CN111083128A - Ship data processing method, device and equipment - Google Patents
Ship data processing method, device and equipment Download PDFInfo
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- CN111083128A CN111083128A CN201911239155.XA CN201911239155A CN111083128A CN 111083128 A CN111083128 A CN 111083128A CN 201911239155 A CN201911239155 A CN 201911239155A CN 111083128 A CN111083128 A CN 111083128A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
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Abstract
The embodiment of the invention provides a ship data processing method, a device and equipment, wherein the ship data processing method comprises the following steps: acquiring dynamic data of a ship, wherein the dynamic data of the ship comprises various types of ship data information, and the various types of ship data information are respectively packaged by adopting different protocols; and converting the dynamic data of the ship into data with a uniform format according to a preset format. The scheme of the invention ensures that the dynamic data of the ship is easy to analyze, can ensure that the data is distributed in real time, efficiently and flexibly, and can meet the application requirements of various distributed real-time communication.
Description
Technical Field
The present invention relates to the field of ship communication technologies, and in particular, to a method, an apparatus, and a device for processing ship data.
Background
The ship intellectualization has become the development trend of the ship transportation market, along with the development and application of modern scientific technologies such as computers, networks, communication, new energy, internet of things, big data, artificial intelligence and the like, electrical systems such as ship automation, control, communication navigation and the like are developing towards the directions of distribution, networks and intelligence, along with the rapid promotion of the ship intellectualization level, reliable, safe and economic data interaction between a ship and a ship bank is realized, a link of communication between the ship and the ship bank is constructed, and the function of obtaining remote data of the intelligent ship is supported, so that the ship is a necessary stage of the development of the intelligent ship.
The ship-side dynamic data includes various device or sensor data, as well as necessary information, command interactions required for a variety of applications or functions. The category, equipment source and possible data format of ship-side dynamic data are analyzed, and the ship-side dynamic data can be roughly divided into sensor data and intelligent application data, as shown in figure 1.
Sensor data: the existing navigation and navigation sensors and main and auxiliary equipment on the ship monitor and alarm, and other information such as position, state, fault, alarm and the like provided for ship navigation, and the information is the sensor input information of an intelligent ship system. For such data, it is necessary to obtain the original input data from various interfaces, and analyze the data according to the communication protocols, respectively, to obtain formatted data.
Intelligent application data: all intelligent applications or systems of the intelligent ship interact data through a network platform, and the interface form and the data communication protocol of the applications need to be unified.
The sharing degree of ship and shore information is severely limited by data heterogeneity. The data formats of different equipment at the ship end are different, as shown in table 1:
table 1 partial isomerism data
Different data format protocols are different, and in order to obtain all information, a data user needs to master the analysis modes of multiple protocols, so that the operation is difficult and the realization is difficult.
Disclosure of Invention
The invention provides a ship data processing method, a ship data processing device and ship data processing equipment. The problem that dynamic data are heterogeneous and difficult to resolve is solved.
To solve the above technical problem, an embodiment of the present invention provides the following solutions:
a method of processing ship data, the method comprising:
acquiring dynamic data of a ship, wherein the dynamic data of the ship comprises various types of ship data information, and the various types of ship data information are respectively packaged by adopting different protocols;
and converting the dynamic data of the ship into data with a uniform format according to a preset format.
Optionally, the multiple types of ship data information include at least one of: sensor data of the vessel; intelligent application data of the ship.
Optionally, the converting the dynamic data of the ship into data in a unified format according to a preset format includes: and converting the dynamic data of the ship into JSON data with a uniform format according to the format of the JavaScript object numbered notation JSON statement.
Optionally, the format of the JSON statement includes: and the key value and the data information corresponding to the key value.
Optionally, the ship data processing method further includes: and adding timestamp information to each JSON data to obtain JSON temporal data.
Optionally, the ship data processing method further includes: and distributing and transmitting the JSON temporal data according to a data distribution service DDS framework.
The embodiment of the invention also provides a ship data processing device, which comprises:
the acquisition module is used for acquiring dynamic data of a ship, wherein the dynamic data of the ship comprises various types of ship data information, and the various types of ship data information are respectively encapsulated by adopting different protocols;
and the processing module is used for converting the dynamic data of the ship into data in a unified format according to a preset format.
Optionally, the multiple types of ship data information include at least one of: sensor data of the vessel; intelligent application data of the ship.
Optionally, the processing module is configured to convert the dynamic data of the ship into JSON data in a unified format according to a format of a JavaScript object notation JSON statement.
Optionally, the format of the JSON statement includes: and the key value and the data information corresponding to the key value.
Optionally, the processing module is further configured to: and adding timestamp information to each JSON data to obtain JSON temporal data.
Optionally, the processing module is further configured to distribute and transmit the JSON temporal data according to a data distribution service DDS architecture.
An embodiment of the present invention further provides a ship data processing device, which includes the ship data processing device.
Embodiments of the present invention also provide a computer-readable storage medium including instructions that, when executed on a computer, cause the computer to perform the method as described above.
The scheme of the invention at least comprises the following beneficial effects:
according to the scheme, dynamic data of the ship are obtained, wherein the dynamic data of the ship comprise various types of ship data information, and the various types of ship data information are packaged by different protocols respectively; and converting the dynamic data of the ship into data with a uniform format according to a preset format. The problem that dynamic data are heterogeneous and difficult to resolve is solved. The advantages of simple JSON data format, easy reading and writing, small occupied bandwidth and high compatibility can be utilized, the DDS publishing/subscribing framework is convenient to transmit, and a data user can obtain complete ship data information with a uniform format.
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FIG. 1 is a schematic view of a type architecture for dynamic data on a ship;
FIG. 2 is a schematic flow chart of a ship data processing method according to an embodiment of the present invention;
fig. 3 is a schematic block diagram of a ship data processing apparatus according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 2, an embodiment of the present invention provides a method for processing ship data, including:
and step 22, converting the dynamic data of the ship into data with a uniform format according to a preset format.
The embodiment of the invention obtains the dynamic data of the ship, wherein the dynamic data of the ship comprises various types of ship data information, and the various types of ship data information are respectively encapsulated by adopting different protocols; and converting the dynamic data of the ship into data with a uniform format according to a preset format. The dynamic data of the ship is easy to analyze, the data can be distributed efficiently and flexibly in real time, and various distributed real-time communication application requirements can be met.
In an optional embodiment of the present invention, the plurality of types of ship data information include at least one of: sensor data of the vessel; intelligent application data of the ship. Such as position information data of the ship; intelligent cabin data of the vessel; energy efficiency data of the vessel, etc.
In an alternative embodiment of the present invention, step 22 may include: and converting the dynamic data of the ship into JSON data with a uniform format according to the format of the JavaScript object numbered notation JSON statement. In an optional embodiment of the present invention, the format of the JSON statement includes: and the key value and the data information corresponding to the key value.
In practical application, the data models are various, wherein JSON is easy to read and write and is easy to generate by machine analysis, and JSON is more practical and efficient in transmission efficiency, browser analysis and other aspects.
In an optional embodiment of the present invention, the method for processing ship data may further include:
and step 23, adding timestamp information to each JSON data to obtain JSON temporal data.
Generally, non-temporal JSON structural statements meet the requirements of most products, but cannot meet the requirements of dynamic change of ship data, so that the temporal JSON statements are adopted at present, the current time is added into each packet of data, the data occurrence time is recorded, and a data receiving party can conveniently perform historical data analysis, ship historical state analysis, acquisition of current ship running parameters and the like. In view of the fact that the ships can navigate in the whole world, the ships may be located in different sea areas and different time zones around the whole world, and time differences exist among the ships, in order to dynamically synchronize data time, determine specific data occurrence time and define time precedence relation generated by states or instructions, the time in the temporal JSON model can adopt UTC time provided by GPS equipment on the ships as a clock synchronization source.
From the syntax definition of JSON, a JSON statement is a dictionary composed of key-value pairs, where the value can also be a new JSON statement, so that the JSON data model allows any level of nesting, and the JSON specification defines seven types of values, namely string, number, array, object, true, false, and null. Take a simple JSON statement as an example:
{“username”:“mary”,
“age”:“20”,
“info”:{
“tel”:“1234566”,
“celltelphone”:788666}
}
in practical application, there are at least thousands of signal points on the smart ship, and these signals include navigation data, smart cabin data, energy efficiency data, and the like. Each signal in the signal list is unique, a unique KEY is designed for each signal in view of the fact that the structure of JSON is a dictionary of KEY Value combinations, and Value (data information) corresponding to the KEY is a numerical Value or a symbol after data acquisition and analysis according to a set protocol.
And carrying out unified protocol on all signals according to the signal list of the shipyard. Taking three typical topics in this project as an example, as shown in table 2, in the JSON statement of the IG11GPS topic, value "3856.8376" corresponding to KEY "1101001" is the latitude of the ship sent by GPS, "longitude" corresponding to "1101002" is the longitude of the ship, "1101008" to "1101011" respectively represent information of UTC time, day, month and year, "1101022" represents the heading of the ground relative to true north, and "1101025" is the speed of the ground. Partial information of the GPS is shown in the sentence, and a user can create a theme according to requirements and can also contain all GPS information.
TABLE 2 modeled JSON statements
In addition to the GPS, the smart cabin data, the energy efficiency data, and the like are in such forms that the raw data of the cabin mostly follows the Modbus RTU/TCP protocol, which is unintelligible, troublesome to analyze and prone to error, and IG22AMS1 in table 2 is the subject matter of the cabin and is a JSON statement modeled according to Modbus data of a real ship, wherein KEY is an alarm quantity from "310410" to "310438" and represents a part of alarm points in the cabin, as shown in table 3, KEY is a part of analog quantity of the cabin from "320001" to "320038", as shown in table 4, and each KEYValue corresponds to one cabin point.
On a real ship, the GPS sentences and the cabin data are all data protocols conforming to standards, and besides these standard protocols, part of the data is a user-defined protocol, and as long as the protocol itself can be filled by a user, and as long as the data format to be analyzed is met, in table 2, IG22MotionTran is a theme about a motion sensor, and the raw data itself is a string of hexadecimal numbers, and is combined into an integral value or a floating point value by a plurality of bytes, which requires the user to configure itself on WEB, and each KEY in the theme corresponds to several byte combinations, where KEY "M00001" corresponds to ship roll, "M00002" indicates ship pitch, "M00003" corresponds to ship bow, "M00004" indicates ship heave.
As can be seen from the above example, the unified protocol can represent signals of any protocol by using a unified data model, and combine data of each channel completely, so as to reduce the data transmission flow and facilitate reading and understanding.
TABLE 3IG22AMS1 alarm amount List
TABLE 4IG22AMS1 analog List
The interface for publishing data by the data modeling transmission software system is shown as follows, wherein a _ topicname in the interface parameters is the name of a publishing subject, a data pointer in the msg structure body points to a JSON statement after data modeling, length is the length of the JSON statement, and UTC _ time is UTC time of temporal JSON.
int HldDDS_publisgMsg(const char*a_topicname,const HldString&msg,DataTime utc_time)；
In an optional embodiment of the present invention, the method for processing ship data, based on the above steps 21 to 23, may further include:
and 24, distributing and transmitting the JSON temporal data according to a data distribution service DDS framework.
In practical application, Data Distribution Service (DDS) publishing/subscribing architecture can be adopted for Data Distribution Service, and DDS takes Data as a center and provides rich quality of Service (qos) policies, which can ensure real-time, efficient and flexible Data Distribution and meet various distributed real-time communication application requirements. The DDS is a protocol for exchanging Data through a network, is widely applied to distributed application and the like, constructs a concept of a global Data space based on a DCPS (Data-Central publishing-subscription) model, all Data objects exist in the space, nodes can access the Data objects through simple read-write operation, and provides a Data model independent of a platform, so that Data in a real-time distributed system can be efficiently and reliably published and subscribed.
According to the embodiment of the invention, the ship-side data is modeled by adopting the format of the temporal JSON, so that the problem that the dynamic data isomerism is difficult to analyze is solved, the advantages of simple JSON data format, easiness in reading and writing, small occupied bandwidth and high compatibility are utilized, the DDS publishing/subscribing framework is convenient to transmit, and a data user can obtain complete ship data information with a unified format.
As shown in fig. 3, an embodiment of the present invention further provides a ship data processing apparatus 30, including:
the acquiring module 31 is configured to acquire dynamic data of a ship, where the dynamic data of the ship includes multiple types of ship data information, and the multiple types of ship data information are encapsulated by different protocols respectively;
and the processing module 32 is configured to convert the dynamic data of the ship into data in a unified format according to a preset format.
Optionally, the multiple types of ship data information include at least one of: sensor data of the vessel; intelligent application data of the ship.
Optionally, the processing module 32 is configured to convert the dynamic data of the ship into JSON data in a uniform format according to a format of a JavaScript object notation JSON statement.
Optionally, the format of the JSON statement includes: and the key value and the data information corresponding to the key value.
Optionally, the processing module 32 is further configured to: and adding timestamp information to each JSON data to obtain JSON temporal data.
Optionally, the processing module 32 is further configured to distribute and transmit the JSON temporal data according to a data distribution service DDS architecture.
It should be noted that this embodiment is an apparatus corresponding to the method shown in fig. 2, and all the implementations in the embodiment shown in fig. 2 are applicable to this embodiment, and the same technical effects can be achieved.
An embodiment of the present invention further provides a ship data processing device, which includes the ship data processing device.
Embodiments of the present invention also provide a computer-readable storage medium including instructions that, when executed on a computer, cause the computer to perform the method as described above in fig. 1.
According to the embodiment of the invention, the ship-side data is modeled by adopting the format of the temporal JSON, so that the problem that the dynamic data isomerism is difficult to analyze is solved, the advantages of simple JSON data format, easiness in reading and writing, small occupied bandwidth and high compatibility are utilized, the DDS publishing/subscribing framework is convenient to transmit, and a data user can obtain complete ship data information with a unified format. The JSON data model provides an integrated, complete and uniform data format for an information acquirer, so that data receiving and subscribing are facilitated, integrity mainly refers to information of various devices integrated by data, consistency refers to conversion of data with different semantics into uniform expression through the data model, and the JSON data model is a premise of good data publishing and exchange between a ship-side local area network and a ship shore, and meanwhile, the processing process can be simplified, and the efficiency is improved. The ship-side dynamic multi-level and multi-dimensional heterogeneous data are modeled, the characteristics and the characteristics of the model are extracted, and the data are transformed according to the model.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed 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 can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
Furthermore, it is to be noted that in the device and method of the invention, it is obvious that the individual components or steps can be decomposed and/or recombined. These decompositions and/or recombinations are to be regarded as equivalents of the present invention. Also, the steps of performing the series of processes described above may naturally be performed chronologically in the order described, but need not necessarily be performed chronologically, and some steps may be performed in parallel or independently of each other. It will be understood by those skilled in the art that all or any of the steps or elements of the method and apparatus of the present invention may be implemented in any computing device (including processors, storage media, etc.) or network of computing devices, in hardware, firmware, software, or any combination thereof, which can be implemented by those skilled in the art using their basic programming skills after reading the description of the present invention.
Thus, the objects of the invention may also be achieved by running a program or a set of programs on any computing device. The computing device may be a general purpose device as is well known. The object of the invention is thus also achieved solely by providing a program product comprising program code for implementing the method or the apparatus. That is, such a program product also constitutes the present invention, and a storage medium storing such a program product also constitutes the present invention. It is to be understood that the storage medium may be any known storage medium or any storage medium developed in the future. It is further noted that in the apparatus and method of the present invention, it is apparent that each component or step can be decomposed and/or recombined. These decompositions and/or recombinations are to be regarded as equivalents of the present invention. Also, the steps of executing the series of processes described above may naturally be executed chronologically in the order described, but need not necessarily be executed chronologically. Some steps may be performed in parallel or independently of each other.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (14)
1. A method of processing ship data, the method comprising:
acquiring dynamic data of a ship, wherein the dynamic data of the ship comprises various types of ship data information, and the various types of ship data information are respectively packaged by adopting different protocols;
and converting the dynamic data of the ship into data with a uniform format according to a preset format.
2. The ship data processing method according to claim 1, wherein the plurality of types of ship data information include at least one of:
sensor data of the vessel;
intelligent application data of the ship.
3. The ship data processing method according to claim 1, wherein converting the dynamic data of the ship into data in a unified format according to a preset format comprises:
and converting the dynamic data of the ship into JSON data with a uniform format according to the format of the JavaScript object numbered notation JSON statement.
4. The ship data processing method according to claim 3, wherein the JSON statement format comprises: and the key value and the data information corresponding to the key value.
5. The ship data processing method according to claim 3 or 4, further comprising:
and adding timestamp information to each JSON data to obtain JSON temporal data.
6. The ship data processing method according to claim 5, further comprising:
and distributing and transmitting the JSON temporal data according to a data distribution service DDS framework.
7. An apparatus for processing ship data, comprising:
the acquisition module is used for acquiring dynamic data of a ship, wherein the dynamic data of the ship comprises various types of ship data information, and the various types of ship data information are respectively encapsulated by adopting different protocols;
and the processing module is used for converting the dynamic data of the ship into data in a unified format according to a preset format.
8. The ship data processing apparatus according to claim 7, wherein the plurality of types of ship data information include at least one of:
sensor data of the vessel;
intelligent application data of the ship.
9. The ship data processing device according to claim 7, wherein the processing module is configured to convert the dynamic data of the ship into JSON data in a unified format according to a format of a JavaScript object notation JSON statement.
10. The ship data processing device according to claim 9, wherein the JSON statement format includes: and the key value and the data information corresponding to the key value.
11. The ship data processing apparatus of claim 9 or 10, wherein the processing module is further configured to: and adding timestamp information to each JSON data to obtain JSON temporal data.
12. The ship data processing device according to claim 11, wherein the processing module is further configured to distribute and transmit the JSON temporal data according to a data distribution service DDS architecture.
13. A ship data processing apparatus comprising a ship data processing device according to any one of claims 7 to 12.
14. A computer-readable storage medium comprising instructions which, when executed on a computer, cause the computer to perform the method of any of claims 1 to 6.
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