CN112601214A - Undisturbed two-way communication system based on very high frequency communication - Google Patents
Undisturbed two-way communication system based on very high frequency communication Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
- G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/20—Instruments for performing navigational calculations
- G01C21/203—Specially adapted for sailing ships
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
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- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/46—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0473—Wireless resource allocation based on the type of the allocated resource the resource being transmission power
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
Abstract
The invention discloses a non-interference two-way communication system based on very high frequency communication, which comprises a three-dimensional model display module, a very high frequency communication module, an anti-collision test module, a seabed vibration early warning module and a main control module, wherein the three-dimensional model display module is used for displaying ship information running at sea in a three-dimensional model, the very high frequency communication module is used for communicating ships with ships and between ships and a ship bank by using the very high frequency communication, the frequency between the communication can be selected, the anti-collision test module is used for judging whether the ships deform at this time according to the comparison of the actual wind speed pressure of the ships at sea and different pressures of the ships during test, the seabed vibration early warning module is used for judging whether the ships are influenced according to the detected sea water fluctuation amplitude, the three-dimensional model display module is used for judging whether the ships run in a specified air route or not, if the current in adjacent vessels is large, the rapid offset of adjacent vessels can result in other vessels being at risk.
Description
Technical Field
The invention relates to the technical field of communication, in particular to an undisturbed bidirectional communication system based on very high frequency communication.
Background
The very high frequency communication system is an important system in mobile radio, its common range is near distance communication for civil aviation or maritime affairs, the communication mode is divided into image and data as media, and the information is transmitted to another party by using photoelectric signal, the very high level usually adopts amplitude modulation working mode, because the very high frequency communication uses high frequency radio wave, its effective working range is shorter, but because the high level communication can be amplitude modulation, the following problems usually occur:
1. people can utilize the very high frequency communication system to carry out entertainment activities such as listening to music and the like, so that when an emergency occurs, an occupied channel can be displayed, and emergency information cannot be transmitted;
2. people intentionally modulate the sound in the very high frequency communication system to the lowest or the highest degree, and normally play other signals, so that the information cannot be normally accepted
3. People always use the same power of the very high frequency communication system in different occasions, which wastes resources;
therefore, in the course of improving the very high frequency communication system by specifically taking a maritime example, in addition to the above-mentioned problems, when the specific pressure resistance of the ship body is met under different wind speed pressures, it cannot be known whether the emergency treatment of the ship will affect other ships.
Disclosure of Invention
The present invention is directed to a non-interference bidirectional communication system based on vhf communication, so as to solve the above-mentioned problems in the background art.
In order to solve the technical problems, the invention provides the following technical scheme: a non-interference two-way communication system based on very high frequency communication comprises a three-dimensional model display module, a very high frequency communication module, an anti-collision test module, a seabed vibration early warning module and a main control module, wherein the three-dimensional model display module is used for displaying ship information running at sea in a three-dimensional model so as to know the shipping information of each ship and judge whether the shipping of each ship can enter a dangerous area or not, so that the ship is dangerous, the very high frequency communication module is used for communicating the ships with the ship and the ship with the ship shore by using the very high frequency communication and selecting the frequency among the communication, so that the information can be preferentially communicated in an emergency situation without occupying a communication channel, the anti-collision test module is used for comparing the actual wind speed pressure of the ship at sea with different pressures of the ship during testing, judge this time ship can warp to strengthen the endurance of ship, make user's factor of safety increase, seabed vibrations early warning module is used for judging whether the ship can receive the influence according to the sea water fluctuation range that detects, thereby can in time react, and dangerous area is kept away from to help ship planning route, host system shakes the early warning module with three-dimensional model display module, very high frequency communication module, anticollision test module and sea ground respectively and is connected.
Preferably, the three-dimensional model display module comprises a dangerous area reminding unit, a ship posture changing unit and an emergency speed changing unit, wherein the dangerous area reminding unit is used for broadcasting and reminding the position of a marine submerged reef to prevent ships from being influenced by the submerged reef and prevent the ships from sinking into the seabed, the ship posture changing unit is used for monitoring the change of the position of a ship body in real time and judging whether the head position of the ships deviates from a set course line or not so as to ensure the safe running of the ships, the emergency changing unit is used for judging the position change of adjacent ships in real time, when the water flow speed between the adjacent ships is greater than the speeds of two sides of the ships, the adjacent ships touch other ships or not when moving in different directions, so that the dangerous condition is generated, the condition of the adjacent ships is sent to the main control module, and the safety of the adjacent ships is ensured and the adjacent ships cannot collide, the output end of the main control module is connected with the input ends of the dangerous area reminding unit, the ship posture changing unit and the emergency speed changing unit.
Preferably, the vhf communication module includes a frequency adjustable unit, a sequencing priority processing unit, an alarm unit and a channel mutual communication unit, the frequency monitoring unit is used for monitoring frequency change between vhf channels and judging whether a channel occupation situation occurs, the sequencing priority processing unit is used for sequencing emergency signals when detecting that the emergency signals occur so as to prevent a user from missing important signals, the alarm unit is used for giving an alarm when detecting that the user does not answer information sent by the emergency signals and sending the alarm information to the main control module so as to facilitate the user to warn the sending of the signals, the channel mutual communication unit is used for detecting the position of equipment using the vhf communication signals and automatically switching the power of the vhf communication according to the position of the equipment so as to prevent the user from occupying the communication channels, and the output end of the frequency adjustable unit is connected with the input ends of the sequencing priority processing unit, the alarm unit and the channel mutual communication unit, and the output end of the alarm unit is connected with the main control module.
The anti-collision test module comprises a wind speed pressure adjusting unit, an inclination angle deviation curve fitting unit, a pressure resistance value comparison unit and a user overhaul unit, the wind speed pressure adjusting unit is used for detecting different wind speed pressures borne by the ship, judging the endurance capacity of the ship under different wind speed pressures, the inclination angle deviation curve fitting unit is used for the deviation angles of the characteristic points of the ship under different wind speed pressures, the pressure resistance comparison unit is used for comparing the actual wind speed pressure values of different ships with the test result to judge whether the ship can only bear the pressure, when the pressure value is compared with the test result, and the actual pressure value is larger than the wind speed pressure value in the test, and the user maintenance unit is used for judging whether the ship needs to be maintained according to the deformation condition of the ship body by the wind speed pressure.
Preferably, the seabed vibrations early warning module includes fluctuation range unit and route early warning unit, the fluctuation range unit is used for when the fluctuation range of sea water surpasss the range default, thereby judges whether the fluctuation range of sea water has the trend that increases progressively in the time of predetermineeing whether to judge whether have the ship to receive the influence to guarantee the safety of ship, the route early warning unit is used for when the ship receives the influence, distributes the ship rescue route according to the ship quantity on the different sea areas, thereby guarantees the security of ship, and the output of fluctuation range unit is connected with the input of route early warning unit.
The method of the system comprises the following steps:
s1: using a three-dimensional model display module to judge whether the position of the bow deviates from the set course according to the posture curve of the ship, and meanwhile, judging whether the ship on one side can cause danger to the ships on other courses when the water flow speed between the ships is greater than the water flow speed on the two sides of the ship;
s2: judging whether a user occupies a channel privately or not according to frequency change between channels by using a very high frequency communication module, and automatically replacing the power of very high frequency communication according to the position of equipment using a very high frequency communication signal;
s3: using an anti-collision test module, comparing the actual wind speed pressure value of the ship with the tested wind speed pressure value, judging whether the actual wind speed pressure value is in a test range, and judging whether the ship needs to be overhauled according to the deformation condition corresponding to the ship body;
s4: and (3) judging whether a ship is influenced or not by using the seabed vibration early warning module according to the increasing trend of the fluctuation amplitude of the seawater in the preset time, and distributing the influenced ship to rescue routes.
In the step S1, it is detected that two ships run on adjacent lines in parallel, and the collision between two adjacent ships is caused because the water velocity between two adjacent ships is greater than the water velocity between two ships, so that the ship on one side usually runs towards the other side to prevent accidentsIs H { (a) { (a) }1,b1),(a2,b2) To prevent accidents, the ship is shifted to one side, and the coordinates of the intersection of the ship and the ship in the same direction are U ═ a3,b3) The coordinate of a ship is G ═ c (c) according to the ship's offset direction1,d1) The speed of the ship is Z, and the speed of the ship which is deviated to one side is changed into Z';
according to the formula:
the distance between the ship and the intersection of the ship in the same direction is M;
the distance between the ship in the same direction and the intersection is M';
the time the ship reaches the junction is:
the arrival and departure time of the ships in the same direction is as follows:
when T '> T, the same-direction ship will not collide with the ship, and when T' < T, the same-direction ship will collide with the ship.
In step S3, the set of wind speed pressure values to which the ship is subjected is D ═ D1,d2,d3...dmAccording to the detection result, the set of deformation values suffered by different ships is B ═ B1,b2,b3...bm}；
According to the formula:
in the above formula, there are one independent variable D and one dependent variable B, and the relation of the function is B ═ α Di+c；
P＝∑(f(di)-bi)2＝∑(adi+c-bi)2；
By the above formula: the wind speed pressure value that the ship received and the deformation value that the ship only corresponded and received can be judged, when the deformation value that the ship received surpassed deformation value default J, need overhaul the hull, when the deformation value that the ship received was less than deformation value default J, the hull still can continue work.
In step S4, the fluctuation range of the seawater is H, the time for which the seawater exceeds the warning line due to the increase of the fluctuation range is T according to the growth tendency of the seawater, and the coordinate set of different vessels in the two-dimensional plane model is Y { (x)1,y1),(x2,y2)...(xm,ym) -the maximum speed of the different vessels is R, -the port coordinates in the collection of the different vessels in the sea area are R ═ e, f;
according to the formula:
when S < T, the ship can return to the port before the fluctuation amplitude of the sea water is large, and when S > T, the ship cannot return to the port before the fluctuation amplitude of the sea water is large, and should stop nearby.
Compared with the prior art, the invention has the following beneficial effects:
1. the three-dimensional model display module is utilized to judge whether the position of the bow deviates from the set course according to the posture curve of the ship, so that whether the ship deviates from the original course is judged, and when the water flow speed between two ships is greater than the water flow speeds of two sides of the ship, the ship on one side can be moved in the opposite direction, so that whether the influence on the ships of other courses is caused, and the other ships have reacquisition accidents due to the fact that the driving speed is increased can be found out;
2. by utilizing the very high frequency communication module, whether a user is a private channel or not can be judged according to frequency change between channels, and power is automatically switched by using the positions of different channel devices, so that the power saving of a very high frequency communication system can be facilitated, and resources are saved;
3. utilize anticollision test module, can know the withstand voltage condition that the ship received under the different wind speed pressure, judge whether the wind speed pressure value that actually receives is in test range to whether need overhaul according to the deformation condition judgement hull of hull.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic diagram of the module composition of an undisturbed two-way communication system based on VHF communication according to the present invention;
FIG. 2 is a schematic diagram of a non-intrusive two-way communication system based on VHF communication according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Referring to fig. 1-2, the present invention provides the following technical solutions: a non-interference two-way communication system based on very high frequency communication comprises a three-dimensional model display module, a very high frequency communication module, an anti-collision test module, a sea bottom vibration early warning module and a main control module, wherein the three-dimensional model display module is used for displaying ship information running at sea in a three-dimensional model so as to know the shipping information of each ship and judge whether the ship can enter a dangerous area or not so as to cause the ship to be dangerous, the very high frequency communication module is used for communicating between the ship and between the ship and a ship shore by using the very high frequency communication and selecting the frequency between the communication, so that the information can be preferentially communicated under an emergency condition without occupying a communication channel, the anti-collision test module is used for comparing the actual wind speed pressure of the ship at sea with different pressures of the ship during testing, the submarine vibration early warning module is used for judging whether the ship is influenced according to the detected sea water fluctuation amplitude, so that a response can be made in time, the planned route of the ship is helped to be kept away from a dangerous area, and the main control module is respectively connected with the three-dimensional model display module, the very high frequency communication module, the anti-collision test module and the sea-ground vibration early warning module.
Preferably, the three-dimensional model display module comprises a dangerous area reminding unit, a ship posture changing unit and an emergency speed changing unit, wherein the dangerous area reminding unit is used for broadcasting and reminding the position of a marine submerged reef to prevent ships from being influenced by the submerged reef and prevent the ships from sinking into the seabed, the ship posture changing unit is used for monitoring the change of the position of a ship body in real time and judging whether the head position of the ships deviates from a set course line or not so as to ensure the safe running of the ships, the emergency changing unit is used for judging the position change of adjacent ships in real time, when the water flow speed between the adjacent ships is greater than the speeds of two sides of the ships, the adjacent ships touch other ships or not when moving in different directions, so that the dangerous condition is generated, the condition of the adjacent ships is sent to the main control module, and the safety of the adjacent ships is ensured and the adjacent ships cannot collide, the output end of the main control module is connected with the input ends of the dangerous area reminding unit, the ship posture changing unit and the emergency speed changing unit.
Preferably, the vhf communication module includes a frequency adjustable unit, a sequencing priority processing unit, an alarm unit and a channel mutual communication unit, the frequency monitoring unit is used for monitoring frequency change between vhf channels and judging whether a channel occupation situation occurs, the sequencing priority processing unit is used for sequencing emergency signals when detecting that the emergency signals occur so as to prevent a user from missing important signals, the alarm unit is used for giving an alarm when detecting that the user does not answer information sent by the emergency signals and sending the alarm information to the main control module so as to facilitate the user to warn the sending of the signals, the channel mutual communication unit is used for detecting the position of equipment using the vhf communication signals and automatically switching the power of the vhf communication according to the position of the equipment so as to prevent the user from occupying the communication channels, and the output end of the frequency adjustable unit is connected with the input ends of the sequencing priority processing unit, the alarm unit and the channel mutual communication unit, and the output end of the alarm unit is connected with the main control module.
The anti-collision test module comprises a wind speed pressure adjusting unit, an inclination angle deviation curve fitting unit, a pressure resistance value comparison unit and a user overhaul unit, the wind speed pressure adjusting unit is used for detecting different wind speed pressures borne by the ship, judging the endurance capacity of the ship under different wind speed pressures, the inclination angle deviation curve fitting unit is used for the deviation angles of the characteristic points of the ship under different wind speed pressures, the pressure resistance comparison unit is used for comparing the actual wind speed pressure values of different ships with the test result to judge whether the ship can only bear the pressure, when the pressure value is compared with the test result, and the actual pressure value is larger than the wind speed pressure value in the test, the user maintenance unit is used for judging whether the ship needs to be maintained according to the deformation condition of the ship body caused by the wind speed pressure;
the wind speed is adjusted by rising layer by layer, the deformation degree of the ship body is judged under the condition of detecting different wind speeds, and the bearing pressure of the ship body is updated and upgraded in real time.
Preferably, the seabed vibrations early warning module includes fluctuation range unit and route early warning unit, the fluctuation range unit is used for when the fluctuation range of sea water surpasss the range default, thereby judges whether the fluctuation range of sea water has the trend that increases progressively in the time of predetermineeing whether to judge whether have the ship to receive the influence to guarantee the safety of ship, the route early warning unit is used for when the ship receives the influence, distributes the ship rescue route according to the ship quantity on the different sea areas, thereby guarantees the security of ship, and the output of fluctuation range unit is connected with the input of route early warning unit.
The method of the system comprises the following steps:
s1: using a three-dimensional model display module to judge whether the position of the bow deviates from the set course according to the posture curve of the ship, and meanwhile, judging whether the ship on one side can cause danger to the ships on other courses when the water flow speed between the ships is greater than the water flow speed on the two sides of the ship;
s2: judging whether a user occupies a channel privately or not according to frequency change between channels by using a very high frequency communication module, and automatically replacing the power of very high frequency communication according to the position of equipment using a very high frequency communication signal;
s3: using an anti-collision test module, comparing the actual wind speed pressure value of the ship with the tested wind speed pressure value, judging whether the actual wind speed pressure value is in a test range, and judging whether the ship needs to be overhauled according to the deformation condition corresponding to the ship body;
s4: and (3) judging whether a ship is influenced or not by using the seabed vibration early warning module according to the increasing trend of the fluctuation amplitude of the seawater in the preset time, and distributing the influenced ship to rescue routes.
In step S1, it is detected that two ships travel in parallel on adjacent lines due to their phasesThe water velocity between the adjacent ships is larger than the water velocity of the two sides of the ship, the two adjacent ships collide, therefore, the ship on one side usually runs towards the other side to shift, and accidents are prevented1,b1),(a2,b2) To prevent accidents, the ship is shifted to one side, and the coordinates of the intersection of the ship and the ship in the same direction are U ═ a3,b3) The coordinate of a ship is G ═ c (c) according to the ship's offset direction1,d1) The speed of the ship is Z, and the speed of the ship which is deviated to one side is changed into Z';
according to the formula:
the distance between the ship and the intersection of the ship in the same direction is M;
the distance between the ship in the same direction and the intersection is M';
the time the ship reaches the junction is:
the arrival and departure time of the ships in the same direction is as follows:
when T '> T, the ship in the same direction can not collide with the ship, and when T' < T, the ship in the same direction can collide with the ship;
the Bernoulli principle is utilized, the general pressure at the place with high flow velocity is known to be low, so when two ships approach each other, the flow velocity of water in the middle of the two ships is high, the flow velocity of water outside the two ships is low, and pressure difference is formed on the ships.
In step S3, the set of wind speed pressure values to which the ship is subjected is D ═ D1,d2,d3...dmAccording to the detection result, the set of deformation values suffered by different ships is B ═ B1,b2,b3...bm}；
According to the formula:
in the above formula, there are one independent variable D and one dependent variable B, and the relation of the function is B ═ α Di+c；
P＝∑(f(di)-bi)2＝∑(adi+c-bi)2；
By the above formula: the wind speed pressure value that the ship received and the deformation value that the ship only corresponded and received can be judged, when the deformation value that the ship received surpassed deformation value default J, need overhaul the hull, when the deformation value that the ship received was less than deformation value default J, the hull still can continue work.
In step S4, the fluctuation range of the seawater is H, the time for which the seawater exceeds the warning line due to the increase of the fluctuation range is T according to the growth tendency of the seawater, and the coordinate set of different vessels in the two-dimensional plane model is Y { (x)1,y1),(x2,y2)...(xm,ym) -the maximum speed of the different vessels is R, -the port coordinates in the collection of the different vessels in the sea area are R ═ e, f;
according to the formula:
when S < T, the ship can return to the port before the fluctuation amplitude of the sea water is large, and when S > T, the ship cannot return to the port before the fluctuation amplitude of the sea water is large, and should stop nearby.
Example 1: in step S1, it is detected that two ships travel in parallel on adjacent lines, and the current speed between the two adjacent ships is greater than the current speeds of both sides of the ship, so that the two adjacent ships collide with each other, and therefore, the ship on one side normally travels toward the other side and deviates, thereby preventing accidents1,b1),(a2,b2) In order to prevent accidents, the ship is shifted to one side and the coordinate of the intersection of the ship and the ship in the same direction is U (a) { (100,180), (200,180) }3,b3) (300,240) having a ship coordinate of G (c) according to the ship offset direction1,d1) The speed of the ship is Z60, and the speed of the ship which is deviated to one side is Z80;
according to the formula:
the distance between the ship and the intersection of the ship in the same direction is M;
the distance between the ship in the same direction and the intersection is M';
the time the ship reaches the junction is:
the arrival and departure time of the ships in the same direction is as follows:
according to the calculation, the following results are obtained: when T' is less than T, the ship and the ship in the same direction cannot collide with each other;
when T 'is more than or equal to T, the ship in the same direction can collide with the ship, and when T' is less than T, the ship in the same direction can not collide with the ship.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An undisturbed two-way communication system based on very high frequency communication, characterized in that: the system comprises a three-dimensional model display module, a very high frequency communication module, an anti-collision test module, a seabed vibration early warning module and a main control module, the three-dimensional model display module is used for displaying ship information running at sea in the three-dimensional model, the very high frequency communication module is used for communicating ships with each other and between ships and ships shore by using the very high frequency communication, and can select the frequency between the communication, the anti-collision test module is used for judging whether the ship deforms or not according to the comparison between the actual wind speed pressure of the ship on the sea and the different pressures of the ship during the test, the seabed vibration early warning module is used for judging whether the ship is influenced or not according to the detected fluctuation amplitude of the seawater, the main control module is respectively connected with the three-dimensional model display module, the very high frequency communication module, the anti-collision test module and the sea-ground vibration early warning module.
2. The system according to claim 1, wherein the system comprises: three-dimensional model display module includes that danger area reminds unit, boats and ships posture change unit and urgent speed change unit, danger area reminds the unit and is used for broadcasting and reminding the position of marine submerged reef, boats and ships posture change unit is used for the change of real time supervision hull position, judges whether the locomotive position of boats and ships can deviate the course line of settlement, urgent change unit is used for the position change of real time judgement adjacent boats and ships, and when the velocity of water flow between adjacent boats and ships is greater than the speed of ship both sides, other boats and ships are touched when adjacent boats and ships move toward different directions, cause the hazardous conditions to take place to send the situation of adjacent boats and give host system, host system's output and danger area remind the input of unit, boats and ships posture change unit and urgent speed change unit to be connected.
3. The system according to claim 1, wherein the system comprises: the very high frequency communication module comprises a frequency adjustable unit, a sequencing priority processing unit, an alarm unit and a channel mutual communication unit, the frequency monitoring unit is used for monitoring the frequency change among the very high frequency channels and judging whether the channel occupation situation occurs or not, the sequencing priority processing unit is used for when the emergency signal is detected to occur, sequencing the emergency signals, the alarm unit is used for giving an alarm when detecting that the user does not answer the information sent by the emergency signals, and sends the alarm information to the main control module, the channel mutual communication unit is used for detecting the position of the equipment using the very high frequency communication signal, and the output end of the frequency adjustable unit is connected with the input ends of the sequencing priority processing unit, the alarm unit and the channel mutual communication unit, and the output end of the alarm unit is connected with the main control module.
4. The system according to claim 1, wherein the system comprises: the anti-collision test module comprises a wind speed pressure adjusting unit, an inclination angle deviation curve fitting unit, a pressure resistance comparison unit and a user maintenance unit, wherein the wind speed pressure adjusting unit is used for detecting different wind speed pressures borne by a ship and judging the tolerance capability of the ship under different wind speed pressures, the inclination angle deviation curve fitting unit is used for detecting the deviation angles of all characteristic points of the ship under different wind speed pressures, the pressure resistance comparison unit is used for comparing the actual wind speed pressure values of different ships with test results and judging whether the ship can bear pressure only, when the actual borne pressure values are larger than the wind speed pressure values in the test and compared with the test results, the pressure value grades borne by the ship are changed, and the user maintenance unit is used for judging whether the ship needs maintenance or not according to the deformation condition of the ship body under the wind speed pressure, the output end of the wind speed pressure adjusting unit is connected with the input ends of the inclination angle deviation curve unit, the pressure resistance value comparison unit and the user overhauling unit.
5. The system according to claim 1, wherein the system comprises: the seabed vibration early warning module comprises a fluctuation amplitude unit and a route early warning unit, wherein the fluctuation amplitude unit is used for judging whether the fluctuation amplitude of the seawater has an increasing trend within preset time or not when the fluctuation amplitude of the seawater exceeds an amplitude preset value so as to judge whether ships are influenced, and therefore the safety of the ships is guaranteed.
6. The method of claim 1, wherein the method comprises the steps of: the method of the system comprises the following steps:
s1: using a three-dimensional model display module to judge whether the positions of the bow and the stern deviate from the set air route or not according to the posture curve of the ship, and meanwhile, judging whether the ship on one side moves in the opposite direction or not to cause danger to the ships on other air routes when the water flow speed between the ships is greater than the water flow speeds on the two sides of the ship;
s2: judging whether a user occupies a channel privately or not according to frequency change between channels by using a very high frequency communication module, and automatically replacing the power of very high frequency communication according to the position of equipment using a very high frequency communication signal;
s3: using an anti-collision test module, comparing the actual wind speed pressure value of the ship with the tested wind speed pressure value, judging whether the actual wind speed pressure value is in a test range, and judging whether the ship needs to be overhauled according to the deformation condition corresponding to the ship body;
s4: and (3) judging whether a ship is influenced or not by using the seabed vibration early warning module according to the increasing trend of the fluctuation amplitude of the seawater in the preset time, and distributing the influenced ship to rescue routes.
7. The VHF communication-based undisturbed duplex according to claim 6A method for communicating to a communication system, comprising: in step S1, the set of position coordinates of the bow and the stern of the detected original ship in the three-dimensional model is W { (x)1,y1),(x2,y2) And detecting that the coordinate sets of the bow and the stern of the current ship are Q { (a)1,b1),(a2,b2) Preset driving route of
According to the formula:
when in use
Or
When the ship deviates from the original navigation direction, the main control module receives the signal and inquires whether to change the driving direction by means of very high frequency communication, and when the signal deviates from the original navigation direction, the main control module sends a signal to the ship to change the driving direction
And (4) representing that the ship does not deviate from the original sailing direction, wherein F is the distance between the bow and the stern of the ship, and beta is the angle of the bow deviation.
8. The method of claim 6, wherein the method further comprises the step of: in said step S1, it is detected that there are two ships in parallel on adjacent routesWhen the ship runs, the current speed between the adjacent ships is larger than the current speeds of the two sides of the ship, so that the two adjacent ships collide, the ship on one side usually runs towards the other side to prevent accidents, and in the two-dimensional plane model, the position coordinate set of the central points of the two ships is H { (a)1,b1),(a2,b2) To prevent accidents, the ship is shifted to one side, and the coordinates of the intersection of the ship and the ship in the same direction are (a) ═ U ═ a3,b3) The coordinate of a ship is G ═ c (c) according to the ship's offset direction1,d1) The speed of the ship is Z, and the speed of the ship which is deviated to one side is changed into Z';
according to the formula:
the distance between the ship and the intersection of the ship in the same direction is M;
the distance between the ship in the same direction and the intersection is M';
the time the ship reaches the junction is:
the arrival and departure time of the ships in the same direction is as follows:
when T '> T, the same-direction ship will not collide with the ship, and when T' < T, the same-direction ship will collide with the ship.
9. The method of claim 6, wherein the method further comprises the step of: in step S3, the set of wind speed pressure values to which the ship is subjected is D ═ D1,d2,d3...dmAccording to the detection result, the set of deformation values suffered by different ships is B ═ B1,b2,b3...bm}；
According to the formula:
in the above formula, there are one independent variable D and one dependent variable B, and the relation of the function is B ═ α Di+c；
P＝∑(f(di)-bi)2＝∑(adi+c-bi)2；
By the above formula: the wind speed pressure value that the ship received and the deformation value that the ship only corresponded and received can be judged, when the deformation value that the ship received surpassed deformation value default J, need overhaul the hull, when the deformation value that the ship received was less than deformation value default J, the hull still can continue work.
10. The method of claim 6, wherein the method further comprises the step of: in step S4, the fluctuation range of the seawater is H, the time for which the seawater exceeds the warning line due to the increase of the fluctuation range is T according to the growth tendency of the seawater, and the coordinate set of different vessels in the two-dimensional plane model is Y { (x)1,y1),(x2,y2)...(xm,ym) -the maximum speed of the different vessels is R, -the port coordinates in the collection of the different vessels in the sea area are R ═ e, f;
according to the formula:
when S < T, the ship can return to the port before the fluctuation amplitude of the sea water is large, and when S > T, the ship cannot return to the port before the fluctuation amplitude of the sea water is large, and should stop nearby.
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