CN116828639A - High-availability communication networking method and system for forest fire prevention - Google Patents
High-availability communication networking method and system for forest fire prevention Download PDFInfo
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Abstract
The invention provides a high-availability communication networking method and a system for forest fire prevention, which relate to the field of ad hoc network communication and comprise the following steps: based on the wireless communication network, the control center collects and processes global data and issues instructions at the same time; communication relay between the mobile terminal and the control center is carried out through the relay equipment; the mobile terminal at least comprises a personal communication terminal and a sound amplifying device, and the personal communication terminal and the sound amplifying device are connected with the relay device in a wireless way; when the personal communication terminal is detected to be in a fault state, controlling the sound amplifying equipment to replace the fault equipment to implement communication; configuring a plurality of relay devices as backup communication relay devices; and carrying out load balancing scheduling on the inside of a communication network formed by the relay equipment and the mobile terminal based on the convolutional neural network model. The invention combines the field requirement based on the mature wireless ad hoc network technology, freely establishes the local communication network, and can provide safe and reliable wide-range network coverage which is easy to detach and establish and is instant to use and instant to open for the fire emergency field.
Description
Technical Field
The invention relates to the field of ad hoc network communication, in particular to a high-availability communication networking method and system for forest fire prevention.
Background
In the disaster-resistant rescue action, the stable and reliable wireless communication network can greatly improve rescue efficiency and safety, and the communication network can be quickly built on site based on a wireless ad hoc network technology in the prior practice, and mainly comprises the following steps: a vehicle network, an unmanned aerial vehicle network, an unmanned consist network, or a mobile backpack-type self-organizing network. The vehicle-mounted network has the structure that the vehicle and an external receiver realize wireless data transmission, the hardware is based on the fact that wireless communication equipment is installed in the vehicle, real-time transmission of vehicle information is realized, information is provided for a driver, the driver can adjust the driving route of the vehicle according to own requirements in advance, an unmanned aerial vehicle network, a mobile knapsack type self-organizing network, an unmanned vehicle network and the like are similar, the ordinary disaster relief requirements can be met to a certain extent, but in forest fire prevention work and fire rescue work, the reliability and the functionality of the various self-organizing network are limited by environmental factors, the communication function cannot be utilized to a high degree, and the problems of unstable communication, unbalanced communication power consumption and the like are easy to occur.
Therefore, how to construct an ad hoc communication network with high availability and balanced communication power consumption is a technical problem to be solved.
Disclosure of Invention
The invention aims at solving at least one of the technical problems existing in the prior art or related technologies, discloses a high-availability communication networking method and system for forest fire prevention, integrates a sound amplifying and broadcasting function, has multiple redundant communication networks, has the advantages of strong practicability, high reliability and the like, and is beneficial to further guaranteeing the safety of first-line personnel.
The first aspect of the invention discloses a high-availability communication networking method for forest fire prevention, which comprises the following steps: collecting and processing global data by a control center based on a wireless communication network (for example, a wireless communication network such as 5G, 4G, wifi and the like) and issuing instructions at the same time; communication relay between the mobile terminal and the control center is carried out through the relay equipment; the mobile terminal at least comprises a personal communication terminal and a sound amplifying device, and the personal communication terminal and the sound amplifying device are connected with the relay device in a wireless way; when the personal communication terminal is detected to be in a fault state, controlling the sound amplifying equipment to replace the fault equipment to implement communication; configuring a plurality of relay devices as backup communication relay devices; and carrying out load balancing scheduling on the inside of a communication network formed by the relay equipment and the mobile terminal based on the convolutional neural network model.
In the technical scheme, a control center judges the states of all access devices, and the communication devices which are mutually backup take over the work of fault devices by the normally working devices; the data of the control center is transmitted to the relay equipment through the ad hoc network wireless network; the relay equipment checks the integrity of the mobile terminal, if the personal communication terminal fails, the sound amplifying equipment takes over the communication work of the personal communication terminal and performs audio broadcasting, and if the sound amplifying equipment fails, the unmanned aerial vehicle terminal replaces the sound amplifying equipment. Not only improves the communication reliability, but also can realize broadcast notification and command, and improves the practicability of the communication network in the disaster-resistant rescue site.
According to the high-availability communication networking method for forest fire prevention disclosed by the invention, preferably, the relay equipment at least comprises vehicle-mounted communication equipment and unmanned aerial vehicle communication equipment for networking, and the unmanned aerial vehicle communication equipment is further provided with a loudspeaker and a radio device.
In the technical scheme, the unmanned aerial vehicle equipment can collect video data by virtue of own advantages, and comprehensive data support is provided for disaster relief.
According to the high-availability communication networking method for forest fire prevention disclosed by the invention, preferably, the sound amplifying equipment is unmanned vehicle sound amplifying equipment.
The high-availability communication networking method for forest fire prevention disclosed by the invention preferably further comprises the following steps: the relay device is configured to be able to implement a communication function instead of any mobile terminal.
The high-availability communication networking method for forest fire prevention disclosed by the invention preferably further comprises the following steps: and detecting the state of the access equipment through the control center, and calling new unmanned aerial vehicle communication equipment to replace when the unmanned aerial vehicle communication equipment is detected to be faulty.
The high-availability communication networking method for forest fire prevention disclosed by the invention preferably further comprises the following steps: and checking the integrity of the mobile terminal through the relay equipment, and directly transmitting the data and the instruction of the control center to the personal communication terminal by the relay equipment under the condition that the mobile terminal is determined to work normally.
The high-availability communication networking method for forest fire prevention disclosed by the invention preferably further comprises the following steps: sensors are provided on the relay device and/or the mobile terminal to collect field environment data.
The high-availability communication networking method for forest fire prevention disclosed by the invention preferably further comprises the following steps: and receiving field environment data and analyzing the data through a control center so as to facilitate auxiliary command, wherein the environment data comprises wind speed data and/or temperature data.
A second aspect of the invention discloses a high availability communication networking system for forest fire protection, comprising: the control center collects and processes global data and issues instructions at the same time; the unmanned aerial vehicle terminal is wirelessly connected with the control center and used as a communication relay node; the vehicle-mounted equipment is connected with the control center in a wireless way and is used as a communication relay node, and the plurality of vehicle-mounted equipment are mutually backed up or the vehicle-mounted equipment and the unmanned aerial vehicle terminal are mutually backed up; the personal terminal is wirelessly connected with the vehicle-mounted equipment and/or the unmanned aerial vehicle terminal and is used for reporting information, answering information or playing audio; the unmanned aerial vehicle public address equipment is wirelessly connected with the vehicle-mounted equipment and/or the unmanned aerial vehicle terminal and is used for broadcasting audio or replacing a personal terminal to communicate.
The high-availability communication networking system for forest fire prevention disclosed by the invention preferably further comprises: and the sensor is integrated in any communicable terminal of the working site and is used for collecting environmental data of the site.
The beneficial effects of the invention at least comprise: 1) The unmanned aerial vehicle terminal and the vehicle-mounted equipment form a load communication relay, so that the reliability of communication is ensured, namely, no matter which single equipment or two pieces of equipment in the relay part have problems, the communication and the data transmission are not influenced, and the reliability of forest fire rescue communication is ensured; meanwhile, each device realizes a main responsible unit for the mobile terminal part, reduces unnecessary monitoring and ensures the reliability of communication. The mobile terminal part mainly takes a rescue team as a team, each person is provided with a mobile knapsack, and the team at least comprises an unmanned vehicle-mounted loudspeaker, so that broadcast type issuing tasks can be realized through the loudspeaker, and independent communication can be realized through the person.
2) Besides the functions of main relay communication and video acquisition, the unmanned aerial vehicle terminal has the functions of radio reception and loudspeaker of the mobile terminal, and also provides redundant support and communication support for equipment of the personal mobile terminal, so that when the personal mobile terminal fails, power failure and the like, a person can communicate with a control center in real time through the unmanned aerial vehicle terminal, and the functions of command control and the like are realized.
3) The mobile terminal is used on site by rescue personnel, multiple redundancies are realized through the unmanned aerial vehicle terminal, the personal mobile terminal and the unmanned aerial vehicle public address equipment, the reliability of the mobile terminal part is improved, and the safety of first-line personnel is further ensured.
4) The temperature and wind speed detection sensors of the relay part and the mobile terminal part are used as carriers for acquiring important environmental data of a first-line personnel safety and rescue scientific mode, so that a control center can analyze and predict collected field environmental data (temperature, wind speed, wind direction and the like) by using a convolutional neural network model, assist in local weather data, study and judge the trend of a fire condition, and command the site fire fighting and the first-line personnel scientific station and fire fighting layout.
5) The load communication between the personal terminal and the unmanned aerial vehicle is constructed by adopting a dynamic game method, so that the initialized system can reach a better power consumption state, the worst power consumption condition can be avoided, the system is ensured to operate in the better power consumption state, and the communication network is reconstructed according to the method in emergency.
Drawings
Fig. 1 shows a network architecture diagram of a high availability communication networking system for forest fire prevention according to one embodiment of the invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and therefore the present invention is not limited to the specific embodiments disclosed below.
According to one embodiment of the invention, a high availability communication networking method for forest fire prevention is disclosed, comprising: based on the wireless communication network, the control center collects and processes the global data and issues the instruction at the same time; communication relay between the mobile terminal and the control center is carried out through the relay equipment; the mobile terminal at least comprises a personal communication terminal and a sound amplifying device, and the personal communication terminal and the sound amplifying device are connected with the relay device in a wireless way; when the personal communication terminal is detected to be in a fault state, controlling the sound amplifying equipment to replace the fault equipment to implement communication; configuring a plurality of relay devices as backup communication relay devices; and carrying out load balancing scheduling on the inside of a communication network formed by the relay equipment and the mobile terminal based on the convolutional neural network model.
According to the above embodiment, preferably, the relay device includes at least a vehicle-mounted communication device and a drone communication device.
According to the above embodiment, the amplifying device is preferably an unmanned vehicle amplifying device.
According to the above-described embodiments, it is preferable that the relay device is configured to be able to implement a communication function instead of any mobile terminal.
According to the above embodiment, preferably, the control center detects the state of the access device, and when detecting that the unmanned aerial vehicle communication device fails, invokes a new unmanned aerial vehicle communication device to replace.
According to the above embodiment, preferably, the relay device checks the integrity of the mobile terminal, and in the case that the mobile terminal is determined to work normally, the relay device directly issues the data and the instruction of the control center to the personal communication terminal.
According to the above embodiment, it is preferable that a sensor is provided on the relay device and/or the mobile terminal to collect the site environment data.
According to the above embodiment, the on-site environmental data is preferably received by the control center and analyzed to facilitate the auxiliary command, wherein the environmental data includes wind speed data and/or temperature data.
The specific process of load balancing scheduling comprises the following steps: in the initialization stage of communication between the personal terminal device and the unmanned aerial vehicle, a dynamic game method is adopted for planning, and a specific dynamic game model is as follows:
the main influencing factors in formulating personal terminal load forwarding information are as follows: the number of times n of unmanned aerial vehicle load forwarding information, the carrying capacity g of the unmanned aerial vehicle, and the specification h of unmanned aerial vehicle batteries. Based on this, the power consumption of the load transfer information of the personal terminal decreases with the increase of the number of times of the load transfer information, decreases with the increase of the load capacity of the unmanned aerial vehicle, increases with the increase of the specification of the own battery, and assumes thatInfluence coefficient indicating the number of times of load forwarding information on power consumption, < ->Influence coefficient representing the load capacity of the unmanned aerial vehicle itself on the power consumption, +.>Indicating the power consumption impact coefficient of the specification of the personal terminal battery (all impact coefficients are greater than zero). Thus, the personal terminal forwards a piece of load information power consumption +.>The expression is as follows: (1)
wherein,,representing the potential maximum consumable power consumption of a personal terminal forwarding a piece of load information.
Number of times unmanned aerial vehicle load forwards informationDepending on the power consumption of forwarding a piece of load information +.>And power consumption of the personal terminal forwarding a piece of load information>The number of times of forwarding information decreases with the increase of the power consumption, and the number of times of forwarding information is setInfluence coefficient indicating maximum power consumption of unmanned aerial vehicle forwarding a piece of load information on load communication times, +.>An influence coefficient indicating the power consumption of the personal terminal for forwarding a piece of load information on the number of load communication times, +.>The expression is:
(2)
wherein,,indicating the number of potential maximum load communications for the drone.
Constructing a benefit function of the personal terminal equipment: the benefit of the personal terminal is the difference of the power consumption of the personal terminal load forwarding information minus the power consumption of the personal terminal receiving and transmitting information multiplied by the forwarding information amount, and the benefit function is shown in a formula (3):
(3)
wherein,,representing the power consumption of the personal terminal to transmit and receive a piece of information.
Forwarding load information power consumption for personal terminal profit functionObtaining a marginal benefit function of the personal terminal as shown in equation (4):
(4)
personal terminal benefit function versus load information power consumptionIs +.>Always less than 0 indicates that the personal terminal's benefit function equation is a convex function, so there is a unique maximum in personal terminal benefit, and the maximum occurs in the case where equation (4) is zero, i.e. +.>Personal terminal benefit is at a maximum.
Constructing a benefit function of the unmanned aerial vehicle: the gain of the unmanned aerial vehicle is the normal message receiving and transmitting power consumption of the unmanned aerial vehicleMinus forwarding load message power consumption->Subtracting a piece of information from the other power consumption besides forwarding>Is multiplied by the amount of forwarding the payload message +.>The profit function of a specific unmanned aerial vehicle is formula (5):
(5)
solving unmanned aerial vehicle normal message receiving and transmitting power consumption for unmanned aerial vehicle profit functionObtaining a marginal benefit function of the unmanned aerial vehicle as shown in formula (6):
(6)
unmanned aerial vehicle profit function normally transmits and receives message power consumption to unmanned aerial vehicleIs of the second derivative of (2)
And the benefit function equation of the unmanned aerial vehicle is a convex function, and the unique maximum value of the benefit of the unmanned aerial vehicle is shown.
In the single-period game process, the first derivative of the marginal benefit function of the unmanned aerial vehicle is orderedNamely, the formula (6) is equal to 0, and the optimal power consumption of forwarding load information of the unmanned aerial vehicle is obtained>As shown in formula (7):
(7)
will beSubstituting the information into the formula (2) to obtain the optimal forwarding load information quantity based on the leading of the unmanned aerial vehicle, wherein the optimal forwarding load information quantity is shown in the formula (8):
(8)
will beSubstituting the power consumption into the formula (1) to obtain optimal forwarding load information power consumption based on unmanned aerial vehicle dominant>As shown in formula (9):
(9)
substituting the formula (9) into the formula (8), and calculating to obtain the optimal forwarding information quantity under the condition that the unmanned aerial vehicle forwards the load information:
(10)
substituting the formula (9) into the formula (7), and calculating to obtain the optimal power consumption of the forwarding load information of the unmanned aerial vehicle:
(11)
will be、/>And->Substituting the optimal unmanned aerial vehicle gain into a formula (5) to obtain the optimal unmanned aerial vehicle gain based on unmanned aerial vehicle leading:
(12)
in summary, the communication process of the communication system disclosed in the above embodiment of the present invention includes the following steps:
step (1) issuing information such as data, instructions and the like through a control center;
step (2), the control center judges the state of each access device, and executes step (4) for normal devices and step (3) for devices with problems;
the intact equipment in the step (3) takes over various communication, data and functions of the equipment with problems, the unmanned aerial vehicle terminal has problems, and a new unmanned aerial vehicle terminal is directly called;
the information in the step (4) reaches the vehicle-mounted equipment and the unmanned aerial vehicle terminal equipment through wireless communication;
the vehicle-mounted equipment and the unmanned aerial vehicle terminal check the integrity of the personal terminal equipment and the unmanned aerial vehicle broadcasting equipment, if the equipment is in good condition, the step (7) is executed, if the personal equipment is in problem, the step (6) is executed, and if the unmanned aerial vehicle broadcasting equipment is in problem, the unmanned aerial vehicle terminal is directly used for replacing;
step (6), notifying the person participating in rescue by using the unmanned vehicle broadcasting equipment and replacing the task of the personal equipment;
step (7), issuing related data or instructions to the personal terminal equipment through the vehicle-mounted equipment and the unmanned aerial vehicle terminal;
and (8) issuing related data or instructions to unmanned aerial vehicle broadcasting equipment through the vehicle-mounted equipment and the unmanned aerial vehicle terminal to realize broadcasting command or notification. Meanwhile, the temperature and wind speed detection sensors of the relay part and the mobile terminal part can automatically upload the temperature and wind speed formed by the site to the control center through the communication system in real time, and the control center analyzes and predicts the site environment by using the convolutional neural network model and assists in command.
As shown in fig. 1, a high availability communication networking system for forest fire prevention is also disclosed according to a further embodiment of the present invention, comprising: the control center collects and processes global data and issues instructions at the same time; the unmanned aerial vehicle terminal is wirelessly connected with the control center and used as a communication relay node; the vehicle-mounted equipment is connected with the control center in a wireless way and is used as a communication relay node, and the plurality of vehicle-mounted equipment are mutually backed up or the vehicle-mounted equipment and the unmanned aerial vehicle terminal are mutually backed up; the personal terminal is wirelessly connected with the vehicle-mounted equipment and/or the unmanned aerial vehicle terminal and is used for reporting information, answering information or playing audio; the unmanned aerial vehicle public address equipment is wirelessly connected with the vehicle-mounted equipment and/or the unmanned aerial vehicle terminal and is used for broadcasting audio or replacing a personal terminal to communicate.
In the embodiment, the vehicle-mounted equipment and the unmanned aerial vehicle terminal are responsible for communication relay between the control center and the mobile terminal, the vehicle-mounted equipment and the unmanned aerial vehicle terminal are relay equipment and are backup communication relay equipment, and the internal communication equipment of the vehicle-mounted equipment and the unmanned aerial vehicle terminal performs load balancing scheduling based on a convolutional neural network model and simultaneously has a function of being used as part of load communication of the mobile terminal; the mobile terminal part comprises personal terminal equipment and unmanned aerial vehicle public address equipment, the unmanned aerial vehicle equipment replaces the original communication capacity and broadcasts notification command information under the conditions that the personal terminal equipment cannot hear, the personal terminal equipment is taken as the main unmanned aerial vehicle public address equipment as a backup, and 3-5 personal terminals are followed to form a team; the relay part and the mobile terminal part are provided with temperature and wind speed detection sensors which are respectively responsible for the acquisition of corresponding data and are respectively arranged on each device.
In summary, the high-availability communication networking method and system for forest fire prevention disclosed by the invention can provide safe, reliable, easy-to-detach and easy-to-build, and instant-to-use large-scale network coverage for a fire emergency site, can perform free building according to site requirements, can flexibly deploy chain, tree and mesh networking, and realize an on-demand and instant-to-instant data communication network.
All or part of the steps in the various methods of the above embodiments may be performed by controlling related hardware by a program, which may be stored in a readable storage medium including Read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), programmable Read-Only Memory (Programmable Read-Only Memory, PROM), erasable programmable Read-Only Memory (ErasableProgrammable Read Only Memory, EPROM), one-time programmable Read-Only Memory (One-timeProgrammable Read-Only Memory, OTPROM), electrically erasable rewritable Read-Only Memory (EEPROM), compact disc Read-Only Memory (CD-ROM) or other optical disk Memory, magnetic disk Memory, tape Memory, or any other medium capable of being used for carrying or storing data.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A high availability communication networking method for forest fire protection, comprising:
based on the wireless communication network, the control center collects and processes global data and issues instructions at the same time;
communication relay between the mobile terminal and the control center is carried out through relay equipment;
the mobile terminal at least comprises a personal communication terminal and a sound amplifying device, wherein the personal communication terminal and the sound amplifying device are in wireless connection with the relay device;
when the personal communication terminal is detected to be in a fault state, controlling the sound amplifying equipment to replace fault equipment to implement communication;
configuring a plurality of relay devices to be backup communication relay devices;
and carrying out load balancing scheduling on the inside of a communication network formed by the relay equipment and the mobile terminal based on the convolutional neural network model.
2. The high availability communication networking method for forest fires according to claim 1, characterized in that the relay device comprises at least an on-board communication device for networking and an unmanned aerial vehicle communication device, which is further equipped with a speaker and a radio.
3. A high availability communication networking method for forest fires according to claim 1, characterised in that the loudspeaker is an unmanned car loudspeaker.
4. A high availability communication networking method for forest fires according to claim 1, further comprising: the relay device is configured to be able to implement a communication function instead of any mobile terminal.
5. A high availability communication networking method for forest fires according to claim 2, further comprising: and detecting the state of the access equipment through the control center, and calling new unmanned aerial vehicle communication equipment to replace when the unmanned aerial vehicle communication equipment is detected to be in fault.
6. A high availability communication networking method for forest fires according to claim 1, further comprising: and checking the integrity of the mobile terminal through the relay equipment, and directly transmitting the data and the instruction of the control center to the personal communication terminal by the relay equipment under the condition that the mobile terminal works normally.
7. A high availability communication networking method for forest fires according to any one of claims 1 to 6, further comprising: and setting a sensor on the relay equipment and/or the mobile terminal to collect field environment data.
8. A high availability communication networking method for forest fires according to claim 7, further comprising: and receiving the field environment data through the control center and analyzing the data so as to facilitate auxiliary command, wherein the environment data comprises wind speed data and/or temperature data.
9. A high availability communication networking system for forest fires, comprising:
the control center collects and processes global data and issues instructions at the same time;
the unmanned aerial vehicle terminal is wirelessly connected with the control center and used as a communication relay node;
the vehicle-mounted equipment is in wireless connection with the control center and is used as a communication relay node, and a plurality of vehicle-mounted equipment are backed up mutually or the vehicle-mounted equipment and the unmanned aerial vehicle terminal are backed up mutually;
the personal terminal is wirelessly connected with the vehicle-mounted equipment and/or the unmanned aerial vehicle terminal and is used for reporting information, answering information or playing audio;
and the unmanned aerial vehicle sound amplifying equipment is wirelessly connected with the vehicle-mounted equipment and/or the unmanned aerial vehicle terminal and is used for broadcasting audio or replacing the personal terminal to communicate.
10. A high availability communication networking system for forest fires according to claim 9, further comprising:
and the sensor is integrated in any communicable terminal of the working site and is used for collecting environmental data of the site.
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