CN114996021A - Air defense auxiliary detection system based on edge calculation - Google Patents
Air defense auxiliary detection system based on edge calculation Download PDFInfo
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Abstract
The embodiment of the invention discloses an air defense auxiliary detection system based on edge calculation, and relates to the technical field of edge calculation. The system, comprising: the edge detection terminals are arranged in a distributed mode and used for acquiring monitoring data of each area of the target airspace, performing edge calculation on the monitoring data and sending the calculated monitoring calculation result to the remote centralized control terminal; and the centralized control end is used for determining whether the corresponding area of the target airspace needs to be subjected to air defense response according to the monitoring calculation result of each edge detection end. The invention can effectively detect the aggression and the attack behavior of the air-raid, effectively reduce the air-defense response time, reduce the processing time cost of the back-end server and ensure the safety of the air-raid.
Description
Technical Field
The invention belongs to the technical field of edge calculation, and particularly relates to an air defense auxiliary detection system based on edge calculation.
Background
Under the background of informatization war, the competition of the control right is more and more important. Along with the increasing types of air weaponry, the battlefield rhythm is accelerated continuously, an air defense auxiliary detection system is urgently needed, potential air threats are discovered in time, early warning and emergency response are convenient to carry out quickly, and the safety of air reception is guaranteed. The conventional air defense auxiliary detection system firstly acquires air-raid monitoring data through a satellite and a ground sensor, then transmits the air-raid monitoring data to a rear-end server for data processing, judges whether an air-raid territory is invaded and attacked, and finally feeds the air-raid defense auxiliary detection data back to an air defense counterattack device for emergency disposal, so that the safety of air-raid is guaranteed. However, due to the fact that the types of air weaponry are various, the air clearance monitoring data acquired by the satellite and the ground sensor are often too large, and the rear-end server cannot process the air clearance monitoring data in time, so that all air clearance areas cannot be completely paid attention to in real time, and the air clearance data processing cost is high; in addition, the satellite and the ground sensor need to transmit the acquired air-raid data to a remote back-end server, so that data transmission delay exists, the air defense response time is delayed to a certain extent, and the judgment accuracy cannot be completely approximate to one hundred percent.
Disclosure of Invention
In view of this, the embodiment of the present invention provides an air defense auxiliary detection system based on edge calculation, which is used to solve the problems of a conventional air defense auxiliary detection system that air defense response time is delayed greatly and processing time cost of a back-end server is high. The invention sets a plurality of edge detection ends which are distributed, carries out edge calculation on the monitoring data of each area of the target airspace, detects the aggression and the attack behavior, effectively reduces the air defense response time, reduces the processing time cost of a back-end server, and ensures the safety of the airspace.
The embodiment of the invention provides an air defense auxiliary detection system based on edge calculation, which comprises:
the edge detection terminals are arranged in a distributed mode and used for acquiring monitoring data of each area of the target airspace, performing edge calculation on the monitoring data and sending the calculated monitoring calculation result to the remote centralized control terminal;
and the centralized control end is used for determining whether the corresponding area of the target airspace needs to be subjected to air defense response according to the monitoring calculation result of each edge detection end.
In an alternative embodiment, the edge detecting terminal includes:
the monitoring camera and/or the sensor are/is used for acquiring monitoring data of each area of the target airspace in real time;
and the edge computing equipment is used for performing edge computing on the monitoring data of each region of the target vacancy acquired by the local monitoring camera and/or the sensor to obtain a monitoring computing result of the target vacancy region corresponding to the current edge detection end.
In an alternative embodiment, the edge calculating device of each edge detecting terminal includes: a main device and an auxiliary device; the main equipment and the auxiliary equipment are used for performing edge calculation on monitoring data of each area of target vacancy acquired by a local monitoring camera and/or a sensor;
the edge detection terminal further includes:
and the processing module is used for determining the control and response of the main equipment to the local monitoring camera and/or the sensor according to the monitoring calculation result of the main equipment, checking whether the calculation result of the current edge detection end is wrong according to the calculation result of the auxiliary equipment, stopping the control and response of the main equipment to the local monitoring camera and/or the sensor when the calculation result of the edge detection end is checked to be wrong, and re-initializing the local edge calculation equipment.
In an optional embodiment, the edge detecting terminal further includes:
and the shutdown control module is used for determining whether the edge computing equipment needs to be shut down and replaced and sending out a corresponding prompt according to the historical use times of the local edge computing equipment and the reinitialization times after each use.
In an optional embodiment, the edge detecting terminal further includes:
and the master-slave switching module is used for carrying out edge calculation for a second preset time on the monitoring data of each region of the target vacancy acquired by each pair of local monitoring cameras and/or sensors of the local edge calculation equipment, and controlling the master-slave relationship between the master equipment and the slave equipment according to the time for carrying out edge calculation on the monitoring data of the local monitoring cameras and/or sensors by the local master equipment and the slave equipment each time.
In an optional embodiment, the processing module is specifically configured to check a calculation result check value of the current edge detection end according to a first formula, and determine whether the calculation result check value of the current edge detection end is equal to 0, if yes, determine that the calculation result of the current edge detection end is incorrect, stop control and response of the master device to the monitoring camera and/or the sensor, and reinitialize the local edge calculation device;
wherein the first formula is:
in the first formula, j (a) represents a calculation result check value of the current a-th edge detection end; d, D 1 (a_k)- 10 Representing the decimal form of kth sub data in calculation result data generated by main equipment in the a-th edge detection end, wherein the sub data comprises control data and response data of the main equipment to a local monitoring camera and/or a sensor; d, D 2 (a_k)- 10 The decimal form of kth sub data in the calculation result data generated by the auxiliary equipment in the a-th edge detection end is represented; | | represents the absolute value; g 1 (a) The method comprises the steps of representing the number of subdata in calculation result data generated by main equipment in an a-th edge detection end; g 2 (a) Representing the number of subdata in the calculation result data generated by the auxiliary equipment in the a-th edge detection end; k is 1,2, …, G 1 (a)；
The shutdown control module is specifically configured to calculate a shutdown replacement control value of the local edge computing device according to a second formula, and determine whether the currently calculated shutdown replacement control value of the local edge computing device is equal to 1, and if so, prompt a user that shutdown is required and the local edge computing device is replaced;
wherein the second formula is:
in the second formula, w (a) represents a shutdown replacement control value of the a-th edge calculation device; r (x _ a) represents a state value after the history x-th use of the a-th edge computing device to generate the monitoring computing result, and if the a-th edge computing device is reinitialized after the history x-th use of the a-th edge computing device to generate the monitoring computing result, R (x _ a) is equal to 1, otherwise, R (x _ a) is equal to 0; n (a) represents the total number of historical uses of the a-th edge computing device; i represents an integer variable; n is a first preset number of times;
the master-slave switching module is specifically used for calculating a master-slave switching control value of the local edge calculation device after the local edge calculation device performs Y-time edge calculation according to a third formula, judging whether the currently calculated master-slave switching control value is less than 0, and controlling the master device and the auxiliary device to switch the master-slave relationship if the currently calculated master-slave switching control value is less than 0;
wherein Y is the second preset number of times, and the third formula is:
in the third formula, s (a) represents a master-slave switching control value of the a-th edge computing device; t is t 1 (Y _ a) represents the time of the main device performing edge calculation on the monitoring data of the local monitoring camera and/or the sensor at the Y time in the Y edge calculation after the a edge calculation device performs Y edge calculation; t is t 2 (Y _ a) represents the time of the auxiliary device performing edge calculation on the monitoring data of the local monitoring camera and/or the sensor for the Y time in the Y edge calculation after the a edge calculation device performs Y edge calculations; f, -represents a sign check function, the function value being 1 if the value in the parentheses is positive, the function value being 0 if the value in the parentheses is zero,if the value in the parentheses is a negative value, the function value is-1; y is 1,2, …, Y.
In an optional embodiment, the first preset number of times N is 5.
According to the air defense auxiliary detection system based on edge calculation, the edge calculation is carried out on the obtained monitoring data of each area of the target air defense through the edge detection ends arranged in a distributed mode, the calculation result is sent to the centralized control end to carry out air defense response, the air defense response time is effectively shortened, the processing time cost of a rear-end server is reduced, and the safety of air defense is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of an air defense auxiliary detection system based on edge calculation according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of an air defense auxiliary detection system based on edge calculation according to an embodiment of the present invention. Referring to fig. 1, the system includes:
the edge detection terminals 1 are arranged in a distributed mode and used for acquiring monitoring data of each area of a target vacancy, performing edge calculation on the monitoring data and sending a calculated monitoring calculation result to the remote centralized control terminal;
and the centralized control end 2 is used for determining whether the corresponding area of the target airspace needs to be subjected to air defense response according to the monitoring calculation result of each edge detection end.
The beneficial effects of the above technical scheme are: firstly, edge calculation is carried out on the obtained monitoring data of each area of the target airspace through a plurality of edge detection terminals 1 which are arranged in a distributed mode, and a calculation result is sent to a centralized control terminal 2 for air defense coping. The monitoring of the target airspace does not need to send data to a remote rear-end server for unified processing, so that the requirements for data transmission bandwidth and data transmission delay are reduced, the data processing amount of the rear-end server is reduced, the processing time cost of the rear-end server is reduced, the security strength is enhanced, the purposes of immediately responding to intrusion and dangerous conditions and alarming are achieved, and the airspace safety is ensured.
As an alternative embodiment, the edge detecting terminal 1 includes:
the monitoring camera and/or the sensor are/is used for acquiring monitoring data of each area of the target airspace in real time;
and the edge computing equipment is used for performing edge computing on the monitoring data of each region of the target airspace acquired by the local monitoring camera and/or the sensor to obtain a monitoring computing result of the target airspace region corresponding to the current edge detection end.
The beneficial effects of the above technical scheme are: the monitoring camera and various sensors are used for comprehensively acquiring image information and monitoring data of each region of the target airspace, wherein the image information and the monitoring data comprise position, speed, size, action track data and the like of weapon equipment such as various types of airplanes, missiles and the like in the air, so that a comprehensive data basis is provided for subsequent detection and analysis of intrusion and attack behaviors, and the accuracy of detection and analysis results (such as whether the airspace is attacked or not and attack conditions) is ensured.
As an alternative embodiment, the edge calculating device of each edge detection terminal includes: a main device and an auxiliary device; the main equipment and the auxiliary equipment are used for performing edge calculation on monitoring data of each area of target vacancy acquired by a local monitoring camera and/or a sensor;
the edge detection terminal further includes:
and the processing module is used for determining the control and response of the main equipment to the local monitoring camera and/or the sensor according to the monitoring calculation result of the main equipment, checking whether the calculation result of the current edge detection end is wrong according to the calculation result of the auxiliary equipment, stopping the control and response of the main equipment to the local monitoring camera and/or the sensor when the calculation result of the edge detection end is checked to be wrong, and re-initializing the local edge calculation equipment.
The beneficial effects of the above technical scheme are: two edge computing devices are distributed for each monitoring camera and each sensor, one is a main device, the other is an auxiliary device (namely a standby auxiliary device), the main device and the standby auxiliary device can be set when the two devices are initially used, when monitoring and detecting the target airspace, the two edge computing devices process data of each monitoring camera and each other sensor, and generating corresponding calculation processing results, controlling and responding the camera and the sensor by the processing result of the main equipment, comparing and checking whether the processing result of the main equipment is wrong or not by the processing result of the standby auxiliary equipment, immediately stopping the control and the response of the main equipment if the processing result of the main equipment is wrong, and the corresponding edge computing equipment is subjected to system initialization, so that the accuracy of the computing result of the edge computing equipment is ensured.
As an alternative embodiment, the edge detecting terminal 1 further includes:
and the shutdown control module is used for determining whether the edge computing equipment needs to be shut down and replaced and sending out a corresponding prompt according to the historical use times of the local edge computing equipment and the reinitialization times after each use.
The beneficial effects of the above technical scheme are: the local edge computing devices are all set according to the master-slave relationship, and the master-slave relationship of the edge computing devices can be adjusted or the master edge computing devices can be replaced in time when the master edge computing devices are initialized frequently, i.e. errors occur frequently in the computing results, so that the accuracy of the computing results of the edge computing devices is improved, and the stability of the system is ensured.
As an alternative embodiment, the edge detecting terminal 1 further includes:
and the master-slave switching module is used for controlling the master-slave relationship between the master equipment and the slave equipment according to the time for performing edge calculation on the monitoring data of the local monitoring cameras and/or the sensors each time by the local master equipment and the slave equipment after performing edge calculation for a second preset time on the monitoring data of each region of the target airspace acquired by each pair of local monitoring cameras and/or the sensors by the local edge calculation equipment.
The beneficial effects of the above technical scheme are: the local edge computing devices are all set according to the master-slave relationship, after edge computing is carried out by the edge computing devices every continuous second preset time, according to the time for carrying out edge computing on the monitoring data of the local monitoring camera and/or the sensor every time during the period, of the main edge computing device (main device) and the slave edge computing device (auxiliary device), when the accumulated time processed by the auxiliary device is shorter than the accumulated time processed by the main device, the master-slave relationship of the edge computing devices can be adjusted, the monitoring data can be processed more quickly, the air defense response time is effectively reduced, and the safety of air defense is improved.
As an optional embodiment, the processing module is specifically configured to check a calculation result check value of the current edge detection end according to a first formula, and determine whether the calculation result check value of the current edge detection end is equal to 0, if yes, determine that the calculation result of the current edge detection end is incorrect, stop control and response of the master device to the monitoring camera and/or the sensor, and reinitialize the local edge calculation device;
wherein the first formula is:
in the first formula, J (a) represents the check value of the calculation result of the current a-th edge detection end；,D 1 (a_k)- 10 Representing the decimal form of kth sub data in calculation result data generated by main equipment in the a-th edge detection terminal, wherein the sub data comprise control data and response data of the main equipment to a local monitoring camera and/or a sensor; d, D 2 (a_k)- 10 The decimal form of kth sub data in the calculation result data generated by the auxiliary equipment in the a-th edge detection end is represented; | | represents the absolute value; g 1 (a) The method comprises the steps of representing the number of subdata in calculation result data generated by main equipment in an a-th edge detection end; g 2 (a) Representing the number of subdata in the calculation result data generated by the auxiliary equipment in the a-th edge detection end; k is 1,2, …, G 1 (a)；
The shutdown control module is specifically configured to calculate a shutdown replacement control value of the local edge computing device according to a second formula, and determine whether the currently calculated shutdown replacement control value of the local edge computing device is equal to 1, and if so, prompt a user that shutdown is required and the local edge computing device is replaced;
wherein the second formula is:
in the second formula, w (a) represents a shutdown replacement control value of the a-th edge calculation device; r (x _ a) represents a state value after the history x-th use of the a-th edge computing device to generate the monitoring computing result, and if the a-th edge computing device is reinitialized after the history x-th use of the a-th edge computing device to generate the monitoring computing result, R (x _ a) is equal to 1, otherwise, R (x _ a) is equal to 0; n (a) represents the total number of historical uses of the a-th edge computing device; i represents an integer variable; n is a first preset number of times, and the value can be 5;
the master-slave switching module is specifically used for calculating a master-slave switching control value of the local edge calculation device after the local edge calculation device performs Y-time edge calculation according to a third formula, judging whether the currently calculated master-slave switching control value is less than 0, and controlling the master device and the auxiliary device to switch the master-slave relationship if the currently calculated master-slave switching control value is less than 0;
wherein Y is the second preset number of times, and the third formula is:
in the third formula, s (a) represents a master-slave switching control value of the a-th edge computing device; t is t 1 (Y _ a) represents the time of the main device performing edge calculation on the monitoring data of the local monitoring camera and/or the sensor at the Y time in the Y edge calculation after the a edge calculation device performs Y edge calculation; t is t 2 (Y _ a) represents the time of the auxiliary device performing edge calculation on the monitoring data of the local monitoring camera and/or the sensor for the Y time in the Y edge calculation after the a edge calculation is performed for each Y time by the a edge calculation device; f, -represents a sign check function, the function value being 1 if the value in the parentheses is a positive number, 0 if the value in the parentheses is zero, and-1 if the value in the parentheses is a negative number; y is 1,2, …, Y.
The beneficial effects of the above technical scheme are: whether the processing result of the main edge computing equipment is wrong or not is checked by using a first formula (1) according to the processing result of the standby auxiliary equipment (auxiliary equipment), so that the accuracy of the processing data of each edge computing equipment is known by intelligent self-checking, and the reliability of the total system is ensured; then, judging whether shutdown and replacement are needed or not according to the historical use times of the edge computing equipment corresponding to each monitoring camera and each other sensor and the initialization times after each use by using a second formula (2), so that shutdown and replacement are performed on equipment with multiple initialization behaviors or equipment with initialization behaviors after continuous 5-time use, and the accuracy and reliability of computing of the edge computing equipment are guaranteed; and finally, controlling the master-slave relationship of the two edge computing devices according to the time for performing data processing on each monitoring camera and each other sensor each time during the continuous Y-time edge computing by using the third formula (3) according to the two edge computing devices in the master-slave relationship, so that the edge computing device which processes the monitoring data quickly is used as the master device, the time for processing and controlling the data is effectively shortened, and the overall efficiency of the system is improved.
From the content of the above embodiment, a plurality of edge detection terminals (including edge computing devices) arranged in a distributed manner are arranged, edge computation is performed on monitoring data of each region of the target airspace, and aggression and attack behaviors are detected, so that the air defense response time is effectively reduced, the processing time cost of a back-end server is reduced, and the safety of the airspace is ensured. Further, the number of edge computing devices allocated to each monitoring camera and each other sensor is two, one of the two edge computing devices is a main device, the other one of the two edge computing devices is a standby auxiliary device (auxiliary device), the main device and the standby auxiliary device can be set when the two devices are initially used, when corresponding vacancy monitoring is carried out, the two edge computing devices carry out data processing on each monitoring camera and each other sensor and generate corresponding processing results, the processing results of the main device carry out control and response on the cameras and the sensors, the processing results of the standby auxiliary device are used for comparing and checking whether the processing results of the main device are wrong or not, if the processing results of the main device are wrong, the control and response of the main device are immediately stopped, the corresponding edge computing devices are subjected to system initialization, and further, the history of the edge computing devices corresponding to each monitoring camera and each other sensor is used for enabling the control and response of the main device to be wrong, and the history of the edge computing devices corresponding to each monitoring camera and each other sensor is further used for enabling the monitoring cameras and each other sensor to enable the monitoring cameras and each other sensor to be used for enabling the monitoring cameras and the edge computing devices to be used for enabling the monitoring devices to be wrong edge computing devices And after the sensor data are processed for multiple times, controlling the master-slave relationship of the two edge computing devices according to the time for the two edge computing devices to process the data of each monitoring camera and each other sensor every time, so that the monitoring data can be processed more quickly.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the methods specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the method specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the methods specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations. The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. An air defense auxiliary detection system based on edge calculation, which is characterized by comprising:
the edge detection terminals are arranged in a distributed mode and used for acquiring monitoring data of each area of the target airspace, performing edge calculation on the monitoring data and sending the calculated monitoring calculation result to the remote centralized control terminal;
and the centralized control end is used for determining whether the corresponding area of the target airspace needs to be subjected to air defense response according to the monitoring calculation result of each edge detection end.
2. The air defense auxiliary detection system based on edge calculation as claimed in claim 1, wherein the edge detection end comprises:
the monitoring camera and/or the sensor are/is used for acquiring monitoring data of each area of the target airspace in real time;
and the edge computing equipment is used for performing edge computing on the monitoring data of each region of the target vacancy acquired by the local monitoring camera and/or the sensor to obtain a monitoring computing result of the target vacancy region corresponding to the current edge detection end.
3. The air defense auxiliary detection system based on edge calculation as claimed in claim 2, wherein the edge calculation device of each edge detection end comprises: a main device and an auxiliary device; the main equipment and the auxiliary equipment are used for performing edge calculation on monitoring data of each area of target vacancy acquired by a local monitoring camera and/or a sensor;
the edge detection terminal further includes:
and the processing module is used for determining the control and response of the main equipment to the local monitoring camera and/or the sensor according to the monitoring calculation result of the main equipment, checking whether the calculation result of the current edge detection end is wrong according to the calculation result of the auxiliary equipment, stopping the control and response of the main equipment to the local monitoring camera and/or the sensor when the calculation result of the edge detection end is checked to be wrong, and re-initializing the local edge calculation equipment.
4. The air defense auxiliary detection system based on edge calculation as claimed in claim 3, wherein the edge detection terminal further comprises:
and the shutdown control module is used for determining whether the edge computing equipment needs to be shut down and replaced and sending out a corresponding prompt according to the historical use times of the local edge computing equipment and the reinitialization times after each use.
5. The air defense auxiliary detection system based on edge calculation as claimed in claim 3 or 4, wherein the edge detection terminal further comprises:
and the master-slave switching module is used for carrying out edge calculation for a second preset time on the monitoring data of each region of the target vacancy acquired by each pair of local monitoring cameras and/or sensors of the local edge calculation equipment, and controlling the master-slave relationship between the master equipment and the slave equipment according to the time for carrying out edge calculation on the monitoring data of the local monitoring cameras and/or sensors by the local master equipment and the slave equipment each time.
6. The air defense auxiliary detection system based on edge calculation as claimed in claim 5, wherein the processing module is specifically configured to check the calculation result check value of the current edge detection end according to a first formula, and determine whether the calculation result check value of the current edge detection end is equal to 0, if yes, determine that the calculation result of the current edge detection end is incorrect, stop the control and response of the master device to the monitoring camera and/or the sensor, and reinitialize the local edge calculation device;
wherein the first formula is:
in the first formula, J (a) represents a calculation result check value of the current a-th edge detection end; [ D ] 1 (a_k)] 10 Represents the calculation node generated by the master device in the a-th edge detection terminalA decimal form of kth sub-data in the effect data, the sub-data comprising control data and response data of the master device to a local monitoring camera and/or a sensor; [ D ] 2 (a_k)] 10 The decimal form of kth sub data in the calculation result data generated by the auxiliary equipment in the a-th edge detection end is represented; | | represents the absolute value; g 1 (a) The method comprises the steps of representing the number of subdata in calculation result data generated by main equipment in an a-th edge detection end; g 2 (a) Representing the number of subdata in the calculation result data generated by the auxiliary equipment in the a-th edge detection end; k is 1,2, …, G 1 (a)；
The shutdown control module is specifically configured to calculate a shutdown replacement control value of the local edge computing device according to a second formula, and determine whether the currently calculated shutdown replacement control value of the local edge computing device is equal to 1, and if so, prompt a user that shutdown is required and the local edge computing device is replaced;
wherein the second formula is:
in the second formula, w (a) represents a shutdown replacement control value of the a-th edge calculation device; r (x _ a) represents a state value after the history x-th use of the a-th edge computing device to generate the monitoring computing result, and if the a-th edge computing device is reinitialized after the history x-th use of the a-th edge computing device to generate the monitoring computing result, R (x _ a) is equal to 1, otherwise, R (x _ a) is equal to 0; n (a) represents the total number of historical uses of the a-th edge computing device; i represents an integer variable; n is a first preset number of times;
the master-slave switching module is specifically configured to calculate, according to a third formula, a master-slave switching control value of the local edge calculation device after every Y times of edge calculation is performed on the local edge calculation device, and determine whether the currently calculated master-slave switching control value is smaller than 0, and if yes, control the master device and the slave device to swap the master-slave relationship;
wherein Y is the second preset number of times, and the third formula is:
in the third formula, s (a) represents a master-slave switching control value of the a-th edge computing device; t is t 1 (Y _ a) represents the time of the main device performing edge calculation on the monitoring data of the local monitoring camera and/or the sensor at the Y time in the Y edge calculation after the a edge calculation device performs Y edge calculation; t is t 2 (Y _ a) represents the time of the auxiliary device performing edge calculation on the monitoring data of the local monitoring camera and/or the sensor for the Y time in the Y edge calculation after the a edge calculation device performs Y edge calculations; f2]A sign check function is represented, wherein the function value is 1 if the value in the parentheses is a positive number, the function value is 0 if the value in the parentheses is zero, and the function value is-1 if the value in the parentheses is a negative number; y is 1,2, …, Y.
7. The air defense auxiliary detection system based on edge calculation as claimed in claim 6, wherein the first preset number of times N is 5.
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| CN111371592A (en) * | 2020-02-21 | 2020-07-03 | 无锡华云数据技术服务有限公司 | Node switching method, device, equipment and storage medium |
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