Construction personnel positioning detection method and system based on Beidou GPS signal

Abstract

The invention relates to the technical field of wireless positioning, and discloses a construction personnel positioning detection method and system based on Beidou GPS signals. According to the method, monitoring points are arranged in a positioning monitoring area, and the positioning monitoring area is divided based on the arranged monitoring points; meanwhile, the standard position of each auxiliary beacon in the positioning monitoring area is determined by periodically collecting the measured values of multiple groups of Beidou satellites for each auxiliary beacon in the positioning monitoring area, rough position information of constructors is collected in real time through a GPS positioning method, and meanwhile, the positioning detection range of the auxiliary beacons is set, so that the positioning accuracy of the constructors is improved. The distance between the rough position of the constructor and the standard position of each auxiliary beacon is calculated, attendance checking is carried out, finally, when it is detected that the constructor is within the positioning detection range of the auxiliary beacons, accurate positioning is carried out on the constructor in an auxiliary beacon and GPS combined positioning mode, and the positioning track is displayed in real time. And the positioning detection accuracy of constructors is improved.

Description

Technical Field

[0001] The present invention relates to the field of wireless positioning technology, and in particular to a method and system for positioning construction personnel based on Beidou GPS signals. Background Art

[0002] The existing navigation satellite positioning system can provide users with high-precision positioning services in relatively open places such as outdoors, but it is difficult for users to obtain effective positioning services in complex environments with tall buildings.

[0003] The existing open patent application CN101435872A locates personnel through a combination of an ultra-high frequency RFID tag matrix fixedly arranged below the ground in the monitoring area, a monitoring antenna arranged above the monitoring area, and a monitoring control device connected to the monitoring antenna. First, a standard matrix table is established by locating the numbers of the RFID tags in the RFID tag matrix, and at the same time, the RFID tags in the reading area are detected by using radio waves to cover the detection, and the positions and number of personnel in the area are determined according to the RFID tag reading results; at the same time, the moving direction and speed of the personnel are calculated according to the sequence and time interval that the RFID tags cannot read to determine whether the personnel have left the current area; however, since the invention needs to read the RFID tags in the area in real time, the cost is too high, and the monitoring antenna above the monitoring area and the monitoring control device connected to the monitoring antenna are easily disturbed by the environment, the accuracy is insufficient, and there are certain limitations. Summary of the invention

[0004] 1. Technical issues to be resolved In view of the shortcomings of the prior art, the present invention provides a construction personnel positioning detection method and system based on Beidou GPS signals, which has the advantages of accuracy, efficiency, and real-time, and solves the problem that users have difficulty in obtaining effective positioning services in a complex environment with high-rise buildings.

[0005] (II) Technical solution In order to solve the above technical problem that it is difficult for users to obtain effective positioning services in a complex environment with tall buildings, the present invention provides the following technical solutions: The present invention discloses a method for positioning and detecting construction personnel based on Beidou GPS signals, which specifically comprises the following steps: S1. Setting monitoring points in the positioning monitoring area, dividing the positioning monitoring area based on the set monitoring points, and installing auxiliary beacons at each monitoring point; S2. Regularly collect measurement values ​​of multiple groups of Beidou satellites for each auxiliary beacon in the positioning monitoring area to determine the standard position of each auxiliary beacon in the positioning monitoring area; S3. Collect the rough location information of construction workers in real time through GPS positioning method; S4. Set the positioning detection range of the auxiliary beacon, calculate the distance between the rough position of the construction worker and the standard position of each auxiliary beacon, determine whether the construction worker is within the positioning detection range of the auxiliary beacon and perform attendance; S5. When it is detected that the construction personnel are within the positioning detection range of the auxiliary beacon, the construction personnel are accurately positioned by a combination of the auxiliary beacon and GPS, and the positioning trajectory is displayed in real time.

[0006] The present invention sets monitoring points in a positioning monitoring area, divides the positioning monitoring area into regions based on the set monitoring points and divides the region into regions according to auxiliary beacons, and determines the standard position of each auxiliary beacon in the positioning monitoring area by periodically collecting the measurement values ​​of each auxiliary beacon in the positioning monitoring area by multiple groups of Beidou satellites, and collects the rough position information of construction personnel in real time through the GPS positioning method, and calculates the distance between the rough position of the construction personnel and the standard position of each auxiliary beacon by setting the positioning detection range of the auxiliary beacon, and performs attendance, and finally, when it is detected that the construction personnel are within the positioning detection range of the auxiliary beacon, the construction personnel are accurately positioned by a combined positioning method of the auxiliary beacon and GPS, and the positioning trajectory is displayed in real time, thereby improving the accuracy of positioning detection of the construction personnel.

[0007] Preferably, the step of setting monitoring points in the positioning monitoring area, dividing the positioning monitoring area into regions based on the set monitoring points, and installing auxiliary beacons at each monitoring point comprises the following steps: S11, real-time collection and positioning of road section data within the monitoring area; The road section data set within the positioning monitoring area is set as: ; in, Represents the road segment data set within the positioning monitoring area. Indicates the data of the mth road section in the positioning monitoring area; Road segment data By quadruple Indicates that The road segment identifier representing the road segment data. Indicates the starting point of the road segment data. Indicates the end point of the road segment data. Indicates the distance of the road segment; S12, based on the real-time collected data of the road sections in the positioning monitoring area, the center point of each road section is set as the monitoring point, Number the monitoring points ; S13, monitoring point is the coordinate origin, according to Coordinates establish a three-dimensional coordinate system, and based on the monitoring points Determine the coordinates of other monitoring points; S14, the coordinates of each monitoring point and the road section data collected in real time are stored in the system database, and auxiliary beacons are installed at each monitoring point.

[0008] The present invention collects and locates road section data within the monitoring area in real time and sets monitoring points based on the real-time collected and located road section data within the monitoring area, while installing auxiliary beacons, and storing the coordinates of each monitoring point and the real-time collected road section data in the system's database, thereby ensuring the reliability of construction personnel positioning detection.

[0009] Preferably, the periodic collection of measurement values ​​of multiple groups of Beidou satellites for each auxiliary beacon in the positioning monitoring area to determine the standard position of each auxiliary beacon in the positioning monitoring area includes the following steps: S21, regularly collect measurement values ​​of multiple groups of Beidou satellites for each auxiliary beacon in the positioning monitoring area; Set the multiple measurement values ​​of the nth auxiliary beacon to ; in, represents the first set of measurements of the nth auxiliary beacon, represents the i-th set of measurements of the n-th auxiliary beacon; S22. Process the collected measurement values ​​to determine the standard position of each auxiliary beacon in the positioning monitoring area.

[0010] Preferably, the processing of the collected measurement values ​​to determine the standard position of each auxiliary beacon in the positioning monitoring area includes the following steps: Positioning horizontal displacement correction: ; in, Indicates the positioning horizontal displacement correction amount, Indicates the distance between the auxiliary beacon and the Beidou platform. Indicates the angle recorded in the previous cycle, Indicates the angle recorded in the current cycle, represents the sine function; Set the corrected position of the nth auxiliary beacon to: - ; Based on the corrected position of the nth auxiliary beacon, determine the standard position of each auxiliary beacon in the positioning monitoring area; The standard position calculation formula for each auxiliary beacon is as follows: ; in, represents the Euclidean distance between the nth auxiliary beacon and the jth auxiliary beacon, represents the horizontal coordinate of the nth auxiliary beacon, represents the abscissa of the jth auxiliary beacon, represents the ordinate of the nth auxiliary beacon, represents the ordinate of the jth auxiliary beacon; Calculate the Euclidean distance between each auxiliary beacon and determine the standard position coordinates of each auxiliary beacon in the positioning monitoring area; ; ; in, Indicates the calculated standard position coordinates of each auxiliary beacon in the monitoring area. and Respectively represent the horizontal and vertical coordinates of the standard position of each auxiliary beacon, Indicates the weight of the nth auxiliary beacon calculation.

[0011] The present invention regularly collects measurement values ​​of multiple groups of Beidou satellites on each auxiliary beacon in the positioning monitoring area, and corrects the collected measurement values ​​to determine the standard position of each auxiliary beacon in the positioning monitoring area, thereby improving the accuracy of construction personnel's positioning detection.

[0012] Preferably, the real-time collection of the rough location information of the construction personnel by the GPS positioning method comprises the following steps: S31, real-time collection of multiple groups of GPS satellite signals received by construction personnel; S32, filtering the received multiple groups of GPS satellite signals to obtain filtered GPS satellite signals; S33. Calculate the average value of the filtered GPS satellite signal through a data averaging algorithm to obtain the rough location information of the construction personnel.

[0013] Preferably, filtering the received multiple groups of GPS satellite signals to obtain filtered GPS satellite signals comprises the following steps: Decomposing multiple groups of received GPS satellite signals by Fourier decomposition; The Fourier series expansion is as follows: ; Where N is the total number of GPS satellite signal data set. is the GPS satellite signal data about time t, For the The angular frequency of the GPS satellite signal data, For the The coefficients of GPS satellite signal data; Based on the angular frequency component and periodic variation law, Decompose and reconstruct. As shown below: ; in, is the high frequency component, is the low frequency component; Set the high frequency component to the filtered GPS satellite signal.

[0014] Preferably, the step of calculating the average value of the filtered GPS satellite signal by a data averaging algorithm to obtain the rough location information of the construction personnel comprises the following steps: The position information represented by the three sets of filtered GPS satellite signals received is set to: ; in, The position information represented by the first group of filtered GPS satellite signals received; The calculation formula for the construction workers' rough location information is as follows: ; in, Indicates the calculated rough position coordinates of the construction workers. and The horizontal and vertical coordinates respectively represent the rough position of the construction workers.

[0015] The present invention collects multiple groups of GPS satellite signals received by construction personnel in real time, filters the collected multiple groups of GPS satellite signals, and calculates the rough position information of the construction personnel through a data averaging algorithm, thereby ensuring the real-time positioning detection of the construction personnel.

[0016] Preferably, the steps of setting the positioning detection range of the auxiliary beacons, calculating the distance between the rough position of the construction workers and the standard position of each auxiliary beacon, judging whether the construction workers are within the positioning detection range of the auxiliary beacons and performing attendance include the following steps: Set the positioning detection range of the auxiliary beacon to ; The distance between the rough position of the construction workers and the standard position of each auxiliary beacon is calculated by the Euclidean distance algorithm; ; in, Indicates the distance between the approximate position of the construction workers and the standard position of each auxiliary beacon; when Less than or equal to When Greater than , it means that the current construction worker is not within the positioning detection range of the auxiliary beacon and the attendance has failed.

[0017] The present invention sets the positioning detection range of the auxiliary beacon, calculates the distance between the rough position of the construction personnel and the standard position of each auxiliary beacon, determines whether the current construction personnel are in the set area through the calculated distance, and completes the attendance, thereby improving the efficiency of the construction personnel's attendance.

[0018] Preferably, when the construction personnel are detected within the positioning detection range of the auxiliary beacon, the construction personnel are accurately positioned by a combination of the auxiliary beacon and GPS, and the positioning trajectory is displayed in real time, including the following steps: When a construction worker is detected within the positioning detection range of an auxiliary beacon, the auxiliary beacon closest to the construction worker will communicate with the construction worker in real time and calculate the distance between the construction worker and the current auxiliary beacon in real time; The rough location coordinates of the construction personnel obtained by GPS positioning based on the real-time calculated distance between the construction personnel and the current auxiliary beacon Perform dynamic compensation; The dynamic compensation formula is as follows: ; ; in, represents the change in the horizontal component from the rough position coordinates of the construction worker to the standard position coordinates of the current auxiliary beacon, represents the change in the vertical component from the rough position coordinates of the construction worker to the standard position coordinates of the current auxiliary beacon, Represents the horizontal component of the standard position coordinates of the current auxiliary beacon, Represents the vertical component of the standard position coordinates of the current auxiliary beacon, Indicates the distance between the construction personnel and the current auxiliary beacon. The error function Polynomial of degree, represents the error function, represents the polynomial coefficients, The horizontal coordinate representing the standard position coordinate of the current auxiliary beacon; Set the construction worker position coordinates after dynamic compensation It can accurately locate construction workers and display the positioning trajectory in real time.

[0019] The present invention accurately locates construction personnel through a combined positioning method of auxiliary beacons and GPS, and monitors position changes of construction personnel in real time through a dynamic compensation method, thereby ensuring the accuracy of the construction personnel's real-time display of positioning trajectories.

[0020] The present invention also discloses a construction personnel positioning detection system based on Beidou GPS signals, comprising: a regional planning module, a Beidou signal collection module, a GPS positioning module, an attendance detection module and a trajectory determination module; The regional planning module is used to divide the positioning monitoring area; The Beidou signal collection module is used to collect Beidou satellite signals in real time to determine the standard position of each auxiliary beacon in the positioning monitoring area; The GPS positioning module is used to collect GPS satellite signals and determine rough location information; The attendance detection module is used to determine whether the current location is within the set area through position detection calculation; The trajectory determination module is used to achieve accurate positioning and real-time monitoring of construction personnel by combining Beidou positioning and GPS positioning.

[0021] (III) Beneficial effects Compared with the prior art, the present invention provides a method and system for positioning and detecting construction personnel based on Beidou GPS signals, which has the following beneficial effects: 1. The invention sets monitoring points in the positioning monitoring area, divides the positioning monitoring area into regions based on the set monitoring points and divides the regions according to auxiliary beacons, and determines the standard position of each auxiliary beacon in the positioning monitoring area by regularly collecting the measurement values ​​of each auxiliary beacon in the positioning monitoring area by multiple groups of Beidou satellites. The rough position information of the construction personnel is collected in real time through the GPS positioning method. At the same time, the positioning detection range of the auxiliary beacon is set, the distance between the rough position of the construction personnel and the standard position of each auxiliary beacon is calculated, and attendance is recorded. Finally, when the construction personnel are detected in the positioning detection range of the auxiliary beacon, the construction personnel are accurately positioned by the combined positioning method of the auxiliary beacon and GPS, and the positioning trajectory is displayed in real time, thereby improving the accuracy of the positioning detection of the construction personnel.

[0022] 2. The invention collects and locates road section data within the monitoring area in real time and sets monitoring points based on the real-time collected and located road section data within the monitoring area. Auxiliary beacons are installed at the same time, and the coordinates of each monitoring point and the real-time collected road section data are stored in the system database, thereby ensuring the reliability of positioning detection for construction personnel.

[0023] 3. The invention regularly collects measurement values ​​of each auxiliary beacon in the positioning monitoring area from multiple groups of Beidou satellites, and corrects the collected measurement values ​​to determine the standard position of each auxiliary beacon in the positioning monitoring area, thereby improving the accuracy of construction personnel's positioning detection.

[0024] 4. The invention collects multiple groups of GPS satellite signals received by construction workers in real time, filters the collected multiple groups of GPS satellite signals, and calculates the rough location information of the construction workers through a data averaging algorithm, thereby ensuring the real-time positioning detection of the construction workers.

[0025] 5. The invention sets the positioning detection range of the auxiliary beacons, calculates the distance between the rough position of the construction workers and the standard position of each auxiliary beacon, determines whether the current construction workers are in the set area through the calculated distance, and completes the attendance, thereby improving the efficiency of the construction workers' attendance.

[0026] 6. The invention accurately locates construction workers through a combination of auxiliary beacons and GPS, and monitors the position changes of construction workers in real time through dynamic compensation, ensuring the accuracy of the construction workers' real-time display of positioning trajectory. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the construction personnel positioning detection process of Beidou GPS satellite signals of the present invention. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Example 1 See also Figure 1 This embodiment discloses a method for positioning and detecting construction personnel based on Beidou GPS signals, which specifically includes the following steps: S1. Setting monitoring points in the positioning monitoring area, dividing the positioning monitoring area based on the set monitoring points, and installing auxiliary beacons at each monitoring point; Setting monitoring points in the positioning monitoring area, dividing the positioning monitoring area based on the set monitoring points, and installing auxiliary beacons at each monitoring point includes the following steps: S11, real-time collection and positioning of road section data within the monitoring area; The road section data set within the positioning monitoring area is set as: ; in, Represents the road segment data set within the positioning monitoring area. Indicates the data of the mth road section in the positioning monitoring area; Furthermore, the road segment data By quadruple Indicates that The road segment identifier representing the road segment data. Indicates the starting point of the road segment data. Indicates the end point of the road segment data. Indicates the distance of the road segment; S12, based on the real-time collected data of the road sections in the positioning monitoring area, the center point of each road section is set as the monitoring point, Number the monitoring points ; S13, monitoring point is the coordinate origin, according to Coordinates establish a three-dimensional coordinate system, and based on the monitoring points Determine the coordinates of other monitoring points; S14, storing the coordinates of each monitoring point and the road section data collected in real time in the system database, and installing an auxiliary beacon at each monitoring point; S2. Regularly collect measurement values ​​of multiple groups of Beidou satellites for each auxiliary beacon in the positioning monitoring area to determine the standard position of each auxiliary beacon in the positioning monitoring area; Regularly collecting multiple groups of Beidou satellite measurements of each auxiliary beacon in the positioning monitoring area, and determining the standard position of each auxiliary beacon in the positioning monitoring area includes the following steps: S21, regularly collect measurement values ​​of multiple groups of Beidou satellites for each auxiliary beacon in the positioning monitoring area; Set the multiple measurement values ​​of the nth auxiliary beacon to ; in, represents the first set of measurements of the nth auxiliary beacon, represents the i-th set of measurements of the n-th auxiliary beacon; S22, processing the collected measurement values ​​to determine the standard position of each auxiliary beacon in the positioning monitoring area; Based on the multiple sets of measurement values ​​collected for the nth auxiliary beacon, correct the nth auxiliary beacon; Positioning horizontal displacement correction: ; in, Indicates the positioning horizontal displacement correction amount, Indicates the distance between the auxiliary beacon and the Beidou platform. Indicates the angle recorded in the previous cycle, Indicates the angle recorded in the current cycle, represents the sine function; Set the corrected position of the nth auxiliary beacon to: - ; Further, based on the corrected position of the nth auxiliary beacon, the standard position of each auxiliary beacon in the positioning monitoring area is determined; The standard position calculation formula for each auxiliary beacon is as follows: ; in, represents the Euclidean distance between the nth auxiliary beacon and the jth auxiliary beacon, represents the horizontal coordinate of the nth auxiliary beacon, represents the abscissa of the jth auxiliary beacon, represents the ordinate of the nth auxiliary beacon, represents the ordinate of the jth auxiliary beacon; Further, the Euclidean distances between the auxiliary beacons are calculated to determine the standard position coordinates of each auxiliary beacon in the positioning monitoring area; ; ; in, Indicates the calculated standard position coordinates of each auxiliary beacon in the monitoring area. and Respectively represent the horizontal and vertical coordinates of the standard position of each auxiliary beacon, Indicates the weight of the nth auxiliary beacon calculation; S3. Collect the rough location information of construction workers in real time through GPS positioning method; Using GPS positioning method, real-time collection of rough location information of construction workers includes the following steps: S31, real-time collection of multiple groups of GPS satellite signals received by construction personnel; S32, filtering the received multiple groups of GPS satellite signals to obtain filtered GPS satellite signals; Decomposing multiple groups of received GPS satellite signals by Fourier decomposition; The Fourier series expansion is as follows: ; Where N is the total number of GPS satellite signal data set. is the GPS satellite signal data about time t, For the The angular frequency of the GPS satellite signal data, For the The coefficients of GPS satellite signal data; Based on the angular frequency component and periodic variation law, Decompose and reconstruct. As shown below: ; in, is the high frequency component, is the low frequency component; Further, the high frequency component is set to be the filtered GPS satellite signal; S33, calculating the average value of the filtered GPS satellite signal through a data averaging algorithm to obtain the rough location information of the construction personnel; The position information represented by the three sets of filtered GPS satellite signals received is set to: ; in, The position information represented by the first group of filtered GPS satellite signals received; The calculation formula for the construction workers' rough location information is as follows: ; in, Indicates the calculated rough position coordinates of the construction workers. and The horizontal and vertical coordinates respectively represent the rough position of the construction personnel; S4. Set the positioning detection range of the auxiliary beacon, calculate the distance between the rough position of the construction worker and the standard position of each auxiliary beacon, determine whether the construction worker is within the positioning detection range of the auxiliary beacon and perform attendance; Setting the positioning detection range of the auxiliary beacon, calculating the distance between the rough position of the construction worker and the standard position of each auxiliary beacon, judging whether the construction worker is within the positioning detection range of the auxiliary beacon and performing attendance includes the following steps: Set the positioning detection range of the auxiliary beacon to ; The distance between the rough position of the construction workers and the standard position of each auxiliary beacon is calculated by the Euclidean distance algorithm; ; in, Indicates the distance between the approximate position of the construction workers and the standard position of each auxiliary beacon; when Less than or equal to When Greater than When , it means that the current construction personnel are not within the positioning detection range of the auxiliary beacon and attendance has failed; S5. When the construction personnel are detected within the positioning detection range of the auxiliary beacon, the construction personnel are accurately positioned by the auxiliary beacon and GPS combined positioning method, and the positioning trajectory is displayed in real time; When a construction worker is detected within the positioning detection range of the auxiliary beacon, the construction worker is accurately positioned and the positioning trajectory is displayed in real time through the combination of auxiliary beacon and GPS, including the following steps: When a construction worker is detected within the positioning detection range of an auxiliary beacon, the auxiliary beacon closest to the construction worker will communicate with the construction worker in real time and calculate the distance between the construction worker and the current auxiliary beacon in real time; The rough location coordinates of the construction personnel obtained by GPS positioning based on the real-time calculated distance between the construction personnel and the current auxiliary beacon Perform dynamic compensation; The dynamic compensation formula is as follows: ; ; in, represents the change in the horizontal component from the rough position coordinates of the construction worker to the standard position coordinates of the current auxiliary beacon, represents the change in the vertical component from the rough position coordinates of the construction worker to the standard position coordinates of the current auxiliary beacon, Represents the horizontal component of the standard position coordinates of the current auxiliary beacon, Represents the vertical component of the standard position coordinates of the current auxiliary beacon, Indicates the distance between the construction personnel and the current auxiliary beacon. The error function Polynomial of degree, represents the error function, represents the polynomial coefficients, The horizontal coordinate representing the standard position coordinate of the current auxiliary beacon; Set the construction worker position coordinates after dynamic compensation Accurately locate construction workers and display the positioning trajectory in real time; Example 2 This embodiment discloses a construction personnel positioning detection system based on Beidou GPS signals, including: a regional planning module, a Beidou signal collection module, a GPS positioning module, an attendance detection module and a trajectory determination module; The regional planning module is used to divide the positioning monitoring area; The Beidou signal collection module is used to collect Beidou satellite signals in real time to determine the standard position of each auxiliary beacon in the positioning monitoring area; The GPS positioning module is used to collect GPS satellite signals and determine rough location information; The attendance detection module is used to determine whether the current location is within the set area through position detection calculation; The trajectory determination module is used to achieve accurate positioning and real-time monitoring of construction personnel by combining Beidou positioning and GPS positioning.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A construction personnel positioning detection method based on Beidou GPS signals, characterized in that: The following steps are involved: S1. Setting monitoring points in the positioning monitoring area, dividing the positioning monitoring area based on the set monitoring points, and installing auxiliary beacons at each monitoring point; S2. Regularly collect measurement values ​​of multiple groups of Beidou satellites for each auxiliary beacon in the positioning monitoring area to determine the standard position of each auxiliary beacon in the positioning monitoring area; S3. Collect the rough location information of construction workers in real time through GPS positioning method; S4. Set the positioning detection range of the auxiliary beacon, calculate the distance between the rough position of the construction worker and the standard position of each auxiliary beacon, determine whether the construction worker is within the positioning detection range of the auxiliary beacon and perform attendance; S5. When it is detected that the construction personnel are within the positioning detection range of the auxiliary beacon, the construction personnel are accurately positioned by a combination of the auxiliary beacon and GPS, and the positioning trajectory is displayed in real time.

2. A construction personnel positioning detection method based on Beidou GPS signals according to claim 1, characterized in that: The steps of setting monitoring points in the positioning monitoring area, dividing the positioning monitoring area based on the set monitoring points, and installing auxiliary beacons at each monitoring point include the following steps: S11, real-time collection and positioning of road section data within the monitoring area; The road section data set within the positioning monitoring area is set as: ; in, Represents the road segment data set within the positioning monitoring area. Indicates the data of the mth road section in the positioning monitoring area; Road segment data By quadruple Indicates that The road segment identifier representing the road segment data. Indicates the starting point of the road segment data. Indicates the end point of the road segment data. Indicates the distance of the road segment; S12, based on the real-time collected data of the road sections in the positioning monitoring area, the center point of each road section is set as the monitoring point, Number the monitoring points ; S13, monitoring point is the coordinate origin, according to Coordinates establish a three-dimensional coordinate system, and based on the monitoring points Determine the coordinates of other monitoring points; S14, the coordinates of each monitoring point and the road section data collected in real time are stored in the system database, and auxiliary beacons are installed at each monitoring point.

3. A construction personnel positioning detection method based on Beidou GPS signals according to claim 2, characterized in that: The method of regularly collecting the measurement values ​​of multiple groups of Beidou satellites on each auxiliary beacon in the positioning monitoring area and determining the standard position of each auxiliary beacon in the positioning monitoring area comprises the following steps: S21, regularly collect measurement values ​​of multiple groups of Beidou satellites for each auxiliary beacon in the positioning monitoring area; Set the multiple measurement values ​​of the nth auxiliary beacon to ; in, represents the first set of measurements of the nth auxiliary beacon, represents the i-th set of measurements of the n-th auxiliary beacon; S22. Process the collected measurement values ​​to determine the standard position of each auxiliary beacon in the positioning monitoring area.

4. A method for positioning construction personnel based on Beidou GPS signals according to claim 3, characterized in that: The processing of the collected measurement values ​​to determine the standard position of each auxiliary beacon in the positioning monitoring area includes the following steps: Positioning horizontal displacement correction: ； in, Indicates the positioning horizontal displacement correction amount, Indicates the distance between the auxiliary beacon and the Beidou platform. Indicates the angle recorded in the previous cycle, Indicates the angle recorded in the current cycle, represents the sine function; Set the corrected position of the nth auxiliary beacon to: - ; Based on the corrected position of the nth auxiliary beacon, determine the standard position of each auxiliary beacon in the positioning monitoring area; The standard position calculation formula for each auxiliary beacon is as follows: ； in, represents the Euclidean distance between the nth auxiliary beacon and the jth auxiliary beacon, represents the horizontal coordinate of the nth auxiliary beacon, represents the abscissa of the jth auxiliary beacon, represents the ordinate of the nth auxiliary beacon, represents the ordinate of the jth auxiliary beacon; Calculate the Euclidean distance between each auxiliary beacon and determine the standard position coordinates of each auxiliary beacon in the positioning monitoring area; ； ； in, Indicates the calculated standard position coordinates of each auxiliary beacon in the monitoring area. and Respectively represent the horizontal and vertical coordinates of the standard position of each auxiliary beacon, Indicates the weight of the nth auxiliary beacon calculation.

5. A method for positioning construction personnel based on Beidou GPS signals according to claim 4, characterized in that: The method of collecting the rough location information of the construction personnel in real time by using the GPS positioning method includes the following steps: S31, real-time collection of multiple groups of GPS satellite signals received by construction personnel; S32, filtering the received multiple groups of GPS satellite signals to obtain filtered GPS satellite signals; S33. Calculate the average value of the filtered GPS satellite signal through a data averaging algorithm to obtain the rough location information of the construction personnel.

6. A method for positioning construction personnel based on Beidou GPS signals according to claim 5, characterized in that: The filtering of the received multiple groups of GPS satellite signals to obtain filtered GPS satellite signals comprises the following steps: Decomposing multiple groups of received GPS satellite signals by Fourier decomposition; The Fourier series expansion is as follows: ； Where N is the total number of GPS satellite signal data set. is the GPS satellite signal data about time t, For the The angular frequency of the GPS satellite signal data, For the The coefficients of GPS satellite signal data; Based on the angular frequency component and periodic variation law, Decompose and reconstruct. As shown below: ； in, is the high frequency component, is the low frequency component; Set the high frequency component to the filtered GPS satellite signal.

7. A method for detecting construction personnel positioning based on Beidou GPS signals according to claim 6, characterized in that: The method of calculating the average value of the filtered GPS satellite signal by using a data averaging algorithm to obtain the rough location information of the construction personnel includes the following steps: The position information represented by the three sets of filtered GPS satellite signals received is set to: ; in, The position information represented by the first group of filtered GPS satellite signals received; The calculation formula for the construction workers' rough location information is as follows: ； in, Indicates the calculated rough position coordinates of the construction workers. and The horizontal and vertical coordinates respectively represent the rough position of the construction workers.

8. A method for detecting construction personnel positioning based on Beidou GPS signals according to claim 7, characterized in that: The method of setting the positioning detection range of the auxiliary beacon, calculating the distance between the rough position of the construction personnel and the standard position of each auxiliary beacon, judging whether the construction personnel are within the positioning detection range of the auxiliary beacon and performing attendance includes the following steps: Set the positioning detection range of the auxiliary beacon to ; The distance between the rough position of the construction workers and the standard position of each auxiliary beacon is calculated by the Euclidean distance algorithm; ； in, Indicates the distance between the approximate position of the construction workers and the standard position of each auxiliary beacon; when Less than or equal to When Greater than , it means that the current construction worker is not within the positioning detection range of the auxiliary beacon and the attendance has failed.

9. A method for detecting construction personnel positioning based on Beidou GPS signals according to claim 8, characterized in that: When the construction personnel are detected within the positioning detection range of the auxiliary beacon, the construction personnel are accurately positioned by combining the auxiliary beacon and GPS, and the positioning trajectory is displayed in real time, including the following steps: When a construction worker is detected within the positioning detection range of an auxiliary beacon, the auxiliary beacon closest to the construction worker will communicate with the construction worker in real time and calculate the distance between the construction worker and the current auxiliary beacon in real time; The rough location coordinates of the construction personnel obtained by GPS positioning based on the real-time calculated distance between the construction personnel and the current auxiliary beacon Perform dynamic compensation; The dynamic compensation formula is as follows: ； ； in, represents the change in the horizontal component from the rough position coordinates of the construction worker to the standard position coordinates of the current auxiliary beacon, represents the change in the vertical component from the rough position coordinates of the construction worker to the standard position coordinates of the current auxiliary beacon, Represents the horizontal component of the standard position coordinates of the current auxiliary beacon, Represents the vertical component of the standard position coordinates of the current auxiliary beacon, Indicates the distance between the construction personnel and the current auxiliary beacon. The error function Polynomial of degree, represents the error function, represents the polynomial coefficients, The horizontal coordinate representing the standard position coordinate of the current auxiliary beacon; Set the construction worker position coordinates after dynamic compensation It can accurately locate construction workers and display the positioning trajectory in real time.

10. A system for implementing the method for positioning construction personnel based on Beidou GPS signals as described in any one of claims 1 to 9, characterized in that: include: Regional planning module, Beidou signal collection module, GPS positioning module, attendance detection module and trajectory determination module; The regional planning module is used to divide the positioning monitoring area; The Beidou signal collection module is used to collect Beidou satellite signals in real time to determine the standard position of each auxiliary beacon in the positioning monitoring area; The GPS positioning module is used to collect GPS satellite signals and determine rough location information; The attendance detection module is used to determine whether the current location is within the set area through position detection calculation; The trajectory determination module is used to achieve accurate positioning and real-time monitoring of construction personnel by combining Beidou positioning and GPS positioning.

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