may also be implemented by hardware entirely. With this understanding in mind, all or part of the technical solutions of the present invention that contribute to the background can be embodied in the form of a software product, which can be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., and includes instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods of the embodiments or some parts of the embodiments of the present invention.
In an embodiment of the present invention, the units/modules/devices may be implemented in software for execution by various types of processors. An identified module of executable code may, for instance, comprise one or more physical or logical blocks of computer instructions which may, for instance, be constructed as an object, procedure, or function. Nevertheless, the executables of an identified module need not be physically located together, but may comprise disparate instructions stored in different bits which, when joined logically together, comprise the unit/module/means and achieve the stated purpose for the unit/module/means.
When the units/modules/devices can be implemented by software, considering the level of existing hardware technology, those skilled in the art can build corresponding hardware circuits to implement corresponding functions, without considering the cost, the hardware circuits include conventional Very Large Scale Integration (VLSI) circuits or gate arrays and existing semiconductors such as logic chips, transistors or other discrete components. A module may also be implemented in programmable hardware devices such as field programmable gate arrays, programmable array logic, programmable logic devices or the like.
The present invention has been described in detail, and the principle and embodiments of the present invention are explained herein by using specific examples, which are only used to help understand the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (18)
1. A method of determining whether an asset is in a target zone, comprising the steps of:
s1: providing a user terminal and a server, wherein the server acquires and stores correction numbers in real time;
s2: the asset acquires GNSS original observation data, the asset transmits the GNSS data to the user terminal in a close-range communication mode, and the GNSS data comprise the GNSS original observation data;
s3: calculating the coordinates of the assets according to the GNSS data and the differential corrections;
s4: judging whether the assets are in the target area or not according to the coordinates of the assets:
if the assets are located in the target area, prompting the first information;
and if the asset is outside the target area, prompting the second information.
2. The method according to claim 1, wherein the step S3 includes:
and the server receives the GNSS data from the user terminal, and calculates the coordinates of the asset according to the GNSS data and the differential corrections.
3. The method according to claim 2, wherein the step S4 includes:
the server judges whether the assets are in the target area according to the coordinates of the assets:
if the asset is in the target area, enabling the asset by the server to prompt the first information and/or enabling the asset by the server to carry out first operation, and/or enabling the user terminal by the server to prompt the first information;
and if the asset is outside the target area, enabling the asset by the server to prompt the second information and/or enabling the asset by the server to perform a second operation, and/or enabling the user terminal by the server to prompt the second information.
4. The method of claim 3,
the assets include:
an antenna;
the GNSS module is connected to the antenna;
the first control module is connected to the GNSS module;
the first communication module is connected to the first control module;
the second communication module is connected to the first control module; and
the first prompting module is connected to the first control module;
the user terminal includes:
a second control module;
the third communication module is connected with the second control module;
the fourth communication module is connected to the second control module; and
the second prompting module is connected to the second control module;
the server includes:
a third control module;
the fifth communication module is connected to the third control module; and
the calculation processing module is connected with the third control module and the fifth communication module;
the first communication module and the third communication module are connected to the fifth communication module, the first, third and fifth communication modules are used for long-distance communication, and the second communication module is connected to the fourth communication module and is used for short-distance communication; wherein,
the step S2 includes:
s2.1: the asset receiving a first signal to cause the first control module to control the GNSS module to acquire GNSS raw observation data via the antenna;
s2.2: the first control module controls the GNSS module to send GNSS data to the second communication module, wherein the GNSS data comprises GNSS original observation data;
s2.3: and the first control module controls the second communication module to send the received GNSS data to the fourth communication module.
5. The method according to claim 4, wherein the step S3 includes:
s3.1: the second control module controls the fourth communication module to send the received GNSS data to the third communication module;
s3.2: the second control module controls the third communication module to send the received GNSS data to the fifth communication module;
s3.3: and the third control module controls the fifth communication module to send the received GNSS data to the calculation processing module, and the calculation processing module calculates according to the difference correction number and the received GNSS data to obtain the coordinates of the assets.
6. The method according to claim 5, wherein the step S4 includes:
the calculation processing module stores the coordinates of the target area in advance, the calculation processing module judges whether the asset is in the target area by comparing the coordinates of the asset with the coordinates of the target area to obtain a judgment result, and the third control module controls the fifth communication module to send the judgment result to the first communication module and/or the third communication module:
if the asset is in the target area, the first control module controls the first prompting module to prompt the first information and/or control the asset to perform a first operation according to the judgment result received by the first communication module, and/or the second control module controls the second prompting module to prompt the first information according to the judgment result received by the third communication module;
if the asset is outside the target area, the first control module controls the first prompting module to prompt the second information and/or control the asset to perform a second operation according to the judgment result received by the first communication module, and/or the second control module controls the second prompting module to prompt the second information according to the judgment result received by the third communication module.
7. The method according to claim 1, wherein the step S3 includes:
and the user terminal receives the differential correction number from the server, and calculates the coordinates of the asset according to the received GNSS data and the differential correction number.
8. The method according to claim 7, wherein the step S4 includes:
the user terminal judges whether the assets are in the target area according to the coordinates of the assets:
if the asset is in the target area, the user terminal prompts first information, and/or the user terminal enables the asset to prompt the first information and/or the user terminal enables the asset to perform a first operation;
and if the asset is outside the target area, the user terminal prompts second information, and/or the user terminal enables the asset to prompt the second information and/or the user terminal enables the asset to perform second operation.
9. The method of claim 8,
the assets include:
an antenna;
the GNSS module is connected to the antenna;
the first control module is connected to the GNSS module;
the first communication module is connected to the first control module;
the second communication module is connected to the first control module; and
the first prompting module is connected to the first control module;
the user terminal includes:
a second control module;
the third communication module is connected with the second control module;
the fourth communication module is connected to the second control module;
the second prompting module is connected to the second control module; and
the resolving module is connected to the second control module;
the server includes:
a third control module; and
the fifth communication module is connected to the third control module;
the first communication module and the third communication module are connected to the fifth communication module, the first, third and fifth communication modules are used for long-distance communication, and the second communication module is connected to the fourth communication module and is used for short-distance communication; wherein,
the step S2 includes:
s2.1: the asset receiving a first signal to cause the first control module to control the GNSS module to acquire GNSS raw observation data via the antenna;
s2.2: the first control module controls the GNSS module to send GNSS data to the second communication module, wherein the GNSS data comprises GNSS original observation data;
s2.3: and the first control module controls the second communication module to send the received GNSS data to the fourth communication module.
10. The method according to claim 9, wherein the step S3 includes:
s3.1: the second control module controls the fourth communication module to send the received GNSS data to the resolving module; the second control module enables the third control module to control the fifth communication module to send the differential correction number to the third communication module;
s3.2: and the second control module controls the third communication module to send the received differential correction number to the resolving module, and the resolving module calculates according to the differential correction number and the GNSS data to obtain the coordinates of the asset.
11. The method according to claim 10, wherein the step S4 includes:
the calculation module judges whether the asset is in the target area by comparing the coordinates of the asset with the coordinates of the target area to obtain a judgment result:
if the asset is in the target area, the second control module controls the second prompting module to prompt the first information according to the judgment result, and/or the second control module controls the fourth communication module to send the judgment result from the resolving module to the second communication module, so that the first control module controls the first prompting module to prompt the first information and/or control the asset to perform a first operation;
if the asset is located outside the target area, the second control module controls the second prompting module to prompt the second information according to the judgment result, and/or the second control module controls the fourth communication module to send the judgment result from the resolving module to the second communication module, so that the first control module controls the first prompting module to prompt the second information and/or control the asset to perform a second operation.
12. The method of claims 1-11, wherein the close-range communication is performed using at least one of bluetooth, WIFI, and NFC.
13. A system for determining whether an asset is in a target zone, the system for performing the method of claims 1-12, the system comprising:
assets, user terminals, and servers, wherein,
the asset sends GNSS data to the user terminal in a close-range communication mode, wherein the GNSS data comprises GNSS original observation data acquired by the asset;
a. the user terminal sends the received GNSS data to the server, the server calculates the coordinate of the asset according to the received GNSS data and the difference correction number obtained and stored in real time, and judges whether the asset is in the target area or not according to the coordinate of the asset, if the asset is in the target area, the server enables the asset to prompt the first information and/or enables the asset to perform a first operation, and/or enables the user terminal to prompt the first information; if the asset is outside the target area, enabling the asset by the server to prompt the second information and/or enabling the asset by the server to perform a second operation, and/or enabling the user terminal by the server to prompt the second information; or,
b. the user terminal enables the server to send the differential correction number obtained and stored in real time to the user terminal, the user terminal calculates the coordinate of the asset according to the received GNSS data and the differential correction number, the user terminal judges whether the asset is in the target area or not according to the coordinate of the asset, if the asset is in the target area, the user terminal prompts the first information, and/or the user terminal enables the asset to prompt the first information and/or enables the asset to perform first operation; and if the asset is outside the target area, the user terminal prompts the second information, and/or the user terminal enables the asset to prompt the second information and/or the user terminal enables the asset to perform a second operation.
14. The system of claim 13, wherein the close-range communication is performed by at least one of bluetooth, WIFI, and NFC.
15. A mobile terminal for determining whether an asset is in a target area, for performing the method of claims 1-12.
16. The mobile terminal of claim 15, comprising a calculation module for calculating coordinates of the asset.
17. An asset for performing the method of claims 1-12, the asset comprising a GNSS module.
18. A computer-readable medium having executable instructions stored thereon that, when executed by one or more processors, cause the one or more processors to perform a method of determining whether an asset is in a target zone, the method employing the method of claims 1-12.
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