CN107450597A - Communication system and method for rescue equipment at sea - Google Patents

Communication system and method for rescue equipment at sea Download PDF

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Publication number
CN107450597A
CN107450597A CN201710714066.0A CN201710714066A CN107450597A CN 107450597 A CN107450597 A CN 107450597A CN 201710714066 A CN201710714066 A CN 201710714066A CN 107450597 A CN107450597 A CN 107450597A
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CN
China
Prior art keywords
rescue
aerial vehicle
unmanned aerial
unmanned plane
search
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CN201710714066.0A
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Chinese (zh)
Inventor
马策
史玉回
黄骏
孙立君
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Southern University of Science and Technology
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Southern University of Science and Technology
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Application filed by Southern University of Science and Technology filed Critical Southern University of Science and Technology
Priority to CN201710714066.0A priority Critical patent/CN107450597A/en
Publication of CN107450597A publication Critical patent/CN107450597A/en
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
    • G05D1/12Target-seeking control

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)

Abstract

The invention belongs to the technical field of marine communication, and particularly relates to a communication system and a method of marine rescue equipment, wherein the system comprises an unmanned aerial vehicle group consisting of unmanned aerial vehicle monomers, the unmanned aerial vehicle monomers in the unmanned aerial vehicle group are connected through an optical cable, and one unmanned aerial vehicle monomer is used as a main unmanned aerial vehicle; the main unmanned aerial vehicle is used for sending a motion control instruction to the unmanned aerial vehicle single bodies in the unmanned aerial vehicle cluster and acquiring search and rescue information from the unmanned aerial vehicle single bodies; the main unmanned aerial vehicle is also used for acquiring search and rescue information of other unmanned aerial vehicles through electromagnetic induction; when maritime rescue is carried out, maritime search and rescue can be carried out quickly only by throwing the unmanned aerial vehicle monomer to the sea area needing search and rescue by taking the unmanned aerial vehicle group as a unit, so that efficiency of maritime search and rescue is improved, and the probability of losing rescue equipment is reduced.

Description

The communication system and method for rescue at sea equipment
Technical field
The invention belongs to overocean communications technical field, more particularly to a kind of communication system and method for rescue at sea equipment.
Background technology
In recent years, with the emergence developed rapidly with marine economy of ship science and technology, the status of maritime traffic transport is increasingly Significantly, world shipping market has obtained unprecedented expansion and development.Meanwhile also maritime traffic situation is become increasingly Complexity, collide, hit a submerged reef, be stranded, sinking etc. cause the Maritime Traffic Accident of great personal injury still to occur repeatedly.And sea is searched The technology for rescuing system is to shorten rescue time, improve the key condition of rescue success rate.
But influenceed by ocean current and weather, search operation is at sea carried out, more uncertainty be present, finds quilt The success rate for rescuing target is relatively low;Current maritime search and rescue are mainly searched and rescued by naval vessels or helicopter, often huge in consuming After big manpower financial capacity, efficient search and rescue can not be still realized, even result in the loss for searching and rescuing equipment.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of communication system and method for rescue at sea equipment, it is intended to solves mesh The problem of preceding maritime search and rescue efficiency is low.
First aspect of the embodiment of the present invention provides a kind of communication system of rescue at sea equipment, including by multiple unmanned plane lists The unmanned aerial vehicle group of body composition, the unmanned plane monomer in the unmanned aerial vehicle group are connected by optical cable, and with nothing one of them described Man-machine monomer is as main unmanned plane;
The main unmanned plane, for sending motion control by unmanned plane monomer of the bus protocol into the unmanned aerial vehicle group Instruction, and obtained from the unmanned plane monomer and search and rescue information;
The main unmanned plane, it is additionally operable to obtain the search and rescue information of other unmanned aerial vehicle groups by electromagnetic induction.
Second aspect of the embodiment of the present invention provides a kind of communication means of rescue at sea equipment, including:
Motion control instruction is sent by unmanned plane monomer of the bus protocol into the unmanned aerial vehicle group, and from it is described nobody Obtained on machine monomer and search and rescue information;
The search and rescue information of other unmanned aerial vehicle groups is obtained by electromagnetic induction.
In the embodiment of the present invention, multiple unmanned plane monomers are connected into by a unmanned aerial vehicle group, each unmanned plane by optical cable Group set a main unmanned plane, then using unmanned aerial vehicle group be SAR Unit progress maritime search and rescue, wherein, main unmanned plane to it is described nobody Unmanned plane monomer in a group of planes sends motion control instruction, and is obtained from the unmanned plane monomer and search and rescue information, realizes nobody Search and rescue information gathering in a group of planes;The search and rescue information of other unmanned aerial vehicle groups is also obtained by electromagnetic induction simultaneously, realizes unmanned plane The interaction of information is searched and rescued between group, and then realizes and cooperates between all unmanned plane monomers;When carrying out rescue at sea, only need The unmanned plane monomer is thrown to the marine site for needing to search and rescue in units of the unmanned aerial vehicle group, it is possible to rapidly carry out sea and search Rescue, improve the efficiency of maritime search and rescue, also, cannot be easily caused the loss of rescue aid.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is a kind of structural representation of the communication system of rescue at sea equipment provided in an embodiment of the present invention;
Fig. 2 is search and rescue region scope division schematic diagram provided in an embodiment of the present invention;
Fig. 3 is unmanned plane monomer searching route schematic diagram provided in an embodiment of the present invention;
Fig. 4 is the structured flowchart of unmanned plane monomer provided in an embodiment of the present invention;
Fig. 5 is the structured flowchart of electromagnetic induction communication module provided in an embodiment of the present invention;
Fig. 6 is a kind of the first implementation process block diagram of the communication means of rescue at sea equipment provided in an embodiment of the present invention;
Fig. 7 is a kind of the second implementation process block diagram of the communication means of rescue at sea equipment provided in an embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
Fig. 1 shows a kind of structural representation of the communication system of rescue at sea equipment provided in an embodiment of the present invention, bag Include the unmanned aerial vehicle group 200 being made up of multiple unmanned plane monomers 210, the unmanned plane monomer 210 in the unmanned aerial vehicle group 200 passes through light Cable connects, and is used as main unmanned plane 220 using unmanned plane monomer one of them described;
Wherein, the unmanned plane monomer 210 refers to single rescue aid, and the rescue aid can be that unmanned lifesaving is small Ship is unmanned lifebuoy, and the present invention is linked together the single rescue aid by optical cable, and is pulled by seawater, Unmanned aerial vehicle group is formed, so as to realize the extensive cooperation of individual equipment.For example, with set spacing distance set one it is described nobody Machine monomer 210, and form a unmanned aerial vehicle group 200 to set the unmanned plane monomer 210 of quantity, the setpoint distance and described sets Fixed number amount is set according to practical application, for example, a unmanned plane monomer 210 is set with 50m spacing distance, with 10 nothings Man-machine monomer 210 forms a unmanned aerial vehicle group 200.
In the unmanned aerial vehicle group 200, the unmanned plane monomer 210 is connected by optical cable, and by bus protocol with it is described Main unmanned plane 220 in unmanned aerial vehicle group is communicated.Wherein, the bus protocol includes CAN agreement and spi bus agreement Deng bus protocol, the embodiment of the present invention uses CAN agreement, CAN (the Controller Area Network controllers LAN) belong to the category of fieldbus, it is a kind of serial communication network for effectively supporting dcs, CAN It using serial data transmission mode, can be connected using optical cable, there is the characteristics of real-time, transmission rate is fast, have simultaneously The addressing of 11 and error detecing capability, the present invention complete the communication between unmanned plane monomer using CAN this feature, had Real-time, the advantages of reliability is high.
The embodiment of the present invention is provided with a main unmanned plane 220 in each unmanned aerial vehicle group, and the main unmanned plane 220 is by nothing The unmanned plane monomer 210 with stronger ability to communicate is served as in people's group of planes, for example, serving as the unmanned plane of the main unmanned plane The communication apparatus of monomer 210 need to be in intact state, and electricity is sufficient, can complete the master with other unmanned aerial vehicle groups The communication of unmanned plane, and the communication with the Surveillance center can also be completed.When the main unmanned plane in the unmanned aerial vehicle group When communication apparatus breaks down, the unmanned aerial vehicle group, which will independently be put forward, new to be used to lead to the main unmanned plane of other unmanned aerial vehicle groups Letter, and the main unmanned plane to be communicated with the Surveillance center.Therefore, the main unmanned plane in the unmanned aerial vehicle group can be according to nobody The equipment state of unmanned plane monomer in a group of planes carries out election generation.
The main unmanned plane 220, for the unmanned plane monomer transmission motion control instruction into the unmanned aerial vehicle group, and from Obtained on the unmanned plane monomer and search and rescue information;
As a kind of embodiment, as shown in figure 1, the communication system also includes Surveillance center 100, the Surveillance center Instruction is searched and rescued for being sent in units of the unmanned aerial vehicle group to the main unmanned plane;The main unmanned plane 220, for according to institute The unmanned plane monomer transmission motion control instruction for searching and rescuing instruction into the unmanned aerial vehicle group is stated, and is obtained from the unmanned plane monomer Take search and rescue information.
When emergency relief event occurs, the automatic cooperation that the unmanned aerial vehicle group 200 is opened by the Surveillance center 100 is searched and rescued Function, and sent in units of the unmanned aerial vehicle group 200 to the main unmanned plane 220 and search and rescue instruction, wherein, it is described to search and rescue instruction Distribute and instruct including search and rescue region, for example, Fig. 2 shows that search and rescue region scope divides schematic diagram, the present invention is to rescue target most The position G occurred afterwards is basic point, extrapolates circular rescue by information such as ocean current and wind directions and searches and rescues scope E, and circumscribed with the circle Square F is parallel search and rescue scope, and corresponding search and rescue region is distributed for each unmanned aerial vehicle group;In another example the Surveillance center 100 will The round circumscribed square F is divided by sphere of movements for the elephants, by the square area in the upper left corner, the square area in the upper right corner, the lower left corner Square area, the square area in the lower right corner is respectively divided to one or more unmanned aerial vehicle groups.
When the main unmanned plane receives the search and rescue region distribution instruction, the unmanned plane monomer into the unmanned aerial vehicle group Motion control instruction is sent, controls the unmanned plane monomer to be moved by the movement locus specified, and obtain searching in moving region Rescue information.For example, as shown in Fig. 2 the main unmanned plane receives the search and rescue region of the square area in the upper right corner described above During the distribution instruction of domain, control that the unmanned plane monomer 210 in the unmanned aerial vehicle group is in one line, and shape is into a line, along middle arrow institute Show direction, approached to the basic point G, complete the search and rescue of search and rescue region corresponding to the search and rescue region distribution instruction, obtain corresponding Search and rescue information.
Specifically, unmanned plane monomer described in the main unmanned aerial vehicle (UAV) control is also included by the movement locus motion specified:It is described Main unmanned plane formulates the movement locus of unmanned plane monomer according to the afloat position of the unmanned plane monomer, then control it is described nobody Machine monomer is moved by the movement locus of the formulation, obtains the search and rescue information in moving region.For example, the as shown in figure 3, master When unmanned plane receives the search and rescue region distribution instruction of the square area in the upper right corner described above, if in the unmanned aerial vehicle group Unmanned plane monomer 210 close on the edge in circle search region, then control unmanned plane monomer 210 in the unmanned aerial vehicle group along circle Shape region of search edge arranges, and is walked along direction shown in arrow.It should be noted that the unmanned plane list in the unmanned aerial vehicle group The movement velocity and the direction of motion of body are mutually coordinated so that the range of movement covering institute of the unmanned plane monomer in the unmanned aerial vehicle group State region of search corresponding to search and rescue region distribution instruction;For example, the movement velocity of the unmanned plane monomer left and right directions is the left side The average speed of adjacent unmanned plane monomer unmanned plane monomer adjacent with the right, the movement velocity of the unmanned plane monomer direction of advance For the average speed of the movement velocity and the unmanned plane maximum desired travel speed of the unmanned plane previous moment;Form such as Fig. 3 Shown movement locus S.Wherein, the unmanned plane maximum desired travel speed refers to manage it under the current state of the unmanned plane The maximal rate sailed, the maximal rate change with the electric quantity change of the unmanned plane.
As one embodiment of the present of invention, the search and rescue information includes obstacle information or rescue target information, by Unmanned plane monomer 210 in the unmanned aerial vehicle group is obtained.
The structured flowchart of unmanned plane monomer 210 as described in being shown Fig. 4, the unmanned plane monomer 210 include sonar information Acquisition module 211, control process module 212 and drive module 213;
Specifically, the sonar information acquisition module includes sonar transmitter, sonar receiver, the control process module 212 control the sonar information acquisition module to carry out sonar contact by the drive module 213, obtain the search and rescue information;
The sound wave letter for the object reflection that the sonar information acquisition module 211 is used to gather around the unmanned plane monomer Number, and the acoustic signals are carried out with the sonar characteristic signal that processing obtains the object, send to the control process module 212;
Specifically, when the sonar machine receives the acoustic signals of the object reflection around the unmanned plane monomer, to institute State acoustic signals to be sampled and quantified, obtain sound wave data signal, then sonar enhancing, sound are carried out to the sound wave data signal Segmentation, edge extracting, sonar restore, and obtain the sonar characteristic signal of the object;Wherein, the sonar strengthens in sound After image digitazation, carry out suppressing noise improvement picture quality;The sonar is split for entering to the sonar image information The region segmentations such as row target area, background area, shadow region;The edge extracting is used to enter the edge feature in the sonar image Row extraction, including the edge extracting of irregular curve and linear edge extraction;The sonar is restored for improving sonar image Deformation and skew;After above-mentioned steps are handled, you can obtain the sound for the object for being easy to the control process module 212 to handle Characteristic signal.
The control process module 212 is used to obtain obstacle information or rescue target according to the sonar characteristic signal Information, and the obstacle information or rescue target information are sent to the unmanned aerial vehicle group by CAN communication agreement Main unmanned plane.
As an embodiment, the control process module 212 realizes different search targets using template matching method Identification, so as to obtain obstacle information or rescue target information according to the sonar characteristic signal;Wherein, the barrier and The recognition template of the rescue target is stored in the memory of the control process module 212.
As a kind of embodiment, the control process module 212 can be processor, and the processor can be a kind of collection Into circuit chip, there is signal handling capacity.Above-mentioned processor can be at general processor, including central processing unit, network Manage device etc.;It can also be digital signal processor (DSP), application specific integrated circuit (ASIC), ready-made or other FPGAs Device, discrete gate or transistor logic, discrete hardware components.It can realize or perform in the embodiment of the present application Disclosed each method, step and logic diagram.General processor can be microprocessor or the processor can also be any Conventional processor etc..In the present embodiment, the control process module 212 is programmable gate array (FPGA), wherein, FPGA Chip is ALTERA CYCLONE IV 4CE115.
The main unmanned plane 220 is used to adjust the motion control according to the obstacle information or rescue target information Instruction.
Specifically, when the control process module 212 of the unmanned plane monomer 210 gets the obstacle information, institute Stating control process module 212 controls the sonar machine of the sonar information acquisition module not stop paying out sound, the distance of interpretation barrier;And When running into larger barrier, inform that the main unmanned plane adjusts the motion control instruction.For example, the larger barrier is When glacier, island, submerged reef, inform that the main unmanned plane updates the motion control instruction, avoid the larger barrier, i.e. Motion control instruction after renewal is sent to the unmanned plane monomer by main unmanned plane, changes nobody in the unmanned aerial vehicle group The mass motion direction of machine monomer, until getting around the barrier, continue to search and rescue.
As an embodiment, as shown in figure 4, the unmanned plane monomer 210 also includes colliding automatic cancellation module 214, for detecting whether colliding, and collision alarm is sent to the control process module 212 when colliding, by institute State control process module 212 and control the unmanned plane monomer autonomous avoidance.The automatic cancellation module 214 of collision is using ground Magnetic is sensor-type automatic except device MAG3110, including angle calculation unit is touched, and the angle calculation unit is used to detect the unmanned plane Monomer angular speed change, if the angular speed of the unmanned plane monomer has large change in a short time, confirm it is described nobody Collided between machine monomer, the direction that the angle calculation unit is additionally operable to be changed according to the angular speed confirms collision hair Raw direction so that the unmanned plane monomer carries out autonomous according to the collision course, eliminates collision.
As an embodiment, when the control process module 212 of the unmanned plane monomer 210 gets the rescue mesh When marking information, the main unmanned plane 220 to the unmanned aerial vehicle group is sent by CAN communication agreement;The main unmanned plane 220 is true After recognizing the rescue target information, notice Surveillance center 100 implements rescue to the rescue target, and controls in unmanned aerial vehicle group Unmanned plane monomer intercepts the rescue target, until the rescue target is rescued.
The main unmanned plane 210, it is additionally operable to obtain the search and rescue information of other unmanned aerial vehicle groups by electromagnetic induction.Wherein, institute State other unmanned aerial vehicle groups and refer to unmanned aerial vehicle group in the communication context of main unmanned plane 210.
Specifically, as shown in Figure 4 and Figure 5, the unmanned plane monomer 210 includes electromagnetic induction communication module 215, for institute State the communication between unmanned aerial vehicle group.Between the unmanned aerial vehicle group by the electromagnetic induction communication module can realize 50m it is deep or The communication of 500m radiuses, solves the problems, such as wireless communication signals rapid decay in the seawater in the prior art.
It should be noted that due to containing abundant electrolyte in seawater, the decay of electric field in the seawater is larger, and magnetic field Decay it is relatively small.Therefore, electromagnetic induction communication module 215 of the invention mainly by the magnetic field carry out unmanned aerial vehicle group it Between information exchange.Wherein, as shown in figure 5, the magnetic field is produced by flowing through coil L1 electric current, described in the coil L2 receptions Coil L1 magnetic strength induction signal, carry out the information exchange between unmanned aerial vehicle group.Especially, the electric current is big more than setting value Electric current, the voltage for flowing through the coil L1 is low-voltage, so that the coil L1 can produce larger magnetic field and less electricity .
Specifically, the electromagnetic induction communication module 215 includes CAN control unit, driver element, electromagentic resonance hair Penetrate unit and electromagentic resonance receiving unit;The control process module 212 of the unmanned plane monomer 210 is carried out with CAN agreement Information encodes, then drives the electromagentic resonance transmitter unit and electromagentic resonance receiving unit to carry out electromagnetism by the driver element The transmitting and reception of ripple, realize the interaction of search and rescue information between unmanned aerial vehicle group.
As a kind of embodiment, the unmanned aerial vehicle group 200 is independently of the Surveillance center 100, by the main unmanned plane Motion control instruction is sent by unmanned plane monomer of the bus protocol into the unmanned aerial vehicle group, and from the unmanned plane monomer Obtain and search and rescue information;The main unmanned plane also obtains the search and rescue information of other unmanned aerial vehicle groups by electromagnetic induction.
It should be noted that the main unmanned plane is sent by unmanned plane monomer of the bus protocol into the unmanned aerial vehicle group Motion control instruction, including the control unmanned plane monomer are moved by the movement locus specified, and obtain searching in moving region Rescue information.For example, as shown in Fig. 2 the main unmanned plane receives the search and rescue region of the square area in the upper right corner described above During the distribution instruction of domain, control that the unmanned plane monomer 210 in the unmanned aerial vehicle group is in one line, and shape is into a line, along middle arrow institute Show direction, approached to the basic point G, complete the search and rescue of search and rescue region corresponding to the search and rescue region distribution instruction, obtain corresponding Search and rescue information.
Specifically, due to the electromagnetic induction communication module 215 of the unmanned plane monomer can realize the unmanned aerial vehicle group it Between communication, therefore, in the case of no Surveillance center 100, remained between the unmanned aerial vehicle group by the electromagnetic induction Communication module 215 carries out information exchange, implements rescue at sea.For example, when the Surveillance center is in malfunction, only need by The unmanned plane monomer of the unmanned aerial vehicle group throws to the marine site for needing to carry out maritime search and rescue, the unmanned plane monomer of the unmanned aerial vehicle group 210 by the Sonar Signal acquisition module 211 and the control process module 212 according to obtaining obstacle information or rescue Target information, and send to the main unmanned plane in the unmanned aerial vehicle group, when the main unmanned plane 220 is according to the rescue target letter When breath confirms that the unmanned plane monomer 210 searches rescue target, on the one hand by controlling the unmanned plane monomer in unmanned aerial vehicle group to block The rescue target is cut, until the rescue target is rescued.On the other hand, the unmanned plane monomer in the unmanned aerial vehicle group When rescue task is heavier, other unmanned aerial vehicle groups are also notified by the electromagnetic induction communication module 215, to the rescue mesh Mark implements rescue so that it is marine to remain to completion in the case of the search and rescue instruction of no Surveillance center for the unmanned aerial vehicle group Rescue.This rescue mode, the rescue of fast speed can be realized, and intervened without Surveillance center.
Specifically, the search and rescue information includes search and rescue region information.During the unmanned aerial vehicle group 200 is searched and rescued, Influenceed by the multi-party factor such as ocean current and wind direction, it is possible to which the search and rescue path for the unmanned aerial vehicle group occur drifts about so that The unmanned aerial vehicle group is actual to search and rescue covered search and rescue region compared to search and rescue region corresponding to search and rescue region distribution instruction Deviation be present, cause the overlapping of search and rescue region occur or omit, therefore, the main unmanned plane in the unmanned aerial vehicle group is additionally operable to lead to Cross the search and rescue information that electromagnetic induction obtains other unmanned aerial vehicle groups.
As an embodiment, the main unmanned plane of the unmanned aerial vehicle group is by electromagnetic induction to other unmanned aerial vehicle group cycles Property transmission search and rescue region confirmation request, the search and rescue region confirmation request be used for interact search and rescue region information.That is, During search and rescue, the main unmanned plane of the unmanned aerial vehicle group is with the main unmanned plane of other unmanned aerial vehicle groups by periodically sending search and rescue Confirmation request so that search and rescue region information can be interacted between each other.So as to avoiding because of the movement warp of the unmanned aerial vehicle group and Cause to occur the overlapping of search and rescue region or omit, with the search and rescue region all standing of realization, improve the success rate of search and rescue.
It should be noted that the search and rescue region information includes the search and rescue region scope and not that unmanned aerial vehicle group has been completed to search and rescue Complete the search and rescue region scope searched and rescued, and the current location information of the unmanned aerial vehicle group;The main unmanned plane of the unmanned aerial vehicle group After carrying out search and rescue region information exchange, the main unmanned plane between the unmanned aerial vehicle group is according to the search and rescue region for having completed to search and rescue Scope, search and rescue of the current location information of the search and rescue region scope searched and rescued and the unmanned aerial vehicle group to the unmanned aerial vehicle group are not completed Regional extent is coordinated and distributed.
For example, covered search and rescue region is searched and rescued compared to search and rescue region distribution instruction pair when unmanned aerial vehicle group A is actual When the search and rescue region answered has deviation, the search and rescue region scope a that the unmanned aerial vehicle group A has completed to search and rescue is possible to partly cover The search and rescue region scope b of the unfinished search and rescue of the unmanned aerial vehicle group B, i.e., described search and rescue region scope a and search and rescue region scope b are deposited Occuring simultaneously, now, after the unmanned aerial vehicle group A and unmanned aerial vehicle group B carries out search and rescue region information exchange, the unmanned aerial vehicle group B Main unmanned plane will update the search and rescue region scope b of the unfinished search and rescue, remove the search and rescue region scope a and search and rescue region Scope b common factor part, meanwhile, the main unmanned plane of the unmanned aerial vehicle group B is additionally operable to the current location according to the unmanned aerial vehicle group A The search and rescue region scope b of unfinished search and rescue after information, and the renewal, by the search and rescue of the unfinished search and rescue after the renewal The search and rescue region scope b ' closed in regional extent b with the current location of the unmanned aerial vehicle group A distributes to the unmanned aerial vehicle group A.
Likewise, the unmanned aerial vehicle group B completed search and rescue search and rescue region scope c be possible to part cover it is described nobody The search and rescue region scope d of group of planes A unfinished search and rescue, i.e., described search and rescue region scope c and search and rescue region scope d, which exist, to occur simultaneously, Now, after the unmanned aerial vehicle group B and the unmanned aerial vehicle group A carry out search and rescue region information exchange, the master of the unmanned aerial vehicle group A nobody Machine will update the search and rescue region scope d of the unfinished search and rescue, remove the search and rescue region scope c and search and rescue region scope d's Common factor part, meanwhile, the main unmanned plane of the unmanned aerial vehicle group A is additionally operable to the current location information according to the unmanned aerial vehicle group B, with And the search and rescue region scope d of the unfinished search and rescue after the renewal, by the search and rescue region model of the unfinished search and rescue after the renewal Enclose the search and rescue region scope d ' closed in d with the current location of the unmanned aerial vehicle group B and distribute to the unmanned aerial vehicle group B, so as to real The covering of existing efficient search and rescue region.
As an embodiment, the electromagnetic induction module of the unmanned plane monomer is additionally operable to nobody in unmanned aerial vehicle group Machine monomer carries out Distance positioning, and is located distance and sends the sonar for the unmanned plane monomer, correcting the unmanned plane monomer Signal acquisition module is adjusted the distance the deviation of positioning.
For example, include in unmanned aerial vehicle group unmanned plane monomer m and unmanned plane monomer n, the unmanned plane monomer m to it is described nobody Machine monomer n sends electromagnetic induction signal, and the distance between the unmanned plane monomer m and described unmanned plane monomer n is judged, And the distance between the unmanned plane monomer m and the unmanned plane monomer n z are sent to the unmanned plane monomer n, it is described nobody Machine monomer n Sonar Signal acquisition module judged the unmanned plane monomer n and the unmanned plane monomer m distance, institute The Sonar Signal acquisition module for stating unmanned plane monomer n is to the unmanned plane monomer n and unmanned plane monomer m distances judged Z ', if the z is not equal to z ', then it represents that the judgement that the Sonar Signal acquisition module of the unmanned plane monomer n is adjusted the distance, which exists, to be missed Difference, then the unmanned plane monomer n is according to the distance z, and by calling Sonar Signal described in geometry computational algorithm i.e. recoverable Acquisition module is adjusted the distance the error of judgement.
As an embodiment, the Surveillance center obtains the positional information of the main unmanned plane in real time.
Specifically, during the unmanned aerial vehicle group is searched and rescued, the Surveillance center is in order to the unmanned plane Group carries out Real-Time Scheduling, need to carry out information exchange with the unmanned aerial vehicle group, it is preferable that the Surveillance center of the invention passes through nothing Line communication mode carries out information exchange with the main unmanned plane, and the communication includes microwave communication and satellite communication. Because the present invention is using unmanned aerial vehicle group as SAR Unit, therefore, the Surveillance center need to only be carried out with the main unmanned plane of unmanned aerial vehicle group Information exchange, you can realize the communication between the Surveillance center and the unmanned aerial vehicle group.
Wherein, the main unmanned plane 220 of the unmanned aerial vehicle group notifies the Surveillance center 100 to implement to rescue to the rescue target When helping, the Surveillance center 100 obtains the positional information of the main unmanned plane, and signal an alert, notifies rescue personnel To it is described rescue target implement rescue, on the other hand, the unmanned aerial vehicle group find it is multiple rescue targets or rescue task amount compared with When big, assistance instruction is sent to other unmanned aerial vehicle groups, the unmanned aerial vehicle group is implemented to help, realized to the real-time of the unmanned aerial vehicle group Scheduling.
Preferably, at the end of rescue, the Surveillance center 100 is formulated by obtaining the real time position of the unmanned aerial vehicle group Return route, realize that the disjunctor of the unmanned aerial vehicle group makes a return voyage, accelerate the speed of making a return voyage of the unmanned aerial vehicle group, while further reduce The probability that the rescue aid is lost.
As a kind of embodiment, the main unmanned plane 220 of the unmanned aerial vehicle group is additionally operable to other unmanned aerial vehicle groups periodically Transmission hello request, the hello request is used to mutually confirm the state of respective unmanned aerial vehicle group;If it was found that there is unmanned aerial vehicle group mistake Connection, then lost contact signal is sent to Surveillance center, and notify the main unmanned plane of other unmanned aerial vehicle groups, undertake the unmanned aerial vehicle group of the lost contact Search and rescue task.
In addition, when the main unmanned plane of unmanned aerial vehicle group is due to equipment fault, when can not be communicated with Surveillance center, this nobody The main unmanned plane of a group of planes can be by traveling through the main unmanned plane of the unmanned aerial vehicle group, until the unmanned function of master of some unmanned aerial vehicle group It is enough that communication request is sent to Surveillance center, so as to realize relay communication.When the navigation work(of the main unmanned plane of some unmanned aerial vehicle group When can fail, the navigation information that can be obtained by periodicity between unmanned aerial vehicle group realizes navigation, and then reduces rescue aid and lose The probability of mistake.
Preferably, the unmanned plane monomer also has broken string emergency module.When a unmanned plane list of the unmanned aerial vehicle group When body or multiple unmanned plane monomer lost contacts, the broken string emergency module of the unmanned plane monomer of the lost contact controls the unmanned plane monomer Automatic floating goes out sea, sends emergency request, waits for rescue.
Fig. 6 shows that the present invention implements a kind of implementation process block diagram of the communication means of the rescue at sea equipment provided, bag Include:
S401:Motion control instruction is sent by unmanned plane monomer of the bus protocol into the unmanned aerial vehicle group, and from institute State to obtain on unmanned plane monomer and search and rescue information;
S402:The search and rescue information of other unmanned aerial vehicle groups is obtained by electromagnetic induction.
Further, as shown in fig. 7, also including step S400 before step S401:Receive using the unmanned aerial vehicle group as The search and rescue instruction that unit is sent;Motion control is sent according to the unmanned plane monomer for searching and rescuing instruction into the unmanned aerial vehicle group to refer to Order, and obtained from the unmanned plane monomer and search and rescue information.
Wherein, the search and rescue information that obtained from the unmanned plane monomer includes:Gather around the unmanned plane monomer The acoustic signals of object reflection, and the acoustic signals are carried out with the sonar characteristic signal that processing obtains the object;According to institute State sonar characteristic signal and obtain obstacle information or rescue target information;According to the obstacle information or rescue target letter Breath adjusts the motion control instruction.
The search and rescue information that other unmanned aerial vehicle groups are obtained by electromagnetic induction includes:It is periodic to other unmanned aerial vehicle groups Search and rescue region confirmation request is sent, the search and rescue region confirmation request is used to interact search and rescue region information.
The search and rescue information that other unmanned aerial vehicle groups are obtained by electromagnetic induction includes:It is periodic to other unmanned aerial vehicle groups Hello request is sent, the hello request is used for the state for mutually confirming respective unmanned aerial vehicle group;If it was found that there is unmanned aerial vehicle group lost contact, Lost contact signal then is sent to Surveillance center, and notifies the main unmanned plane of other unmanned aerial vehicle groups, undertakes the unmanned aerial vehicle group of the lost contact Search and rescue task.
It should be noted that for convenience and simplicity of description, the specific work process of the method for foregoing description, it may be referred to Corresponding process in aforementioned means, is no longer excessively repeated herein.
It should be understood that the size of the sequence number of each step is not meant to the priority of execution sequence, each process in above-described embodiment Execution sequence should determine that the implementation process without tackling the embodiment of the present invention forms any limit with its function and internal logic It is fixed.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each work( Can unit, module division progress for example, in practical application, can be as needed and by above-mentioned function distribution by different Functional unit, module are completed, i.e., the internal structure of described device are divided into different functional units or module, more than completion The all or part of function of description.Each functional unit, module in embodiment can be integrated in a processing unit, also may be used To be that unit is individually physically present, can also two or more units it is integrated in a unit, it is above-mentioned integrated Unit can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.In addition, each function list Member, the specific name of module are not limited to the protection domain of the application also only to facilitate mutually distinguish.Said system The specific work process of middle unit, module, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and is not described in detail or remembers in some embodiment The part of load, it may refer to the associated description of other embodiments.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein Member and algorithm steps, it can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually Performed with hardware or software mode, application-specific and design constraint depending on technical scheme.Professional and technical personnel Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed The scope of the present invention.
In embodiment provided by the present invention, it should be understood that disclosed apparatus and method, others can be passed through Mode is realized.For example, device embodiment described above is only schematical, for example, the division of the module or unit, Only a kind of division of logic function, can there is an other dividing mode when actually realizing, such as multiple units or component can be with With reference to or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown or discussed Mutual coupling or direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING of device or unit or Communication connection, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs 's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If the integrated module/unit realized in the form of SFU software functional unit and as independent production marketing or In use, it can be stored in a computer read/write memory medium.Based on such understanding, the present invention realizes above-mentioned implementation All or part of flow in example method, by computer program the hardware of correlation can also be instructed to complete, described meter Calculation machine program can be stored in a computer-readable recording medium, and the computer program can be achieved when being executed by processor The step of stating each embodiment of the method..Wherein, the computer program includes computer program code, the computer program Code can be source code form, object identification code form, executable file or some intermediate forms etc..Computer-readable Jie Matter can include:Can carry any entity or device of the computer program code, recording medium, USB flash disk, mobile hard disk, Magnetic disc, CD, computer storage, read-only storage (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It is it should be noted that described The content that computer-readable medium includes can carry out appropriate increasing according to legislation in jurisdiction and the requirement of patent practice Subtract, such as in some jurisdictions, electric carrier signal and electricity are not included according to legislation and patent practice, computer-readable medium Believe signal.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations;Although with reference to foregoing reality Example is applied the present invention is described in detail, it will be understood by those within the art that:It still can be to foregoing each Technical scheme described in embodiment is modified, or carries out equivalent substitution to which part technical characteristic;And these are changed Or replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme, all should Within protection scope of the present invention.

Claims (10)

1. a kind of communication system of rescue at sea equipment, it is characterised in that including the unmanned plane by multiple unmanned plane monomer compositions Group, the unmanned plane monomer in the unmanned aerial vehicle group is connected by optical cable, and is used as master using unmanned plane monomer one of them described Unmanned plane;
The main unmanned plane, refer to for sending motion control by unmanned plane monomer of the bus protocol into the unmanned aerial vehicle group Order, and obtained from the unmanned plane monomer and search and rescue information;
The main unmanned plane, it is additionally operable to obtain the search and rescue information of other unmanned aerial vehicle groups by electromagnetic induction.
2. communication system as claimed in claim 1, it is characterised in that also including Surveillance center, the Surveillance center be used for The unmanned aerial vehicle group is that unit sends search and rescue instruction, the main unmanned plane, for referring to according to the search and rescue to the main unmanned plane Make the unmanned plane monomer into the unmanned aerial vehicle group send motion control instruction, and obtained from the unmanned plane monomer and search and rescue letter Breath.
3. communication system as claimed in claim 1, it is characterised in that the unmanned plane monomer includes sonar information acquisition module With control process module,
The acoustic signals for the object reflection that the sonar information acquisition module is used to gather around the unmanned plane monomer, and to institute State acoustic signals and carry out the sonar characteristic signal that processing obtains the object, send to the control process module;
The control process module is used to obtain obstacle information or rescue target information according to the sonar characteristic signal;
The main unmanned plane is used to adjust the motion control instruction according to the obstacle information or rescue target information.
4. communication system as claimed in claim 1, it is characterised in that the main unmanned plane of the unmanned aerial vehicle group is additionally operable to other Unmanned aerial vehicle group periodically sends search and rescue region confirmation request, and the search and rescue region confirmation request is used to interact search and rescue region letter Breath.
5. communication system as claimed in claim 1, it is characterised in that the main unmanned plane of the unmanned aerial vehicle group is additionally operable to other Unmanned aerial vehicle group periodically sends hello request, and the hello request is used for the state for mutually confirming respective unmanned aerial vehicle group;If hair Existing unmanned aerial vehicle group lost contact, then the main unmanned plane of other unmanned aerial vehicle groups is notified, undertake the search and rescue task of the unmanned aerial vehicle group of the lost contact.
A kind of 6. communication means of rescue at sea equipment, it is characterised in that including:
Motion control instruction is sent by unmanned plane monomer of the bus protocol into the unmanned aerial vehicle group, and from the unmanned plane list Obtained on body and search and rescue information;
The search and rescue information of other unmanned aerial vehicle groups is obtained by electromagnetic induction.
7. communication means as claimed in claim 6, it is characterised in that including:Reception is sent in units of the unmanned aerial vehicle group Search and rescue instruction;According to the unmanned plane monomer transmission motion control instruction for searching and rescuing instruction into the unmanned aerial vehicle group, and from Obtained on the unmanned plane monomer and search and rescue information.
8. communication means as claimed in claim 6, it is characterised in that described obtained from the unmanned plane monomer searches and rescues information Including:
The acoustic signals of the object reflection around the unmanned plane monomer are gathered, and the acoustic signals are carried out with processing and obtains institute State the sonar characteristic signal of object;
Obstacle information or rescue target information are obtained according to the sonar characteristic signal;
The motion control instruction is adjusted according to the obstacle information or rescue target information.
9. communication means as claimed in claim 6, it is characterised in that described that other unmanned planes are obtained by electromagnetic induction The search and rescue information of group includes:
Search and rescue region confirmation request is periodically sent to other unmanned aerial vehicle groups, the search and rescue region confirmation request is used for interaction and searched Rescue area information.
10. communication means as claimed in claim 6, it is characterised in that it is described by electromagnetic induction obtain other it is described nobody The search and rescue information of a group of planes includes:
Hello request is periodically sent to other unmanned aerial vehicle groups, the hello request is used to mutually confirm respective unmanned aerial vehicle group State;If it was found that there is unmanned aerial vehicle group lost contact, the main unmanned plane of other unmanned aerial vehicle groups is notified, undertakes the unmanned aerial vehicle group of the lost contact Search and rescue task.
CN201710714066.0A 2017-08-18 2017-08-18 Communication system and method for rescue equipment at sea Pending CN107450597A (en)

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Application publication date: 20171208