CN111968366A - Expressway path fitting method and device based on block chain - Google Patents
Expressway path fitting method and device based on block chain Download PDFInfo
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- CN111968366A CN111968366A CN202010732217.7A CN202010732217A CN111968366A CN 111968366 A CN111968366 A CN 111968366A CN 202010732217 A CN202010732217 A CN 202010732217A CN 111968366 A CN111968366 A CN 111968366A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
Abstract
The invention discloses a block chain-based highway path fitting method and device. The highway driving track data are written into the block chain, the highway driving navigation request uploaded by the path contribution vehicle on the highway is received, whether the midway position data are located in the highway driving track data or not is judged, if yes, whether the end position data are located in the highway driving track data or not is judged, if yes, path fitting is carried out on the current midway position data, the highway driving track data and the end position data of the path query vehicle, the highway driving navigation data are generated, the generated highway driving navigation data are sent to the path query vehicle, real-time updating is facilitated, all-round coverage is achieved to all corners of the highway, and tampering and loss of the data are effectively avoided.
Description
Technical Field
The invention relates to the technical field of intelligent traffic, in particular to a block chain-based highway path fitting method and device.
Background
The expressway is a road type divided according to the technical grade, and the grade is higher than a first-grade road, a second-grade road, a third-grade road, a fourth-grade road and an equal-outside road. The highway and the national road or the provincial road under the classification of the road network status grade are in a cross relationship, namely the highway is a part of the national road or the provincial road in the road network. In an urban road system, expressways can be constructed according to the standard of expressways, because the basic structural characteristics of expressways and expressways are the same. The concept of the expressway network is different from that of the expressway, the expressway network not only comprises expressway lines meeting the technical grade standard, but also covers a part of expressway lines bearing the function of high-speed transportation, most of the expressway networks are closed first-level highways, and the expressway networks are often charged with other expressway networks. The expressway and the first-level highway belong to the same high-level highway. Compared with a first-level road, the highway controls vehicles to enter and exit in the whole process and is a totally-enclosed special road for automobiles; the first-level road is a totally-enclosed, semi-enclosed or open road, vehicles can be partially controlled to enter and exit according to needs, the applicable occasions are wider than those of the high-speed road, but the technical indexes are relatively lower. At present, when a vehicle runs on a highway, a driver usually plans a route by means of map navigation, however, due to the fact that the variability of actual road conditions is large, the current map navigation is difficult to update in real time and fully cover all corners of the highway, and in addition, if a server of the map navigation is attacked or tampered by a lawbreaker, serious loss such as data loss is easily caused.
Disclosure of Invention
The invention provides a block chain-based highway path fitting method and device, which are used for solving the problems that the conventional map navigation is difficult to update in real time and can completely cover all corners of a highway, and in addition, a server of the map navigation is easy to cause serious loss such as data loss if being attacked or tampered by a lawbreaker.
In a first aspect, the present invention provides a block chain-based highway path fitting method, including:
receiving highway driving track data uploaded by path contribution vehicles on a highway;
writing the highway driving track data into a block chain;
receiving a highway driving navigation request uploaded by a path inquiry vehicle on a highway, wherein the highway driving navigation request comprises current midway position data and terminal position data of the path inquiry vehicle;
judging whether the midway position data is located in the highway driving track data or not;
if the midway position data is located in the highway driving track data, judging whether the end point position data is located in the highway driving track data;
if the terminal position data is located in the highway driving track data, performing path fitting on the current midway position data of the path inquiry vehicle, the highway driving track data and the terminal position data to generate highway driving navigation data;
and sending the generated highway driving navigation data to the path inquiry vehicle.
Optionally, after receiving highway driving track data uploaded by a path-contributing vehicle on a highway, the method further includes:
verifying whether the expressway form track data meet preset rules or not;
if the expressway form track data meet preset rules, writing the expressway driving track data into a block chain;
and if the expressway form track data do not accord with a preset rule, deleting the expressway form track data.
Optionally, after the generated highway driving navigation data is sent to the route query vehicle, the method further includes:
and writing the highway driving navigation data into a block chain.
In a second aspect, the present invention also provides a block chain-based highway path fitting apparatus, including:
the system comprises a first receiving unit, a second receiving unit and a control unit, wherein the first receiving unit is used for receiving highway driving track data uploaded by path-contributing vehicles on a highway;
the writing unit is used for writing the highway driving track data into a block chain;
the second receiving unit is used for receiving a highway driving navigation request uploaded by a path inquiry vehicle on a highway, wherein the highway driving navigation request comprises current midway position data and terminal position data of the path inquiry vehicle;
a first judging unit configured to judge whether the midway position data is located in the expressway travel track data;
a second determination unit configured to determine whether the end point position data is located within the highway travel track data, when the halfway position data is located within the highway travel track data;
a fitting unit configured to perform path fitting on the current midway position data of the path inquiry vehicle, the highway travel track data, and the end position data to generate highway travel navigation data, when the end position data is located in the highway travel track data;
and the sending unit is used for sending the generated highway driving navigation data to the route inquiry vehicle.
Optionally, the apparatus further comprises:
the system comprises a verification unit, a processing unit and a processing unit, wherein the verification unit is used for verifying whether the expressway form track data conforms to a preset rule after receiving expressway running track data uploaded by path contribution vehicles on an expressway;
the writing unit is used for writing the highway driving track data into a block chain under the condition that the highway form track data meets a preset rule;
and the deleting unit is used for deleting the expressway form track data under the condition that the expressway form track data does not accord with preset rules.
Optionally, the writing unit is further configured to write the highway driving navigation data into a block chain after the generated highway driving navigation data is sent to the route query vehicle.
The invention has the following beneficial effects: the invention provides a block chain-based highway path fitting method and a block chain-based highway path fitting device, which are characterized in that highway driving track data are written into a block chain by receiving highway driving track data uploaded by a path-contributing vehicle on a highway, the highway driving navigation request uploaded by a path inquiry vehicle on the highway is received, the highway driving navigation request comprises current midway position data of the path inquiry vehicle, and end position data judges whether the midway position data are positioned in the highway driving track data or not, if the midway position data are positioned in the highway driving track data, whether the end position data are positioned in the highway driving track data or not, if the end position data are positioned in the highway driving track data, path fitting is carried out on the current midway position data, the highway driving track data and the end position data of the path inquiry vehicle, and generating highway driving navigation data and sending the generated highway driving navigation data to the path inquiry vehicle. The highway driving track data uploaded by the path contribution vehicles are recorded in real time by using the block chains, real-time updating and comprehensive coverage to all corners of the highway are facilitated, and the data are written into the block chains, so that tampering and loss of the data are effectively avoided.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any inventive exercise.
Fig. 1 is a flowchart of a block chain-based highway path fitting method according to an embodiment of the present invention.
Fig. 2 is a flowchart of an alternative implementation of a block chain-based highway path fitting method according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a block chain-based highway path fitting apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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. The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Referring to fig. 1, an implementation subject of the block chain-based highway path fitting method provided in the embodiment of the present invention is a server, and the method includes:
and step S101, receiving highway driving track data uploaded by the path contribution vehicles on the highway.
Specifically, the vehicle can be provided with a vehicle-mounted terminal, and the vehicle-mounted terminal is in communication connection with the server. The path-contributing vehicle can upload the highway driving track data to the server through the vehicle-mounted terminal, and the behavior is determined by the driver of the path-contributing vehicle.
And S102, writing the highway driving track data into a block chain.
Specifically, the server writes the highway travel track data into the block chain.
Step S103, receiving a highway driving navigation request uploaded by a path inquiry vehicle on a highway, wherein the highway driving navigation request comprises current midway position data and terminal position data of the path inquiry vehicle.
Specifically, other vehicles on the highway can initiate a highway driving navigation request to the server through the vehicle-mounted device.
And step S104, judging whether the midway position data is positioned in the highway driving track data.
And S105, if the midway position data is located in the highway driving track data, judging whether the end point position data is located in the highway driving track data.
And step S106, if the terminal position data is located in the highway driving track data, performing path fitting on the current midway position data of the path inquiry vehicle, the highway driving track data and the terminal position data to generate highway driving navigation data.
And S107, sending the generated highway driving navigation data to the route inquiry vehicle.
As shown in fig. 2, after receiving highway driving trace data uploaded by path-contributing vehicles on a highway, the method may further include:
step S201, verifying whether the highway form track data meets a preset rule.
And if the expressway form track data meets the preset rule, executing the step S102, and writing the expressway running track data into a block chain. And if the expressway form track data does not meet the preset rule, executing step S202 and deleting the expressway form track data. The preset rule can be a traffic rule and the like, and aims to ensure that the running track of the expressway is legal.
Further, after sending the generated highway driving navigation data to the route query vehicle, the method further includes: and writing the highway driving navigation data into a block chain.
It can be known from the above embodiments that the block chain-based highway path fitting method provided by the present invention receives a highway travel track data uploaded by a path-contributing vehicle on a highway, writes the highway travel track data into a block chain, receives a highway travel navigation request uploaded by a path-inquiring vehicle on the highway, the highway travel navigation request includes current midway position data of the path-inquiring vehicle, and end position data determines whether the midway position data is located in the highway travel track data or not, if the midway position data is located in the highway travel track data, determines whether the end position data is located in the highway travel track data or not, if the end position data is located in the highway travel track data, performs path fitting on the current midway position data, the highway travel track data, and the end position data of the path-inquiring vehicle, and generating highway driving navigation data and sending the generated highway driving navigation data to the path inquiry vehicle. The highway driving track data uploaded by the path contribution vehicles are recorded in real time by using the block chains, real-time updating and comprehensive coverage to all corners of the highway are facilitated, and the data are written into the block chains, so that tampering and loss of the data are effectively avoided.
As shown in fig. 3, the present invention also provides a block chain-based highway path fitting apparatus, including:
the first receiving unit 31 is configured to receive highway driving trace data uploaded by a route-contributing vehicle on a highway.
A writing unit 32, configured to write the highway driving trajectory data into a block chain.
The second receiving unit 33 is configured to receive a highway driving navigation request uploaded by a route query vehicle on a highway, where the highway driving navigation request includes current midway position data of the route query vehicle and end point position data.
A first judgment unit 34 configured to judge whether the midway position data is located in the expressway travel locus data.
A second determination unit 35, configured to determine whether the end point position data is located in the highway travel track data when the midway position data is located in the highway travel track data.
A fitting unit 36, configured to perform path fitting on the current midway position data of the route query vehicle, the highway travel track data, and the end point position data to generate highway travel navigation data when the end point position data is located in the highway travel track data.
A sending unit 37, configured to send the generated highway driving navigation data to the route query vehicle.
Further, the apparatus further comprises:
a verification unit 38, configured to verify whether the highway-form trajectory data meets a preset rule after receiving highway driving trajectory data uploaded by the route-contributing vehicle on the highway.
The writing unit 32 is configured to write the highway driving track data into a block chain when the highway-form track data meets a preset rule.
A deleting unit 39 configured to delete the highway-form trajectory data when the highway-form trajectory data does not meet a preset rule.
Further, the writing unit 32 is further configured to write the highway driving navigation data into a block chain after sending the generated highway driving navigation data to the route query vehicle.
An embodiment of the present invention further provides a storage medium, and a computer program is stored in the storage medium, and when the computer program is executed by a processor, the computer program implements part or all of the steps in each embodiment of the block chain-based highway path fitting method provided by the present invention. The storage medium may be a magnetic disk, an optical disk, a Read-only memory (ROM) or a Random Access Memory (RAM).
Those skilled in the art will readily appreciate that the techniques of the embodiments of the present invention may be implemented as software plus a required general purpose hardware platform. Based on such understanding, the technical solutions in the embodiments of the present invention may be essentially or partially implemented in the form of a software product, which may be stored in a storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments.
The same and similar parts in the various embodiments in this specification may be referred to each other. In particular, for the embodiment of the block chain-based highway path fitting device, since it is substantially similar to the embodiment of the method, the description is simple, and for the relevant points, refer to the description in the embodiment of the method.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention.
Claims (6)
1. A block chain-based highway path fitting method is characterized by comprising the following steps:
receiving highway driving track data uploaded by path contribution vehicles on a highway;
writing the highway driving track data into a block chain;
receiving a highway driving navigation request uploaded by a path inquiry vehicle on a highway, wherein the highway driving navigation request comprises current midway position data and terminal position data of the path inquiry vehicle;
judging whether the midway position data is located in the highway driving track data or not;
if the midway position data is located in the highway driving track data, judging whether the end point position data is located in the highway driving track data;
if the terminal position data is located in the highway driving track data, performing path fitting on the current midway position data of the path inquiry vehicle, the highway driving track data and the terminal position data to generate highway driving navigation data;
and sending the generated highway driving navigation data to the path inquiry vehicle.
2. The method of claim 1, wherein after receiving highway travel trajectory data uploaded by path-contributing vehicles on a highway, the method further comprises:
verifying whether the expressway form track data meet preset rules or not;
if the expressway form track data meet preset rules, writing the expressway driving track data into a block chain;
and if the expressway form track data do not accord with a preset rule, deleting the expressway form track data.
3. The method of claim 1, wherein after sending the generated highway travel navigation data to the route query vehicle, the method further comprises:
and writing the highway driving navigation data into a block chain.
4. A block chain based highway path fitting apparatus, comprising:
the system comprises a first receiving unit, a second receiving unit and a control unit, wherein the first receiving unit is used for receiving highway driving track data uploaded by path-contributing vehicles on a highway;
the writing unit is used for writing the highway driving track data into a block chain;
the second receiving unit is used for receiving a highway driving navigation request uploaded by a path inquiry vehicle on a highway, wherein the highway driving navigation request comprises current midway position data and terminal position data of the path inquiry vehicle;
a first judging unit configured to judge whether the midway position data is located in the expressway travel track data;
a second determination unit configured to determine whether the end point position data is located within the highway travel track data, when the halfway position data is located within the highway travel track data;
a fitting unit configured to perform path fitting on the current midway position data of the path inquiry vehicle, the highway travel track data, and the end position data to generate highway travel navigation data, when the end position data is located in the highway travel track data;
and the sending unit is used for sending the generated highway driving navigation data to the route inquiry vehicle.
5. The apparatus of claim 4, wherein the apparatus further comprises:
the system comprises a verification unit, a processing unit and a processing unit, wherein the verification unit is used for verifying whether the expressway form track data conforms to a preset rule after receiving expressway running track data uploaded by path contribution vehicles on an expressway;
the writing unit is used for writing the highway driving track data into a block chain under the condition that the highway form track data meets a preset rule;
and the deleting unit is used for deleting the expressway form track data under the condition that the expressway form track data does not accord with preset rules.
6. The apparatus according to claim 4, wherein the writing unit is further configured to write the highway driving navigation data into a block chain after transmitting the generated highway driving navigation data to the route query vehicle.
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Cited By (3)
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| CN112565364A (en) * | 2020-11-26 | 2021-03-26 | 东南大学 | Cross-chain cooperation method and device based on highway path recognition result |
| CN113850163A (en) * | 2021-09-12 | 2021-12-28 | 泰州蝶金软件有限公司 | Parameter analysis platform using block chain storage |
| CN115762155A (en) * | 2022-11-14 | 2023-03-07 | 东南大学 | Highway pavement abnormity monitoring method and system |
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| CN113850163A (en) * | 2021-09-12 | 2021-12-28 | 泰州蝶金软件有限公司 | Parameter analysis platform using block chain storage |
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