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109results about How to "Large amount of data storage" patented technology

Direct type backlight luminance compensation method and display device

The invention discloses a direct type backlight luminance compensation method and a display device, and is designed for solving the problems that image distortion is large after luminance compensation in the existing direct type backlight luminance compensation methods. The direct type backlight luminance compensation method includes: receiving and confirming original gray scale of pixel (i,j) according to input images; confirming backlight brightness of each area according to the input images; dynamically confirming compensating factors fcom (i,j) according to backlight brightness in pixel (i,j) area and influence on backlight brightness from other areas outside the pixel (i,j) area to the pixel (i,j) area; compensating original gray scale of pixel (i,j) according to the compensating factors fcom (i,j) to acquire compensating gray scale of pixel (i,j), wherein, i is taken as line number of pixel, and j is taken as column number of pixel. The direct type backlight luminance compensation method and the display device have the advantages that image distortion is small, data volume is small and the like after luminance compensation.
Owner:HISENSE VISUAL TECH CO LTD

Information system for warehouse

The invention discloses an information system for a warehouse. The system is characterized by comprising an interaction interface, an integration engine, a service module and a GIS assembly, wherein the warehouse information system takes a service receipt input according to an external input system as an object and enables data in the service receipt to specifically correspond to an actual material object stored in the warehouse according to material information stored in a database so as to realize data conversion from receipt-based data to an entity object; and multiple different users perform inputting through the interaction interface to control the service module to perform processing so that respective service flows are formed, and the multiple users can execute conversion of different services on the same material. According to the invention, material management positions are clear, material data management is refined, the material storage cost is reduced, and the utilization rate of the warehouse is improved. As long as the material is required to be produced, cooperative work with a supplier, third-party logistics, an enterprise itself and a client can be realized, a data information island is broken, and various parties share information together.
Owner:CHINA PETROLEUM & CHEM CORP

Method for binding hardware encryption trans-flash (TF) card with mobile phone subscriber identity module (SIM) card

The invention discloses a method for binding a hardware encryption trans-flash (TF) card with a mobile phone subscriber identity module (SIM) card. The method is characterized in that: encryption / decryption module hardware is added on a storage medium of the TF card, after the TF card is bound with the corresponding SIM card, the TF card has functions of key generation, data storage and data encryption / decryption, supports all conventional encryption algorithms and encrypts the whole process from storage, transmission, receiving to backups; encryption files are reliable; processing speed is high, cracking is avoided, a plurality of packaging types such as StandardSD, MiniSD, MicroSD and the like can be adopted, the SIM card bound with the TF card has the same strong equipment access ability as an ordinary secure digital (SD) card, high data storage capacity, can be synchronously upgraded and extended, and is convenient and flexible in use; moreover, design cost is reduced, and production process and structure can be simplified; and illegal use of the data card and illegal acquisition of the stored data in the data card are effectively prevented after the data card is lost or stolen. The invention can be widely used in a personal digital assistant (PDA), the mobile phone, a laptop, a personal computer (PC) and various terminals with an internal or an external SD card slot.
Owner:SHANGHAI QINGLONG COMM TECH

Intelligent wireless fire detection alarm system

The invention relates to the field of fire protection, and specifically relates to an intelligent wireless fire detection alarm system. The system comprises data acquisition devices used for acquiring the environment parameters of an installation site, a server used for storing, analyzing and processing data, an alarm used for sounding an alarm at the installation site, remote control terminals used for remote control, and a production management platform used for background management. The data acquisition devices and the alarm are installed on the site. Each data acquisition device comprises a temperature sensor used for detecting temperature, a smoke sensor used for detecting the concentration of smoke, and a combustible gas sensor used for detecting the concentration of combustible gas, wherein the temperature sensor, the smoke sensor and the combustible gas sensor are integrated as a whole. Each integrated data acquisition device is equipped with a bar code or a two-dimensional code. The data acquisition devices, the server, the alarm, the remote control terminals and the production management platform are connected wirelessly. With the intelligent wireless fire detection alarm system, remote control is realized, and measures can be taken to prevent fire accidents. The system has a high degree of intelligence.
Owner:刘浩

Existing railway survey method based on total station

The invention relates to an existing railway survey method based on a total station. In the method, the total station and an electromagnetic wave reflection device are adopted to survey an existing railway. The survey method comprises the following steps: firstly arranging the electromagnetic wave reflection device at the center of the existing railway line to be surveyed by virtue of a traditional measuring square ruler; determining position of the total station, and surveying the line center by the electromagnetic wave reflection device to obtain distance (slant distance), horizontal angle and vertical angle of the surveyed line and 3D coordinates of survey points (X, Y and H) of the measured line (slope distance); and then analyzing and calculating the survey data by a PDA, and performing survey on line mileage, center line, traverse, elevation and other railway equipment. The existing railway survey method based on a total station reduces on-track operation times of operators, guarantees safety of surveyors, instruments and equipment, accuracy and reliability of the surveyed data, improves production efficiency of the existing railways, and alleviates labor intensity of the operators.
Owner:黄远宏 +1

Three-range current recording and balance analysis method and device

The invention provides a method and apparatus for recording and equally analyzing three-phase current, including: detecting continuously and storing three-phase current data by a distribution room; retrieving periodically storage data; reading and processing three-phase current data using computed installed with three-phase current analysis software; calculating imbalance rate of three-phase current; obtaining data table, three-phase current variation curve and imbalance rate variation curve notated by apparatus number and detecting time; inquiring and analyzing integrally the data and curve, so as to obtain imbalance degree of three-phase power load. The apparatus includes a three-phase current detection storage apparatus and a computer. The invention is capable of analyzing and managing line loss control of, and can be applicable for analytical adjustment of three-phase load imbalance of rural area low-voltage distribution system and control management of transmission line loss.
Owner:山东卓尔电气有限公司

Intelligent scheduling high definition integrated networking video monitoring system based on cloud computing

The invention discloses an intelligent scheduling high definition integrated networking video monitoring system based on cloud computing. The system comprises a front-end device, a sensor access subsystem, a controlling and scheduling subsystem, a data processing subsystem, a data storage subsystem, a data streaming media subsystem and a user terminal. The system has the following advantages: (1) the data storage capacity is large, and the data storage capacity can be expanded in a modular manner; (2) long-distance large-scale video monitoring is supported; and (3) high-efficiency data processing ability is provided.
Owner:GUIZHOU PLANNING & DESIGN INST OF POSTS & TELECOMM

Synchronous acquisition processing card system based on multi-channel ADC and FPGA

The invention discloses a synchronous acquisition processing card system based on a multi-channel ADC and an FPGA. The synchronous acquisition processing card system comprises a clock management unit,a plurality of ADC chips, two FPGA chips, a plurality of groups of DDR3 chips and a power distribution network. The clock management unit generates multiple paths of synchronous sampling clocks and reference clocks, and the ADC chips are used for collecting and converting intermediate frequency signals accessed by an SMP. In the present invention, the invention relates to the technical field of ultra-high-speed data acquisition and processing. The sampling clock management unit provides sampling clocks and reference clocks required by synchronous sampling of multiple ADCs, it is convenient for expansion of ADC channel numbers. ADC+FPGA+DDR3 construction is adopted to complete data acquisition, processing, and caching, so that the synchronous acquisition processing card system has the advantages of being large in synchronous acquisition channel number, large in data storage capacity, high in processing capacity, wide in data transmission bandwidth and the like, and the market requirement of array signal processing for multi-channel synchronous data acquisition can be met.
Owner:CHENGDU SIMATE SCI & TECH

RFID indoor positioning system and method based on artificial neural networks

The invention relates to an RFID indoor positioning system and method based on ANNs (artificial neural networks). The RFID indoor positioning method comprises following steps of carrying out positioning area data acquisition in an off-line stage, pre-processing original data, establishing a training database and constructing an ANNs indoor location positioning model; carrying out noise filtering and data normalization pre-processing on the original data by means of a Gaussian filtering principle in dependence on the signal statistical data characteristic; obtaining real time signals in the on-line stage, pre-processing data, inputting the pre-processed data into the ANNs indoor location positioning model constructed in the off-line phase in real time, and outputting the location of the object to be positioned. The RFID indoor positioning system comprises a passive RFID tag, an RFID reader and a computer terminal. Compared with the prior art, the RFID indoor positioning system and method are advantaged in that the noise filtering, pre-processing and positioning precision is high, the Gaussian filtering process calculating time is short, the noise jamming resistance is high, the cost is low and the positioning real-time performance is high and the like.
Owner:SHANGHAI UNIV OF ENG SCI

Data biological storage and restoration method

The invention relates to a method and an apparatus for converting data into data DNA sequences with good biological implantability and restoring a DNA sequence library to original data, and further relates to a software product used for realizing the method and a computer readable storage medium storing the software product. The possibility of storing the data in a biological body by constructingthe DNA library is realized.
Owner:TSINGHUA UNIV

Ropeless static penetrometer and method for acquiring and processing data

The invention discloses a ropeless static penetrometer and a method for acquiring and processing data. The ropeless static penetrometer comprises an underground static probing DAC (data acquisition card), a management system of a static probing data upper computer and an underground static probing data acquisition instrument, wherein the management system of the static probing data upper computer is used for processing and displaying data which is acquired by and stored in the underground static probing DAC, and the underground static probing data acquisition instrument is used for uploading the data. The method comprises the following steps: 1, acquiring and processing a signal of an initial detection value of a static prober in real time; 2, acquiring, processing and displaying depth signals of a probe rod and signals output by the underground static probing DAC in real time; 3, uploading the data; and 4, processing and displaying static probing data. The structure is simple, the design is reasonable, the operation is convenient and quick, the data memory space is large, the storage time is long, the continuous working time is long, the reliability is high, the working efficiency is high, the data processing capacity is strong, the use efficiency is good, and the promotion and application are convenient.
Owner:CHANGAN UNIV

Method and system for checkpoint vehicle search based on distributed full-text retrieval system

The invention discloses a method for checkpoint vehicle search based on a distributed full-text retrieval system. The method comprises the steps that text description information of a vehicle passing picture generated after analysis of the vehicle passing picture of a checkpoint is acquired; according to main fields of the text description information of the vehicle passing picture, a configuration document of the distributed full-text retrieval system is set; the text description information analysis of the vehicle passing picture is indexed into a database of the distributed full-text retrieval system according to the configuration document of the distributed full-text retrieval system, and reverse indexes are established and distributed storage is conducted in the database of the distributed full-text retrieval system; a checkpoint vehicle search request is accepted, and attributes of a target checkpoint vehicle to be searched is analyzed; and according to the attributes of the target checkpoint vehicle, target checkpoint vehicle information is searched in the database of the distributed full-text retrieval system and then fed back. The method disclosed by the invention increases efficiency for checkpoint vehicle search and inquiry.
Owner:TAIHUA WISDOM IND GRP CO LTD

Device and method for automatically processing water quality monitoring data

The invention discloses a device and method for automatically processing water quality monitoring data. The device comprises a water quality monitoring device, a center server and a client, wherein the center server comprises a data receiving device, a data analysis device, a data checking device and a data memory device; the client comprises a client verifying device, a data reading device and a diagram generating device. The device for automatically processing water quality monitoring data is used in the method for automatically processing water quality monitoring data. The invention has the advantages that remote data can be received by a radio receiver to monitor remote water quality; with an SQL SERVER database, the memory data quantity is large, and the reading speed is high; the client can revoke the data of the center server, is convenient to use and has high efficiency; and the diagram revoked by the client can be generated into a diagram curve, the data is accurately and vividly analyzed, lateral and longitudinal comparison can be formed, and the analysis is comprehensive and visual.
Owner:江苏容力科技有限公司

Large-scale industrial information control system based on Oracle database and control method thereof

InactiveCN107291060AEasy to integrate and analyzeEliminate transport barriersProgramme controlElectric testing/monitoringProcess equipmentIndustrial systems
The invention relates to a large-scale industrial information control system based on an Oracle database and a control method thereof. A multi-platform data acquisition unit is used for collecting original monitoring data of all systems under industrial control. An OPC standard interface is used for receiving the original monitoring data and convert the received data into industrial field data that can be identified by a database. An Oracle industrial standard database is used for storing the data in an associated table manner and processing the data based on an industrial data processing algorithm. The industrial field data and equipment state information are collected to reduced the dispersion degree of the data and eliminate an information transmission barrier; an information operation platform is provided for industrial manufacturing; because the Oracle database has the large data storage capacity, the concurrent operation is carried out frequently and the real-time performance is good; and on the basis of the high data storage and processing capabilities, unified integration of the data, the deep analysis and performance evaluation and prediction of the industrial system become feasible and practical, so that the process equipment efficiency is improved, the maintenance cost is lowered, and the high security requirement is met.
Owner:SHANGHAI MARITIME UNIVERSITY

Locomotive overhaul system and method based on video identification realized by dim light compensated dual cameras

The invention discloses a locomotive overhaul system based on video identification realized by dim light compensated dual cameras. The system comprises an upper monitoring terminal and mobile video acquisition equipment used for acquiring video information of each overhauled object on an overhauled locomotive, wherein the mobile video acquisition equipment comprises a casing, a video shooting device and an electronic circuit board; a data processor, an image synthesis unit and a clock circuit are arranged on the electronic circuit board; the video shooting device is a dual-camera video shooting device comprising a color image acquisition unit, a color image controller, a black-and-white image acquisition unit and a black-and-white image controller. For the black-and-white and color dual cameras, all that is needed is to start a main camera under most shooting scenes, and when an auxiliary camera is started in the dim light environment, the purity of pictures can be improved and the accuracy of image identification is effectively improved. The system has the advantages of simple steps, reasonable design, high overhaul speed and good overhaul effect, and the implementation is convenient.
Owner:XIAN YINSHI TECH DEV CO LTD

Locomotive vehicle intelligent maintenance system and method based on video identification

The invention discloses a locomotive vehicle intelligent maintenance system based on video identification. The system comprises an upper monitoring terminal and a movable video collecting device used for collecting video information of each maintenance object of a maintained locomotive vehicle; the movable video collecting device comprises a shell, a video capture device and an electric circuit board, and the electric circuit board is provided with a data processor, a video collecting unit and a clock circuit. According to the system, the structure is simple, the operation is easy and convenient, the using effect is good, and the maintenance process of the locomotive vehicle can be completed simply, conveniently and rapidly. Meanwhile, the invention further discloses a locomotive vehicle intelligent maintenance method. The method comprises the steps that 1, a maintenance task library is established; 2, the video information of the maintained object is collected, the maintenance records are synchronously uploaded, and the specific process comprises the steps of collecting and synchronously uploading vehicle number video information, identifying the vehicle number video information and collecting and identifying video information of a maintenance area; 3, objects which are left out in maintenance are judged. The method is simple, reasonable in design and convenient to achieve, the maintenance speed is fast, and the maintenance effect is good.
Owner:XIAN YINSHI TECH DEV CO LTD

Locomotive overhaul system and method based on video identification realized by hologram dual cameras

The invention discloses a locomotive overhaul system based on video identification realized by hologram dual cameras. The system comprises an upper monitoring terminal and mobile video acquisition equipment used for acquiring video information of each overhauled object on an overhauled locomotive, wherein the mobile video acquisition equipment comprises a casing, a dual-camera video shooting device and an electronic circuit board; a data processor, an image synthesis unit and a clock circuit are arranged on the electronic circuit board; for the main and auxiliary holographic cameras, all that is needed is to start the main camera under most shooting scenes, when an auxiliary camera is started, multi-angle information of images can be acquired, and multi-angle holographic images are obtained through processing of main and auxiliary images. The system is simple in structure, simple and convenient to operate and good in use effect, can simply and rapidly complete a locomotive overhaul process and has the advantages of simple steps, reasonable design, high overhaul speed and good overhaul effect, and the implementation is convenient.
Owner:XIAN YINSHI TECH DEV CO LTD

RFID (radio frequency identification) firework firecracker flow direction management system and management method

The invention discloses an RFID (radio frequency identification) firework firecracker flow direction management system and management method. The system comprises an RFID electronic tag arranged on a firework firecracker, a high frequency read-write terminal PDA (personal digital assistant) and an information management system platform, wherein product information of the firework firecracker is stored in the electronic tag. The method comprises the steps of acquiring circulation information of the firework firecracker, transmitting the circulation information to the information management system platform to realize management on the firework firecracker. In the invention, a firework firecracker flow direction supervisory system based on RFID and 2D (2-dementional) bar codes is adopted to realize informatization tracking supervision on the whole course of production, marketing, transportation, supervision and destruction of the firework firecracker, and the system has the advantages of good confidentiality, strong anti-falsification performance, convenience and durability, low cost and ultra-distance reading and writing, can be effectively applied to national safety management of firework firecrackers or other related fields and has a wide market prospect.
Owner:朱鸣罡

A staff insurance information management system based on Java EE system architecture

The invention provides a staff insurance information management system of a Java EE-based system architecture. The system comprises a basic information management module, Insurance management module,Reporting management module, Payment management module, Payment management module, Profit distribution management module, Annual fund instruction management module, an archive management module and asystem management module, The background technology framework is realized based on Java EE system architecture, and the database is large in data storage magnitude, high in character string processingefficiency, high in calculation speed, simple in graph and multimedia processing capacity teaching and hashing, simple in database operation, capable of guaranteeing the data safety and capable of well meeting the social insurance service development requirement.
Owner:国网安徽省电力有限公司综合服务中心 +1

Application method of data storage system

The invention provides an application method of a data storage system. The data storage system organizes and stores data in a 'datasheet' mode, wherein, data storage applying the data storage system comprises the following steps: step one: establishing a datasheet; and step two: storing the data to the established datasheet. Compared with the prior art, the invention has the beneficial effects of large data storage amount, simple function, concise working process and higher read-write speed.
Owner:苏州迈科网络安全技术股份有限公司

Injection molding machine capacity acquisition system

The invention relates to the field of information acquisition, and in particular to an injection molding machine capacity acquisition system which comprises a data acquisition device, a processing device, a remote control terminal and a communication device, wherein the data acquisition device is used for acquiring various parameters of an injection molding machine, and environment parameters; the processing device is used for processing acquired data; the remote control terminal is adopted for remote control; the communication device is used for enabling the processing device to communicate with the remote control terminal; the data acquisition device comprises an acquisition card which is connected with an injection molding machine PLC and used for acquiring various data, a calibration module for calibrating an acquisition module, a display for displaying acquired data in real time, buttons for setting parameters of the acquisition card, and a power supply for supplying power. The injection molding machine capacity acquisition system is good in data processing property, high in acquisition precision, good in timeliness, low in operation cost and convenient in large-scale popularization and application.
Owner:东莞市罗数基础工业科技有限公司

Three-way intelligent laser roadway deformation monitoring device and three-way intelligent laser roadway deformation monitoring method

The invention provides a three-way intelligent laser roadway deformation monitoring device and a three-way intelligent laser roadway deformation monitoring method. The three-way intelligent laser roadway deformation monitoring device comprises a distance measuring device, a processor and a fourth laser distance measuring instrument. Deformation of left slopes and right slopes of roadways and deformation of roofs of the roadways can be measured by the distance measuring device; the processor is connected with the distance measuring device. The distance measuring device comprises a first laser distance measuring instrument, a second laser distance measuring instrument and a third laser distance measuring instrument, and the deformation of the left slopes of the roadways can be measured by the first laser distance measuring instrument; the deformation of the right slopes of the roadways can be measured by the second laser distance measuring instrument; the deformation of the roofs of theroadways can be measured by the third laser distance measuring instrument. The fourth laser distance measuring instrument is carried by a motor. The three-way intelligent laser roadway deformation monitoring method includes determining initial deformation thresholds and initial deformation change rate thresholds; measuring the deformation of the left slopes and the right slopes of the roadways andthe deformation of the roofs of the roadways; rejecting singular values in measurement data, solving average values of the remaining data and computing the average values of the measurement data in three directions for each monitoring point. The three-way intelligent laser roadway deformation monitoring device and the three-way intelligent laser roadway deformation monitoring method have the advantages that the three-way intelligent laser roadway deformation monitoring device and the three-way intelligent laser roadway deformation monitoring method are used for measuring deformation of the surfaces of mine downhole roadways or tunnels, deformation data of the roadways can be measured in downhole environments and can be computed and processed to obtain roadway surface deformation data, andaccordingly warning effects can be quickly realized for risks of deformation conditions of the roadways.
Owner:LIAONING TECHNICAL UNIVERSITY

Verification method for e-commerce evidences

The invention provides a verification method for e-commerce evidences, which can more effectively assist in settling the disputes of two trading parties. The method comprises the following steps that an e-commerce platform is established, wherein the platform comprises a server, a client and an evidence preservation and encryption system which are mutually connected via the Internet, and the client comprises a buyer client and a seller client; a notarization mechanism and a notarization server are specially set up, and the evidence preservation and encryption system is arranged on the notarization server; a monitoring program of the notarization server is respectively installed on the buyer client and the seller client; when the client starts up, the monitoring programs synchronously run, and chatting records of a buyer terminal and a seller terminal are synchronously encrypted and transmitted to the notarization server; and the notarization server is connected with a court by butt joint, and only when trading disputes are produced and proceedings are required to be instituted, the court can decrypt and view the chatting records of two trading parties.
Owner:柳州市曼诺人工智能科技有限公司

Multi-sensor automobile racing state information acquisition system

The invention discloses a multi-sensor automobile racing state information acquisition system. The objective of the invention is to solve the problems of functional simplicity, difficult data acquisition and poor data sharing of an automobile racing data acquisition system. The multi-sensor automobile racing state information acquisition system includes a Freescale single-chip microcomputer, a wheel speed sensor, a GPS, an engine ECU, a data acquisition device, a battery and a voltage-regulator chip; the battery and the voltage-regulator chip are connected with the Freescale single-chip microcomputer sequentially; the wheel speed sensor, an acceleration sensor, a rotation angle sensor, a suspension displacement sensor and the GPS are connected with the 5V ends of the Freescale single-chip microcomputer and the voltage-regulator chip; the engine ECU and the data acquisition device are connected with the 12V end of the battery; the signal line of the wheel speed sensor is connected with the pulse counting port of the Freescale single-chip microcomputer; the signal line of the rotation angle sensor and the signal line of the suspension displacement sensor are connected with the AD ports of the Freescale single-chip microcomputer; and the GPS is connected with the UART_TXD serial port and UART_RXD serial port of the Freescale single-chip microcomputer.
Owner:JILIN UNIV

Radio communication type comprehensive power distribution measuring and recording instrument

The present invention is one comprehensive monitoring and recording instrument for power distribution system. The instrument includes ADC, CPU1 as digital signal processor, system clock and parameter memory, program and data memory, peripheral logic circuit I, communication module interface contained to CPU1 and GPRS communication card, which includes CPU2, program memory II, outer logic circuitII, communication interface module, GPRS module and SIM card.CPU2 is connected to CPU1 via the communication module and serial communication interface for data exchange while being connected to GPRS module and SIM module via serial-to-parallel converting module for data exchange. GPRS module is also connected to an antenna for data signal emission via the antenna.
Owner:上海临空瑞华电器有限公司

Supersonic wave soil eolation gathering instrument

The invention relates to an instrument testing the sand deflation quantity.It comprises the supersonic sensor and single chip data collecting counting circuit. The supersonic sensor connects with the single chip data collection counting circuit interface through the conveyer belt. It solves the bigger difference of long term wind force sand theory and real testing value, using this instrument to determine the specific sand conveying rate for resource accumulation. It is small in size, easy for carrying, high in sensitivity, big in measurement scope, storable, checking and deleting testing value.
Owner:COLD & ARID REGIONS ENVIRONMENTAL & ENG RES INST CHINESE

System and method for producing fingerling and breeding fry of tilapia mossambica based on internet of things

The invention belongs to the technical field of fry breeding, and discloses a system and method for producing fingerlings and breeding fries of tilapia mossambica based on the internet of things. Thesystem comprises a temperature detecting module, a salinity detecting module, an oxygen content detecting module, a central control module, a communication module, a server, a mobile terminal, a powersupply module, a sterilizing module, a bait throwing module and a display module. Through the communication module, a unique communication code is used for binding measuring equipment to the mobile terminal, so that one-to-one communication is established between the measuring equipment and the mobile terminal, and the original mode that the equipment and a control terminal are communicated directly is replaced; in this way, binding operation is simpler and more convenient, it is unnecessary to directly perform communicating and pairing on the equipment and the terminal, no distance limit exists, and compatibility is good; management is more convenient when fingerling producing and fry breeding of tilapia mossambica are performed; meanwhile, through the bait throwing module, baits can beautomatically thrown, in this way, the automation degree is high, the demand for accurate bait throwing in fishery industry can be met, and operation is easy and convenient.
Owner:GUANGXI ACADEMY OF FISHERY SCI

VANETs-based bidirectional lane congestion detection and information forwarding method

The invention relates to a VANETs-based bidirectional lane congestion detection and information forwarding method. The VANETs-based bidirectional lane congestion detection and information forwarding method comprises the steps of automatically detection congestion information by a bus, and storing a line pack and congestion information pack; forwarding other congestion segment line packs and corresponding congestion information pack to the bus by other congestion vehicles during the congestion period; sending storage information to a road group head of the lane by the bus; broadcasting the linepack and the congestion information pack to neighbor road group heads in the same direction and opposite direction by the road group head; and forwarding the line pack and the congestion informationpack to a vehicle in a road group by the neighbor road group head, judging whether the line pack is coincided with a self driving line or not by each vehicle, if yes, receiving the road segment congestion information pack and planning a driving line again according to the congestion information, otherwise not receiving the congestion information pack. Compared with the prior art, the road segmentcongestion information can be automatically detected, the bus during congestion is used as a temporary RSU, the road group head in the lane road group is used as a mobile relay, and high-efficiency and reliable transmission of the congestion information can be achieved.
Owner:SHANGHAI UNIV OF ENG SCI
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