CN112198530A - GPS personnel positioning system and method - Google Patents
GPS personnel positioning system and method Download PDFInfo
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- CN112198530A CN112198530A CN202011084761.1A CN202011084761A CN112198530A CN 112198530 A CN112198530 A CN 112198530A CN 202011084761 A CN202011084761 A CN 202011084761A CN 112198530 A CN112198530 A CN 112198530A
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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
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- G01S19/10—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals
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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
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
-
- 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
- G01S19/48—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention discloses a GPS personnel positioning system and a method, wherein the GPS personnel positioning system comprises a positioning server, the positioning server is in communication connection with a plurality of core positioning devices, each core positioning device comprises a GPS module and a first communication module, the core positioning devices are in communication connection with a plurality of auxiliary positioning devices through the first communication modules, each auxiliary positioning device comprises a second communication module, the auxiliary positioning devices are in wireless communication connection with a plurality of positioning terminals through the second communication modules, the positioning terminals correspond to positioned personnel one by one, and a charging device for charging the positioning terminals is arranged on the side of each auxiliary positioning device. The invention has high positioning precision and can effectively ensure the safety of field personnel.
Description
Technical Field
The invention relates to the technical field of positioning, in particular to a GPS personnel positioning system and a GPS personnel positioning method.
Background
At present, in an industrial park or an engineering site, because of the existence of a plurality of factors threatening the personnel safety of regions, for example, flammable and explosive substances, toxic and harmful substances and the like are stored in some regions in the industrial park. Therefore, people in the area need to be supervised, mainly by means of real-time positioning. In the prior art, the positioning is generally realized by global navigation satellite system positioning technology. But it is difficult to accurately obtain the position of the person in the campus since the satellite signal is blocked by an obstacle. In addition, an indoor positioning system is also adopted for positioning, but the positioning accuracy is poor due to the lack of absolute reference, and the requirement is difficult to meet.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a GPS personnel positioning system and a GPS personnel positioning method, which have high positioning precision and can effectively ensure the safety of field personnel.
In order to achieve the purpose, the invention adopts the specific scheme that:
the utility model provides a GPS personnel positioning system, includes positioning server, positioning server communication connection has a plurality of core positioner, core positioner includes GPS module and first communication module, core positioner passes through first communication module communication connection has a plurality of auxiliary positioning device, auxiliary positioning device includes second communication module, auxiliary positioning device passes through second communication module wireless communication connection has a plurality of positioning terminal, positioning terminal and positioning personnel one-to-one, every auxiliary positioning device's side be provided with one be used for to the charging device that positioning terminal charges.
Preferably, the first communication module is configured as an ethernet module, and the core positioning device is connected to the auxiliary positioning device through the ethernet module in a wired communication manner.
The invention also provides a GPS personnel positioning method, which adopts the GPS personnel positioning system and comprises the following steps:
s1, deploying the positioning system;
s2, the core positioning device positions itself through the GPS module to obtain core position information, and sends the core position information to the positioning server;
s3, a person to be positioned carries the positioning terminal to move, the positioning terminal senses a plurality of auxiliary positioning devices in the moving process, and auxiliary positioning information is generated according to the sensed auxiliary positioning devices;
s4, the positioning terminal sends the auxiliary positioning information to the core positioning device through any one auxiliary positioning device;
s5, the core positioning device generates personnel position information corresponding to positioned personnel one by one according to the core position information and the auxiliary positioning information, and uploads the personnel position information to the positioning server;
and S6, the positioning server analyzes the actual coordinates of the positioned personnel according to the received personnel position information.
Preferably, the specific method of step S1 includes:
s1.1, determining a coverage area of the positioning system;
s1.2, dividing the coverage area into a plurality of secondary areas;
s1.3, dividing each sub-area into a plurality of three-level areas;
s1.4, setting the core positioning device in the secondary area;
s1.5, arranging the auxiliary positioning device in the three-level area;
s1.6, completing the communication connection between the core positioning device and the auxiliary positioning device.
Preferably, in step S2, the core location information includes a core ID and core coordinates, and the core ID corresponds to the core positioning device one to one.
Preferably, the specific method of step S3 includes:
s3.1, the positioning terminal senses the auxiliary positioning device in the moving process;
s3.2, the positioning terminal calculates the distance between the positioning terminal and the auxiliary positioning device according to the signal intensity between the positioning terminal and the auxiliary positioning device;
and S3.3, the positioning terminal generates the auxiliary positioning information, the auxiliary positioning information comprises a terminal ID, a plurality of auxiliary IDs and a plurality of distance values, the terminal ID corresponds to the positioning terminal one to one, the auxiliary IDs correspond to the auxiliary positioning devices one to one, and the distance values correspond to the auxiliary IDs one to one.
Preferably, in step S4, when the positioning terminal transmits the auxiliary positioning information, the auxiliary positioning device corresponding to the smallest distance value is selected for transmission.
Preferably, in step S5, the core positioning device generates the person position information based on a distance between itself and the auxiliary positioning device in combination with the auxiliary positioning information.
Preferably, in step S5, the core positioning device encrypts the person position information after generating the person position information.
Preferably, the method further comprises the steps of:
and S7, when the electric quantity of the positioning terminal is lower than a set threshold value, the positioned person charges the positioning terminal through the charging device.
In the invention, the positioning server is used for managing all the core positioning devices and the auxiliary positioning devices and receiving and processing data of the core positioning devices and the auxiliary positioning devices, the core positioning devices are used for completing core positioning through the GPS module, and the auxiliary positioning devices are used for completing specific positioning of positioned personnel based on the core positioning devices. The charging device is used for charging the positioning terminal when the electric quantity of the positioning terminal is insufficient, so that the positioned personnel can be continuously positioned. When the positioning terminal is used, the installation positions of the core positioning device and the auxiliary positioning device are planned firstly, the core positioning device is installed in places with better GPS signals such as the outdoor place or the earth surface, the auxiliary positioning device is installed in places with poor GPS signals such as the indoor place or the underground place, when a person to be positioned carries the positioning terminal to move, the positioning terminal continuously discovers the auxiliary positioning device around, then the distance between the positioning terminal and the auxiliary positioning device can be calculated according to the signal intensity between the positioning terminal and the auxiliary positioning device, the position of the positioning terminal can be determined, and then the absolute position of the positioning terminal can be obtained by combining the distance between the auxiliary positioning device and the core positioning device and the position of the core positioning device.
The invention carries out core positioning by arranging the core positioning device at a place with better GPS signal, then arranges the auxiliary positioning device at a place with poor GPS signal, finally realizes accurate positioning of positioned personnel by utilizing the moving process of the positioning terminal, and is suitable for scenes which are difficult to directly carry out positioning through GPS, such as factory workshops or engineering sites and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is an overall structural block diagram of an embodiment of the present invention.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a block diagram of an overall structure of an embodiment of the invention.
The utility model provides a GPS personnel positioning system, including the positioning server, positioning server communication connection has a plurality of core positioner, the core positioner includes GPS module and first communication module, the core positioner has a plurality of auxiliary positioning device through first communication module communication connection, auxiliary positioning device includes second communication module, auxiliary positioning device has a plurality of positioning terminal through second communication module wireless communication connection, positioning terminal and positioning personnel one-to-one, every auxiliary positioning device's side is provided with a charging device who is used for charging to positioning terminal.
In the invention, the positioning server is used for managing all the core positioning devices and the auxiliary positioning devices and receiving and processing data of the core positioning devices and the auxiliary positioning devices, the core positioning devices are used for completing core positioning through the GPS module, and the auxiliary positioning devices are used for completing specific positioning of positioned personnel based on the core positioning devices. The charging device is used for charging the positioning terminal when the electric quantity of the positioning terminal is insufficient, so that the positioned personnel can be continuously positioned. When the positioning terminal is used, the installation positions of the core positioning device and the auxiliary positioning device are planned firstly, the core positioning device is installed in places with better GPS signals such as the outdoor place or the earth surface, the auxiliary positioning device is installed in places with poor GPS signals such as the indoor place or the underground place, when a person to be positioned carries the positioning terminal to move, the positioning terminal continuously discovers the auxiliary positioning device around, then the distance between the positioning terminal and the auxiliary positioning device can be calculated according to the signal intensity between the positioning terminal and the auxiliary positioning device, the position of the positioning terminal can be determined, and then the absolute position of the positioning terminal can be obtained by combining the distance between the auxiliary positioning device and the core positioning device and the position of the core positioning device.
The invention carries out core positioning by arranging the core positioning device at a place with better GPS signal, then arranges the auxiliary positioning device at a place with poor GPS signal, finally realizes accurate positioning of positioned personnel by utilizing the moving process of the positioning terminal, and is suitable for scenes which are difficult to directly carry out positioning through GPS, such as factory workshops or engineering sites and the like.
Furthermore, the first communication module is set as an ethernet module, and the core positioning device is connected with the auxiliary positioning device through the ethernet module in a wired communication manner.
A GPS personnel positioning method is based on the GPS personnel positioning system and comprises the steps S1 to S6.
And S1, deploying the positioning system.
Further, the specific method of step S1 includes steps S1.1 to S1.6.
S1.1, determining a coverage area of a positioning system.
And S1.2, dividing the coverage area into a plurality of secondary areas. The secondary area can be divided according to the actual situation of the coverage area, when the system is applied to a field environment, the secondary area can be divided according to the terrain of the coverage area, and when the system is applied to an indoor environment, the secondary area can be divided according to the function of the coverage area, such as a storage area, an operation area or a danger area.
And S1.3, dividing each sub-area into a plurality of three-level areas. The division of the third-level region mainly takes the area of the second-level region as a basis, and the second-level region can be divided into a plurality of third-level regions with equal areas so as to avoid dead angles of the auxiliary positioning device. It should be noted that, when dividing the three-level region, the area of the three-level region refers to the area of the three-level region in the map, in practical situations, not all positions in the three-level region can be normally walked, and if the three-level region is divided strictly according to the standard that a person can enter, the span of the generated three-level region may be very large, so that a plurality of auxiliary positioning devices need to be arranged in one three-level region to enable smooth positioning, which results in the need to plan the position of the auxiliary positioning device again, which not only increases the complexity of the method, but also increases the system cost.
S1.4, setting a core positioning device in the secondary area. Each secondary area is provided with a core positioning device.
S1.5, arranging an auxiliary positioning device in the three-level area. And arranging an auxiliary positioning device in each three-stage area.
And S1.6, completing the communication connection between the core positioning device and the auxiliary positioning device. The core positioning device and the auxiliary positioning device are preferably connected in a wired communication manner to avoid data loss caused by weak wireless communication signals. When being applied to open-air environment with this system, need increase protection architecture for the cable of connecting core positioner and auxiliary positioning device to guarantee that core positioner and auxiliary positioning device can stable communication, and can prolong the life of cable.
And S2, the core positioning device positions itself through the GPS module to obtain the core position information and sends the core position information to the positioning server. Because the core positioning device is arranged at a position with better GPS signals, the core positioning device can directly acquire the core position information through the GPS module, and the precision of the core position information can be ensured. When the core positioning device cannot successfully complete positioning through the GPS module due to self or surrounding environment, a warning message needs to be sent to the positioning server, so that the positioning server is prevented from positioning personnel according to the wrong positioning result of the core positioning device, meanwhile, managers can be reminded to conduct troubleshooting and maintenance, if the core positioning device has a fault, the core positioning device is maintained or replaced, if the GPS signal of the core positioning device is weak due to surrounding environment factors, the installation position of the core positioning device is readjusted, and the core positioning device is still in a secondary area after the installation position of the core positioning device is adjusted.
Further, in step S2, the core location information includes a core ID and core coordinates, and the core ID corresponds to the core positioning device one to one.
S3, the person to be positioned carries the positioning terminal to move, the positioning terminal senses a plurality of auxiliary positioning devices in the moving process, and auxiliary positioning information is generated according to the sensed auxiliary positioning devices.
Further, the specific method of S3 includes steps S3.1 to S3.3.
And S3.1, the positioning terminal senses the auxiliary positioning device in the moving process. In this embodiment, the auxiliary positioning device can be set as a wireless router, the positioning terminal can be set as a smart phone, and the smart phone continuously senses the WIFI network of the wireless router in the moving process.
And S3.2, the positioning terminal calculates the distance between the positioning terminal and the auxiliary positioning device according to the signal intensity between the positioning terminal and the auxiliary positioning device. The signal intensity of wireless communication is directly related to the distance, so the distance between the positioning terminal and the auxiliary positioning device can be calculated through the signal intensity, but the precision is limited, when the positioning terminal finds a plurality of auxiliary positioning devices at the same time, the accurate position of the positioning terminal can be obtained through a triangulation positioning mode, and the method belongs to the conventional technical means in the field and is not repeated.
And S3.3, the positioning terminal generates auxiliary positioning information, wherein the auxiliary positioning information comprises a terminal ID, a plurality of auxiliary IDs and a plurality of distance values, the terminal ID corresponds to the positioning terminal one by one, the auxiliary IDs correspond to the auxiliary positioning devices one by one, and the distance values correspond to the auxiliary IDs one by one.
And S4, the positioning terminal sends the auxiliary positioning information to the core positioning device through any auxiliary positioning device. The auxiliary positioning information is sent by the auxiliary positioning device, so that network congestion can be avoided, and the auxiliary positioning information can be smoothly sent to the core positioning device. In other embodiments of the present invention, in order to avoid the loss of the auxiliary positioning information during the transmission process, the auxiliary positioning information may also be sent by two auxiliary positioning devices, but the sending times of the two auxiliary positioning devices are different, so that the core positioning device may discard the same auxiliary positioning information received subsequently after receiving the auxiliary positioning information sent by one auxiliary positioning device, thereby avoiding network congestion and also avoiding occupying a large amount of storage space. Further, in step S4, when the positioning terminal transmits the auxiliary positioning information to ensure the transmission speed, the auxiliary positioning device corresponding to the minimum distance value is selected and transmitted.
And S5, the core positioning device generates personnel position information corresponding to the positioned personnel one by one according to the core position information and the auxiliary positioning information, and uploads the personnel position information to the positioning server.
Further, in step S5, the core positioning device generates the person position information based on the distance between itself and the auxiliary positioning device in combination with the auxiliary positioning information. Because the positions of the core positioning device and the auxiliary positioning device are fixed after the core positioning device and the auxiliary positioning device are arranged, the distance and the direction between the core positioning device and the auxiliary positioning device are fixed, and the personnel position information can be calculated by combining the distance and the auxiliary positioning information.
Further, in step S5, the core positioning device encrypts the person position information after generating the person position information. The encryption mode can adopt various encryption modes in the prior art, and is not described in detail.
And S6, the positioning server analyzes the actual coordinates of the positioned personnel according to the received personnel position information.
Further, the method further includes step S7.
And S7, when the electric quantity of the positioning terminal is lower than the set threshold value, the positioned person charges the positioning terminal through the charging device. Therefore, the positioning terminal can be ensured to continuously operate, and the position information of the personnel is prevented from being lost.
Finally, because the positioning terminal is continuously moved along with the positioned personnel, the personnel position information is continuously generated, and the personnel position information can not be greatly changed in a certain time, so that the personnel position information can be periodically generated, correspondingly, the auxiliary positioning information is also periodically generated, the load of the positioning terminal, the auxiliary positioning device and the core positioning device can be reduced, the network resource requirement is reduced, the network congestion is avoided, and the personnel position information can be accurately uploaded to the positioning server. In addition, if the positioning server fails to receive the personnel position information of a certain positioned personnel for a long time, a searching message can be sent to the positioning terminals of other nearby positioned personnel through the core positioning device and the auxiliary positioning device according to the last personnel position information of the positioned personnel, and the positions of the positioned personnel are determined manually through the positioned personnel with a short distance, so that the positioned personnel are prevented from being dangerous.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A GPS personnel location system characterized by: including the positioning server, positioning server communication connection has a plurality of core positioner, core positioner includes GPS module and first communication module, the core positioner passes through first communication module communication connection has a plurality of auxiliary positioning device, auxiliary positioning device includes second communication module, auxiliary positioning device passes through second communication module wireless communication connection has a plurality of locating terminal, locating terminal and location personnel one-to-one, every auxiliary positioning device's side is provided with one and is used for to the charging device that locating terminal charges.
2. The GPS personnel positioning system of claim 1, wherein: the first communication module is set as an Ethernet module, and the core positioning device is in wired communication connection with the auxiliary positioning device through the Ethernet module.
3. A GPS person positioning method using a GPS person positioning system according to claim 1, characterized in that: the method comprises the following steps:
s1, deploying the positioning system;
s2, the core positioning device positions itself through the GPS module to obtain core position information, and sends the core position information to the positioning server;
s3, a person to be positioned carries the positioning terminal to move, the positioning terminal senses a plurality of auxiliary positioning devices in the moving process, and auxiliary positioning information is generated according to the sensed auxiliary positioning devices;
s4, the positioning terminal sends the auxiliary positioning information to the core positioning device through any one auxiliary positioning device;
s5, the core positioning device generates personnel position information corresponding to positioned personnel one by one according to the core position information and the auxiliary positioning information, and uploads the personnel position information to the positioning server;
and S6, the positioning server analyzes the actual coordinates of the positioned personnel according to the received personnel position information.
4. The method of claim 3, wherein: the specific method of step S1 includes:
s1.1, determining a coverage area of the positioning system;
s1.2, dividing the coverage area into a plurality of secondary areas;
s1.3, dividing each sub-area into a plurality of three-level areas;
s1.4, setting the core positioning device in the secondary area;
s1.5, arranging the auxiliary positioning device in the three-level area;
s1.6, completing the communication connection between the core positioning device and the auxiliary positioning device.
5. The method of claim 3, wherein: in step S2, the core location information includes a core ID and core coordinates, and the core ID corresponds to the core positioning device one to one.
6. The method of claim 3, wherein: the specific method of step S3 includes:
s3.1, the positioning terminal senses the auxiliary positioning device in the moving process;
s3.2, the positioning terminal calculates the distance between the positioning terminal and the auxiliary positioning device according to the signal intensity between the positioning terminal and the auxiliary positioning device;
and S3.3, the positioning terminal generates the auxiliary positioning information, the auxiliary positioning information comprises a terminal ID, a plurality of auxiliary IDs and a plurality of distance values, the terminal ID corresponds to the positioning terminal one to one, the auxiliary IDs correspond to the auxiliary positioning devices one to one, and the distance values correspond to the auxiliary IDs one to one.
7. The method of claim 6, wherein: in step S4, when the positioning terminal transmits the auxiliary positioning information, the auxiliary positioning device corresponding to the minimum distance value is selected to transmit.
8. The method of claim 3, wherein: in step S5, the core positioning device generates the person position information based on the distance between itself and the auxiliary positioning device in combination with the auxiliary positioning information.
9. The method of claim 3, wherein: in step S5, the core positioning device encrypts the person position information after generating the person position information.
10. The method of claim 3, wherein: the method further comprises the steps of:
and S7, when the electric quantity of the positioning terminal is lower than a set threshold value, the positioned person charges the positioning terminal through the charging device.
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| CN202011084761.1A CN112198530A (en) | 2020-10-12 | 2020-10-12 | GPS personnel positioning system and method |
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| CN202011084761.1A CN112198530A (en) | 2020-10-12 | 2020-10-12 | GPS personnel positioning system and method |
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| WO2022246838A1 (en) * | 2021-05-28 | 2022-12-01 | Oppo广东移动通信有限公司 | Indoor positioning method and apparatus, and device and storage medium |
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