CN112927384B - Data transmission method and system for 3D digital sand table vehicle simulation - Google Patents
Data transmission method and system for 3D digital sand table vehicle simulation Download PDFInfo
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- CN112927384B CN112927384B CN202110041104.7A CN202110041104A CN112927384B CN 112927384 B CN112927384 B CN 112927384B CN 202110041104 A CN202110041104 A CN 202110041104A CN 112927384 B CN112927384 B CN 112927384B
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/008—Registering or indicating the working of vehicles communicating information to a remotely located station
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
- G07C5/085—Registering performance data using electronic data carriers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/55—Push-based network services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
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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
- H04L69/22—Parsing or analysis of headers
Abstract
A data transmission method for 3D digital sand table vehicle simulation comprises the following steps: the vehicle-mounted terminal collects actual vehicle running data according to a preset frequency and remotely sends the collected data to the background server; the background server stores and analyzes the received data and pushes the analyzed data to a kafka queue; the kafka queue temporarily stores the received data, and when the number of the data is detected to be larger than the temporarily stored data number threshold value of the kafka queue, the application program actively pushes the data of the vehicle-mounted terminal to the 3D digital sand table according to the preset frequency; and after the 3D digital sand table receives the vehicle-mounted terminal data, the vehicle-mounted terminal data are applied to a vehicle model on the 3D digital sand table, and the running condition of the vehicle is simulated really through the 3D digital sand table. The invention solves the problem that the running state of the vehicle cannot be presented in real time on the 3D digital sand table in the prior art, and also solves the problem that the vehicle simulation model is inconsistent with the real running condition due to the fact that the data sent by the vehicle-mounted terminal is too fast or too slow.
Description
Technical Field
The invention relates to the field of vehicle simulation, in particular to a data transmission method for 3D digital sand table vehicle simulation.
Background
The spatial basis of the 3D digital sand table is two-dimensional and three-dimensional scenes based on a GIS geographic information system, and different from the traditional solid sand table, the spatial scene of the digital sand table is not limited by the size of an area and has the characteristics of real-time updating, quick query and flexible marking.
The real-time simulation of the vehicle is to transmit the information of the vehicle in a real state to the vehicle model, so that the vehicle model can accelerate an accelerator, decelerate a brake and steer, and is matched with a 3D digital sand table, so that the moving vehicle model can give people the running feeling of a real map in the aspect of impression, and the visual experience is very good. However, in the prior art, vehicle running state information is generally collected first, and then the collected vehicle state information is sent to a 3D digital sand table, so that time difference between vehicle running state information collection and 3D digital sand table display is caused, and a problem that the vehicle running state cannot be presented in real time on the 3D digital sand table is caused.
Disclosure of Invention
In view of the above, the present invention has been made to provide a data transmission method and system for 3D digital sand table vehicle simulation that overcomes or at least partially solves the above problems.
In order to solve the technical problem, the embodiment of the application discloses the following technical scheme:
the invention discloses a data transmission method for 3D digital sand table vehicle simulation, which comprises the following steps:
the vehicle-mounted terminal collects vehicle actual operation data according to a preset frequency and remotely sends the collected vehicle actual operation data to the background server;
the background server stores actual vehicle running data sent by the vehicle-mounted terminal, analyzes the data into an available format according to a vehicle-mounted terminal data protocol, and pushes the analyzed data to a kafka queue;
the kafka queue temporarily stores the received data, and when the number of the data is detected to be larger than the temporarily stored data number threshold value of the kafka queue, the application program actively pushes the data of the vehicle-mounted terminal to the 3D digital sand table according to the preset frequency;
and after the 3D digital sand table receives the vehicle-mounted terminal data, the vehicle-mounted terminal data are applied to a vehicle model on the 3D digital sand table, and the running condition of the vehicle is simulated really through the 3D digital sand table.
Further, the vehicle-mounted terminal collects the actual operation data of the vehicle, and at least comprises the following steps: bus data of the vehicle, original CAN messages, running speed, advancing direction, acceleration, deceleration, longitude and latitude and altitude.
Further, the vehicle-mounted terminal collects the actual running data of the vehicle, and the collection frequency is 1 Hz.
Further, the threshold value of the number of pieces of data temporarily stored in the kafka queue is 100, and when the kafka queue is detected to contain 100 pieces of data, the application program transfers the terminal data to the 3D digital sand table at the frequency of 1 piece of data per second.
Further, the vehicle-mounted terminal remotely sends the acquired actual vehicle running data to the background server in a mobile network mode.
The invention also discloses a data transmission system for simulating the 3D digital sand table vehicle, which comprises the following components: the system comprises a vehicle-mounted terminal, a background server, a kafka queue and a 3D digital sand table; wherein:
the vehicle-mounted terminal is fixed on an actual running vehicle and used for acquiring actual running data of the vehicle according to a preset frequency and remotely sending the acquired actual running data of the vehicle to the background server;
the background server is remotely connected with the vehicle-mounted terminal through a mobile network, stores actual vehicle running data sent by the vehicle-mounted terminal, analyzes the data into an available format according to a vehicle-mounted terminal data protocol, and pushes the analyzed data to a kafka queue;
the kafka queue is used for temporarily storing the received data, and when the number of the data is detected to be larger than the temporarily stored data number threshold value of the kafka queue, the application program actively pushes the data of the vehicle-mounted terminal to the 3D digital sand table according to the preset frequency;
and the 3D digital sand table is used for applying the data of the vehicle-mounted terminal to the vehicle model on the 3D digital sand table after receiving the data of the vehicle-mounted terminal, and truly simulating the running condition of the vehicle through the 3D digital sand table.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
the invention discloses a data transmission method for 3D digital sand table vehicle simulation, which comprises the steps that a vehicle-mounted terminal collects vehicle actual operation data according to a preset frequency and remotely sends the collected vehicle actual operation data to a background server; the background server stores actual vehicle running data sent by the vehicle-mounted terminal, analyzes the data into an available format according to a vehicle-mounted terminal data protocol, and pushes the analyzed data to a kafka queue; the kafka queue temporarily stores the received data, and when the number of the data is detected to be larger than the temporarily stored data number threshold value of the kafka queue, the application program actively pushes the data of the vehicle-mounted terminal to the 3D digital sand table according to the preset frequency; and after the 3D digital sand table receives the vehicle-mounted terminal data, the vehicle-mounted terminal data are applied to a vehicle model on the 3D digital sand table, and the running condition of the vehicle is simulated really through the 3D digital sand table. The vehicle-mounted terminal and the background server are directly and remotely connected through the mobile network, so that the actual running data of the vehicle can be reflected on the 3D digital sand table in real time, the problem that the running state of the vehicle cannot be reflected on the 3D digital sand table in real time in the prior art is solved, moreover, the kafka queue is actively pushed to the 3D digital sand table, the data of the 3D digital sand table is stably received, and the problem that the vehicle simulation model is inconsistent with the real running condition due to too fast or too slow data is solved.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
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 principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart of a data transmission method for 3D digital sand table vehicle simulation in embodiment 1 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 disclosure to those skilled in the art.
In order to solve the problem that the running state of a vehicle cannot be reflected in real time on a 3D digital sand table in the prior art, the embodiment of the invention provides a data transmission method and a data transmission system for 3D digital sand table vehicle simulation.
Example 1
The embodiment discloses a data transmission method for 3D digital sand table vehicle simulation, as shown in fig. 1, including:
the vehicle-mounted terminal collects vehicle actual operation data according to a preset frequency and remotely sends the collected vehicle actual operation data to the background server.
In this embodiment, the vehicle-mounted terminal collects actual operation data of the vehicle, and at least includes: bus data of the vehicle, original CAN messages, running speed, advancing direction, acceleration, deceleration, longitude and latitude and altitude. Preferably, the vehicle-mounted terminal collects the actual running data of the vehicle, and the collection frequency is 1 Hz. And the vehicle-mounted terminal remotely sends the acquired actual vehicle running data to the background server in a mobile network mode.
The background server stores actual vehicle running data sent by the vehicle-mounted terminal, analyzes the data into an available format according to a vehicle-mounted terminal data protocol, and pushes the analyzed data to a kafka queue;
and the kafka queue temporarily stores the received data, and when the number of the data is detected to be larger than the temporarily stored data number threshold of the kafka queue, the application program actively pushes the data of the vehicle-mounted terminal to the 3D digital sand table according to the preset frequency.
In some preferred embodiments, the kafka queue temporarily stores the threshold number of data pieces as 100, and when the kafka queue is detected to contain 100 data pieces, the application program transfers the terminal data to the 3D digital sand table at a frequency of 1 data piece per second.
And after the 3D digital sand table receives the vehicle-mounted terminal data, the vehicle-mounted terminal data are applied to a vehicle model on the 3D digital sand table, and the running condition of the vehicle is simulated really through the 3D digital sand table.
In the embodiment, the condition of the vehicle on the real road can be visually observed through the 3D digital sand table, and the running state and the position information of the vehicle can be checked. The kafka queue is adopted to actively push the data to the 3D digital sand table, so that the data of the 3D digital sand table is stably received, and the problem that a vehicle simulation model is inconsistent with the real driving condition due to too fast or too slow data is solved.
The embodiment also discloses a data transmission system for 3D digital sand table vehicle simulation, comprising: the system comprises a vehicle-mounted terminal, a background server, a kafka queue and a 3D digital sand table; wherein:
the vehicle-mounted terminal is fixed on an actual running vehicle and used for acquiring actual running data of the vehicle according to a preset frequency and remotely sending the acquired actual running data of the vehicle to the background server;
the background server is remotely connected with the vehicle-mounted terminal through a mobile network, stores actual vehicle running data sent by the vehicle-mounted terminal, analyzes the data into an available format according to a vehicle-mounted terminal data protocol, and pushes the analyzed data to a kafka queue;
the kafka queue is used for temporarily storing the received data, and when the number of the data is detected to be larger than the temporarily stored data number threshold value of the kafka queue, the application program actively pushes the data of the vehicle-mounted terminal to the 3D digital sand table according to the preset frequency;
and the 3D digital sand table is used for applying the data of the vehicle-mounted terminal to the vehicle model on the 3D digital sand table after receiving the data of the vehicle-mounted terminal, and truly simulating the running condition of the vehicle through the 3D digital sand table.
According to the data transmission method and system for simulating the 3D digital sand table vehicle, the vehicle-mounted terminal collects the actual vehicle running data according to the preset frequency and remotely sends the collected actual vehicle running data to the background server; the background server stores actual vehicle running data sent by the vehicle-mounted terminal, analyzes the data into an available format according to a vehicle-mounted terminal data protocol, and pushes the analyzed data to a kafka queue; the kafka queue temporarily stores the received data, and when the number of the data is detected to be larger than the temporarily stored data number threshold value of the kafka queue, the application program actively pushes the data of the vehicle-mounted terminal to the 3D digital sand table according to the preset frequency; and after the 3D digital sand table receives the vehicle-mounted terminal data, the vehicle-mounted terminal data are applied to a vehicle model on the 3D digital sand table, and the running condition of the vehicle is simulated really through the 3D digital sand table. The vehicle-mounted terminal and the background server are directly and remotely connected through the mobile network, so that the actual running data of the vehicle can be reflected on the 3D digital sand table in real time, the problem that the running state of the vehicle cannot be improved in real time on the 3D digital sand table in the prior art is solved, the kafka queue is actively pushed to the 3D digital sand table, the data of the 3D digital sand table is stably received, and the problem that the vehicle simulation model is inconsistent with the real running condition due to too fast or too slow data is solved.
It should be understood that the specific order or hierarchy of steps in the processes disclosed is an example of exemplary approaches. Based upon design preferences, it is understood that the specific order or hierarchy of steps in the processes may be rearranged without departing from the scope of the present disclosure. The accompanying method claims present elements of the various steps in a sample order, and are not intended to be limited to the specific order or hierarchy presented.
In the foregoing detailed description, various features are grouped together in a single embodiment for the purpose of streamlining the disclosure. This method of disclosure is not to be interpreted as reflecting an intention that the claimed embodiments of the subject matter require more features than are expressly recited in each claim. Rather, as the following claims reflect, invention lies in less than all features of a single disclosed embodiment. Thus, the following claims are hereby expressly incorporated into the detailed description, with each claim standing on its own as a separate preferred embodiment of the invention.
Those of skill would further appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system. 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 disclosure.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an ASIC. The ASIC may reside in a user terminal. Of course, the processor and the storage medium may reside as discrete components in a user terminal.
For a software implementation, the techniques described herein may be implemented with modules (e.g., procedures, functions, and so on) that perform the functions described herein. The software codes may be stored in memory units and executed by processors. The memory unit may be implemented within the processor or external to the processor, in which case it can be communicatively coupled to the processor via various means as is known in the art.
What has been described above includes examples of one or more embodiments. It is, of course, not possible to describe every conceivable combination of components or methodologies for purposes of describing the aforementioned embodiments, but one of ordinary skill in the art may recognize that many further combinations and permutations of various embodiments are possible. Accordingly, the embodiments described herein are intended to embrace all such alterations, modifications and variations that fall within the scope of the appended claims. Furthermore, to the extent that the term "includes" is used in either the detailed description or the claims, such term is intended to be inclusive in a manner similar to the term "comprising" as "comprising" is interpreted when employed as a transitional word in a claim. Furthermore, any use of the term "or" in the specification of the claims is intended to mean a "non-exclusive or".
Claims (6)
1. A data transmission method for 3D digital sand table vehicle simulation is characterized by comprising the following steps:
the vehicle-mounted terminal collects vehicle actual operation data according to a preset frequency and remotely sends the collected vehicle actual operation data to the background server;
the background server stores actual vehicle running data sent by the vehicle-mounted terminal, analyzes the data into an available format according to a vehicle-mounted terminal data protocol, and pushes the analyzed data to a kafka queue;
the kafka queue temporarily stores the received data, and when the number of the data is detected to be larger than the temporarily stored data number threshold value of the kafka queue, the application program actively pushes the data of the vehicle-mounted terminal to the 3D digital sand table according to the preset frequency;
and after the 3D digital sand table receives the vehicle-mounted terminal data, the vehicle-mounted terminal data are applied to a vehicle model on the 3D digital sand table, and the running condition of the vehicle is simulated really through the 3D digital sand table.
2. The data transmission method for 3D digital sand table vehicle simulation of claim 1, wherein the vehicle-mounted terminal collects the actual operation data of the vehicle, and at least comprises the following steps: bus data of the vehicle, original CAN messages, running speed, advancing direction, acceleration, deceleration, longitude and latitude and altitude.
3. The data transmission method for the 3D digital sand table vehicle simulation of claim 1, wherein the vehicle-mounted terminal collects the actual operation data of the vehicle, and the collection frequency is 1 Hz.
4. The data transmission method for the simulation of the 3D digital sand table vehicle according to claim 1, wherein the kafka queue temporarily stores the threshold number of data pieces as 100, and when the kafka queue is detected to contain 100 pieces of data, the application program transfers the terminal data to the 3D digital sand table at a frequency of 1 piece of data per second.
5. The data transmission method for the 3D digital sand table vehicle simulation of claim 1, wherein the vehicle-mounted terminal remotely transmits the collected actual vehicle operation data to the background server in a mobile network manner.
6. A data transmission system for 3D digital sand table vehicle simulation, comprising: the system comprises a vehicle-mounted terminal, a background server, a kafka queue and a 3D digital sand table; wherein:
the vehicle-mounted terminal is fixed on an actual running vehicle and used for acquiring actual running data of the vehicle according to a preset frequency and remotely sending the acquired actual running data of the vehicle to the background server;
the background server is remotely connected with the vehicle-mounted terminal through a mobile network, stores actual vehicle running data sent by the vehicle-mounted terminal, analyzes the data into an available format according to a vehicle-mounted terminal data protocol, and pushes the analyzed data to a kafka queue;
the kafka queue is used for temporarily storing the received data, and when the number of the data is detected to be larger than the temporarily stored data number threshold value of the kafka queue, the application program actively pushes the data of the vehicle-mounted terminal to the 3D digital sand table according to the preset frequency;
and the 3D digital sand table is used for applying the data of the vehicle-mounted terminal to the vehicle model on the 3D digital sand table after receiving the data of the vehicle-mounted terminal, and truly simulating the running condition of the vehicle through the 3D digital sand table.
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| US20150120132A1 (en) * | 2012-07-05 | 2015-04-30 | Mark Kramer | System And Method To Instrument And Gather Three-Dimensional (3-D) Vehicle Tracking And Operating Information |
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| CN108124507A (en) * | 2017-12-28 | 2018-06-05 | 深圳市锐明技术股份有限公司 | A kind of demenstration method, device and the terminal device of intelligent vehicle-carried ADAS functions |
| CN109729151A (en) * | 2018-12-06 | 2019-05-07 | 浙江大学宁波理工学院 | A kind of car-mounted terminal data transmission system and method |
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