Intelligent working personnel track studying and judging system and method based on geographic information of power equipment

Abstract

The invention provides an intelligent working personnel trajectory studying and judging system and method based on geographic information of power equipment, and the system comprises an equipment system which is used for inputting the equipment information of the power equipment; the operation system is used for inputting operation plan information; the track system comprises a track acquisition terminal which is used for inputting personnel track latitude and longitude coordinates uploaded by an operator; the track research and judgment module is used for generating an electronic fence of the operation according to the operation type input by the operation system and the equipment information input by the equipment system, carrying out track research and judgment according to the electronic fence and the personnel track latitude and longitude coordinates input by the track acquisition terminal, and generating violation alarm information; and the map display module is used for displaying the violation alarm information generated by the track studying and judging module, so that a project is specially responded, and a worker in charge timely discovers the violation alarm information and correspondingly processes the violation alarm information. According to the invention, accurate research and judgment can be carried out automatically in real time according to different electronic fence conditions of multiple scenes.

Description

Technical Field

[0001] The present invention relates to the fields of computer application technology and electronic information technology, and specifically to a system and method for intelligently analyzing the trajectory of operators based on geographic information of power equipment. The system generates fences based on geographic location information of power grid equipment and performs real-time and efficient intelligent analysis on the trajectory data of operators. Background Art

[0002] Construction sites in the power industry are often located in mountainous areas or outdoors. In order to manage the site safely, it is necessary to obtain the real-time coordinates of the workers and upload them to the background server to restore the construction workers' trajectory during the operation.

[0003] Continuous positioning data obtained through mobile phones is currently the mainstream method. The GPS signals and the number of base stations of operators in these areas are often very unsatisfactory, and there is often no convenient trajectory upload terminal, which makes it difficult to obtain the trajectory data of operators. In the traditional method of obtaining positioning coordinates and uploading them through mobile phones, there is no effective judgment and screening of these positioning coordinates based on the characteristics of construction scenes in the power industry. Traditional analysis algorithms cannot automatically and accurately judge different electronic fence situations in multiple scenes in real time, which also makes it impossible for work leaders and specialists to effectively supervise the work status of operators in real time. Summary of the invention

[0004] In view of the above-mentioned deficiencies in the prior art, the present invention proposes a system and method for intelligent analysis of operator trajectories based on geographic information of power equipment, which realizes intelligent analysis of work plans of different work types of operators in the power industry.

[0005] The technical solution adopted by the present invention to solve the technical problem is:

[0006] An intelligent analysis system for operator trajectory based on geographic information of power equipment, comprising:

[0007] The equipment system is used to input the equipment information of the power equipment, the power equipment includes substations, distribution stations, and pole tower lines, and the equipment information includes equipment ID, equipment type, and geographic coordinates;

[0008] The operation system is used to input the operation plan information, wherein the operation plan information includes the operation type, the on-site equipment ID of the operation, the ID of the relevant personnel of the operation, and the location of the operation point, wherein the operation type includes single-point operation, multi-point operation, and line operation;

[0009] Track system, including:

[0010] The trajectory collection terminal is used to input the longitude and latitude coordinates of the personnel trajectory uploaded by the operating personnel;

[0011] The trajectory analysis module is used to generate the electronic fence of the operation through the operation type entered by the operation system and the equipment information entered by the equipment system, and to perform trajectory analysis based on the electronic fence and the longitude and latitude coordinates of the personnel trajectory entered by the trajectory collection terminal to generate violation alarm information;

[0012] The map display module is used to display the violation warning information generated by the trajectory analysis module, so that project specialists and work leaders can discover and deal with it in time.

[0013] Furthermore, the trajectory analysis module is specifically used for:

[0014] Project the uploaded longitude and latitude coordinates of the personnel trajectory and convert them into two-dimensional plane coordinate points on the map;

[0015] After being projected onto the two-dimensional plane coordinates, the trajectory analysis module generates different electronic fences for different operation types and equipment information;

[0016] If the electronic fence is a circular fence, the trajectory analysis module determines whether the operator is in the fence at the moment by calculating the distance from the trajectory point (x1, y1) to the center of the circle according to the center coordinate point O (x, y) corresponding to the input operation plan and the radius R of the circular fence. If the distance>R, the operator is judged to be outside the electronic fence, otherwise, the operator is inside the electronic fence, and the map display module will display the operator outside the electronic fence as a violation on the map;

[0017] If the electronic fence is a circular fence, whether the operator is in the fence is determined based on the plumb line interior point method.

[0018] Furthermore, the method of judging whether the operator is in the fence based on the plumb line interior point method specifically includes the following steps:

[0019] (1) Select the point P to be judged;

[0020] (2) Draw a plumb line from point P:

[0021] Starting from point P, draw a vertical ray downward or upward, and this ray intersects the edge of the polygon;

[0022] (3) Calculate the number of intersections:

[0023] Get the number of intersections between this ray and the edge of the polygon. If the ray passes through a vertex of the polygon and the extension directions of the two edges at the vertex are on both sides of the ray, the vertex is calculated as two intersections; if the extension directions of the two edges are on the same side of the ray, or the ray coincides with an edge of the polygon, the vertex is not calculated as an intersection.

[0024] (4) Determine the position of point P:

[0025] If the number of intersection points is odd, then point P is inside the polygon;

[0026] If the number of intersection points is even or zero, then point P is outside the polygon or on the edge of the polygon.

[0027] Furthermore, the projection conversion includes Miller cylindrical projection or Mercator projection.

[0028] Furthermore, in the Mercator projection, the meridians passing through the Mercator projection are evenly distributed, and the latitude transformation method is as follows: assuming that the latitude coordinate of the current person is Φ, where -90°<Φ<90°, the Mercator projection projects the latitude coordinate to:

[0029]

[0030] in:

[0031] When Φ<0, sign(Φ)=-1;

[0032] When Φ=0, sign(Φ)=0;

[0033] When Φ>0, sign(Φ)=1;

[0034] abs(Φ) is the absolute value of Φ.

[0035] A method for intelligently analyzing the trajectory of operators based on geographic information of electric power equipment comprises the following steps:

[0036] Enter the equipment information of the power equipment, the power equipment includes substations, distribution stations, tower lines, and the equipment information includes equipment ID, equipment type, and geographic coordinates;

[0037] Enter the operation plan information, which includes the operation type, the on-site equipment ID of the operation, the ID of the relevant personnel of the operation, and the location of the operation point, where the operation type includes single-point operation, multi-point operation, and line operation;

[0038] Enter the longitude and latitude coordinates of the personnel trajectory uploaded by the operator;

[0039] Generate an electronic fence for the operation based on the operation type and equipment information, and perform trajectory analysis based on the electronic fence and the longitude and latitude coordinates of the personnel trajectory to generate violation warning information;

[0040] The violation warning information will be displayed on the map so that project specialists and work supervisors can discover it in time and take corresponding measures.

[0041] Furthermore, the electronic fence of the operation is generated by the operation type and equipment information, and the trajectory is analyzed according to the electronic fence and the longitude and latitude coordinates of the personnel trajectory to generate violation warning information, which specifically includes:

[0042] Project the uploaded longitude and latitude coordinates of the personnel trajectory and convert them into two-dimensional plane coordinate points on the map;

[0043] After being projected onto two-dimensional plane coordinates, different electronic fences are generated for different operation types and equipment information;

[0044] If the electronic fence is a circular fence, the trajectory analysis module determines whether the operator is in the fence at the moment by calculating the distance from the trajectory point (x1, y1) to the center of the circle according to the center coordinate point O (x, y) corresponding to the input operation plan and the radius R of the circular fence. If the distance>R, the operator is judged to be outside the electronic fence, otherwise, the operator is inside the electronic fence, and the map display module will display the operator outside the electronic fence as a violation on the map;

[0045] If the electronic fence is a circular fence, whether the operator is in the fence is determined based on the plumb line interior point method.

[0046] Furthermore, the method of judging whether the operator is in the fence based on the plumb line interior point method specifically includes the following steps:

[0047] (1) Select the point P to be judged;

[0048] (2) Draw a plumb line from point P:

[0049] Starting from point P, draw a vertical ray downward or upward, and this ray intersects the edge of the polygon;

[0050] (3) Calculate the number of intersections:

[0051] Get the number of intersections between this ray and the edge of the polygon. If the ray passes through a vertex of the polygon and the extension directions of the two edges at the vertex are on both sides of the ray, the vertex is calculated as two intersections; if the extension directions of the two edges are on the same side of the ray, or the ray coincides with an edge of the polygon, the vertex is not calculated as an intersection.

[0052] (4) Determine the position of point P:

[0053] If the number of intersection points is odd, then point P is inside the polygon;

[0054] If the number of intersection points is even or zero, then point P is outside the polygon or on the edge of the polygon.

[0055] Furthermore, the projection conversion includes Miller cylindrical projection or Mercator projection.

[0056] Furthermore, in the Mercator projection, the meridians passing through the Mercator projection are evenly distributed, and the latitude transformation method is as follows: assuming that the latitude coordinate of the current person is Φ, where -90°<Φ<90°, the Mercator projection projects the latitude coordinate to:

[0057]

[0058] in:

[0059] When Φ<0, sign(Φ)=-1;

[0060] When Φ=0, sign(Φ)=0;

[0061] When Φ>0, sign(Φ)=1;

[0062] abs(Φ) is the absolute value of Φ.

[0063] The present invention has the following beneficial effects:

[0064] In the present invention, on-site workers input personnel trajectory data into the trajectory system. The analysis and judgment function module of the trajectory system automatically generates electronic fences of different shapes according to the operation type and equipment information (including equipment type and equipment number) of the operation system, and performs fence analysis on the personnel trajectory data uploaded by the workers in real time. If there is any behavior exceeding the electronic fence, a violation alarm is generated. Accurate analysis and judgment can be automatically performed in real time on different electronic fence situations in multiple scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0065] Figure 1 It is a structural schematic diagram of an intelligent system for analyzing and determining operator trajectories based on geographic information of power equipment according to an embodiment of the present invention.

[0066] Figure 2 It is a flow chart of a method for intelligently analyzing the trajectory of operators based on geographic information of power equipment according to an embodiment of the present invention. DETAILED DESCRIPTION

[0067] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are 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.

[0068] See also Figure 1The embodiment of the present invention provides an intelligent analysis system for operator trajectory based on geographic information of electric power equipment, including:

[0069] Equipment system: used to input the equipment information of the province's power equipment, such as substations, distribution stations, pole tower lines and other equipment and facility data. The equipment information includes its equipment ID, equipment type, geographic coordinates and other information. It is an independently operable system.

[0070] Operation system: used to input the operation plan information of the whole province. An operation plan includes at least the operation type (such as single-point operation, multi-point operation, line operation, etc.), the on-site equipment ID of this operation (there may be multiple devices, in this case it is a collection of equipment IDs), the relevant personnel ID of this operation (generally there will be multiple personnel, that is, a collection of personnel IDs), the operation start time, the operation end time, the operation site ID, the operation point location, etc.

[0071] Track system: The track system mainly consists of three modules, namely, track collection terminal, track analysis module, and map display module. The track collection terminal is used to input the longitude and latitude coordinates of the operator's track in real time, the track analysis module is used to generate the electronic fence corresponding to the work plan and analyze the input track longitude and latitude coordinates, and the map display module is used to display the violation warning information generated by the track analysis module on a map.

[0072] The present invention implements the trajectory analysis of operators in steps, taking the trajectory analysis around an operation plan as an example:

[0073] (1) The operation system determines the operation location based on the operation type and equipment information. In the case of a single operation point such as a substation, the operation point location is a single point; in the case of multiple operation points such as a tower, the operation point location is a collection of multiple operation points.

[0074] (2) The trajectory system generates a neighborhood (such as a circle, polygon, etc.) of the work site based on the site type and work point location provided by the work system, and saves the neighborhood to the analysis system. The neighborhood is also called an electronic fence.

[0075] (3) On-site workers periodically obtain the longitude and latitude coordinates of the workers through the trajectory collection terminal equipment provided by the trajectory system, and upload them to the trajectory system in real time.

[0076] (4) The trajectory analysis module of the trajectory system analyzes and calculates the real-time uploaded operator coordinate points and work point location data to determine whether the electronic fence has been exceeded and generate corresponding violation alarm information.

[0077] (5) Power equipment, personnel information and trajectory data, work plan information, electronic fences and violation alarm information are all displayed in real time on the map function module of the trajectory system.

[0078] On the basis of the above embodiment, the trajectory analysis module may also involve the process of converting the longitude and latitude coordinates of the operator to plane coordinates: This embodiment is based on the Mercator projection, which is a type of cylindrical projection. Since the longitudes after the Mercator projection are evenly distributed, the latitude transformation method is mainly introduced here as follows:

[0079] Assume the current latitude coordinate is Φ, where -90°<Φ<90°. The Mercator projection projects the point to:

[0080]

[0081] in:

[0082] When Φ<0, sign(Φ)=-1;

[0083] When Φ=0, sign(Φ)=0;

[0084] When Φ>0, sign(Φ)=1;

[0085] abs(Φ) is the absolute value of Φ.

[0086] After the operator's longitude and latitude are converted into plane coordinates, the fence relationship of the plane coordinate points can be judged through the electronic fence generated by the map to determine whether the operator's trajectory exceeds the electronic fence.

[0087] The process of judging different electronic fences in the trajectory judging module also includes:

[0088] For circular electronic fences, we usually use the longitude and latitude coordinates O(x,y) of the power equipment as the center, set a circle with a radius of r, and display this circle on the map as the circular electronic fence for the operation. Assume that the longitude and latitude coordinates of the track point uploaded by the current operator are P(x1,y1), and the judgment method is as follows:

[0089] Calculate the intermediate variables first

[0090] a=sin 2 (Δlat / 2)+cos(x)×cos(x1)×sin 2 (Δlon / 2)

[0091] Then calculate the angle c (radians)

[0092]

[0093] Finally calculate the distance

[0094] distance = R × c

[0095] Where R is the radius of the earth, Δlat is the difference in latitude (expressed in radians), that is, x1-x; Δlon is the difference in longitude (expressed in radians), that is, y1-y; atan2 is a two-parameter inverse tangent function, which returns the azimuth from the origin to the point (x,y), that is, the angle with the positive x-axis. The result range of atan2(y,x) is [-π,π]. During the calculation process, the formula for converting longitude and latitude into radians is as follows:

[0096] Radians = degrees × π / 180

[0097] If the distance is greater than the fence radius, the operator is considered to be outside the electronic fence, otherwise, the operator is considered to be inside the electronic fence. Finally, the operator outside the electronic fence will be displayed as a violation on the map.

[0098] For polygonal fences, usually multiple plane point coordinates are used as the reference (plane point coordinates converted according to Mercator projection), and polygonal electronic fences are constructed based on these points. The judgment process of polygonal fences is mainly based on the plumb line interior point method (also known as the odd-even rule or ray method). The specific steps are:

[0099] 1. Select the point P to be judged:

[0100] First, determine a point P, and we want to determine whether this point is inside the polygon.

[0101] 2. Draw a plumb line from point P:

[0102] From point P, draw a vertical ray downward (or upward). This ray will intersect the edge of the polygon.

[0103] 3. Calculate the number of intersections:

[0104] Count the number of intersections between this ray and the edges of the polygon. Note that if the ray passes through a vertex of the polygon and the extension directions of the two edges at the vertex are on both sides of the ray, then the vertex should be counted as two intersections. If the extension directions of the two edges are on the same side of the ray, or the ray coincides with an edge of the polygon, then the vertex should not be counted as an intersection.

[0105] 4. Determine the position of point P:

[0106] If the number of intersection points is odd, then point P is inside the polygon.

[0107] If the number of intersection points is even (including 0), then point P is outside the polygon or on the edge of the polygon.

[0108] See also Figure 2The embodiment of the present invention also provides a method for intelligently analyzing the trajectory of operators based on geographic information of electric power equipment, comprising the following steps:

[0109] Enter the equipment information of the power equipment, the power equipment includes substations, distribution stations, tower lines, and the equipment information includes equipment ID, equipment type, and geographic coordinates;

[0110] Enter the operation plan information, which includes the operation type, the on-site equipment ID of the operation, the ID of the relevant personnel of the operation, and the location of the operation point, where the operation type includes single-point operation, multi-point operation, and line operation;

[0111] Enter the longitude and latitude coordinates of the personnel trajectory uploaded by the operator;

[0112] Generate an electronic fence for the operation based on the operation type and equipment information, and perform trajectory analysis based on the electronic fence and the longitude and latitude coordinates of the personnel trajectory to generate violation warning information;

[0113] The violation warning information will be displayed on the map so that project specialists and work supervisors can discover it in time and take corresponding measures.

[0114] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. An intelligent analysis system for operator trajectory based on geographic information of power equipment, characterized in that: include: The equipment system is used to input the equipment information of the power equipment, the power equipment includes substations, distribution stations, tower lines, and the equipment information includes equipment ID, equipment type, and geographic coordinates; The operation system is used to input the operation plan information, wherein the operation plan information includes the operation type, the on-site equipment ID of the operation, the ID of the relevant personnel of the operation, and the location of the operation point, wherein the operation type includes single-point operation, multi-point operation, and line operation; Track system, including: The trajectory collection terminal is used to input the longitude and latitude coordinates of the personnel trajectory uploaded by the operating personnel; The trajectory analysis module is used to generate the electronic fence of the operation through the operation type entered by the operation system and the equipment information entered by the equipment system, and to perform trajectory analysis based on the electronic fence and the longitude and latitude coordinates of the personnel trajectory entered by the trajectory collection terminal to generate violation alarm information; The map display module is used to display the violation warning information generated by the trajectory analysis module, so that project specialists and work leaders can discover and deal with it in time.

2. The intelligent analysis system for operator trajectory based on power equipment geographic information as claimed in claim 1 is characterized in that: The trajectory analysis module is specifically used for: Project the uploaded longitude and latitude coordinates of the personnel trajectory and convert them into two-dimensional plane coordinate points on the map; After being projected onto the two-dimensional plane coordinates, the trajectory analysis module generates different electronic fences for different operation types and equipment information; If the electronic fence is a circular fence, the trajectory analysis module determines whether the operator is in the fence at the moment by calculating the distance from the trajectory point (x1, y1) to the center of the circle according to the center coordinate point O (x, y) corresponding to the input operation plan and the radius R of the circular fence. If the distance>R, the operator is judged to be outside the electronic fence, otherwise, the operator is inside the electronic fence, and the map display module will display the operator outside the electronic fence as a violation on the map; If the electronic fence is a circular fence, whether the operator is in the fence is determined based on the plumb line interior point method.

3. The intelligent analysis system for operator trajectory based on geographic information of electric power equipment according to claim 2 is characterized in that: The method of judging whether the operator is in the fence based on the plumb line interior point method specifically includes the following steps: (1) Select the point P to be judged; (2) Draw a plumb line from point P: Starting from point P, draw a vertical ray downward or upward, and this ray intersects the edge of the polygon; (3) Calculate the number of intersections: Get the number of intersections between this ray and the edge of the polygon. If the ray passes through a vertex of the polygon and the extension directions of the two edges at the vertex are on both sides of the ray, the vertex is calculated as two intersections; if the extension directions of the two edges are on the same side of the ray, or the ray coincides with an edge of the polygon, the vertex is not calculated as an intersection. (4) Determine the position of point P: If the number of intersection points is odd, then point P is inside the polygon; If the number of intersection points is even or zero, then point P is outside the polygon or on the edge of the polygon.

4. The intelligent analysis system for operator trajectory based on geographic information of electric power equipment according to claim 1, characterized in that: The projection transformation includes Miller cylindrical projection or Mercator projection.

5. The intelligent analysis system for operator trajectory based on geographic information of electric power equipment according to claim 4 is characterized in that: In the Mercator projection, the meridians passing through the Mercator projection are evenly distributed. The latitude transformation method is as follows: Assume that the latitude coordinate of the current person is Φ, where -90°<Φ<90°. The Mercator projection projects the latitude coordinate to: in: When Φ<0, sign(Φ)=-1; When Φ=0, sign(Φ)=0; When Φ>0, sign(Φ)=1; abs(Φ) is the absolute value of Φ.

6. An intelligent analysis method of operator trajectory based on geographic information of power equipment, characterized in that: The steps include: Enter the equipment information of the power equipment, the power equipment includes substations, distribution stations, tower lines, and the equipment information includes equipment ID, equipment type, and geographic coordinates; Enter the operation plan information, which includes the operation type, the on-site equipment ID of the operation, the ID of the relevant personnel of the operation, and the location of the operation point, where the operation type includes single-point operation, multi-point operation, and line operation; Enter the longitude and latitude coordinates of the personnel trajectory uploaded by the operator; Generate an electronic fence for the operation based on the operation type and equipment information, and perform trajectory analysis based on the electronic fence and the longitude and latitude coordinates of the personnel trajectory to generate violation warning information; The violation warning information will be displayed on the map so that project specialists and work supervisors can discover it in time and take corresponding measures.

7. The intelligent analysis method of operator trajectory based on power equipment geographic information as claimed in claim 6 is characterized in that: The electronic fence of the operation is generated by the operation type and equipment information, and the trajectory is analyzed according to the electronic fence and the longitude and latitude coordinates of the personnel trajectory to generate violation warning information, which specifically includes: Project the uploaded longitude and latitude coordinates of the personnel trajectory and convert them into two-dimensional plane coordinate points on the map; After being projected onto two-dimensional plane coordinates, different electronic fences are generated for different operation types and equipment information; If the electronic fence is a circular fence, the trajectory analysis module determines whether the operator is in the fence at the moment by calculating the distance from the trajectory point (x1, y1) to the center of the circle according to the center coordinate point O (x, y) corresponding to the input operation plan and the radius R of the circular fence. If the distance>R, the operator is judged to be outside the electronic fence, otherwise, the operator is inside the electronic fence, and the map display module will display the operator outside the electronic fence as a violation on the map; If the electronic fence is a circular fence, whether the operator is in the fence is determined based on the plumb line interior point method.

8. The intelligent analysis method of operator trajectory based on power equipment geographic information as claimed in claim 7 is characterized in that: The method of judging whether the operator is in the fence based on the plumb line interior point method specifically includes the following steps: (1) Select the point P to be judged; (2) Draw a plumb line from point P: Starting from point P, draw a vertical ray downward or upward, and this ray intersects the edge of the polygon; (3) Calculate the number of intersections: Get the number of intersections between this ray and the edge of the polygon. If the ray passes through a vertex of the polygon and the extension directions of the two edges at the vertex are on both sides of the ray, the vertex is calculated as two intersections; if the extension directions of the two edges are on the same side of the ray, or the ray coincides with an edge of the polygon, the vertex is not calculated as an intersection. (4) Determine the position of point P: If the number of intersection points is odd, then point P is inside the polygon; If the number of intersection points is even or zero, then point P is outside the polygon or on the edge of the polygon.

9. The intelligent analysis method of operator trajectory based on power equipment geographic information as claimed in claim 7, characterized in that: The projection transformation includes Miller cylindrical projection or Mercator projection.

10. The intelligent analysis method of operator trajectory based on power equipment geographic information as claimed in claim 9, characterized in that: In the Mercator projection, the meridians passing through the Mercator projection are evenly distributed. The latitude transformation method is as follows: Assume that the latitude coordinate of the current person is Φ, where -90°<Φ<90°. The Mercator projection projects the latitude coordinate to: in: When Φ<0, sign(Φ)=-1; When Φ=0, sign(Φ)=0; When Φ>0, sign(Φ)=1; abs(Φ) is the absolute value of Φ.

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