CN117727207B - Method and system for discriminating navigation state of ship through curved river channel - Google Patents
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Abstract
The invention discloses a method and a system for judging navigation state of a ship through a curved river channel, wherein the method comprises the following steps: acquiring ship information of a ship and river channel information of a curved river channel, wherein the ship information comprises: the speed of the ship, the acceleration of the ship, the length of the ship, the mass of the ship and the propulsion of the ship, and the river channel information comprises: the water flow speed, the radius of the curved river channel and the water depth change rate; setting a first sailing state judging model and a second sailing state judging model, selecting the first sailing state judging model or the second sailing state judging model according to current weather data, and calculating a ship sailing state value; and judging the navigation state of the ship when the ship passes through the curved river channel according to the navigation state value of the ship.
Description
Technical Field
The invention belongs to the technical field of navigation state discrimination, and particularly relates to a method and a system for discriminating navigation states of ships through a curved river channel.
Background
The ship sailing state judgment refers to monitoring and judging the behavior and state of the ship at sea so as to ensure the safety, compliance and effectiveness of the ship.
Ships, other objects, weather conditions, etc. are typically detected and tracked by radar systems. Radar systems can provide information about the position, distance, speed and direction of the ship, helping to avoid collisions and to monitor marine traffic.
However, in the prior art, no technical scheme is available, and the navigation state of the ship during the navigation in the curved river channel can be accurately judged.
Disclosure of Invention
In order to solve the technical problems, the invention provides a method for judging the navigation state of a ship through a curved river channel, which comprises the following steps:
Acquiring ship information of a ship and river channel information of a curved river channel, wherein the ship information comprises: the speed of the ship, the acceleration of the ship, the length of the ship, the mass of the ship and the propulsion of the ship, and the river channel information comprises: the water flow speed, the radius of the curved river channel and the water depth change rate;
Setting a first sailing state judging model and a second sailing state judging model, selecting the first sailing state judging model or the second sailing state judging model according to current weather data, and calculating a ship sailing state value;
and judging the navigation state of the ship when the ship passes through the curved river channel according to the navigation state value of the ship.
Further, the first navigation state discrimination model includes:
,
Wherein, Is the ship sailing state value,/>For the speed of the vessel,/>Is the acceleration of the ship,/>For the water flow rate,For bending radius of river channel,/>For the length of the ship,/>Is the gradient coefficient of water depth,/>Is the cross section coefficient of the ship,/>Is the water depth change rate,/>Is the mass of the ship,/>Is the propulsion of the ship.
Further, the second navigation state discrimination model includes:
,
Wherein, Is the ship sailing state value,/>Is a nonlinear combination factor.
Further, the nonlinear combination factorComprising the following steps:
,
Wherein, For the speed of the vessel,/>For bending radius of river channel,/>For the first adjustment factor,/>For the second adjustment factor,/>Is the roll angle of the ship,/>For the third adjustment factor,/>For time,/>Is a fourth adjustment factor.
Further, the weather data is wind data, when the wind data is smaller than a preset threshold value, the first sailing state judging model is selected, and when the wind data is larger than or equal to the preset threshold value, the second sailing state judging model is selected;
And when the ship navigation state value is greater than or equal to the preset stability threshold value, sending out alarm information.
The invention also provides a system for judging the navigation state of the ship through the curved river channel, which comprises the following steps:
The data acquisition module is used for acquiring ship information of a ship and river channel information of a curved river channel, wherein the ship information comprises: the speed of the ship, the acceleration of the ship, the length of the ship, the mass of the ship and the propulsion of the ship, and the river channel information comprises: the water flow speed, the radius of the curved river channel and the water depth change rate;
The set model module is used for setting a first sailing state judging model and a second sailing state judging model, selecting the first sailing state judging model or the second sailing state judging model according to current weather data, and calculating a ship sailing state value;
And the judging module is used for judging the navigation state of the ship when the ship passes through the curved river channel according to the navigation state value of the ship.
Further, the first navigation state discrimination model includes:
,
Wherein, Is the ship sailing state value,/>For the speed of the vessel,/>Is the acceleration of the ship,/>For the water flow rate,For bending radius of river channel,/>For the length of the ship,/>Is the gradient coefficient of water depth,/>Is the cross section coefficient of the ship,/>Is the water depth change rate,/>Is the mass of the ship,/>Is the propulsion of the ship.
Further, the second navigation state discrimination model includes:
,
Wherein, Is the ship sailing state value,/>Is a nonlinear combination factor.
Further, the nonlinear combination factorComprising the following steps:
,
Wherein, For the speed of the vessel,/>For bending radius of river channel,/>For the first adjustment factor,/>For the second adjustment factor,/>Is the roll angle of the ship,/>For the third adjustment factor,/>For time,/>Is a fourth adjustment factor.
Further, the weather data is wind data, when the wind data is smaller than a preset threshold value, the first sailing state judging model is selected, and when the wind data is larger than or equal to the preset threshold value, the second sailing state judging model is selected;
And when the ship navigation state value is greater than or equal to the preset stability threshold value, sending out alarm information.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
The invention obtains ship information of a ship and river channel information of a curved river channel, wherein the ship information comprises: the speed of the ship, the acceleration of the ship, the length of the ship, the mass of the ship and the propulsion of the ship, and the river channel information comprises: the water flow speed, the radius of the curved river channel and the water depth change rate; setting a first sailing state judging model and a second sailing state judging model, selecting the first sailing state judging model or the second sailing state judging model according to current weather data, and calculating a ship sailing state value; and judging the navigation state of the ship when the ship passes through the curved river channel according to the navigation state value of the ship. According to the technical scheme, the navigation state of the ship in the bending river channel can be accurately judged, so that safety guidance is provided for a driver or a ship company.
Drawings
FIG. 1 is a flow chart of example 1;
Fig. 2 is a system configuration diagram of embodiment 2.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The method provided by the invention can be implemented in a terminal environment, wherein the terminal can comprise one or more of the following components: processor, storage medium, and display screen. Wherein the storage medium has stored therein at least one instruction that is loaded and executed by the processor to implement the method described in the embodiments below.
The processor may include one or more processing cores. The processor connects various parts within the overall terminal using various interfaces and lines, performs various functions of the terminal and processes data by executing or executing instructions, programs, code sets, or instruction sets stored in the storage medium, and invoking data stored in the storage medium.
The storage medium may include a random access Memory (Random Access Memory, RAM) or a Read-Only Memory (ROM). The storage medium may be used to store instructions, programs, code sets, or instructions.
The display screen is used for displaying a user interface of each application program.
All subscripts in the formula of the invention are only used for distinguishing parameters and have no practical meaning.
In addition, it will be appreciated by those skilled in the art that the structure of the terminal described above is not limiting and that the terminal may include more or fewer components, or may combine certain components, or a different arrangement of components. For example, the terminal further includes components such as a radio frequency circuit, an input unit, a sensor, an audio circuit, a power supply, and the like, which are not described herein.
Example 1
As shown in fig. 1, the present invention provides a method for determining a navigation state of a ship through a curved river, comprising:
Step 101, acquiring ship information of a ship and river channel information of a curved river channel, wherein the ship information comprises: the speed of the ship, the acceleration of the ship, the length of the ship, the mass of the ship and the propulsion of the ship, and the river channel information comprises: the water flow speed, the radius of the curved river channel and the water depth change rate;
102, setting a first sailing state judging model and a second sailing state judging model, selecting the first sailing state judging model or the second sailing state judging model according to current weather data, and calculating a ship sailing state value;
Specifically, the weather data is wind data, when the wind data is smaller than a preset threshold value, the first sailing state judging model is selected, and when the wind data is larger than or equal to the preset threshold value, the second sailing state judging model is selected;
specifically, the first navigation state discrimination model includes:
,
Wherein, Is the ship sailing state value,/>For the speed of the vessel,/>Is the acceleration of the ship,/>For the water flow rate,For bending radius of river channel,/>For the length of the ship,/>Is the gradient coefficient of water depth,/>Is the cross section coefficient of the ship,/>Is the water depth change rate,/>Is the mass of the ship,/>Is the propulsion of the ship.
Specifically, the second navigation state discrimination model includes:
,
Wherein, Is the ship sailing state value,/>Is a nonlinear combination factor.
In particular, the nonlinear combination factorComprising the following steps:
,
Wherein, For the speed of the vessel,/>For bending radius of river channel,/>For the first adjustment factor,/>For the second adjustment factor,/>Is the roll angle of the ship,/>For the third adjustment factor,/>For time,/>Is a fourth adjustment factor.
And step 103, judging the navigation state of the ship when the ship passes through the curved river channel according to the navigation state value of the ship.
Specifically, when the ship navigation state value is smaller than a preset stability threshold, the ship navigation state is stable navigation, and when the ship navigation state value is larger than or equal to the preset stability threshold, alarm information is sent out.
Example 2
As shown in fig. 2, the present invention further provides a system for determining a navigation state of a ship through a curved river, including:
The data acquisition module is used for acquiring ship information of a ship and river channel information of a curved river channel, wherein the ship information comprises: the speed of the ship, the acceleration of the ship, the length of the ship, the mass of the ship and the propulsion of the ship, and the river channel information comprises: the water flow speed, the radius of the curved river channel and the water depth change rate;
The set model module is used for setting a first sailing state judging model and a second sailing state judging model, selecting the first sailing state judging model or the second sailing state judging model according to current weather data, and calculating a ship sailing state value;
Specifically, the weather data is wind data, when the wind data is smaller than a preset threshold value, the first sailing state judging model is selected, and when the wind data is larger than or equal to the preset threshold value, the second sailing state judging model is selected;
specifically, the first navigation state discrimination model includes:
,
Wherein, Is the ship sailing state value,/>For the speed of the vessel,/>Is the acceleration of the ship,/>For the water flow rate,For bending radius of river channel,/>For the length of the ship,/>Is the gradient coefficient of water depth,/>Is the cross section coefficient of the ship,/>Is the water depth change rate,/>Is the mass of the ship,/>Is the propulsion of the ship.
Specifically, the second navigation state discrimination model includes:
,
Wherein, Is the ship sailing state value,/>Is a nonlinear combination factor.
In particular, the nonlinear combination factorComprising the following steps:
,
Wherein, For the speed of the vessel,/>For bending radius of river channel,/>For the first adjustment factor,/>For the second adjustment factor,/>Is the roll angle of the ship,/>For the third adjustment factor,/>For time,/>Is a fourth adjustment factor.
And the judging module is used for judging the navigation state of the ship when the ship passes through the curved river channel according to the navigation state value of the ship.
Specifically, when the ship navigation state value is smaller than a preset stability threshold, the ship navigation state is stable navigation, and when the ship navigation state value is larger than or equal to the preset stability threshold, alarm information is sent out.
Example 3
The embodiment of the invention also provides a storage medium which stores a plurality of instructions for realizing the method for judging the navigation state of the ship through the curved river channel.
Alternatively, in this embodiment, the storage medium may be located in any one of the computer terminals in the computer terminal group in the computer network, or in any one of the mobile terminals in the mobile terminal group.
Alternatively, in the present embodiment, the storage medium is configured to store program code for performing the steps of: step 101, acquiring ship information of a ship and river channel information of a curved river channel, wherein the ship information comprises: the speed of the ship, the acceleration of the ship, the length of the ship, the mass of the ship and the propulsion of the ship, and the river channel information comprises: the water flow speed, the radius of the curved river channel and the water depth change rate;
102, setting a first sailing state judging model and a second sailing state judging model, selecting the first sailing state judging model or the second sailing state judging model according to current weather data, and calculating a ship sailing state value;
Specifically, the weather data is wind data, when the wind data is smaller than a preset threshold value, the first sailing state judging model is selected, and when the wind data is larger than or equal to the preset threshold value, the second sailing state judging model is selected;
specifically, the first navigation state discrimination model includes:
,
Wherein, Is the ship sailing state value,/>For the speed of the vessel,/>Is the acceleration of the ship,/>For the water flow rate,For bending radius of river channel,/>For the length of the ship,/>Is the gradient coefficient of water depth,/>Is the cross section coefficient of the ship,/>Is the water depth change rate,/>Is the mass of the ship,/>Is the propulsion of the ship.
Specifically, the second navigation state discrimination model includes:
,
Wherein, Is the ship sailing state value,/>Is a nonlinear combination factor.
In particular, the nonlinear combination factorComprising the following steps:
,
Wherein, For the speed of the vessel,/>For bending radius of river channel,/>For the first adjustment factor,/>For the second adjustment factor,/>Is the roll angle of the ship,/>For the third adjustment factor,/>For time,/>Is a fourth adjustment factor.
And step 103, judging the navigation state of the ship when the ship passes through the curved river channel according to the navigation state value of the ship.
Specifically, when the ship navigation state value is smaller than a preset stability threshold, the ship navigation state is stable navigation, and when the ship navigation state value is larger than or equal to the preset stability threshold, alarm information is sent out.
Example 4
The embodiment of the invention also provides electronic equipment, which comprises a processor and a storage medium connected with the processor, wherein the storage medium stores a plurality of instructions, and the instructions can be loaded and executed by the processor so that the processor can execute a method for judging the navigation state of a ship through a curved river channel.
Specifically, the electronic device of the present embodiment may be a computer terminal, and the computer terminal may include: one or more processors, and a storage medium.
The storage medium may be used to store a software program and a module, for example, in the method for determining a ship navigation state through a curved river in the embodiment of the present invention, and the processor executes various functional applications and data processing by running the software program and the module stored in the storage medium, that is, implements the method for determining a ship navigation state through a curved river. The storage medium may include a high-speed random access storage medium, and may also include a non-volatile storage medium, such as one or more magnetic storage systems, flash memory, or other non-volatile solid-state storage medium. In some examples, the storage medium may further include a storage medium remotely located with respect to the processor, and the remote storage medium may be connected to the terminal through a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The processor may invoke the information stored in the storage medium and the application program via the transmission system to perform the steps of: step 101, acquiring ship information of a ship and river channel information of a curved river channel, wherein the ship information comprises: the speed of the ship, the acceleration of the ship, the length of the ship, the mass of the ship and the propulsion of the ship, and the river channel information comprises: the water flow speed, the radius of the curved river channel and the water depth change rate;
102, setting a first sailing state judging model and a second sailing state judging model, selecting the first sailing state judging model or the second sailing state judging model according to current weather data, and calculating a ship sailing state value;
Specifically, the weather data is wind data, when the wind data is smaller than a preset threshold value, the first sailing state judging model is selected, and when the wind data is larger than or equal to the preset threshold value, the second sailing state judging model is selected;
specifically, the first navigation state discrimination model includes:
,
Wherein, Is the ship sailing state value,/>For the speed of the vessel,/>Is the acceleration of the ship,/>For the water flow rate,For bending radius of river channel,/>For the length of the ship,/>Is the gradient coefficient of water depth,/>Is the cross section coefficient of the ship,/>Is the water depth change rate,/>Is the mass of the ship,/>Is the propulsion of the ship.
Specifically, the second navigation state discrimination model includes:
,
Wherein, Is the ship sailing state value,/>Is a nonlinear combination factor.
In particular, the nonlinear combination factorComprising the following steps:
,
Wherein, For the speed of the vessel,/>For bending radius of river channel,/>For the first adjustment factor,/>For the second adjustment factor,/>Is the roll angle of the ship,/>For the third adjustment factor,/>For time,/>Is a fourth adjustment factor.
And step 103, judging the navigation state of the ship when the ship passes through the curved river channel according to the navigation state value of the ship.
Specifically, when the ship navigation state value is smaller than a preset stability threshold, the ship navigation state is stable navigation, and when the ship navigation state value is larger than or equal to the preset stability threshold, alarm information is sent out.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
In the foregoing embodiments of the present invention, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
In the embodiments provided in the present invention, it should be understood that the disclosed technology may be implemented in other manners. The system embodiments described above are merely exemplary, and for example, the division of the units is merely a logic function division, and there may be another division manner in actual implementation, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied essentially or partly in the form of a software product or all or part of the technical solution, which is stored in a storage medium, and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a random-access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, etc., which can store program codes.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (2)
1. A method for judging the navigation state of a ship through a curved river channel is characterized by comprising the following steps:
Acquiring ship information of a ship and river channel information of a curved river channel, wherein the ship information comprises: the speed of the ship, the acceleration of the ship, the length of the ship, the mass of the ship and the propulsion of the ship, and the river channel information comprises: the water flow speed, the radius of the curved river channel and the water depth change rate;
Setting a first sailing state judging model and a second sailing state judging model, selecting the first sailing state judging model or the second sailing state judging model according to current weather data, and calculating a ship sailing state value, wherein the weather data are wind data, the first sailing state judging model is selected when the wind data are smaller than a preset threshold value, and the second sailing state judging model is selected when the wind data are larger than or equal to the preset threshold value;
The first navigation state discrimination model includes:
,
Wherein, Is the ship sailing state value,/>For the speed of the vessel,/>Is the acceleration of the ship,/>For the water flow velocity,/>For bending radius of river channel,/>For the length of the ship,/>Is the gradient coefficient of water depth,/>Is the cross section coefficient of the ship,/>Is the water depth change rate,/>Is the mass of the ship,/>Is the propulsion of the ship;
the second navigation state discrimination model includes:
,
Wherein, Is the ship sailing state value,/>Is a nonlinear combination factor;
the nonlinear combination factor Comprising the following steps:
,
Wherein, For the speed of the vessel,/>For bending radius of river channel,/>For the first adjustment factor,/>For the second adjustment factor,/>Is the roll angle of the ship,/>For the third adjustment factor,/>For time,/>Is a fourth adjustment factor;
And judging the sailing state of the ship when the ship passes through the curved river channel according to the ship sailing state value, wherein the ship sailing state is stable sailing when the ship sailing state value is smaller than a preset stability threshold value, and sending out alarm information when the ship sailing state value is greater than or equal to the preset stability threshold value.
2. A system for discriminating a navigation state of a ship through a curved river, comprising:
The data acquisition module is used for acquiring ship information of a ship and river channel information of a curved river channel, wherein the ship information comprises: the speed of the ship, the acceleration of the ship, the length of the ship, the mass of the ship and the propulsion of the ship, and the river channel information comprises: the water flow speed, the radius of the curved river channel and the water depth change rate;
The system comprises a set model module, a set model module and a set model module, wherein the set model module is used for setting a first sailing state judging model and a second sailing state judging model, selecting the first sailing state judging model or the second sailing state judging model according to current weather data, and calculating a ship sailing state value, wherein the weather data is wind data, the first sailing state judging model is selected when the wind data is smaller than a preset threshold, and the second sailing state judging model is selected when the wind data is larger than or equal to the preset threshold;
The first navigation state discrimination model includes:
,
Wherein, Is the ship sailing state value,/>For the speed of the vessel,/>Is the acceleration of the ship,/>For the water flow velocity,/>For bending radius of river channel,/>For the length of the ship,/>Is the gradient coefficient of water depth,/>Is the cross section coefficient of the ship,/>Is the water depth change rate,/>Is the mass of the ship,/>Is the propulsion of the ship;
the second navigation state discrimination model includes:
,
Wherein, Is the ship sailing state value,/>Is a nonlinear combination factor;
the nonlinear combination factor Comprising the following steps:
,
Wherein, For the speed of the vessel,/>For bending radius of river channel,/>For the first adjustment factor,/>For the second adjustment factor,/>Is the roll angle of the ship,/>For the third adjustment factor,/>For time,/>Is a fourth adjustment factor;
the judging module is used for judging the navigation state of the ship when the ship passes through the curved river channel according to the ship navigation state value, wherein when the ship navigation state value is smaller than a preset stability threshold value, the ship navigation state is stable navigation, and when the ship navigation state value is larger than or equal to the preset stability threshold value, alarm information is sent out.
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