CN107067720B - Urban real-time traffic system and method based on block chain - Google Patents
Urban real-time traffic system and method based on block chain Download PDFInfo
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Abstract
The invention relates to two systems, namely an urban real-time traffic system for realizing privacy protection based on a public chain block chain and an urban real-time traffic system for realizing vehicle monitoring based on a private chain block chain; the city real-time traffic system for realizing privacy protection based on the public chain block chain comprises: the system comprises a system center module, urban vehicles and a recorder module; a city real-time traffic system for realizing vehicle monitoring based on a block chain of a private chain is provided with a center which is responsible for managing the identifier of each vehicle. The invention adopts a block chain as a core technology, and utilizes a 'record book' of the block chain to store and record the driving record of each automobile in a distributed manner. And drawing the real-time traffic situation by the recorder according to the record book data.
Description
Technical Field
The invention belongs to the technical field of urban real-time traffic, and particularly relates to a system and a method for realizing urban real-time traffic based on a block chain.
Background
Nowadays, a large amount of rural population is poured into cities due to increasingly accelerated urbanization, the urban population is more and more, and the proportion of cars and families is increased year by year due to the improvement of the living standard of people nowadays, and the urban traffic problem brought by the urban population becomes the biggest obstacle for people to go out. How to avoid congested road sections in time and check the traffic flow and the congestion situation of the route between a user and a destination, the better currently done in China is a Gaode map, a Baidu map and the like, through the application of the Gaode map and the like, the user can know the congestion situation of the road sections in time, but the congestion situation of the road sections is brought to the user, and meanwhile, personal privacy problems are brought to the user. In many cases, the police tracking a vehicle requires the invocation of many monitors, provided that such tracking requires a lot of manpower and equipment in case of installed monitoring equipment. In addition, over-speed has been an inevitable event, and in an unmonitored location, many drivers intentionally accelerate, which has resulted in a number of unfortunate occurrences.
In summary, the problems of the prior art are as follows: because of the interest problem, the map developers leak the position information of the users to the shops and push a plurality of garbage push messages to the users, so that the privacy of the users is leaked and unnecessary disturbance is often brought; in addition, due to the adoption of a camera shooting and recording mode at present, a great amount of manpower and equipment are needed for vehicle tracking, so that the cost is high and the efficiency is low.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a system and a method for realizing urban real-time traffic based on a block chain.
The invention realizes two urban real-time traffic systems and methods, which are respectively realized as follows, the first one is as follows: the city real-time traffic system for realizing privacy protection based on the public chain block chain comprises: the system comprises a system center module, urban vehicles and a recorder module.
Further, the system center module comprises a front end receiving system and a background data processing system; the front-end receiving system is responsible for data sent by the vehicles, arranges the data and sends the data to each recorder in a certain mode. The background processing system processes the record submitted by the recorder, such as filtering, judging whether the record is correct and the like, then gives the record staff the working condition to record according to the correct condition of the record, and finally records the working condition of some recorder.
Another objective of the present system is to provide a city real-time transportation system and method for implementing privacy protection based on public chain blockchains, where the city real-time transportation method for implementing privacy protection based on public chain blockchains includes the following steps:
when the automobile leaves a factory, a vehicle-mounted App is installed;
the identifier of the car is generated by the App, and the car identifier is automatically updated every half hour; when the automobile is started, a message is sent to the system every other minute;
the 'recorder' firstly needs to register in the system, after the registration is finished, each 'recorder' has a dedicated 'mailbox', and the 'mailbox' is used for receiving data; the system collects information sent by all vehicles, copies the information, and sends the information to the mailbox of each recorder respectively, and the recorder takes out data from the mailbox of the recorder every minute and processes the data;
further, the "recorder" takes out data from its own mailbox every minute, and processes the data in the following way: checking the identifier current of the automobile in the current piece of information, and then inquiring the data taken out from the mailbox, wherein the information sent by a plurality of vehicles comprises the automobile identifier;
if the automobile identifier is not in the 6 pieces of information, marking the information as invalid information;
if the number of the records exceeds 6, the recorder immediately sends the ID of the recorder, the identifier current of the information, the identifier record of the latest record in the recorder and the identifier of the recorder IDrecord which find other 6 information to the system, namely: recorder IDcurrent identifier current identifier 1 identifier 2 identifier 3 identifier 4 identifier 5 identifier 6 and waits for the system to send a record.
When the system receives records sent by a plurality of loggers at the same time, the system automatically sequences, a first record is sent according to the original format, when the system receives that 6 loggers return to be correct, a second record is sent, the loggers IDrecord and the identifier record in the second record are changed into the loggers IDcurrent and the identifier current in the first record and then sent to all the loggers, and the loggers IDrecord and the identifier record in the later sent records are sequentially changed into the previous record, namely the loggers IDcurrent and the identifier current in the current-1 record;
when the system detects that a certain recorder sends more than 5 pieces of error data or invalid data within 1 minute, the system refuses to receive the record submitted by the recorder within the next 10 minutes;
the 'recorder' draws the customized traffic system according to the own book record.
The second system of the present invention is directed to provide a city real-time traffic method for implementing vehicle monitoring based on a private chain block chain, where the city real-time traffic method for implementing vehicle monitoring based on a private chain block chain includes:
when the identifier of the App in the automobile is replaced, the App is issued by a system center module; the center issues identifiers to all vehicles once at intervals; when the automobile App receives the identifier sent by the center, the local identifier is changed into the identifier sent by the center;
when the automobile clicks the replacement identifier, the App sends an identifier replacement request to the center, the system center module generates a unique identifier, the unique identifier is sent to the vehicle-mounted App, and the App receives and replaces the unique identifier;
the system center module makes a self 'record book' for storing all historical records and historical identifier records of the automobile; the current running track of the vehicle can be calculated through the history.
The invention has the advantages and positive effects that:
(1) privacy protection: the public blockchain is a decentralized trust mechanism, the running record of each automobile is stored and recorded in a distributed mode by using a 'record book' of the blockchain, in the record book, each automobile is recorded in an anonymous mode, except an owner, other people cannot know to whom the information belongs, and privacy protection of the owner can be realized; the recorder can facilitate the data provided by the system and draw services such as urban real-time traffic conditions.
(2) Authenticity: in the system, data sent by each vehicle needs to be authenticated by other 6 vehicles, records submitted by each recorder also need to be authenticated by a plurality of recorders, and can be recorded in the system finally, so that data counterfeiting is prevented, the possibility of hacking is reduced, and the authenticity of the data in the system is ensured.
(3) Real-time performance: each vehicle sends its own position every minute, ensuring that the recorder can draw the real-time traffic system road conditions accurate to about 1 minute.
(4) Can monitor: in the second system, the center stores all the identifiers of each vehicle, and the current position and the historical driving record of the vehicle can be monitored by inquiring the record of the vehicle in the record book through all the identifiers of the vehicle.
(5) The cost is low: in the second system, the center may query the driving situation of a certain vehicle in the record book according to the identifier of the vehicle, and calculate the vehicle speed and the driving track of the vehicle. The vehicle speed detection device and a large number of cameras and sensors arranged on the road can be omitted, and hardware cost and labor cost are reduced.
(6) The invention adopts the block chain technology which is popular in the recent years in the world, the block chain is a distributed database, originates from bitcoin and is a series of data blocks which are associated by using a cryptography method, and each data block comprises a plurality of times of recorded information for verifying the validity (anti-counterfeiting) of the information and generating the next block.
Drawings
Fig. 1 is a schematic structural diagram of an urban real-time traffic system for implementing privacy protection based on a public chain blockchain and an urban real-time traffic system for implementing vehicle monitoring based on a private chain blockchain according to an embodiment of the present invention;
fig. 2 is a flowchart of a city real-time transportation method for implementing privacy protection based on a public chain block chain according to an embodiment of the present invention.
Fig. 3 is a schematic relationship diagram of a system center module, an urban vehicle and a recorder module provided by the embodiment of the invention.
In the figure: 1. a system center module; 2. an urban vehicle; 3. a logger module; 4. an identifier management center module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description of the principles of the invention is provided in connection with the accompanying drawings.
The system for realizing urban real-time traffic based on the block chain comprises the following steps: the city real-time traffic system realizes privacy protection based on the public chain block chain and the city real-time traffic system realizes vehicle monitoring based on the private chain block chain.
As shown in fig. 1, the urban real-time transportation system for implementing privacy protection based on a public chain blockchain according to an embodiment of the present invention includes: the system comprises a system center module 1, an urban vehicle 2 and a recorder module 3.
The system center module 1 comprises a front-end receiving system background data processing system.
As shown in fig. 2, according to the urban real-time transportation method for realizing privacy protection based on the public chain block chain provided by the embodiment of the invention, when an automobile leaves a factory, a vehicle-mounted App is installed, the App cannot be uninstalled, which is equivalent to that a system in a mobile phone is provided with an undetachable application program and is started up automatically, and then the App can be installed by an automobile owner in the later period, so that whether the App is installed by the automobile owner is detected in the annual automobile inspection or traffic police patrol. In addition, when a foreign vehicle enters the city, a device for detecting whether the vehicle is provided with the App or not is arranged at the toll station, whether the App is arranged on the current passing vehicle or not is prompted to a worker, and if the App is not arranged on the current passing vehicle, the worker tells the vehicle to timely install the App.
The identifier of the car is generated by the App, which has the functions of manually replacing the identifier and periodically and automatically replacing the identifier. The identifier is a string of random numbers automatically generated using an encryption algorithm. The automobile identifier is automatically updated every half hour, and in addition, the owner can replace the automobile identifier at any time. When the automobile is started, a message is sent to the system every other minute, and the message comprises: current vehicle identifier, time, GPS, other vehicle identifiers searched within 100 meters of proximity.
The system needs the participation of 'loggers', such as miners in bitcoin, 'loggers' need to register in the system at first, and after the registration is completed, each 'loggers' has a dedicated 'mailbox', and the 'mailbox' is used for receiving data. The system can copy a plurality of copies of the information sent by all vehicles, and respectively send the copies to the mailbox of each recorder, and the recorder takes out data from the mailbox of the recorder every minute and processes the data, wherein the processing mode is as follows: checking the identifier current of the automobile in the current information, then inquiring the data taken out from the mailbox, wherein the information sent by a plurality of automobiles comprises the automobile identifier, if the automobile identifier does not exceed 6 pieces of information, marking the information as invalid information, if the information exceeds 6 pieces of information, the recorder immediately sends the ID of the recorder, the identifier current of the information, the identifier current of the latest record in the recorder, the identifier receiver of the IDreceiver of the recorder and the identifiers found out of other 6 pieces of information to the system, namely: recorder IDcurrent identifier current identifier 1 identifier 2 identifier 3 identifier 4 identifier 5 identifier 6 and waits for the system to send a record. After the system receives the record sent by the recorder, all the recorders are immediately informed to stop inquiring, and the currently received record is sent to all the recorders, so that the recorders can judge the correctness of the record, and the judging mode is as follows: firstly, inquiring whether a recorder IDrecord and an identifier record are consistent with the latest record of the current record, if so, searching whether the identifier current exists in the information of the identifiers 1-6, if so, returning the record to the system to be correct, and recording the record in a record book of the recorder, wherein the recorded information includes: the recorder IDcurrent, identifier current, time, GPS that finds the record are written as a record in its own "record book", otherwise the record is returned to the system as incorrect. If the system receives the correct confirmation information of 6 'loggers', adding one to the correct record of the loggers initiating the record, or else, marking the error record of the loggers initiating the record and adding one.
When the system receives the records sent by a plurality of loggers at the same time, the system automatically sequences, the first record is sent according to the original format, when the system receives that 6 loggers return to be correct, the second record is sent, the loggers IDrecord and the identifier record in the second record are changed into the loggers IDcurrent and the identifier current in the first record and then sent to all the loggers, and the loggers IDrecord and the identifier record in the later sent records are sequentially changed into the previous record, namely the loggers IDcurrent and the identifier current in the current-1 record. If the returned error information is met or 6 correct information is not received, the system discards the currently sent record, records the error record of the initiated recorder plus one, continues to send the next record, changes the recorder IDrecord and the identifier record in the record into the recorder IDcurrent and the identifier current in the current-2 records, and sends the records to all the recorders.
When the system detects that more than 5 pieces of error data or invalid data are sent within 1 minute of a certain "recorder", the system will refuse to receive the record submitted by the "recorder" within the next 10 minutes, but still provide the record with car information and records initiated by other "recorders".
Another task of "loggers" is to map urban real-time traffic, with the same logbook for each "loggers," who can map customized traffic systems from their own ledger records. For example, a "recorder" may query all data in 1 minute of the current record book, and since each vehicle sends data every 1 minute, the number of data in 1 minute of the record book is the number of vehicles in the current city. And then according to the GPS data in each record, the number of automobiles in different roads of the city can be divided. The congestion condition of a certain street can be judged according to the running speeds of all vehicles on the certain street (judged by the GPS) within a certain time period. In addition, the "recorder" can also help the automobile driver to select the best path and the like.
In the system, as the reward of the recorder, the payroll is distributed into two parts, wherein the first part is the number of correct records submitted by the user, and the second part is the number of users used by the urban real-time traffic system. The system divides the reward equally into two parts, each of which is half. Half of the records are distributed according to the proportion that each recorder submits correct records, and half of the records are distributed according to the proportion of the number of users of the real-time traffic system of the recorders. This ensures that the "recorder" is much too much and provides good quality service. In this system, the funding source of the reward is temporarily not considered, and the reward allocation is also only referenced to each "recorder" attendance criteria.
As shown in fig. 1, the urban real-time traffic system for implementing vehicle monitoring based on a block chain of a private chain according to the embodiment of the present invention includes: the system comprises a system center module 1, a city vehicle 2, a recorder module 3 and an identifier management center module 4. And a private chain block chain technology is adopted to realize the urban real-time traffic system for vehicle monitoring.
When the identifier is replaced by the App in the automobile, a unique identifier is not randomly generated by the App, but is issued by the center. In this system, the center issues identifiers to all vehicles at intervals. When the car App receives the identifier sent by the center, the local identifier is changed to the identifier sent by the center.
In addition, when the automobile clicks the replacement identifier, the App sends an identifier replacement request to the center, the center generates a unique identifier, the unique identifier is sent to the vehicle-mounted App, and the App receives and replaces the unique identifier.
In this system, the center also serves as one of the loggers, but the main task is to create its own "log book" for storing all the history records, and also to store the history identifier records of the automobile. With the above two items, the center can query the history record of a vehicle in the "record book" according to the history identifier of the vehicle, and can calculate the current driving track of the vehicle according to the history record, and within the last week or even longer, the driving record of the vehicle, such as where the vehicle has gone, where it has been stopped, and how long it has been stopped, etc., can be calculated. In addition, the center can calculate and judge whether the automobile is overspeed or not according to the latest two records of the automobile.
Fig. 3 shows the relationship between the system center module, the city vehicle, and the recorder module, and the arrows indicate the flow direction of the data. The urban vehicle provides a data source, the front-end receiving system has the functions of receiving data and sending data, receiving the data sent by the urban vehicle, then sending the data to each recorder, the recorder processes the data after acquiring the data, and sends the processed record to the background processing system, the background processing system filters the data, then confirms the record to determine whether the record is correct, and then evaluates whether the record is correct or not. Finally, the recorder also provides services (such as urban traffic conditions, navigation and the like) for the urban vehicles.
The above description is only exemplary of the present invention, and all data parameters are not intended to limit the present invention, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A city real-time traffic system for realizing privacy protection based on a public chain block chain is characterized by comprising: the system comprises a system center module, urban vehicles and a recorder module;
the system center module comprises a front end receiving system and a background data processing system;
the front-end receiving system is used for receiving data sent by the vehicles, arranging the data and sending the data to each recorder in a certain mode;
the background processing system processes the records submitted by the recorders, filters and judges whether the records are correct or not, then records the working conditions of the recorders according to the correct conditions of the records, and finally records the working conditions of some recorders;
the urban real-time traffic implementation method of the urban real-time traffic system for implementing privacy protection based on the public chain block chain comprises the following steps:
when the automobile leaves a factory, a vehicle-mounted App is installed;
the identifier of the car is generated by the App, and the car identifier is automatically updated every half hour; when the automobile is started, a message is sent to the system every other minute; the information includes: current identifier of the vehicle, time, GPS, other vehicle identifiers searched within 100 meters nearby;
the 'recorder' firstly needs to register in the system center module, after the registration is finished, each 'recorder' has a dedicated 'mailbox', and the 'mailbox' is used for receiving data; the system collects information sent by all vehicles, copies the information, and respectively sends the information to the mailbox of each recorder, and the recorder takes out data from the mailbox of the recorder every minute and processes the data, and the processing mode is as follows: checking the identifier current of the automobile in the current information, then inquiring the data taken out from the mailbox, wherein the information sent by a plurality of automobiles comprises the automobile identifier, if the information does not exceed the automobile identifier in 6 pieces of information, the information is marked as invalid information, if the information exceeds 6 pieces of information, the recorder immediately sends the ID of the recorder, the identifier current of the information, the identifier current of the latest record in the recorder and the identifier of the recorder IDrecord which are searched for other 6 pieces of information to the system center module, namely: the logger IDcurrent identifier current identifier 1 identifier 2 identifier 3 identifier 4 identifier 5 identifier 6 and waits for the system center module to send a record; after receiving the record sent by the recorder, the system center module immediately informs all the recorders of stopping inquiring, and sends the currently received record to all the recorders to enable the recorders to judge the correctness of the record, wherein the judging mode is as follows: firstly, inquiring whether the current records of the recorder IDrecord and the identifier record are consistent with the latest records of the current record, if so, searching whether the information of the identifiers 1-6 has an identifier current, if so, returning the correct record to a system center module, and recording the record in a record book of the recorder, wherein the recorder IDcurrent, the identifier current, the time and the GPS of the record are used as information of the record, otherwise, returning the incorrect record to the system center module;
when the system center module receives records sent by a plurality of recorders at the same time, the system center module automatically sequences, a first record is sent according to the original format, when the system center module receives that 6 recorders return to be correct, a second record is sent, the recorders IDrecord and the identifiers record in the second record are changed into the recorders IDcurrent and the identifiers current in the first record and then sent to all the recorders, and the recorders IDrecord and the identifiers record in the later sent records are sequentially changed into the last record, namely the recorders IDcurrent and the identifiers current in current-1;
when the system center module detects that a certain recorder is sent within 1 minute and more than 5 pieces of error data or invalid data are sent, the system center module refuses to receive the record submitted by the recorder within the next 10 minutes;
the 'recorder' draws the customized traffic system according to the own record book record.
2. The city real-time traffic system for realizing vehicle monitoring based on the private chain block chain of the city real-time traffic system for realizing privacy protection based on the public chain block chain of claim 1 is characterized in that the city real-time traffic system for realizing vehicle monitoring based on the private chain block chain is provided with an identifier management center module; when the identifier is replaced by the App in the automobile, the identifier is issued to all vehicles once at intervals; when the automobile App receives the identifier sent by the identifier management center module, the local identifier is changed into the identifier sent by the identifier management center module;
when the automobile clicks the replacement identifier, the App sends an identifier replacement request to the identifier management center module, generates a unique identifier, sends the unique identifier to the vehicle-mounted App, and the App receives and replaces the unique identifier.
3. The city real-time traffic implementation method for realizing vehicle monitoring based on the private chain block chain of the city real-time traffic system for realizing vehicle monitoring based on the private chain block chain according to claim 2, wherein the city real-time traffic implementation method for realizing vehicle monitoring based on the private chain block chain comprises the following steps:
when the identifier is replaced by the App in the automobile, the App is issued by the identifier management center module; the identifier management center module can issue the identifiers for all vehicles once at intervals; when the automobile App receives the identifier sent by the identifier management center module, the local identifier is changed into the identifier sent by the identifier management center module;
when the automobile clicks the replacement identifier, the App sends an identifier replacement request to the identifier management center module, the identifier management center module generates a unique identifier, the unique identifier is sent to the vehicle-mounted App, and the App receives and replaces the unique identifier;
the identifier management center module makes a self 'record book' for storing all historical records and storing the historical identifier records of the automobile; the current running track of the vehicle can be calculated through the history.
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| CN106055993A (en) * | 2016-08-13 | 2016-10-26 | 深圳市樊溪电子有限公司 | Encryption storage system for block chains and method for applying encryption storage system |
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Effective date of registration: 20240428 Address after: 230000 Anhui Hefei high tech Zone Innovation Industrial Park two phase J2 District C block 18 floor. Patentee after: HEFEI LONGTUTEM INFORMATION TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 610225, No. 24, Section 1, Xuefu Road, Southwest Economic Development Zone, Chengdu, Sichuan Patentee before: CHENGDU University OF INFORMATION TECHNOLOGY Country or region before: China |