CN111988397B - Earthquake-proof disaster-reduction disaster-relief method and system based on edge calculation - Google Patents
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Abstract
The invention provides a shockproof disaster reduction relief method and a shockproof disaster reduction disaster relief system based on edge calculation, wherein the shockproof disaster reduction disaster relief system comprises a plurality of terminal nodes for acquiring disaster situation data of a scene; the edge side nodes are used for scheduling subordinate terminal nodes to obtain uploaded data and making loss evaluation calculation and results according to the uploaded data; the cloud center is used for sending an intensity ring evaluation instruction to the designated edge side node and obtaining evaluation results fed back by the edge side nodes so as to carry out overall loss evaluation; the method comprises the steps that after receiving seismic information, a cloud center carries out intensity circle evaluation; then, sending an instruction to an edge side node within the coverage range of the intensity ring, and scheduling a subordinate terminal node to acquire disaster data of a scene; the edge side node performs loss evaluation calculation according to the data uploaded by the terminal node to obtain an evaluation result and uploads the evaluation result to the cloud center; and the cloud center is spliced according to the GIS map data to form an overall loss evaluation result.
Description
Technical Field
The invention relates to an edge computing technology, in particular to a quakeproof disaster reduction and relief method and a quakeproof disaster reduction and relief system based on edge computing.
Background
After an earthquake occurs, the key problem to be solved by emergency rescue after the earthquake is how to quickly acquire earthquake information of a disaster area, accurately and quickly evaluate various losses and reasonably and effectively deal with the earthquake. At present, the rapid acquiring means of earthquake disaster in China mainly comprises telephone inquiry, mobile phone App disaster collection, disaster collection based on WeChat, disaster collection based on remote sensing or aerial photography, social media data collection, mobile phone position data and active WiFi quantity collection and the like, the collected data are transmitted to a disaster information processing server of an earthquake bureau, and earthquake disaster analysis, loss evaluation and rapid report and special report formation are carried out in a unified mode.
The defects of the prior art are as follows: after an earthquake occurs, the data to be collected comprise image data and video data, the data volume is very large, a large amount of bandwidth can be occupied when the data are transmitted to a cloud center, and particularly, under the condition that the network is broken possibly caused by the earthquake, the data cannot be transmitted to a disaster information processing server of an earthquake bureau. At an important gateway of disaster reduction and relief with the necessity of seconds, data is very important resource for evaluating loss and subsequent rescue, and due to network failure, a central server may not be capable of acquiring data, and even if the data can be transmitted, the occupied bandwidth is large, the transmission is slow, and the disaster reduction and relief is very unfavorable. In addition, although the disaster information processing server may be a distributed cluster, data to be processed is multi-source heterogeneous omnidirectional data, the data size is very large, a lot of time is spent on unified calculation, and the process of disaster reduction and relief is delayed seriously.
Based on the above, the existing technical scheme has the problems that data transmission occupies a large amount of bandwidth, a large amount of data is transmitted, time delay is brought to loss evaluation calculation, and the like.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention provides a shockproof disaster reduction and relief method and a shockproof disaster reduction and relief system based on edge computing, aiming at reducing the delay of a computing system, reducing the bandwidth used by data transmission, relieving the computing pressure of a cloud center and meeting the requirements of quickly evaluating earthquake situations and further carrying out shockproof disaster reduction and relief; the specific technical content is as follows:
an earthquake-proof, disaster-reducing and disaster-relieving system based on edge computing, comprising:
the system comprises a plurality of terminal nodes, a plurality of data processing nodes and a plurality of data processing nodes, wherein the terminal nodes are used for acquiring disaster data of a scene;
the edge side nodes are used for scheduling subordinate terminal nodes to obtain uploaded data and making loss evaluation calculation and results according to the uploaded data;
and the cloud center is used for sending intensity ring evaluation instructions to the appointed edge side nodes and obtaining evaluation results fed back by the edge side nodes so as to carry out overall loss evaluation.
In one or more embodiments of the present invention, the terminal node includes a camera device, a sensor device or/and an intelligent mobile terminal, which is connected to the edge side node and authenticated by the edge side node.
In one or more embodiments of the present invention, the edge side node includes
The control unit is used for controlling each device or application in the edge side node to distribute a calculation task, and segmenting a Docker container for virtualization to realize the isolation of data and the task;
a data management unit for performing metadata management, data storage, and data analysis;
a terminal scheduling unit, configured to schedule a subordinate terminal node to upload data;
the data acquisition unit is used for acquiring data uploaded by the terminal node;
and the data uploading unit is used for feeding back and uploading the evaluation result data to the cloud center.
In one or more embodiments of the present invention, the edge side node includes an edge proxy unit, which is configured to monitor and report an operation condition of each unit in the edge side node to a cloud center, and implement control on the edge side node according to an instruction of the cloud center.
In one or more embodiments of the present invention, the edge node includes a terminal authentication unit, which is configured to register and authenticate the accessed terminal node.
In one or more embodiments of the invention, the cloud center includes
The data receiving unit is used for acquiring evaluation result data uploaded by the edge side node;
the central agent unit is used for receiving the message of the edge agent unit and forwarding the message to the edge control unit, receiving the message from the edge control unit and forwarding the message to an edge side node, and realizing the decoupling of the control and the message receiving and transmitting;
the edge control unit is used for managing edge side nodes and comprises equipment addition, application deployment and edge side node scheduling according to the message received by the central agent unit;
and the terminal control unit is used for directing the terminal data to the appointed edge side node according to the resource occupation condition of the edge side node.
An earthquake-proof disaster-reduction and relief method based on edge calculation comprises the following operations:
after receiving the seismic information, the cloud center firstly carries out intensity circle evaluation;
then, sending an instruction to an edge side node in the coverage range of the intensity ring, and enabling a terminal node under the edge side node to be dispatched to obtain disaster data of a scene where the edge side node is located;
the edge side node performs loss evaluation calculation according to the data uploaded by the terminal node to obtain an evaluation result, and uploads the evaluation result to the cloud center;
and the cloud center is spliced according to the GIS map data to form an overall loss evaluation result, so that follow-up auxiliary decision and resource scheduling services are provided.
In one or more embodiments of the present invention, the terminal node sends disaster data for a period of time to the edge node, where the disaster data includes text, image, or/and video data.
In one or more embodiments of the present invention, the loss evaluation algorithm model adopted by the edge side node is trained and modeled by the cloud center, and is updated and transmitted to the edge side node in real time.
In one or more embodiments of the present invention, the cloud center monitors resource occupation of each edge side node in real time, and then directs the terminal data to the designated edge side node.
The invention has the beneficial effects that: the cloud-edge-end integrated architecture is adopted, the data transmission distance is greatly reduced, a calculation task runs on edge side calculation resources close to a data source, local loss evaluation is firstly carried out on image, video and character data collected at a terminal at the edge side, an evaluation result is uploaded to a disaster information processing server of an earthquake bureau for overall loss evaluation, the edge side is very close to the terminal, a private network basically exists from the terminal to the edge side server, the time for transmitting the data is very short, the data transmitted from the edge side to the disaster information processing server is only the evaluation result, the occupied space is very small, and the data is easy to transmit. The problem that a large amount of data are transmitted to occupy high bandwidth is solved, the problem of long operation time is solved, and the method has a very timely auxiliary effect on subsequent shockproof disaster reduction and relief work.
Drawings
FIG. 1 is a schematic diagram of a system architecture according to the present invention.
FIG. 2 is a flow chart of the method of the present invention.
Detailed Description
The scheme of the application is further described as follows:
referring to fig. 1, an earthquake-proof disaster-reduction and relief system based on edge calculation includes:
the system comprises a plurality of terminal nodes, a data acquisition module and a data processing module, wherein the terminal nodes are used for acquiring disaster data of a scene;
the edge side nodes are used for scheduling subordinate terminal nodes to obtain uploaded data and making loss evaluation calculation and results according to the uploaded data;
and the cloud center is used for sending intensity ring evaluation instructions to the appointed edge side nodes and obtaining evaluation results fed back by the edge side nodes so as to carry out overall loss evaluation.
The terminal node comprises a camera device, a sensing device or/and an intelligent mobile terminal which are connected with the edge side node and are authenticated by the edge side node.
The edge side node comprises
The control unit is used for controlling each device or application in the edge side node to distribute a calculation task, and segmenting a Docker container for virtualization to realize the isolation of data and the task;
a data management unit for performing metadata management, data storage, and data analysis; the data analysis module is responsible for processing and calculating data, an edge calculation data processing application program runs in a Docker container, and based on a container technology, the application has expandability, and a user can dynamically add or delete edge calculation applications;
a terminal scheduling unit, configured to schedule a subordinate terminal node to upload data;
the data acquisition unit is used for acquiring data uploaded by terminal nodes, and specifically acquiring data from the terminal nodes such as a camera, a sensor and a mobile phone through an MQTT, an Advanced Message Queuing Protocol (AMQP) and an HTTPS protocol;
the data uploading unit is used for feeding back and uploading the evaluation result data to the cloud center;
the edge proxy unit is used for monitoring the operation condition of each unit in the edge side nodes, reporting the operation condition to the cloud center and controlling the edge side nodes according to the instruction of the cloud center;
a terminal authentication unit for registering and authenticating an accessed terminal node; when the terminal node transmits data to the edge side node, authentication is required to be carried out on the edge side node so as to ensure the safety and reliability of the data.
The cloud center comprises
The data receiving unit is used for acquiring evaluation result data uploaded by the edge side node;
the central agent unit is used for receiving the message of the edge agent unit and forwarding the message to the edge control unit, receiving the message from the edge control unit and forwarding the message to an edge side node, and realizing the decoupling of the control and the message receiving and transmitting;
the edge control unit is an extended kubernets controller and is used for managing edge side nodes, wherein the edge side nodes are added with equipment, deployed with applications and scheduled according to messages received by the central agent unit;
and the terminal control unit is used for directing the terminal data to the appointed edge side node according to the resource occupation condition of the edge side node.
Referring to fig. 2, a method for earthquake prevention, disaster reduction and disaster relief based on edge calculation includes the following steps:
after receiving the seismic information, the cloud center firstly carries out intensity circle evaluation;
then, sending an instruction to an edge side node within the coverage range of the intensity ring, and scheduling the subordinate terminal nodes, such as a camera, a mobile phone, a sensor and the like, to acquire disaster data of the scene;
the edge side node performs loss evaluation calculation according to the data uploaded by the terminal node to obtain an evaluation result, and uploads the evaluation result to the cloud center; the data uploaded by the terminal nodes comprise disaster data sent within a period of time, wherein the disaster data comprise texts, images or/and video data; the edge side nodes are analyzed and processed according to the data, house collapse condition evaluation and road loss condition evaluation are carried out through a deep learning algorithm, further population casualty condition evaluation is carried out, a loss evaluation algorithm model is trained and modeled by a cloud center and is updated and transmitted to the edge side nodes in real time;
the cloud center is spliced according to GIS map data to form an overall loss evaluation result, and the overall loss evaluation result serves subsequent auxiliary decision and resource scheduling; the cloud center also monitors the resource occupation condition of each edge side node in real time, and then directs the terminal data to the appointed edge side node.
The scheme is based on a cloud-edge-end integrated processing frame and a flow, and provides that an edge computing technology is adopted to evaluate the earthquake loss at the edge side close to data, so that the bandwidth occupied by mass data transmission is greatly reduced, and the computing and transmitting time is shortened; moreover, the edge side nodes are virtualized and isolated, so that a plurality of tasks can be operated on the edge side simultaneously without mutual interference; and the scheduling scheme that the cloud center schedules the edge side nodes, the edge side node scheduling nodes and the terminal nodes schedule the edge side nodes is also realized, the smooth and effective operation of disaster situation detection is ensured, and the problem of disaster relief delay caused by local area network collapse or congestion is solved.
The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.
Claims (10)
1. An earthquake-proof disaster-reduction and relief system based on edge calculation is characterized by comprising:
the system comprises a plurality of terminal nodes, a plurality of data processing nodes and a plurality of data processing nodes, wherein the terminal nodes are used for acquiring disaster data of a scene;
the edge side nodes are used for scheduling subordinate terminal nodes to obtain uploaded data and making loss evaluation calculation and results according to the uploaded data;
and the cloud center is used for sending intensity ring evaluation instructions to the appointed edge side nodes and obtaining evaluation results fed back by the edge side nodes so as to carry out overall loss evaluation.
2. The earthquake protection and disaster reduction system based on edge calculation as claimed in claim 1, wherein: the terminal node comprises a camera device, a sensing device or/and an intelligent mobile terminal which are connected with the edge side node and are authenticated by the edge side node.
3. The earthquake protection and disaster reduction system based on edge calculation as claimed in claim 1, wherein: the edge side node comprises
The control unit is used for controlling each device or application in the edge side node to distribute a calculation task, and segmenting a Docker container for virtualization to realize the isolation of data and the task;
a data management unit for performing metadata management, data storage, and data analysis;
a terminal scheduling unit, configured to schedule a subordinate terminal node to upload data;
the data acquisition unit is used for acquiring data uploaded by the terminal node;
and the data uploading unit is used for feeding back and uploading the evaluation result data to the cloud center.
4. The earthquake-proof disaster-reduction and relief system based on edge calculation as claimed in claim 3, wherein: the edge side node comprises an edge agent unit which is used for monitoring the operation condition of each unit in the edge side node, reporting the operation condition to the cloud center and controlling the edge side node according to the instruction of the cloud center.
5. The earthquake-proof disaster-reduction and relief system based on edge calculation as claimed in claim 3, wherein: the edge side node includes a terminal authentication unit for registering and authenticating an accessed terminal node.
6. The earthquake and disaster reduction and relief system based on edge calculation according to claim 3, 4 or 5, wherein: the cloud center comprises
The data receiving unit is used for acquiring evaluation result data uploaded by the edge side node;
the central agent unit is used for receiving the message of the edge agent unit and forwarding the message to the edge control unit, receiving the message from the edge control unit and forwarding the message to an edge side node, and realizing the decoupling of the control and the message receiving and transmitting;
the edge control unit is used for managing edge side nodes and comprises equipment addition, application deployment and edge side node scheduling according to the message received by the central agent unit;
and the terminal control unit is used for directing the terminal data to the appointed edge side node according to the resource occupation condition of the edge side node.
7. An earthquake-proof disaster-reduction disaster-relief method based on edge calculation is characterized by comprising the following operations:
after receiving the seismic information, the cloud center firstly carries out intensity circle evaluation;
then, sending an instruction to an edge side node within the coverage range of the intensity ring, and scheduling a subordinate terminal node to acquire disaster data of a scene;
the edge side node performs loss evaluation calculation according to the data uploaded by the terminal node to obtain an evaluation result, and uploads the evaluation result to the cloud center;
and the cloud center is spliced according to the GIS map data to form an overall loss evaluation result, so as to serve for follow-up aid decision and resource scheduling.
8. The earthquake-proof disaster-reduction and relief method based on edge calculation as claimed in claim 7, wherein: and the terminal node sends disaster data in a period of time to the edge side node, wherein the disaster data comprises text, image or/and video data.
9. The earthquake-proof disaster-reduction and disaster-relief method based on edge calculation as claimed in claim 7, wherein: and the loss evaluation algorithm model adopted by the edge side nodes is trained and modeled by the cloud center and is updated and transmitted to the edge side nodes in real time.
10. The earthquake-proof disaster-reduction and relief method based on edge calculation as claimed in claim 7, wherein: and the cloud center monitors the resource occupation condition of each edge side node in real time, and then orients the terminal data to the appointed edge side node.
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