CN116935597A - Substation operation site safety behavior monitoring method based on three-dimensional model - Google Patents
Substation operation site safety behavior monitoring method based on three-dimensional model Download PDFInfo
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- CN116935597A CN116935597A CN202311046658.1A CN202311046658A CN116935597A CN 116935597 A CN116935597 A CN 116935597A CN 202311046658 A CN202311046658 A CN 202311046658A CN 116935597 A CN116935597 A CN 116935597A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000004891 communication Methods 0.000 claims description 26
- 238000012545 processing Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 230000006399 behavior Effects 0.000 description 7
- 238000004364 calculation method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 101100328463 Mus musculus Cmya5 gene Proteins 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/10—Constructive solid geometry [CSG] using solid primitives, e.g. cylinders, cubes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/271—Image signal generators wherein the generated image signals comprise depth maps or disparity maps
Abstract
The application belongs to the field of monitoring, and discloses a substation operation site safety behavior monitoring method based on a three-dimensional model, which comprises the following steps: s1, establishing a three-dimensional model of a substation operation site and a three-dimensional model of an operator; s2, acquiring the position of an operator on a transformer substation operation site; s3, displaying the corresponding positions of the three-dimensional model of the operator in the three-dimensional model of the substation operation site according to the positions of the operator; s4, judging the position, and if the distance between the position and the edge of the set risk area is smaller than the set risk distance, carrying out early warning on monitoring personnel; if the distance between the position and the edge of the set risk area is greater than or equal to the set risk distance, no early warning is carried out on monitoring personnel. The application realizes the comprehensive monitoring of the operators on the construction site, and only needs very few monitoring staff to stare at the three-dimensional model, thereby greatly reducing the number of the monitoring staff and reducing the monitoring cost.
Description
Technical Field
The application relates to the field of monitoring, in particular to a substation operation site safety behavior monitoring method based on a three-dimensional model.
Background
The transformer substation is a place for converting voltage and current, receiving electric energy and distributing electric energy in the electric power system. The substation within the power plant is a step-up substation, which functions to step up the electrical energy generated by the generator and feed it into the high voltage grid.
There are numerous risk areas on substation sites, such as high voltage areas, high altitude construction areas, etc. In the prior art, when working is performed on a transformer substation, a safety officer is generally used for observing and reminding operators in the transformer substation, so that the operators are prevented from entering a risk area. However, since the number of operators is large, a large number of safety operators are required to be equipped for observing and reminding the operators, so that the positions of the operators on the operation site of the transformer substation are safely monitored, the cost of the operators entering a risk area is avoided to be too high, and the safety operators cannot stare at each operator every time, so that missed observation can occur.
Disclosure of Invention
The application aims to disclose a three-dimensional model-based substation operation site safety behavior monitoring method, which solves the problems of reducing the cost of monitoring the position of an operator on the operation site of a substation and improving the monitoring efficiency.
In order to achieve the above purpose, the present application provides the following technical solutions:
a substation operation site safety behavior monitoring method based on a three-dimensional model comprises the following steps:
s1, establishing a three-dimensional model of a substation operation site and a three-dimensional model of an operator;
s2, acquiring the position of an operator on a transformer substation operation site;
s3, displaying the corresponding positions of the three-dimensional model of the operator in the three-dimensional model of the substation operation site according to the positions of the operator;
s4, judging the position, and if the distance between the position and the edge of the set risk area is smaller than the set risk distance, carrying out early warning on monitoring personnel; if the distance between the position and the edge of the set risk area is greater than or equal to the set risk distance, no early warning is carried out on monitoring personnel.
Preferably, establishing a three-dimensional model of a substation operation site includes:
and scanning the substation operation site by using a laser scanner, and establishing a three-dimensional model of the substation operation site.
Preferably, establishing a three-dimensional model of a substation operation site includes:
shooting the substation operation site by using a depth camera to obtain a depth image, and establishing a three-dimensional model of the substation operation site based on the depth image.
Preferably, acquiring the position of an operator of the substation operation site includes:
s11, establishing a site communication system on an operation site of a transformer substation;
s12, acquiring the position of an operator through a field communication system.
Preferably, the field communication system is established at the operation site of the transformer substation, comprising:
setting a positioning label on an operator;
setting a receiving base station on a transformer substation operation site;
setting up a monitoring terminal outside the range of a transformer substation operation site;
the positioning tag can communicate with the receiving base station;
the receiving base station can communicate with the monitoring terminal in a single-hop or multi-hop mode;
the three-dimensional model of the substation operation site and the three-dimensional model of the operator can be displayed in the monitoring terminal.
Preferably, the acquiring the position of the operator through the field communication system includes:
the positioning label adopts a self-adaptive positioning period to send positioning notification information to the receiving base station, wherein the positioning notification information comprises the number of an operator;
the receiving base station produces positioning data based on the positioning notification information and sends the positioning data to the monitoring terminal;
the monitoring terminal processes the positioning data by adopting a triangular positioning algorithm to obtain the position of the operator.
Preferably, the producing of the positioning data based on the positioning notification information includes:
the receiving base station measures the signal intensity of the positioning notification information and packages the positioning notification information, the signal intensity and the number of the receiving base station together to generate positioning data.
Preferably, the processing of the positioning data by using a triangulation algorithm to obtain the position of the operator includes:
acquiring a set possig of positioning notification information belonging to the same positioning period and belonging to a positioning tag carried on the same operator based on the number of the operator;
selecting the positioning notification information in the possig to obtain a selection set selcset;
optimizing the signal intensity of the positioning notification information in the selection set selcset to obtain an optimized signal intensity set optiset;
and processing the signal intensity in optiset by using a triangulation algorithm to obtain the position of the operator.
Preferably, before S4, the method further includes:
setting a risk area on a three-dimensional model of a transformer substation operation site;
the risk distances are set for each risk area separately.
Preferably, the early warning is carried out on monitoring personnel, including:
and in the three-dimensional model of the substation operation site, the corresponding three-dimensional model of the operator is subjected to flicker display.
Compared with the existing mode of monitoring operators on the operation site of the transformer substation by adopting a manual mode, the method adopts the three-dimensional modeling technology to establish the three-dimensional model of the operation site and the three-dimensional model of the operators, acquires the positions of the operators through an information technology means, and judges whether to pre-warn the positions of the operators based on the positions, so that the comprehensive monitoring of the operators on the operation site is realized, only a very small number of monitoring operators need to stare at the three-dimensional model, the number of the monitoring operators is greatly reduced, and the monitoring cost is reduced.
Drawings
The present disclosure will become more fully understood from the detailed description given herein below and the accompanying drawings, which are given by way of illustration only, and thus are not limiting of the present disclosure, and wherein:
fig. 1 is a schematic diagram of a substation operation site safety behavior monitoring method based on a three-dimensional model.
Fig. 2 is a schematic diagram of a method of the present application for obtaining the position of an operator at a substation operation site.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below.
As shown in an embodiment of fig. 1, the present application provides a method for monitoring safety behavior of a substation operation site based on a three-dimensional model, including:
s1, establishing a three-dimensional model of a substation operation site and a three-dimensional model of an operator;
s2, acquiring the position of an operator on a transformer substation operation site;
s3, displaying the corresponding positions of the three-dimensional model of the operator in the three-dimensional model of the substation operation site according to the positions of the operator;
s4, judging the position, and if the distance between the position and the edge of the set risk area is smaller than the set risk distance, carrying out early warning on monitoring personnel; if the distance between the position and the edge of the set risk area is greater than or equal to the set risk distance, no early warning is carried out on monitoring personnel.
Compared with the existing mode of monitoring operators on the operation site of the transformer substation by adopting a manual mode, the method adopts the three-dimensional modeling technology to establish the three-dimensional model of the operation site and the three-dimensional model of the operators, acquires the positions of the operators through an information technology means, and judges whether to pre-warn the positions of the operators based on the positions, so that the comprehensive monitoring of the operators on the operation site is realized, only a very small number of monitoring operators need to stare at the three-dimensional model, the number of the monitoring operators is greatly reduced, and the monitoring cost is reduced. The three-dimensional model is adopted for displaying, so that the display of the position of the operator is more visual, and the monitoring personnel can conveniently and rapidly acquire the position of the operator.
Preferably, establishing a three-dimensional model of a substation operation site includes:
and scanning the substation operation site by using a laser scanner, and establishing a three-dimensional model of the substation operation site.
Specifically, the point cloud data of the substation operation site is obtained by scanning with the laser scanner, and the corresponding three-dimensional model can be obtained by modeling the point cloud data.
Preferably, establishing a three-dimensional model of a substation operation site includes:
shooting the substation operation site by using a depth camera to obtain a depth image, and establishing a three-dimensional model of the substation operation site based on the depth image.
The basic process of three-dimensional modeling based on depth cameras includes:
1) Obtaining a depth image of a substation operation site, wherein the depth image contains noise and needs to be preprocessed;
2) Estimating the pose of the camera and unifying the images taken in different poses, which is usually done by finding the point correspondence and estimating the transformation matrix;
3) Fusing the current depth image with the reconstruction model;
4) Color and texture information is added to the model.
Preferably, as shown in fig. 2, acquiring the position of an operator of a substation operation site includes:
s11, establishing a site communication system on an operation site of a transformer substation;
s12, acquiring the position of an operator through a field communication system.
In particular, the field communication system of the present application is reusable, so that the equipment cost and maintenance cost of the field communication system are shared by each use, which results in a much lower cost for monitoring using the field communication system than for monitoring using a large number of security personnel.
Preferably, the field communication system is established at the operation site of the transformer substation, comprising:
setting a positioning label on an operator;
setting a receiving base station on a transformer substation operation site;
setting up a monitoring terminal outside the range of a transformer substation operation site;
the positioning tag can communicate with the receiving base station;
the receiving base station can communicate with the monitoring terminal in a single-hop or multi-hop mode;
the three-dimensional model of the substation operation site and the three-dimensional model of the operator can be displayed in the monitoring terminal.
Specifically, the setting mode of the receiving base station includes:
the operation site of the transformer substation is divided into a plurality of areas with the same size, a receiving base station is arranged in each area, and the receiving base station in each area can communicate with the adjacent receiving base stations.
Specifically, when the monitoring terminal is within the communication range of the receiving base station, the receiving base station communicates with the monitoring terminal in a single-hop mode, otherwise, the receiving base station communicates with the monitoring terminal in a multi-hop mode.
Preferably, the acquiring the position of the operator through the field communication system includes:
the positioning label adopts a self-adaptive positioning period to send positioning notification information to the receiving base station, wherein the positioning notification information comprises the number of an operator;
the receiving base station produces positioning data based on the positioning notification information and sends the positioning data to the monitoring terminal;
the monitoring terminal processes the positioning data by adopting a triangular positioning algorithm to obtain the position of the operator.
Specifically, the positioning tag adopted by the application is an active tag and is self-powered. Active location tags have a larger communication radius than passive location tags and have the ability to autonomously transmit location notification information. Before the positioning label is carried by staff, the number of the operator is written in the positioning label in advance.
Preferably, the sending of the positioning notification information to the receiving base station using the adaptive positioning period includes:
the first positioning period and the second positioning period are preset values;
starting from the third positioning period, the positioning period is calculated by the following steps:
if it isIf the positioning period is larger than the set judgment threshold value, the positioning period is calculated by using the following function:
if it isAnd if the positioning period is smaller than or equal to the set judgment threshold value, calculating the positioning period by using the following function:
wherein distalim is s Representing the communication intensity variation value, posicyc s And posicyc s+1 Respectively representing the s-th positioning period and the s+1th positioning period, wherein lambda is a calculation weight, lambda epsilon (0, 1), mandist represents the maximum value of a preset communication intensity change value, and chamnum s Representing the number of elements in a change set, numlot s Representing the maximum value of the number of elements in the preset change set, and tims representing the preset time length; s is more than or equal to 3;
distaim s the acquisition mode of (a) is as follows:
the positioning tag acquires the set combsset of the receiving base stations in the communication range of the positioning tag at the end of the s-1 th and the s positioning periods s-1 And combsset s ；
Obtaining combsset s-1 And combsset s Is the intersection itrset of (a);
if the ituset is empty, then distaim is directly added s Setting the communication intensity to be the maximum value of a preset communication intensity variation value;
if the itrset is not an empty set, combsset will be s-1 The receiving base station with the maximum signal strength is used as a comparison base station cmpbs;
calculating distalim using the following function s ：
distaim s ＝|siglstr s -siglstr s-1 |
Wherein siglstr is s And siglstr s-1 The signal intensity of the cmpbs detected by the positioning label at the end of the s-1 th positioning period and the s-th positioning period respectively;
chagnum s the acquisition mode of (a) is as follows:
obtaining combsset s Set otbsset of elements not belonging to itrset s ；
Will otbsset s The number of elements in (B) is taken as chagnum s Is a value of (2).
In order to reduce the frequency of battery replacement for the positioning tag, the application sets an adaptive positioning period to send positioning notification information. Transmitting the location notification information only after the last location period is finished s-1 And combsset s Acquisition of (a)The acquisition of the signal intensity of cmpbs and the calculation of the next positioning period; after the calculation is finished, the user enters sleep according to the time length of the next positioning period, and after the sleep is finished, the calculation is performed again. The positioning period can be adaptively changed following the change of the condition of the receiving base station within the communication range of the positioning node. distalim s The smaller the number, chagnum s The smaller the value, the greater the probability of lengthening the positioning period, the smaller the amplitude of the positioning period variation, distaim s The larger the number, chagnum s The larger the value, the larger the probability of shortening the positioning period, and the larger the amplitude of the positioning period change. The method and the device can ensure that the position information of the operator is acquired in time, and the electricity consumption speed of the positioning tag is reduced when the behavior of the operator approaching the risk area is pre-warned, so that the frequency of replacing the battery for the positioning tag is reduced. According to the embodiment, the duration of the positioning label can be prolonged, so that the influence of the replacement of the positioning label on the construction progress is effectively reduced.
Preferably, the producing of the positioning data based on the positioning notification information includes:
the receiving base station measures the signal intensity of the positioning notification information and packages the positioning notification information, the signal intensity and the number of the receiving base station together to generate positioning data.
Specifically, the signal strength is used for calculating the distance between the positioning tag and the receiving base station, so as to realize the triangular positioning.
Preferably, the processing of the positioning data by using a triangulation algorithm to obtain the position of the operator includes:
acquiring a set possig of positioning notification information belonging to the same positioning period and belonging to a positioning tag carried on the same operator based on the number of the operator;
selecting the positioning notification information in the possig to obtain a selection set selcset;
optimizing the signal intensity of the positioning notification information in the selection set selcset to obtain an optimized signal intensity set optiset;
and processing the signal intensity in optiset by using a triangulation algorithm to obtain the position of the operator.
Specifically, for the positioning data in the same positioning period, the difference of the time when the receiving base station in the communication range of the communication tag receives the positioning notification information is very small, and the positioning data in the same positioning period can be well identified by utilizing the difference. And the number of the operator in the positioning notification information can be used for identifying the positioning notification information belonging to the positioning label carried on the same operator.
Because the triangle positioning only needs a small amount of data, the application screens the positioning notification information and stores the positioning notification information with better quality into the selection set, thereby improving the accuracy of final positioning.
Preferably, the selecting the location notification information in the possig to obtain the selection set selcset includes:
saving the receiving base stations corresponding to the positioning notification information in the possig to a set possig set;
calculating the selection coefficient of each receiving base station in the possigset:
wherein, the chocoef d Representing the selection coefficient, w, of the receiving base station d 1 And w 2 Respectively represent the distance weight and the signal weight, w 1 And w is equal to 2 The sum is 1, distmid d Representing the distance between the receiving base station d and the average coordinates of the receiving base stations in posigset, madistmid representing the maximum value of the distance between the receiving base stations in posigset and said average coordinates, siglstr d A signal strength indicating the location notification information received by the receiving base station d, and a maximum value of the signal strength indicating the location notification information received by the receiving base station in the possisset;
and storing the positioning notification information corresponding to the first 3 receiving base stations with the largest selection coefficients into a selection set selcset.
When the positioning tag transmits the positioning notification information, the transmitted signal propagates all around, so that the receiving base stations in the communication range of the positioning tag can receive the positioning notification information, and the strength of the received positioning notification information is not necessarily the same even if the distances between the plurality of receiving base stations and the positioning tag are the same due to the influence of factors such as shielding and scattering. Therefore, the application selects the positioning notification information in the possig by setting the selection coefficient, so that the smaller the distance between the positioning notification information and the average coordinate is, the larger the selection coefficient of the receiving base station with larger signal strength for receiving the positioning notification information is, thereby effectively reducing the influence of factors such as shielding, scattering and the like on positioning, being beneficial to selecting high-quality receiving base stations and positioning notification information, and improving the positioning accuracy.
Preferably, the optimizing the signal strength of the positioning notification information in the selection set selcset includes:
and a represents the positioning notification information in the selection set selcset by a, represents the receiving base station corresponding to the signal strength a by b, and optimizes the signal strength of the positioning notification information a by using the following formula:
wherein, siglsthr a,b,bf A value showing the signal strength of the positioning notification information a received by the receiving base station b before being optimized a,b,af A numerical value indicating that the signal strength of the positioning notification information a received by the receiving base station b is optimized, eta is a weight coefficient, eta is more than 0 and less than 1, neib indicates a set of receiving base stations adjacent to the receiving base station b and receiving the positioning notification information a, and wit j Representing siglsthr a,j,bf Weight value of siglsthr a,j,bf A value indicating a value before the signal strength of the positioning notification information a received by the receiving base station j is optimized,
in the above calculation mode, the present application calculates siglsthr based on the signal strength of the positioning notification information a received by other receiving base stations adjacent to the receiving base station b a,b,bf The influence degree of accidental factors on the signal intensity finally used for carrying out triangular positioning can be reduced by optimizing, and therefore the accuracy of the obtained positioning result is improved. Specifically, the signal strength for positioning includes, in addition to the signal strength obtained by the receiving base station b itself, a weighted value of the signal strengths of the positioning notification information a received by other receiving base stations adjacent to the receiving base station b. The closer the distance between the receiving base station b and the receiving base station b is, the larger the weight value is, so that the accuracy of the weighting result is further improved.
Preferably, the processing the signal strength in optiset by using a triangulation algorithm to obtain the position of the operator includes:
calculating the distance corresponding to each signal intensity in optiset;
acquiring coordinates of a receiving base station corresponding to the signal intensity in optiset;
and inputting the distance corresponding to each signal intensity in the optiset and the coordinates of the receiving base station corresponding to the signal intensity in the optiset into a triangulation algorithm, and calculating to obtain the position of the operator.
Preferably, before S4, the method further includes:
setting a risk area on a three-dimensional model of a transformer substation operation site;
the risk distances are set for each risk area separately.
In particular, different hazard distances can also be set for hazard areas of different hazard degrees.
Preferably, the early warning is carried out on monitoring personnel, including:
and in the three-dimensional model of the substation operation site, the corresponding three-dimensional model of the operator is subjected to flicker display.
Specifically, the early warning mode may further include early warning by playing a preset early warning sound.
After receiving the early warning notification, the monitoring personnel can notify a safety person responsible for the safety of an area through the interphone, so that the safety person can notify the operator that the safety person does not approach the risk area.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The substation operation site safety behavior monitoring method based on the three-dimensional model is characterized by comprising the following steps of:
s1, establishing a three-dimensional model of a substation operation site and a three-dimensional model of an operator;
s2, acquiring the position of an operator on a transformer substation operation site;
s3, displaying the corresponding positions of the three-dimensional model of the operator in the three-dimensional model of the substation operation site according to the positions of the operator;
s4, judging the position, and if the distance between the position and the edge of the set risk area is smaller than the set risk distance, carrying out early warning on monitoring personnel; if the distance between the position and the edge of the set risk area is greater than or equal to the set risk distance, no early warning is carried out on monitoring personnel.
2. The method for monitoring the safety behavior of the operation site of the transformer substation based on the three-dimensional model according to claim 1, wherein the step of establishing the three-dimensional model of the operation site of the transformer substation comprises the following steps:
and scanning the substation operation site by using a laser scanner, and establishing a three-dimensional model of the substation operation site.
3. The method for monitoring the safety behavior of the operation site of the transformer substation based on the three-dimensional model according to claim 1, wherein the step of establishing the three-dimensional model of the operation site of the transformer substation comprises the following steps:
shooting the substation operation site by using a depth camera to obtain a depth image, and establishing a three-dimensional model of the substation operation site based on the depth image.
4. The method for monitoring the safety behavior of a substation operation site based on the three-dimensional model according to claim 1, wherein obtaining the position of an operator of the substation operation site comprises:
s11, establishing a site communication system on an operation site of a transformer substation;
s12, acquiring the position of an operator through a field communication system.
5. The method for monitoring the safety behavior of a working site of a transformer substation based on the three-dimensional model according to claim 4, wherein the step of establishing a site communication system at the working site of the transformer substation comprises the following steps:
setting a positioning label on an operator;
setting a receiving base station on a transformer substation operation site;
setting up a monitoring terminal outside the range of a transformer substation operation site;
the positioning tag can communicate with the receiving base station;
the receiving base station can communicate with the monitoring terminal in a single-hop or multi-hop mode;
the three-dimensional model of the substation operation site and the three-dimensional model of the operator can be displayed in the monitoring terminal.
6. The method for monitoring the safety behavior of a substation operation site based on the three-dimensional model according to claim 5, wherein the step of acquiring the position of an operator through a site communication system comprises the steps of:
the positioning label adopts a self-adaptive positioning period to send positioning notification information to the receiving base station, wherein the positioning notification information comprises the number of an operator;
the receiving base station produces positioning data based on the positioning notification information and sends the positioning data to the monitoring terminal;
the monitoring terminal processes the positioning data by adopting a triangular positioning algorithm to obtain the position of the operator.
7. The method for monitoring the safety behavior of a substation operation site based on the three-dimensional model according to claim 6, wherein the positioning data is produced based on the positioning notification information, comprising:
the receiving base station measures the signal intensity of the positioning notification information and packages the positioning notification information, the signal intensity and the number of the receiving base station together to generate positioning data.
8. The method for monitoring the safety behavior of a transformer substation operation site based on the three-dimensional model according to claim 7, wherein the processing of the positioning data by adopting the triangulation algorithm to obtain the position of the operator comprises the following steps:
acquiring a set possig of positioning notification information belonging to the same positioning period and belonging to a positioning tag carried on the same operator based on the number of the operator;
selecting the positioning notification information in the possig to obtain a selection set selcset;
optimizing the signal intensity of the positioning notification information in the selection set selcset to obtain an optimized signal intensity set optiset;
and processing the signal intensity in optiset by using a triangulation algorithm to obtain the position of the operator.
9. The method for monitoring the safety behavior of a substation operation site based on the three-dimensional model according to claim 1, further comprising, before S4:
setting a risk area on a three-dimensional model of a transformer substation operation site;
the risk distances are set for each risk area separately.
10. The substation operation site safety behavior monitoring method based on the three-dimensional model according to claim 1, wherein the monitoring personnel are pre-warned, comprising:
and in the three-dimensional model of the substation operation site, the corresponding three-dimensional model of the operator is subjected to flicker display.
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