阅读说明：本技术 基于大数据融合的化工园区虚拟仿真应急推演系统 (Chemical industry park virtual simulation emergency deduction system based on big data fusion ) 是由 杨季方 钱金浩 于 2019-08-08 设计创作，主要内容包括：本发明公开了一种基于大数据融合的化工园区虚拟仿真应急推演系统,包括：突发事故致灾因素指标构建模块,数据融合模块及虚拟仿真应急推演模块；本发明借助虚拟现实技术,受训者可以将自身置于各种复杂、突发环境中去,从而进行针对性训练,提高自身的应变能力与相关处理技能。(The invention discloses a chemical industry park virtual simulation emergency deduction system based on big data fusion, which comprises: the system comprises a sudden accident disaster factor index construction module, a data fusion module and a virtual simulation emergency deduction module; by means of the virtual reality technology, trainees can place themselves in various complex and sudden environments, and accordingly pertinence training is conducted, and self strain capacity and relevant processing skills are improved.)

1. The utility model provides an emergent deduction system of chemical industry park virtual simulation based on big data fusion which characterized in that includes: the system comprises a sudden accident disaster factor index construction module, a data fusion module and a virtual simulation emergency deduction module; wherein the content of the first and second substances,

The disaster-causing factor index construction module is used for constructing various factor indexes of the chemical industry park for causing the sudden accidents and analyzing the disaster-causing factors existing in the chemical industry park;

the data fusion module is used for constructing a disaster factor index database and a data fusion model for the sudden accidents in the chemical industry park;

The virtual simulation emergency deduction module comprises: the system comprises a three-dimensional model building module, a scene equipment control module, a data acquisition module, an emergency accident monitoring module and a three-dimensional scene emergency deduction module; wherein the content of the first and second substances,

the three-dimensional model building module is used for carrying out three-dimensional simulation modeling on each scene in the whole area range and the surrounding area environment of the chemical industry park;

The scene equipment control module is used for controlling each sensor or camera to check character roles walking into each area;

The data acquisition module is used for acquiring various sensor data of the chemical industry park in real time, uploading the sensor data to the server for storage and used for subsequent data fusion modeling;

the sudden accident monitoring module is used for respectively establishing a feature information fusion matching model, a feature level information fusion model and a decision level information fusion model;

and the three-dimensional scene emergency deduction module is used for performing simulation drilling of accidents in the three-dimensional scene.

2. The chemical industry park virtual simulation emergency deduction system based on big data fusion of claim 1, wherein the factor indexes comprise: an emergency and disaster recovery environment index, an emergency and disaster factor index, an emergency disaster object index, an emergency and disaster situation index and an emergency and disaster system factor set.

3. the chemical industry park virtual simulation emergency deduction system based on big data fusion according to claim 1, wherein the constructing of the chemical industry park emergency disaster factor index database specifically comprises: on the basis of monitoring data acquired in the existing park enterprise production link, image data of management text types and sensor data which are acquired by different departments and are centered around accident emergency are detected, analyzed and processed, HDFS storage source data, MapReduce processing data and HBase are stored by utilizing distributed computing data, and fusion of basic data is achieved.

4. the chemical industry park virtual simulation emergency deduction system based on big data fusion of claim 1, wherein the constructing of the data fusion model specifically comprises:

1) Taking q disaster factors subjected to structured data processing as q sites, dividing each site into k clusters, selecting any site Ms as a master site, and taking the rest sites as slave sites;

2) The central points corresponding to the master site Ms are { ci1, ci2, …, cik }, respectively, and the master site global cluster central point cik is calculated according to the following formula:

wherein nij is the total number of the clusters Wij, and i is more than or equal to 1 and less than or equal to q;

3) calculating the distance between the q-1 slave cluster centers and all global cluster centers cik;

4) calculating local clustering information of all sites of q-1 slave stations, and transmitting the information to the master station;

5) the master site computes q-1 global cluster centers.

5. The chemical industry park virtual simulation emergency deduction system based on big data fusion of claim 1, wherein the establishment process of the feature information fusion matching model is as follows:

And (3) coordinate matching: under the condition of no clutter, when the monitored object is a single parameter, a rectangular coordinate system is selected for matching, and when the monitored object is a multi-parameter condition and the sensor belongs to a plurality of platforms, a mixed coordinate system is selected for matching;

Time matching: and selecting a least square rule matching method, unifying a plurality of sensor data to one sensor data with a longer scanning period, eliminating the influence of multi-sensor data fusion caused by time deviation, and achieving the purpose of converting all monitoring amount data to the same reference time scale.

6. the chemical industry park virtual simulation emergency deduction system based on big data fusion of claim 1, wherein the establishment process of the feature level information fusion model is as follows:

1) Determining a data variable set and a variable domain;

2) constructing a Bayes Network structure chart, wherein each node represents a variable in an actual problem, an arc between each node represents a causal relationship between the variables, and no arc between two nodes represents that conditions are independent;

3) And (4) carrying out Bayes Network reasoning, and carrying out feature level fusion on the sensor information according to a probability principle.

7. the chemical industry park virtual simulation emergency deduction system based on big data fusion of claim 1, wherein the establishment process of the decision-level information fusion model is as follows:

1) according to the reasoning structure of the D-S method, monitoring results from different sensors are finally combined into a total output target;

2) Reasonably reasoning the output target of the sensor to obtain an expanded target report, wherein the reasonable reasoning is based on that the monitoring data of the sensor has certain credibility, and the credible and reasonable reasoning is carried out, and the generated report has the rationality;

3) and continuous transmission of monitoring reports by adopting independent sensors avoids the one-sidedness of the reports.

8. the chemical industry park virtual simulation emergency deduction system based on big data fusion of claim 1, wherein the simulation drilling of the accident in the three-dimensional scene is specifically as follows: inputting various preset data into a three-dimensional GIS, calculating and simulating the whole toxic gas leakage process, and dynamically forming a toxic gas diffusion coverage range; and performing interactive calculation on the toxic gas coverage area calculated by using three-dimensional GIS simulation and the virtual crowd, and sending the relationship between the toxic gas diffusion area and the character space to the emergency terminal in the form of pictures or video animation.

Technical Field

the invention belongs to the technical field of emergency rescue scene simulation drilling, and particularly relates to a chemical industrial park virtual simulation emergency deduction system based on big data fusion.

background

in recent years, the construction of the chemical industry parks in China has made great progress, and the method has become an important means for promoting the construction of the industry base, and plays an increasingly important role in the aspects of intensive utilization of land and resources, centralized environmental management, unified safety supervision, emergency response of accidents, upstream and downstream industry collaborative development and the like. At present, 502 major chemical industry parks in China have 1.5 thousands of petrochemical enterprises with the entering scale of the chemical industry parks, and the park availability of the enterprises reaches about 51%. However, while the development of "focus" benefits in the chemical industry are generated, high risks are brought to the regional safety.

The reason behind the accident is mainly shown in the following: (1) a large number of petrochemical enterprises are gathered in a garden, most of raw materials, intermediates and even products used by the enterprises are dangerous chemicals, and most of the raw materials, intermediates and even products are produced under the operating environments of high (low) temperature, high (low) pressure and the like, the key process is complex, the operating conditions are strict, and the accidents of dangerous chemical leakage, fire, explosion, poisoning and the like are likely to happen if the operation is careless; (2) the method has the advantages that a plurality of dangerous sources are arranged in a garden or have interaction relation with the external environment, production enterprises are relatively dense, and once a fire, explosion or dangerous chemical leakage accident happens, peripheral accidents are possibly caused, and a catastrophic domino accident chain effect and derived disasters are caused; (3) the chemical hazard sources of enterprise production in the garden are various, the factors causing accidents are various, the coupling relation among the factors is complex, potential risk superposition exists in the accidents, once a fire, explosion or dangerous chemical leakage diffusion accident occurs, one position is influenced by the failure of a plurality of containers or storage tanks, and the catastrophic consequence of group death and group injury is easily caused.

the big data fusion technology is applied to emergency rescue of safety production accidents, can improve the emergency response capability, decision capability and prevention and control capability of government departments, reduce the influence of various emergencies on the lives and properties of the public society, fully play the roles of relevant government departments, orderly implement various emergency management works and realize harmonious stabilization of the society. At present, big data becomes an important era characteristic of public safety emergency management including production safety accidents, and the application of the big data to promote the government decision scientification is the concrete embodiment of 'promoting the national treatment system and the modernization of treatment capacity'. The application of the big data is beneficial to improving emergency management efficiency, saving cost and reducing loss, and the big data can provide effective information for government departments, so that the big data becomes an important way for improving government emergency decision quality and breaking information barriers. The safety production data is the basis for making safety production decisions, is the premise of creating a safety production progressive development cognitive model, and under the strategy of big data development, the concept and the connotation of the safety production big data are continuously enriched. The safety production big data comprises mass data, such as safety production static data, dynamic data, internal safety production data, external safety production data, primary safety production data (original data), secondary safety production data (processing data) and the like, and is distributed in various industries such as buildings, traffic, railways, civil aviation, civil explosion, non-coal, dangerization, industrial, mining, commercial and trade, the data sharing degree is low, the information source is wide, and the data formats are not uniform.

how to utilize technique such as the big data fusion of current mainstream comprehensively, Virtual Reality (VR), intelligent decision-making, emergency rescue scene emulation, through the emergent demand and typical characteristics of informatization's means according to the industrial park accident, information isolated island between the collaborative department among the breach industrial park safety supervision, the data is difficult to the interconnection, emergency drilling cost is big, the cycle length, there is the safety risk in the actual drilling, emergency plan "consult on the paper", difficult problems such as perfect inadequately, it is the problem that functional supervision department and interpersonal person face the urgent need to be solved, also be the trend of industrial park construction to the intellectuality development simultaneously.

Disclosure of Invention

aiming at the defects of the prior art, the invention aims to provide a chemical industrial park virtual simulation emergency deduction system based on big data fusion so as to solve the problems that the emergency rescue drilling cost is high, the period is long, the actual drilling has safety risks, and the emergency plan is not perfect in the prior art.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

the invention relates to a chemical industry park virtual simulation emergency deduction system based on big data fusion, which comprises: the system comprises a sudden accident disaster factor index construction module, a data fusion module and a virtual simulation emergency deduction module; wherein the content of the first and second substances,

the disaster-causing factor index construction module is used for constructing various factor indexes of the chemical industry park for causing the sudden accidents and analyzing the disaster-causing factors existing in the chemical industry park;

The data fusion module is used for constructing a disaster factor index database and a data fusion model for the sudden accidents in the chemical industry park;

The virtual simulation emergency deduction module comprises: the system comprises a three-dimensional model building module, a scene equipment control module, a data acquisition module, an emergency accident monitoring module and a three-dimensional scene emergency deduction module; wherein the content of the first and second substances,

the three-dimensional model building module is used for carrying out three-dimensional simulation modeling on each scene in the whole area range and the surrounding area environment of the chemical industry park; the system comprises equipment and facilities of buildings and operation places, video monitoring, various sensors, fire-fighting equipment, personal protection articles and the like; the surrounding area environment of the chemical industry park comprises surrounding roads, equipment facilities, mountains and the like;

the scene equipment control module is used for controlling each sensor or camera to check character role rows walking into each area;

the data acquisition module is used for acquiring various sensor data of the chemical industry park in real time, uploading the sensor data to the server for storage and used for subsequent data fusion modeling;

The sudden accident monitoring module is used for respectively establishing a feature information fusion matching model, a feature level information fusion model and a decision level information fusion model;

and the three-dimensional scene emergency deduction module is used for performing simulation drilling of accidents in the three-dimensional scene.

further, the factor indicators include: an emergency and disaster recovery environment index, an emergency and disaster factor index, an emergency disaster object index, an emergency and disaster situation index and an emergency and disaster system factor set.

Further, the emergency and disaster-prone environment index comprises: natural environments and social environments, the natural environments including: garden soil, terrain, weather, vegetation, hydrology and climate; the social environment includes: public pipe gallery of garden, petrochemical enterprise, garden life pipeline, garden traffic system, public place, personnel activity, peripheral personnel intensive place.

further, the disaster factor indexes of the sudden accident include: fire, explosion, carrier, toxic and harmful gases.

furthermore, the indexes of the disaster-bearing body of the sudden accident include social personnel, economy and environment.

Further, the emergency and disaster indicators include direct economic loss, indirect loss and social influence.

further, the sudden accident disaster system factor set includes accident risk characteristic factors, personal factors, and social factors.

Further, the step of constructing the disaster-causing factor index database of the sudden accident in the chemical industry park specifically comprises the following steps: on the basis of monitoring data collected in the existing park enterprise production link, image data, detected data of management text types and sensor data, which are collected by different departments and are centered around accident emergency, are analyzed and processed, and HDFS storage source data, MapReduce processing data and HBase are stored by utilizing distributed computing data, so that fusion of basic data is realized.

further, the constructing of the data fusion model specifically includes:

1) Taking q disaster factors subjected to structured data processing as q sites, dividing each site into k clusters, selecting any site Ms as a master site, and taking the rest sites as slave sites;

2) The central points corresponding to the master site Ms are { ci1, ci2, …, cik }, respectively, and the master site global cluster central point cik is calculated according to the following formula:

Wherein nij is the total number of the clusters Wij, and i is more than or equal to 1 and less than or equal to q;

3) calculating the distance between the q-1 slave cluster centers and all global cluster centers cik;

4) Calculating local clustering information of all sites of q-1 slave stations, and transmitting the information to the master station;

5) the master site computes q-1 global cluster centers.

further, the establishing process of the feature information fusion matching model is as follows:

and (3) coordinate matching: under the condition of no clutter, when the monitored object is a single parameter, a rectangular coordinate system is selected for matching, and when the monitored object is a multi-parameter condition and the sensor belongs to a plurality of platforms, a mixed coordinate system is selected for matching;

time matching: and selecting a least square rule matching method, unifying a plurality of sensor data to one sensor data with a longer scanning period, eliminating the influence of multi-sensor data fusion caused by time deviation, and realizing the purpose of converting all the monitored data to the same reference time scale.

further, the establishing process of the feature level information fusion model is as follows:

1) determining a data variable set and a variable domain;

2) constructing a Bayes Network structure chart, wherein each node represents a variable in an actual problem, an arc between each node represents a causal relationship between the variables, and no arc between two nodes represents that conditions are independent;

3) and (4) carrying out Bayes Network reasoning, and carrying out feature level fusion on the sensor information according to a probability principle.

Further, the establishment process of the decision-level information fusion model is as follows:

1) According to the reasoning structure of the D-S method, monitoring results from different sensors are finally combined into a total output target;

2) Reasonably reasoning the output target of the sensor to obtain an expanded target report, wherein the reasonable reasoning is based on that the monitoring data of the sensor has certain credibility, and the credible and reasonable reasoning is carried out, and the generated report has the reasonability;

3) And continuous transmission of monitoring reports by adopting independent sensors avoids the one-sidedness of the reports.

Further, the simulation drilling of the accident in the three-dimensional scene specifically includes: inputting various preset data (weather conditions, wind speed and direction, leakage amount, chemical characteristics of leaked substances and the like) into a three-dimensional GIS, calculating and simulating the whole toxic gas leakage process, and dynamically forming a toxic gas diffusion coverage area; and performing interactive calculation on the toxic gas coverage area calculated by using three-dimensional GIS simulation and the virtual crowd, and sending the relationship between the toxic gas diffusion area and the character space to the emergency terminal in the form of pictures or video animation.

the invention has the beneficial effects that:

(1) And the safety data is generated by acquiring real-time monitoring information and emergency information from different supervision departments and a plurality of heterogeneous monitoring networks of enterprises through multi-source heterogeneous data capturing and integrating and comprehensively utilizing the data capturing and cleaning analysis functions of Hadoop.

(2) the simulation performance, virtual drilling environment is built on the basis of the real drilling environment, the operation rule is also based on the actual operation specification in reality, and the ideal virtual environment can even reach the degree that the trainee is difficult to distinguish true from false.

(3) The virtual drilling breaks the limitation of drilling space, the trainee can perform centralized drilling in any geographic environment, and the personnel at the position can enter the same virtual drilling place for real-time centralized drilling only through related network communication equipment.

(4) pertinence, compared with real practice, the virtual simulation emergency deduction has the great advantage that any training subject can be conveniently simulated, and by means of the virtual reality technology, trainees can place themselves in various complex and sudden environments, so that the targeted training is carried out, and the strain capacity and the related processing skills of the trainees are improved.

(5) And with the aid of the own virtual drilling system, each unit can organize related training instructions, trainees and other related personnel to drill at any time and any place according to the actual demands of the unit, and quickly obtain drilling results for evaluation and improvement of drilling. The trainees can also spontaneously conduct repeated drilling for many times, so that the trainees are always in the training leading position to master the trainee initiative and greatly increase the drilling time and the drilling effect.

(6) the virtual reality is regarded as the safety of the greatest importance in safety education and training, and the virtual drilling environment is far safer than the real implementation, so that the trainee can unload the burden of accident potential under the condition of ensuring the personal safety of the trainee, and drill as extreme as possible, thereby greatly improving the skill level of the trainee and ensuring the personal and accident safety in the future practical operation.

Drawings

FIG. 1 is a schematic block diagram of the system of the present invention.

Detailed Description

in order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

Referring to fig. 1, the system for virtual simulation emergency deduction of a chemical park based on big data fusion, disclosed by the invention, comprises: the system comprises a sudden accident disaster factor index construction module, a data fusion module and a virtual simulation emergency deduction module; wherein the content of the first and second substances,

The disaster-causing factor index construction module is used for constructing various factor indexes of the disaster-causing sudden accidents in the chemical industry park by using a hierarchical Analysis (AHP) and fuzzy evaluation method; and obtaining the most important disaster-causing factor by comparing and deciding the weight of the sudden accident disaster-causing factor, and constructing a multi-level hierarchical structure model so as to construct a sudden accident disaster-causing factor index system.

the data fusion module is used for constructing a disaster factor index database and a data fusion model for the sudden accidents in the chemical industry park; data fusion, including collection, transmission, synthesis, filtering, correlation and synthesis of useful information given by various information sources, so as to assist people in situation/environment judgment, planning, detection, verification and diagnosis; the method plays an important role in processing and coordinating in a multi-information source, multi-platform and multi-user system, and ensures the connectivity and the timely communication between each unit and a collection center of the data processing system.

the virtual simulation emergency deduction module comprises: the system comprises a three-dimensional model building module, a scene equipment control module, a data acquisition module, an emergency accident monitoring module and a three-dimensional scene emergency deduction module; ,

the three-dimensional model building module is used for carrying out three-dimensional simulation modeling on each scene in the whole area range and the surrounding area environment of the chemical industry park; the system comprises equipment and facilities of buildings and operation places, video monitoring, various sensors, fire-fighting equipment, personal protection articles and the like; the surrounding area environment of the chemical industry park comprises surrounding roads, equipment facilities, mountains and the like;

the scene equipment control module is used for controlling each sensor or camera to check the character roles walking into each area;

the data acquisition module is used for acquiring real-time combustible gas, humidity, pressure, liquid level and flow data of various sensors in the chemical industry park in real time, acquiring the SDK protocol of the sensor data in real time through a serial server, switching to a network, reporting the data to the server by a PC (personal computer) terminal for storage, and performing subsequent data fusion modeling;

The sudden accident monitoring module is used for respectively establishing a feature information fusion matching model, a feature level information fusion model and a decision level information fusion model;

and the three-dimensional scene emergency deduction module is used for performing simulation drilling of accidents in the three-dimensional scene.

the method for constructing the data fusion model specifically comprises the following steps:

1) Taking q disaster factors subjected to structured data processing as q sites, dividing each site into k clusters, selecting any site Ms as a master site, and taking the rest sites as slave sites;

2) The central points corresponding to the master site Ms are { ci1, ci2, …, cik }, respectively, and the master site global cluster central point cik is calculated according to the following formula:

wherein nij is the total number of the clusters Wij, and i is more than or equal to 1 and less than or equal to q;

3) Calculating the distance between the q-1 slave cluster centers and all global cluster centers cik;

4) Calculating local clustering information of all sites of q-1 slave stations, and transmitting the information to the master station;

5) The master site computes q-1 global cluster centers.

the establishing process of the feature information fusion matching model is as follows:

and (3) coordinate matching: under the condition of no clutter, when the monitored object is a single parameter, a rectangular coordinate system is selected for matching, and when the monitored object is a multi-parameter condition and the sensor belongs to a plurality of platforms, a mixed coordinate system is selected for matching;

Time matching: and selecting a least square rule matching method, unifying a plurality of sensor data to one sensor data with a longer scanning period, eliminating the influence of multi-sensor data fusion caused by time deviation, and realizing the purpose of converting all the monitored data to the same reference time scale.

the establishing process of the feature level information fusion model is as follows:

1) determining a data variable set and a variable domain;

2) constructing a Bayes Network structure chart, wherein each node represents a variable in an actual problem, an arc between each node represents a causal relationship between the variables, and no arc between two nodes represents that conditions are independent;

3) And (4) carrying out Bayes Network reasoning, and carrying out feature level fusion on the sensor information according to a probability principle.

the establishment process of the decision-level information fusion model is as follows:

1) according to the reasoning structure of the D-S method, monitoring results from different sensors are finally combined into a total output target;

2) Reasonably reasoning the output target of the sensor to obtain an expanded target report, wherein the reasonable reasoning is based on that the monitoring data of the sensor has certain credibility, and the credible and reasonable reasoning is carried out, and the generated report has the reasonability;

3) And continuous transmission of monitoring reports by adopting independent sensors avoids the one-sidedness of the reports.

The simulation drilling of the accident in the three-dimensional scene specifically comprises the following steps: inputting various preset data (weather conditions, wind speed and direction, leakage amount, chemical characteristics of leaked substances and the like) into a three-dimensional GIS, calculating and simulating the whole toxic gas leakage process, and dynamically forming a toxic gas diffusion coverage area; and performing interactive calculation on the toxic gas coverage area calculated by using three-dimensional GIS simulation and the virtual crowd, and transmitting the spatial relationship between the toxic gas diffusion area and the character to the emergency terminal in the form of pictures or video animation.

in an example, in the three-dimensional simulation of the whole area of an enterprise, a character role is controlled to walk to each area through a third person weighing mode to check each sensor or video monitoring probe;

Controlling main equipment facilities in a macroscopically classified display scene in a three-dimensional scene through a layer, wherein the main equipment facilities comprise video monitoring, a gas sensor, fire fighting facilities and the like;

according to the actual conditions of enterprises, the data (such as combustible gas, humidity, pressure, liquid level, flow and the like) of each sensor required to be monitored by the enterprises are collected in real time.

The SDK protocol of the sensor data is collected in real time through a serial server and is switched to a network, and the data is reported to the server for storage by a PC terminal.

while the invention has been described in terms of its preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.