CN117351434A - Working area personnel behavior specification monitoring and analyzing system based on action recognition - Google Patents
Working area personnel behavior specification monitoring and analyzing system based on action recognition Download PDFInfo
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Abstract
The invention belongs to the technical field of personnel behavior monitoring, and particularly discloses a working area personnel behavior specification monitoring analysis system based on action recognition, which comprises the following components: the system comprises a personnel operation information importing module, a personnel configuration data monitoring module, a personnel environment data acquisition module, a personnel operation action monitoring module, a hanging rope setting standard evaluation module, a hanging rope setting correction analysis terminal, a tool database and a hanging rope setting feedback terminal. According to the invention, through evaluating the length of the hanging rope and the standardization of the safety allowance of the hanging rope and confirming the adapting hanging rope length and the adapting hanging rope safety allowance, the problem that the current setting of the standardization attention to the hanging rope length and the hanging rope safety allowance of outdoor high-altitude operation is insufficient is effectively solved, the defect that an operator automatically adjusts according to experience or the standard of fixing the hanging rope is overcome, the safety guarantee of the outdoor operator is further improved, and the reliability and stability of the operation of the outdoor operator are ensured.
Description
Technical Field
The invention belongs to the technical field of personnel behavior monitoring, and particularly relates to a working area personnel behavior specification monitoring analysis system based on action recognition.
Background
In construction engineering, outdoor high-altitude operations generally include construction, maintenance, cleaning, or installation at high altitudes. The standardization of monitoring personnel behavior in outdoor high-altitude operation areas is an important ring for ensuring the safety of workplaces, so that preventive measures can be taken, and accidents and injuries are reduced.
At present, the behavior standard monitoring of personnel in an outdoor high-altitude operation area is mainly concentrated on the personnel body level, namely, the safety wearing condition, the gesture and the action of personnel at high altitude and the standardability of the position of the personnel are evaluated, so that the safety of the operation personnel is evaluated, the monitoring on the personnel safety wearing level is mainly focused on the safety helmet configuration and safety wearing or not level, and the standardability monitoring on the hanging rope setting of the personnel is also insufficient in the following aspects: 1. setting up normative attention to string length and not enough, most present operating personnel carry out automatic adjustment according to experience and fixed string standard, have the unreasonable condition of rope length selection, and then have overlength increase operating personnel and take place swing, collision or other dangerous probability, also have too short restriction workman's activity possibility, and then can't reduce operating personnel adjustment demand frequency, lead to outdoor operating personnel's safety guarantee still to have certain shortfall, also can't improve the coverage rate of risk elimination.
2. The safety margin of the hanging rope is provided with insufficient normalization attention, the safety margin is currently fixed, and the actual action condition and the actual environment information of the staff are not combined to carry out comprehensive setting, so that the safety margin of the hanging rope has certain error.
3. The specific characteristics of the emergency situation and the working environment are not considered, so that workers are difficult to quickly and safely leave a dangerous area under the emergency situation, and the stability and safety of the workers are affected.
Disclosure of Invention
In view of this, in order to solve the problems set forth in the background art, a system for monitoring and analyzing the behavior specification of personnel in a working area based on action recognition is now provided.
The aim of the invention can be achieved by the following technical scheme: the invention provides a working area personnel behavior specification monitoring and analyzing system based on action recognition, which comprises: and the personnel operation information importing module is used for recording personnel in the outdoor high-altitude operation area as monitoring personnel and importing basic information and operation information of the monitoring personnel.
The personnel configuration data monitoring module is used for monitoring the hanging rope and the working tool of the monitoring personnel, obtaining the current hanging rope length, the current hanging rope safety margin, the working tool information and the apparent three-dimensional map of the working area, and taking the current hanging rope safety margin, the working tool information and the apparent three-dimensional map as configuration data of the monitoring personnel.
The personnel environment data acquisition module is used for acquiring wind direction and wind speed data of a monitoring area where monitoring personnel are located, and the wind speed data are wind speeds at all acquisition time points.
And the personnel operation action monitoring module is used for monitoring the operation actions of the monitoring personnel in the current accumulated operation time period to obtain an operation action monitoring video.
And the hanging rope setting standard evaluation module is used for carrying out hanging rope length standard evaluation and hanging rope safety margin standard evaluation according to the operation action monitoring video, the wind speed data, the configuration data and the operation information.
And the hanging rope setting correction analysis terminal is used for confirming the length of the adaptive hanging rope when the standard evaluation result of the hanging rope length is out of standard, and confirming the safety allowance of the adaptive hanging rope when the standard evaluation result of the hanging rope safety allowance is out of standard.
And the tool database is used for storing the images and the weights of the overhead working tools.
And the hanging rope setting feedback terminal is used for sending the adapting hanging rope length and the adapting hanging rope safety allowance to the prompting terminal worn by the monitoring personnel to carry out hanging rope setting prompt.
Preferably, the standard evaluation of the length of the hanging rope is carried out, and the specific evaluation process is as follows: and extracting a working tool image from the working tool information of the monitoring personnel, and cutting out a contour image of each working tool from the working tool image.
Matching and comparing the contour image of each working tool with the image of each overhead working tool stored in the tool database to obtain the weight of each working tool, and further accumulating to obtain the suspended load of the working tool of the monitoring personnel。
Extracting the height of the working area from the working information of the monitoring personnelAnd according to the operation action monitoring video of the monitoring personnel, the action switching frequency, the gesture type number and the gesture amplitude of the monitoring personnel are confirmed and respectively recorded as +.>、/>And->。
Will beFloating hanging rope length as monitoring person>，/>Respectively set suspension load of interference working tool, height of interference working area, switching frequency of interference action, number of interference gesture types, amplitude of interference gesture, +.>And correspondingly increasing the length of the hanging rope for the set interference factor of the length of the hanging rope.
If it isAnd if the deviation value is larger than the set allowable hanging rope length deviation value, taking the non-standard value as a hanging rope length standardability assessment result, otherwise taking the standard value as a hanging rope length standardability assessment result.
Preferably, the determining the action switching frequency of the monitoring person includes: and identifying the monitoring personnel in the operation action monitoring video by using a target detection algorithm, tracking the motion trail of the monitoring personnel in different frames of the operation action monitoring video, and identifying the joint position data of the monitoring personnel in different frames by using a gesture estimation model.
Based on the joint position data of the monitoring personnel in different frames, different actions are identified through an action identification algorithm, the starting time and the ending time of the different actions are marked, so that action time sequence data are generated, and the action switching frequency of the monitoring personnel is calculated according to the time sequence data.
Preferably, the making of the standardized assessment of the safety margin of the hanging rope comprises: according to the wind speed of each acquisition time point and the operation tool information of monitoring personnel, the load layer is set to be suitable for increasing the safety margin of the hanging rope。
According to the wind speed of each acquisition time point, the gesture type number and gesture amplitude of monitoring personnel, the gesture layer is set to be suitable for increasing the safety margin of the hanging rope。
According to the wind speed of each acquisition time point and the operation information of monitoring personnel, the set range level is suitable for increasing the safety margin of the hanging rope。
Will be、/>And->The difference is carried out in pairs to obtain the difference of the safety residual quantity of each suitable increased hanging rope, if the difference of the safety residual quantity of each suitable increased hanging rope is within the set deviation range of the increased residual quantity, the difference is +.>The rope hanging safety margin is properly increased as a monitoring person, and if the rope hanging safety margin difference is out of the set safety margin increasing deviation range, the rope hanging safety margin is increased by +.>The safety margin of the hanging rope is properly increased as a monitoring person.
And comparing the absolute value of the rope hanging safety margin which is suitable for the monitoring personnel with the set allowable rope hanging safety margin difference, if the absolute value of the rope hanging safety margin which is suitable for the monitoring personnel is larger than the set allowable rope hanging margin difference, taking the non-normative as a rope hanging safety margin normative assessment result, and otherwise taking the normative as a rope hanging safety margin normative assessment result.
Preferably, the setting the load level suitably increases a hanging rope safety margin, including: locating the weight of the monitoring person from the basic information of the monitoring personThe corresponding hanging rope rigidity of monitoring personnel>The rigidity of the hanger corresponding to the monitoring personnel>。
Locating the position of each work tool from the work tool image, and setting the load distribution interference weight factor accordingly。
From the work tool image according to the wind directionThe effective cross-sectional area of each working tool is positioned and summed to obtain the comprehensive effective cross-sectional area of the working tool。
Screening the maximum wind speed from the wind speeds of all the acquisition time points, and marking asStatistical suspension load swing frequency->，/>，/>For air density->For resistance coefficient>Gravitational acceleration.
Statistical suspension load swing amplitude，/>。
Statistics of suspension load disturbance trend，/>，/>、/>Respectively set the reference load swing frequency and minusAmplitude of carrier swing.
And matching and comparing the suspension load interference trend with the set suspension load interference trend corresponding to the proper increase of the rope hanging safety margin to obtain the suspension load interference trend corresponding to the proper increase of the rope hanging safety margin, and taking the suspension load interference trend as a load layer to properly increase the rope hanging safety margin.
Preferably, the specific setting formula for properly increasing the safety margin of the hanging rope by the attitude setting layer is as follows:
，/>for the set high-altitude operation disturbance wind speed, +.>The unit attitude interference factor is correspondingly suitable for increasing the rope hanging safety margin under the condition that the wind speed is not interfered and the wind speed is interfered, and the rope hanging safety margin is increased>The number of the interference gesture types and the interference gesture amplitude under the set wind speed interference condition are respectively set.
Preferably, the setting range layer is suitable for increasing the safety margin of the hanging rope, and comprises the following steps: locating the width of the working area from the working information of the monitoring personnel and marking the width as。
The statistical range layer is suitable for increasing the safety margin of the hanging rope，/>，The width of the interference operation area under the condition that the set wind speed is not interfered and the wind speed is interfered is respectively，/>The safety margin of the hanging rope is increased correspondingly and appropriately for the set width difference of the unit operation area.
Preferably, the confirming the adapting of the hanging rope length comprises: the current hanging rope length is recorded asAnd confirms the reference hanging rope length of the monitoring personnel>。
Constructing a wind speed change curve by taking time as an abscissa and wind speed as an ordinate, and positioning the total length of a curve segment above the set high-altitude operation interference wind speed in the wind speed change curveAnd the interval duration between the curve sections above the set high-altitude operation interference wind speed +.>，/>Numbering the curve segment above the set high-altitude operation interference wind speed, < >>。
Setting an environmental error compensation factor，/>，/>To set the reference interval duration +.>For the length of the wind speed variation curve>For the number of curve segments above a set high-altitude operational disturbance wind speed.
Will beAs an adaptation of the hanging rope length.
Preferably, the identifying the reference hanging rope length of the monitoring personnel includes: locating the number of protruding wall structures of the working outer wall surface from the apparent three-dimensional map of the working areaAnd the contour volume of each protruding wall structure, and the maximum value is selected from the contour volumes of each protruding wall structure and is marked as +.>。
Counting the reference hanging rope length of monitoring personnel，/>，/>For the degree of disturbance of the work area->，/>The interference degree of the operation of the reference operation area is set for the set interference protruding structure volume, < >>The length of the hanging rope is correspondingly compensated for the set interference deviation of unit operation.
Preferably, said confirming the adapted roping safety margin comprises: the safety margin of the current hanging rope of the monitoring personnel and the suitability for increasing the hangingThe safety margins of the ropes are respectively recorded asAnd->。
Positioning the protruding height of each protruding wall structure below the monitoring personnel from the apparent three-dimensional map of the operation area, and screening the maximum protruding heightTaking the protruding wall structure with the maximum protruding height as a target wall structure, and extracting the vertical distance between an operator and the target protruding wall structure, and marking the vertical distance as +.>。
Setting safety margin of emergency avoidance hanging rope，
。
Will beAs a safety margin for the adapting hanging rope, < >>Correspondingly increasing the safety margin of the rope hanging for the set unit action switching frequency difference, and adding the rope hanging to the unit action switching frequency difference>And limiting the safety margin of the hanging rope for the set outdoor high-altitude operation.
Compared with the prior art, the invention has the following beneficial effects: (1) According to the invention, through carrying out the standard evaluation of the hanging rope length, the problem that the current setting of the standard attention degree for the hanging rope length of outdoor high-altitude operation is insufficient is effectively solved, the defect that an operator carries out automatic adjustment according to experience and the standard of fixing the hanging rope is overcome, the probability of swinging, collision or other dangers of the operator caused by overlong hanging rope length is further reduced, meanwhile, the limitation of the too short hanging rope length on the activity of the operator is avoided, the hanging rope adjustment requirement frequency of the operator in the high-altitude operation process is reduced to the greatest extent, the safety guarantee of the outdoor operator is further remarkably improved, the coverage rate of the outdoor operation risk elimination is also improved, and the operation reliability and the operation stability of the outdoor high-altitude operator are ensured.
(2) According to the invention, through carrying out the standardization assessment of the rope hanging safety margin by combining the actual action condition, the actual environment information and the operation tool information of the operators, the problem that the standardization attention is insufficient in the current rope hanging safety margin setting is solved, meanwhile, the limitation of the current fixed rope hanging safety margin is relieved, and the error of the current rope hanging safety margin setting is reduced, so that the pertinence and the suitability of the outdoor overhead operator safety margin setting are ensured, and more powerful safety guarantee is provided for the outdoor overhead operators on the premise of not interfering the operation of the operators.
(3) According to the invention, when the adaptive hanging rope safety allowance is confirmed, the emergency avoiding hanging rope safety allowance is set by combining the protruding structure information of the operation area, so that the defect that the emergency situation and the specific characteristics of the operation environment are not considered at present is overcome, the guarantee is provided for the operation workers to quickly and safely leave the dangerous area in the emergency situation, meanwhile, the flexibility and the feasibility of the operation workers to avoid the obstacle are facilitated, and the influence on the operation stability and the operation safety of the operation workers is further reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the system module connection of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides a system for monitoring and analyzing personnel behavior specification in a working area based on action recognition, the system comprising: the system comprises a personnel operation information importing module, a personnel configuration data monitoring module, a personnel environment data acquisition module, a personnel operation action monitoring module, a hanging rope setting standard evaluation module, a hanging rope setting correction analysis terminal, a tool database and a hanging rope setting feedback terminal.
The hanging rope setting standard evaluation module is respectively connected with the personnel operation information importing module, the personnel configuration data monitoring module, the personnel environment data acquisition module, the personnel operation action monitoring module, the hanging rope setting correction analysis terminal and the tool database, and the hanging rope setting correction analysis terminal is also respectively connected with the personnel configuration data monitoring module, the personnel environment data acquisition module and the hanging rope setting feedback terminal.
The personnel operation information importing module is used for recording personnel in the outdoor high-altitude operation area as monitoring personnel and importing basic information and operation information of the monitoring personnel.
Specifically, the basic information of the monitoring personnel includes, but is not limited to, the weight of the monitoring personnel, the corresponding hanging rope rigidity of the monitoring personnel and the corresponding hanging tool rigidity of the monitoring personnel.
Still more specifically, the job information of the monitoring person includes, but is not limited to, a job area height, a job area width.
The personnel configuration data monitoring module is used for monitoring the hanging rope and the working tool of the monitoring personnel, obtaining the current hanging rope length, the current hanging rope safety allowance, the working tool information and the apparent three-dimensional map of the working area, and taking the current hanging rope length, the current hanging rope safety allowance, the working tool information and the apparent three-dimensional map of the working area as configuration data of the monitoring personnel.
Specifically, the work tool information includes, but is not limited to, a work tool image.
The personnel environment data acquisition module is used for acquiring wind direction and wind speed data of a monitoring area where monitoring personnel are located, and the wind speed data are wind speeds at all acquisition time points.
The personnel operation action monitoring module is used for monitoring the operation actions of monitoring personnel in the current accumulated operation time period to obtain an operation action monitoring video.
And the hanging rope setting standard evaluation module is used for carrying out hanging rope length standard evaluation and hanging rope safety margin standard evaluation according to the operation action monitoring video, the wind speed data, the configuration data and the operation information.
Illustratively, the hanging rope length normalization evaluation is carried out, and the specific evaluation process is as follows: and E1, extracting a working tool image from the working tool information of the monitoring personnel, and cutting out a contour image of each working tool from the working tool image.
E2, matching and comparing the contour image of each working tool with the image of each overhead working tool stored in the tool database to obtain the weight of each working tool, and further accumulating to obtain the suspending load of the working tool of the monitoring personnel。
The weight of each work tool was obtained by: if the contour image of a certain working tool is successfully matched with the image of a certain working tool, the weight of the working tool is positioned from a tool database and used as the weight of the working tool, and accordingly the weight of each working tool is obtained.
In one embodiment, the weight of the hanging load may affect the setting of the safety margin and the length of the hanging rope, and dynamic effects such as oscillations or sudden force increases may occur when the hanging load moves or suddenly changes. Especially in the case of high wind, the length of the hanging rope needs to be adjusted, and the safety margin is increased.
E3, extracting the height of the working area from the working information of the monitoring personnelAnd according to the operation action monitoring video of the monitoring personnel, the action switching frequency, the gesture type number and the gesture amplitude of the monitoring personnel are confirmed and respectively recorded as +.>、/>And->。
Understandably, confirming the action switching frequency of the monitoring person includes: and W1, identifying monitoring personnel in the operation action monitoring video by using a target detection algorithm, tracking the motion trail of the monitoring personnel in different frames of the operation action monitoring video, and identifying joint position data of the monitoring personnel in different frames by using a gesture estimation model.
W2, based on joint position data of monitoring personnel in different frames, performing different action recognition through an action recognition algorithm, marking the starting time and the ending time of different actions, generating action time sequence data, and calculating the action switching frequency of the monitoring personnel according to the time sequence data.
The operation switching frequency is calculated by counting the number of occurrences of the operation and dividing the counted number by the total observation time.
In a specific embodiment, the target detection algorithm is an existing algorithm, which may specifically adopt algorithms such as YOLO algorithm or FasterR-CNN algorithm, the pose estimation model is an existing model, which may specifically adopt an openPose model or an alphaPose model, and the motion recognition algorithm is an existing algorithm, which may specifically adopt a model based on a space-time convolutional network or a time sequence analysis algorithm.
Further, it should be noted that, confirming the number of gesture types and gesture magnitudes of the monitoring person includes: q1, dividing the motion monitoring video into video frames, taking the video frames as convolutional neural network input data, and outputting position coordinates of monitoring personnel corresponding to key points in the video frames through the convolutional neural network.
Q2, if the position coordinates of each key point corresponding to the monitoring personnel in a certain video frame are the same as those of other video frames, taking the video frame as a removed video frame, removing each removed video frame from each video frame, and taking the remaining video frame after removing as the gesture type number of the monitoring personnel.
And Q3, connecting the monitoring personnel in each video frame corresponding to each key point to form a skeleton model of the monitoring personnel in each video frame.
Q4, comparing the skeleton model of the monitoring person in each video frame with the set skeleton model set corresponding to each gesture amplitude, and if the skeleton model corresponding to the monitoring person in a certain video frame is located in the skeleton model set corresponding to the gesture amplitude, taking the gesture amplitude as the gesture amplitude of the monitoring person in the video frame, further extracting the maximum value from the gesture amplitude of the monitoring person in each video frame, and taking the maximum value as the gesture amplitude of the monitoring person.
In one embodiment, the key points represent individual joints of the body, such as the head, shoulders, elbows, wrists, buttocks, knees and ankles.
E4, willFloating hanging rope length as monitoring person>，/>Respectively set suspension load of interference working tool, height of interference working area, switching frequency of interference action, number of interference gesture types, amplitude of interference gesture, +.>And correspondingly increasing the length of the hanging rope for the set interference factor of the length of the hanging rope.
E5, ifAnd if the deviation value is larger than the set allowable hanging rope length deviation value, taking the non-standard value as a hanging rope length standardability assessment result, otherwise taking the standard value as a hanging rope length standardability assessment result.
According to the embodiment of the invention, through carrying out the standard evaluation of the hanging rope length, the problem that the current setting of the standard attention degree for the hanging rope length of outdoor high-altitude operation is insufficient is effectively solved, the defect that an operator carries out automatic adjustment according to experience and the standard of fixing the hanging rope is overcome, the probability of swinging, collision or other dangers of the operator caused by overlong hanging rope length is further reduced, meanwhile, the limitation of the too short hanging rope length on the activity of the operator is avoided, the hanging rope adjustment requirement frequency of the operator in the high-altitude operation process is reduced to the greatest extent, the safety guarantee of the outdoor operator is further remarkably improved, the coverage rate of the outdoor operation risk elimination is also improved, and the operation reliability and the operation stability of the outdoor high-altitude operator are ensured.
Still another exemplary, a roping safety margin normalization assessment is performed, comprising: x1, setting a load layer to properly increase the safety margin of the hanging rope according to the wind speed of each acquisition time point and the operation tool information of monitoring personnel。
Understandably, setting the load level is suitable for increasing the roping safety margin, including: x11, locating the weight of the monitoring personnel from the basic information of the monitoring personnelThe corresponding hanging rope rigidity of monitoring personnel>The rigidity of the hanger corresponding to the monitoring personnel>。
X12Positioning the position of each work tool from the work tool image, and setting the load distribution interference weight factor accordingly。
The specific setting process for setting the load distribution interference weight factor is as follows: if all the working tools are positioned on one side of the body of the monitoring personnel at the same time, marking the stable distribution interference weight factors of the working tools asIf the working tools are distributed on two sides of the body of the monitoring person, the two sides of the body of the monitoring person are respectively marked as a first side and a second side.
Cutting out the contour image of each working tool positioned in the first side of the monitoring personnel from the working tool images, further obtaining the weight of each working tool positioned in the first side of the monitoring personnel, and summing the weights to obtain the sum of the weights of the working tools positioned in the first side of the monitoring personnelThe weight sum of the working tools on the second side of the monitoring staff is obtained in the same way according to the obtaining mode of the weight sum of the working tools on the first side of the monitoring staff>Will->As a work tool, a stable disturbance weight factor is distributed and denoted +.>，/>To set the reference weight deviation, a load distribution disturbance weight factor is determined>，/>The value is +.>Or->，/>。
In one embodiment, to facilitate numerical analysis,the value may be 1.
X13, positioning the effective cross-sectional area of each working tool from the working tool image according to the wind direction, and summing to obtain the comprehensive effective cross-sectional area of the working tools。
The effective cross section refers to a plane perpendicular to the wind direction in the work tool, and the effective cross section area refers to an area perpendicular to the wind direction plane in the work tool.
X14, screening out the maximum wind speed from the wind speeds of all the acquisition time points, and marking asStatistical suspension load swing frequency->，/>，/>For air density->For resistance coefficient>Gravitational acceleration.
X15, statistics of suspension load swing amplitude，/>。
X16, statistics of suspension load disturbance trend，/>，/>、The reference load swing frequency and the load swing amplitude are set respectively.
And X17, matching and comparing the suspension load interference trend with the set suspension load interference trend corresponding to the proper increase of the rope hanging safety margin to obtain the suspension load interference trend corresponding to the proper increase of the rope hanging safety margin, and taking the suspension load interference trend as a load layer to properly increase the rope hanging safety margin.
X2, setting a gesture layer to properly increase the safety margin of the hanging rope according to the wind speed of each acquisition time point, the gesture type number and gesture amplitude of monitoring personnel，/>，For the set high-altitude operation disturbance wind speed, +.>For the condition of wind speed interference under the condition of wind speed interferenceThe lower unit posture interference factor is correspondingly suitable for increasing the safety margin of the hanging rope, and is +.>The number of the interference gesture types and the interference gesture amplitude under the set wind speed interference condition are respectively set.
X3, according to the wind speed of each acquisition time point and the operation information of monitoring personnel, the set range level is suitable for increasing the safety margin of the hanging rope。
Understandably, the setting range layer is suitable for increasing the safety margin of the hanging rope, comprising: locating the width of the working area from the working information of the monitoring personnel and marking the width as。
The statistical range layer is suitable for increasing the safety margin of the hanging rope，/>，/>The width of the disturbance operation area under the condition that the set wind speed is not disturbed and the wind speed is disturbed is +.>The safety margin of the hanging rope is increased correspondingly and appropriately for the set width difference of the unit operation area.
X4, will、/>And->Respectively carrying out the difference between every two processes to obtain each fitThe safety margin difference of the hanging rope is preferably increased, and if the safety margin difference of each hanging rope is in the set margin increasing deviation range, the weight of the hanging rope is increased>The rope hanging safety margin is properly increased as a monitoring person, and if the rope hanging safety margin difference is out of the set safety margin increasing deviation range, the rope hanging safety margin is increased by +.>The safety margin of the hanging rope is increased as a monitoring person>Is indicated at->、/>、/>And takes the maximum value.
And X5, comparing the absolute value of the rope hanging safety margin which is suitable for the monitoring personnel with the set allowable rope hanging safety margin difference, if the absolute value of the rope hanging safety margin which is suitable for the monitoring personnel and is increased is larger than the set allowable rope hanging margin difference, taking the non-normative as a rope hanging safety margin normative assessment result, and otherwise taking the normative as a rope hanging safety margin normative assessment result.
According to the embodiment of the invention, through carrying out the standardization assessment of the rope hanging safety margin by combining the actual action condition, the actual environment information and the operation tool information of the operator, the problem that the standardization attention is insufficient in the current rope hanging safety margin setting is solved, meanwhile, the limitation of the current fixed rope hanging safety margin is relieved, the error of the current rope hanging safety margin setting is reduced, the pertinence and the suitability of the outdoor overhead operator safety margin setting are ensured, and more powerful safety guarantee is provided for the outdoor overhead operator on the premise of not interfering the operation of the operator.
And the hanging rope setting correction analysis terminal is used for confirming the length of the adaptive hanging rope when the standard evaluation result of the hanging rope length is out of standard and confirming the safety allowance of the adaptive hanging rope when the standard evaluation result of the hanging rope safety allowance is out of standard.
Illustratively, confirming the adapted tether length includes: n1, recording the current hanging rope length asAnd confirms the reference hanging rope length of the monitoring personnel>。
Further, identifying a reference roping length of the monitoring personnel includes: n11, positioning the number of the protruding wall structures of the working outer wall surface from the apparent three-dimensional map of the working areaAnd the contour volume of each protruding wall structure, and the maximum value is selected from the contour volumes of each protruding wall structure and is marked as +.>。
N12, counting standard hanging rope length of monitoring personnel，/>，For the degree of disturbance of the work area->，/>The interference degree of the operation of the reference operation area is set for the set interference protruding structure volume, < >>The length of the hanging rope is correspondingly compensated for the set interference deviation of unit operation.
N2, constructing a wind speed change curve by taking time as an abscissa and wind speed as an ordinate, and positioning the total length of a curve segment above the set high-altitude operation interference wind speed in the wind speed change curveAnd the interval duration between the curve sections above the set high-altitude operation interference wind speed +.>，/>Numbering the curve segment above the set high-altitude operation interference wind speed, < >>。/>
N3, setting the environmental error compensation factor，/>，/>To set the reference interval duration +.>For the length of the wind speed variation curve>For the number of curve segments above a set high-altitude operation disturbance wind speed, +.>Indicated at 0 and->And takes the maximum value.
N4, willAs an adaptation of the hanging rope length.
Still another example, confirming an adapted roping safety margin includes: respectively marking the current rope hanging safety allowance and the proper rope hanging safety allowance of the monitoring personnel asAnd->。
Positioning the protruding height of each protruding wall structure below the monitoring personnel from the apparent three-dimensional map of the operation area, and screening the maximum protruding heightTaking the protruding wall structure with the maximum protruding height as a target wall structure, and extracting the vertical distance between an operator and the target protruding wall structure, and marking the vertical distance as +.>。
Setting safety margin of emergency avoidance hanging rope，
。
Will beAs a safety margin for the adapting hanging rope, < >>Correspondingly increasing the safety margin of the rope hanging for the set unit action switching frequency difference, and adding the rope hanging to the unit action switching frequency difference>Limiting the safety margin of the hanging rope for the set outdoor high-altitude operation, +.>Is indicated at->And->The middle takes the maximum value->Indicated at 0 and->And takes the maximum value.
According to the embodiment of the invention, when the adaptive hanging rope safety allowance is confirmed, the emergency avoiding hanging rope safety allowance is set by combining the protruding structure information of the operation area, so that the defects that the emergency situation and the specific characteristics of the operation environment are not considered at present are overcome, the guarantee is provided for the operation workers to quickly and safely leave the dangerous area in the emergency situation, meanwhile, the flexibility and the feasibility of the operation workers to avoid the obstacle are facilitated, and the influence on the operation stability and the operation safety of the operation workers is further reduced.
The tool database is used for storing images and weights of all overhead working tools.
The hanging rope setting feedback terminal is used for sending the adapting hanging rope length and the adapting hanging rope safety allowance to the prompting terminal worn by the monitoring personnel to prompt the hanging rope setting.
In a specific embodiment, the prompting terminal may be any one of a plurality of prompting terminals such as a voice broadcasting device or a micro display screen.
The foregoing is merely illustrative and explanatory of the principles of this invention, as various modifications and additions may be made to the specific embodiments described, or similar arrangements may be substituted by those skilled in the art, without departing from the principles of this invention or beyond the scope of this invention as defined in the claims.
Claims (10)
1. A working area personnel behavior specification monitoring and analyzing system based on action recognition is characterized in that: the system comprises:
the personnel operation information importing module is used for marking personnel in the outdoor high-altitude operation area as monitoring personnel and importing basic information and operation information of the monitoring personnel;
the personnel configuration data monitoring module is used for monitoring the hanging rope and the working tool of the monitoring personnel to obtain the current hanging rope length, the current hanging rope safety margin, the working tool information and the apparent three-dimensional map of the working area, and is used as configuration data of the monitoring personnel;
the personnel environment data acquisition module is used for acquiring wind direction and wind speed data of a monitoring area where monitoring personnel are located, wherein the wind speed data is the wind speed of each acquisition time point;
the personnel operation action monitoring module is used for monitoring the operation actions of monitoring personnel in the current accumulated operation time period to obtain an operation action monitoring video;
the hanging rope setting standard evaluation module is used for carrying out hanging rope length standard evaluation and hanging rope safety margin standard evaluation according to the operation action monitoring video, the wind speed data, the configuration data and the operation information;
the hanging rope setting correction analysis terminal is used for confirming the length of the adaptive hanging rope when the standard evaluation result of the hanging rope length is out of standard, and confirming the safety allowance of the adaptive hanging rope when the standard evaluation result of the hanging rope safety allowance is out of standard;
a tool database for storing images and weights of the respective aerial work tools;
and the hanging rope setting feedback terminal is used for sending the adapting hanging rope length and the adapting hanging rope safety allowance to the prompting terminal worn by the monitoring personnel to carry out hanging rope setting prompt.
2. A system for monitoring and analyzing personnel behavior specification of a work area based on action recognition as recited in claim 1, wherein: the hanging rope length standardization evaluation is carried out, and the specific evaluation process is as follows:
extracting a working tool image from working tool information of a monitoring person, and cutting out a contour image of each working tool from the working tool image;
matching and comparing the contour image of each working tool with the image of each overhead working tool stored in the tool database to obtain the weight of each working tool, and further accumulating to obtain the suspended load of the working tool of the monitoring personnel；
Extracting the height of the working area from the working information of the monitoring personnelAnd according to the operation action monitoring video of the monitoring personnel, the action switching frequency, the gesture type number and the gesture amplitude of the monitoring personnel are confirmed and respectively recorded as +.>、/>And->；
Will beFloating hanging rope length as monitoring person>，/>Respectively set suspension load of interference working tool, height of interference working area, switching frequency of interference action, number of interference gesture types, amplitude of interference gesture, +.>Correspondingly increasing the length of the hanging rope for the set unit hanging rope length interference factor;
if it isAnd if the deviation value is larger than the set allowable hanging rope length deviation value, taking the non-standard value as a hanging rope length standardability assessment result, otherwise taking the standard value as a hanging rope length standardability assessment result.
3. A system for monitoring and analyzing personnel behavior specification of a work area based on action recognition as claimed in claim 2, wherein: the step of confirming the action switching frequency of the monitoring personnel comprises the following steps:
identifying monitoring personnel in the operation action monitoring video by using a target detection algorithm, tracking the motion trail of the monitoring personnel in different frames of the operation action monitoring video, and identifying joint position data of the monitoring personnel in the different frames by using a gesture estimation model;
based on the joint position data of the monitoring personnel in different frames, different actions are identified through an action identification algorithm, the starting time and the ending time of the different actions are marked, so that action time sequence data are generated, and the action switching frequency of the monitoring personnel is calculated according to the time sequence data.
4. A system for monitoring and analyzing personnel behavior specification of a work area based on action recognition as claimed in claim 2, wherein: the rope hanging safety allowance normalization assessment comprises the following steps of:
according to the wind speed of each acquisition time point and the operation tool information of monitoring personnel, the load layer is set to be suitable for increasing the safety margin of the hanging rope；
According to the wind speed of each acquisition time point, the gesture type number and gesture amplitude of monitoring personnel, the gesture layer is set to be suitable for increasing the safety margin of the hanging rope；
According to the wind speed of each acquisition time point and the operation information of monitoring personnel, the set range level is suitable for increasing the safety margin of the hanging rope；
Will be、/>And->The difference is carried out in pairs to obtain the difference of the safety residual quantity of each suitable increased hanging rope, if the difference of the safety residual quantity of each suitable increased hanging rope is within the set deviation range of the increased residual quantity, the difference is +.>The rope hanging safety margin is properly increased as a monitoring person, and if the rope hanging safety margin difference is out of the set safety margin increasing deviation range, the rope hanging safety margin is increased by +.>The safety margin of the hanging rope is properly increased as a monitoring person;
and comparing the absolute value of the rope hanging safety margin which is suitable for the monitoring personnel with the set allowable rope hanging safety margin difference, if the absolute value of the rope hanging safety margin which is suitable for the monitoring personnel is larger than the set allowable rope hanging margin difference, taking the non-normative as a rope hanging safety margin normative assessment result, and otherwise taking the normative as a rope hanging safety margin normative assessment result.
5. A system for monitoring and analyzing personnel behavior specification of a work area based on action recognition as recited in claim 4, wherein: the setting load layer is suitable to increase the safety margin of the hanging rope, and comprises the following steps:
locating the weight of the monitoring person from the basic information of the monitoring personThe corresponding hanging rope rigidity of monitoring personnel>The rigidity of the hanger corresponding to the monitoring personnel>；
Locating the position of each work tool from the work tool image, and setting the load distribution interference weight factor accordingly；
According to the wind direction, the effective cross-sectional area of each working tool is positioned from the working tool image, and the combined effective cross-sectional area of the working tools is obtained by summation；
Screening the maximum wind speed from the wind speeds of all the acquisition time points, and marking asStatistical suspension load swing frequency->，，/>For air density->Is a resistanceForce coefficient->Gravitational acceleration;
statistical suspension load swing amplitude，/>；
Statistics of suspension load disturbance trend，/>，/>、/>Setting a reference load swing frequency and a load swing amplitude respectively;
and matching and comparing the suspension load interference trend with the set suspension load interference trend corresponding to the proper increase of the rope hanging safety margin to obtain the suspension load interference trend corresponding to the proper increase of the rope hanging safety margin, and taking the suspension load interference trend as a load layer to properly increase the rope hanging safety margin.
6. A system for monitoring and analyzing personnel behavior specification of a work area based on action recognition as recited in claim 5, wherein: the specific setting formula for properly increasing the safety margin of the hanging rope on the attitude setting layer is as follows:，/>to be set upThe high-altitude operation interferes with the wind speed,the unit attitude interference factor is correspondingly suitable for increasing the rope hanging safety margin under the condition that the wind speed is not interfered and the wind speed is interfered, and the rope hanging safety margin is increased>The number of the interference gesture types and the interference gesture amplitude under the set wind speed interference condition are respectively set.
7. A system for monitoring and analyzing personnel behavior specification of a work area based on action recognition as recited in claim 6, wherein: the suitable rope safety margin that hangs that increases of settlement scope aspect includes:
locating the width of the working area from the working information of the monitoring personnel and marking the width as；
The statistical range layer is suitable for increasing the safety margin of the hanging rope，/>，The width of the disturbance operation area under the condition that the set wind speed is not disturbed and the wind speed is disturbed is +.>The safety margin of the hanging rope is increased correspondingly and appropriately for the set width difference of the unit operation area.
8. A system for monitoring and analyzing personnel behavior specification of a work area based on action recognition as recited in claim 7, wherein: the confirmation of the adapted hanging rope length includes:
the current hanging rope length is recorded asAnd confirms the reference hanging rope length of the monitoring personnel>；
Constructing a wind speed change curve by taking time as an abscissa and wind speed as an ordinate, and positioning the total length of a curve segment above the set high-altitude operation interference wind speed in the wind speed change curveAnd the interval duration between the curve sections above the set high-altitude operation interference wind speed +.>，/>Numbering the curve segment above the set high-altitude operation interference wind speed, < >>；
Setting an environmental error compensation factor，/>，/>To set the reference interval duration +.>For the length of the wind speed variation curve>The number of curve segments above the set high-altitude operation interference wind speed;
will beAs an adaptation of the hanging rope length.
9. A system for monitoring and analyzing personnel behavior specification of a work area based on action recognition as recited in claim 8, wherein: the standard hanging rope length for confirming the monitoring personnel comprises the following steps:
locating the number of protruding wall structures of the working outer wall surface from the apparent three-dimensional map of the working areaAnd the contour volume of each protruding wall structure, and the maximum value is selected from the contour volumes of each protruding wall structure and is marked as +.>；
Counting the reference hanging rope length of monitoring personnel，/>，/>For the degree of disturbance of the work area->，/>The interference degree of the operation of the reference operation area is set for the set interference protruding structure volume, < >>The length of the hanging rope is correspondingly compensated for the set interference deviation of unit operation.
10. A system for monitoring and analyzing personnel behavior specification of a work area based on action recognition as recited in claim 8, wherein: the confirmation of the adapted hanging rope safety margin comprises:
respectively marking the current rope hanging safety allowance and the proper rope hanging safety allowance of the monitoring personnel asAnd->；
Positioning the protruding height of each protruding wall structure below the monitoring personnel from the apparent three-dimensional map of the operation area, and screening the maximum protruding heightTaking the protruding wall structure with the maximum protruding height as a target wall structure, and extracting the vertical distance between an operator and the target protruding wall structure, and marking the vertical distance as +.>；
Setting safety margin of emergency avoidance hanging rope，
；
Will beAs a safety margin for the adapting hanging rope, < >>Correspondingly increasing the safety margin of the rope hanging for the set unit action switching frequency difference, and adding the rope hanging to the unit action switching frequency difference>And limiting the safety margin of the hanging rope for the set outdoor high-altitude operation.
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