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85results about How to "Increase share rate" patented technology

Customized bus route opening optimization method based on real-time demand

ActiveCN109409599AIncrease flexibilityImprove the status quo of low attendanceForecastingTravel modeRoad networks
The invention relates to a customized bus line opening optimization method based on real-time requirements, which comprises the following steps of: establishing a customized bus network system, comprising the selection of a network node, the determination of a network path and the selection of a parking node; customizing the bus line opening conditions, including: real-time demand user informationacquisition and demand response time determination; a method for customize a bus network model and passenger classification comprise that steps of: establishing a spatio-temporal road network, determining a spatio-temporal window of passengers and classify passengers; Initial customization of bus route generation model, including establishing a Route Optimization Model with Minimum Total passenger-Operator Cost; Initial customized bus route generation algorithm is to use column generation algorithm to determine the initial customized bus route; Optimize customized bus routes that have been opened. The invention can greatly improve the flexibility of the customized bus, so that the customized bus has more advantages in the travel mode selection, thereby improving the present situation of low seating rate of the customized bus, and finally improving the share rate of the customized bus travel mode.
Owner:TIANJIN MUNICIPAL ENG DESIGN & RES INST

Community parking stall sharing system and community parking stall sharing method

The invention discloses a community parking stall sharing system and a community parking stall sharing method. The community parking stall sharing system is constituted by a cloud server; a plurality of mobile terminals, a plurality of parking stall terminals, and a plurality of community parking stall sharing display devices, which are respectively in a signal connection with the cloud server. The geomagnetic modules of the parking stall terminals are used for autonomous perception, and accurate identification of vehicles is realized by parking stall state information and the vehicle positioning information of the mobile terminals, and timely repelling of illegal vehicles is carried out, and the unattended supervision of the parking stalls is realized. The cloud server is used for the storage, the analysis, and the publishing of the parking stall information, and the community parking stall sharing display devices are used to display the information of all of the sharing parking stalls of the community dynamically, and the mobile terminals are used for parking stall sharing and parking stall guiding. The parking stall terminals are used to detect the driving-in and the leaving of the target vehicles, and the cloud server is used for charging.
Owner:JIANGSU UNIV OF SCI & TECH

Charge and passenger flow information acquisition method for bus IC (integrated circuit) cards

The invention discloses a charge and passenger flow information acquisition method for bus IC (integrated circuit) cards and belongs to the technical field of transportation. After segmental decreasing rate and the effective time duration of accumulative distance are continuously accumulated by a vehicular terminal according to riding distance, charging by distance is completed by swinging at the moment of boarding and alighting, and data related to boarding and alighting of passengers are uploaded to an information center. Data such as boarding flow, alighting flow, OD (origin and destination) flow and interchange flow on specified time scale are acquired first in real time from the information center terminal according to a specific line, a specific area and an additionally designated traffic zone; the data such as the ratio of passengers ranging from average riding distance to different riding distances and the ratio of passengers ranging from average riding time and different riding times on specified time scale are obtained then in non-real time. Real-time acquisition of bus passenger flow information and continuous acquisition of bus riding feature information are achieved by the method while fairness in public resources consumption is improved effectively, and information base for the fair charge and the related decisions for buses are provided.
Owner:王铎源

Method and system for downloading file by point-to-point network technique based on sliced sheet

The invention discloses a slice-based file download method for point-to-point network technology and a system thereof. The method comprises: when a client carries out point-to-point download, creating and maintaining local record information indicating whether slice contents of a file to be downloaded exist at the current node or not; acquiring record information maintained by dynamic nodes from friendly nodes, wherein the record information indicates whether the slice contents of the file to be downloaded exist in the dynamic nodes or not; in the download process, carrying out real time updating of record information of the current node and the dynamic nodes in the download process; comparing the record information of the current node with the record information of the dynamic nodes, determining friendly nodes containing the slice contents which are not downloaded and sending requests for downloading the data to be downloaded to the friendly nodes; dividing the downloaded file by the slice contents according to the set slice length to obtain parts which represent a slice content each. The invention can use a broadband resource to the maximum degree.
Owner:ZTE CORP

Modularized railway vehicle body

The invention discloses a modular railway vehicle body. The vehicle body comprises a vehicle roof, side walls, a bottom frame, end walls and a cab framework. The roof adopts a full-length arc roof structure; the side wall is of an integral structure or a split structure, and the side wall is mainly composed of a side wall top profile and a plurality of side wall units. Each side wall unit is formed by assembling and welding a plurality of parallel door stand columns and side wall plate sectional materials, and the extending directions of the door stand columns and the side wall plate sectionalmaterials are perpendicular to the side wall top sectional materials. The bottom frame is mainly composed of bottom frame edge beams, floor middle profiles, sleeper beams, traction beams and anti-side-rolling installation bases. The roof and the side walls, the underframe edge beams and the floor edge section bars, and the floor edge section bars and the floor middle section bars are connected through lap joints or butt joint joints. According to the vehicle body, through the design of the top layer, the vehicle body structure and the section bar section are optimized, and the universality and the sharing rate are improved.
Owner:ZHUZHOU ELECTRIC LOCOMOTIVE CO

Multi-hierarchy relationship information management system based on cloud computing and design method thereof

The invention discloses a multi-hierarchy relationship information management system based on cloud computing. The multi-hierarchy relationship information management system based on the cloud computing comprises a cloud service platform and a client. The cloud service platform comprises a physical resource layer used for storing information data of all organization hierarchy units, a processing platform layer used for processing the information data on the physical resource layer, a displaying application layer used for displaying the information data and a management layer used for managing and maintaining the physical resource layer, the processing platform layer and the displaying application layer. According to the multi-hierarchy relationship information management system based on the cloud computing, a mode of one longitudinal layer and three transverse layers is provided and used for supporting the whole multi-hierarchy organization structure, and the whole system is made to meet requirements for 'one base, one platform, and one network' due to the fact that the multi-hierarchy relationship information management system based on the cloud computing is established. In addition, rich cloud computing abilities and a friendly user interface are provided, and the purpose that mass information is obtained from the interior of an organization, applied to the interior of the organization and analyzed by the interior of the organization is achieved. Therefore, safety performance and the information sharing rate of the system are improved, resources are utilized efficiently, and requirements that information is more integrated, supervision is more strict and decision-making is more convenient are met.
Owner:CHONGQING UNIV

Vehicle control method and system

ActiveCN105539364AAdd vehicle virtual keyIncrease car sharing rateAnti-theft devicesEmbedded systemAuthorization
The invention discloses a vehicle control method and system and belongs to the fields of vehicles and communication. The method comprises the steps of establishing a bluetooth connection with a vehicle to be controlled through a first mobile terminal, and receiving a first verification message sent by the vehicle to be controlled through the bluetooth connection; then comparing a second verification message with the first verification message, and if the second verification message and the first verification message are the same, sending a first temporary authorization code to the vehicle to be controlled through the bluetooth connection, wherein the vehicle to be controlled receives the first temporary authorization code through the bluetooth connection; and comparing a second temporary authorization code with the first temporary authorization code, and if the second temporary authorization code and the first temporary authorization code are the same, controlling at least one control lock contained in the vehicle to be controlled to unlocked or locked. By means of the vehicle control method and system, the problem that a vehicle cannot be controlled without a vehicle key is solved; and the effects of increasing the number of virtual vehicle keys and improving the sharing rate of the vehicle are achieved.
Owner:CHERY AUTOMOBILE CO LTD

Customized bus pricing method considering system optimization

The invention discloses a system-optimized custom public transport pricing method, which comprises the steps of: obtaining planning basic data; respectively establishing generalized travel cost functions of conventional public transport, customized public transport and cars; establishing a lower layer according to the equilibrium condition of a multi-mode traffic network, etc. The multi-mode stochastic user balance model of price, and consider the optimal model of the system to establish the upper model, so as to build a two-level programming model to describe the customized bus pricing problem under the optimal situation of the system; The planning model is solved to obtain the optimal pricing of customized public transport under the optimal condition of the system. Compared with the previous traditional pricing mode, the present invention is more scientific, can effectively reduce the total cost of the system, attract travelers to travel by public transport through scientific pricing, can effectively increase the share rate of public transport, and reduce the share rate of cars.
Owner:SOUTH CHINA UNIV OF TECH

A customized bus route optimization method for reliability shortest path

ActiveCN109447340ASatisfy high service punctuality requirementsIncrease share rateForecastingRush hourRoad networks
The utility model relates to a customized bus route optimization method for reliability shortest path, which comprises the following steps of establishing a road network, comprising establishing a spatio-temporal network and a reliability network; determining the passenger relaxation time window; determining the scope of service; calculating whether a passenger can be serviced by the opened vehicle k; finding the shortest path of reliability; opening the customized new bus routes. The invention discloses a custommized bus line optimization method for reliability shortest path, which can efficiently and quickly deliver passengers to a destination under the condition of satisfying passenger travel. Due to the delays caused by traffic congestion during the morning and evening rush hours of customized buses, the invention creatively proposes a method for searching the shortest path of reliability, which avoids the delay caused by driving, improves the stability and reliability of vehicle operation, meets the requirement of high punctuality of customized bus service by commuters during morning and evening rush hours, and finally improves the share rate of customized bus service.
Owner:TIANJIN MUNICIPAL ENG DESIGN & RES INST

Service chain parallel deployment method and device based on deep reinforcement learning

The invention discloses a service chain parallel deployment method and device based on deep reinforcement learning, and the method comprises the steps: carrying out the mathematical modeling of an offline service chain deployment problem, so as to obtain a mathematical formula of the service chain deployment problem; selecting a placement server position for the shared VNF in all the service chains according to the mathematical formula, and selecting the server position of the shareable VNF through the DQN in deep reinforcement learning to generate a plurality of sub-service chains; and connecting the plurality of sub-service chains into a complete service chain through a shortest path principle, and selecting to deploy a server for the VNF without the appointed placement position. According to the method, the problem that the VNF in the service chain is ignored due to serial deployment and the unreasonable distribution is caused by the correlation between the service chains is solved,the sharing rate and the utilization rate of resources are effectively improved, deep reinforcement learning is adopted, and the calculation complexity is reduced.
Owner:BEIJING UNIV OF POSTS & TELECOMM +1

Online assessment system based on government big data sharing application platform

The invention provides an online assessment system based on a government big data sharing application platform, and belongs to the technical field of computers. Based on the problem that data sharing is not timely in cooperation of all the government departments due to various reasons, the assessment system based on the government big data sharing application platform comprises an assessment management module which is used for adding assessment objects, formulating assessment indicators and formulating assessment templates for the assessment objects; a performance assessment module which is used for generating performance reports and assessment forms from the assessment templates of the assessment objects and providing the assessment indicators for generating the performance reports and the assessment form; my assessment module which is used for displaying and modifying the performance report of the login assessment object and displaying the assessment indicators related to the performance report; and a basic management module which is used for managing basic information used by the three modules and completing communication between the three modules and the government big data sharing application platform. Timely effectiveness of the sharing data can be ensured by the online assessment system based on the government big data sharing application platform.
Owner:浪潮卓数大数据产业发展有限公司

Novel off-grid/grid-connected integrated solar power generation system and control method

The invention provides a novel off-grid / grid-connected integrated solar power generation system. The solar power generation system can meet the requirements of a user on the off-grid or grid-connected running of a solar energy power system, and also has the capability of realizing the multifunctional application of storing and backing up the peak power of an external power grid. The solar power generation system is characterized in that: a control system of the solar power generation system controls the solar power generation system to run in any mode such as an off-grid mode, a grid-connected mode and the like. The invention also provides a control method for the solar power generation system. The control method comprises the following steps that: a system operating mode manager selects the off-grid operating mode or the grid-connected operating mode of the system, and a logic control unit controls the working conditions of a power input orientation driver, a power generation and energy storage driver and a power output orientation driver according to the power load condition feedback of a solar panel, an inverter, a storage battery charging controller and a storage battery matrix, thereby realizing the running of solar energy power-based charging energy storage and power generation output of the whole solar power generation system in the operating mode such as the off-grid operating mode, the grid-connected operating mode and the like.
Owner:ZHENFA ENERGY GRP

City streetcar, BRT and conventional bus transit network traffic allocation method and transfer junction determining method

The invention discloses a city streetcar, BRT and conventional bus transit network traffic allocation method and transfer junction determining method. The city streetcar, BRT and conventional bus transit network traffic allocation method and transfer junction determining method is characterized in that on the basis of fixed public transportation passenger flow OD and a known city streetcar, BRT and conventional bus transit network, the traffic among all traffic zones are allocated one by one according to the bidirectional traffic magnitude, from large to small, of the traffic zones, the traffic is allocated to the bus transit network with a shortest route algorithm, the transfer amount of each node is calculated, and transfer junction positions and levels are determined according to the transfer amount. The city streetcar, BRT and conventional bus transit network traffic allocation method and transfer junction determining method is mainly used for macroscopic public transportation transfer junction arrangement, the requirement that most travelers travel according to the shortest routes is satisfied, the attraction of large-capacity public transportation manners to the travelers is increased, and public transportation travelling efficiency is increased.
Owner:SOUTHEAST UNIV

Pull-up test counting method and system based on Quick-OpenPose model

The invention discloses a pull-up test counting method and system based on a Quick-OpenPose model. The method comprises the following steps: entering a student number authentication module; a pull-upcamera on the tester continuously shoots a test image of a tester to obtain an image, a human body posture recognition module is used for recognizing the posture, and when it is found for the first time that the distance between a wrist detection point and a horizontal bar in a certain frame of image is within a threshold range, the frame is set as a starting frame; when it is recognized that themoving posture meets the threshold value requirement, cumulative counting is conducted; if the human body posture is recognized to have a serious error, the error prevention module interrupts the detection process, returns to wait for restarting and performs voice broadcast; if it is recognized that the moving posture does not reach the standard, voice broadcast is conducted as well, recognition is not interrupted, and the action is not counted; when detecting that the wrist leaves the horizontal bar, ending the test; and the counting module calculates the final effective pull-up test countingscore of the tested person and carries out voice broadcast. The method is high in detection speed and high in efficiency, the parameter sharing rate is increased, and the model redundancy is reduced.
Owner:NANTONG UNIVERSITY

Multi-size multi-power platform vehicle body structure and platform vehicle with the same

PendingCN111017036AHigh energy storageResistance to side impact impactUnderstructuresSuperstructure subunitsHybrid typeFuel oil
The invention provides a multi-size multi-power platform vehicle body front wall floor structure, a multi-power multi-size platform vehicle body structure and a multi-power multi-size series platformvehicle. The power types comprise pure electricity, hybrid power and fuel oil. A middle floor, a seat cross beam and a threshold beam inner plate are shared. A front wall under-floor structure is configured according to requirements of a power energy storage and dissipation system. The floor is tiled, and the seat cross beam is communicated left and right. A front wall curved surface of the pure electricity type is flat and smooth, a front wall lower cross beam communicated in a left and right mode is arranged below the plate and hard points are additionally installed and hung. In order to avoid the exhaust system, the middle of the front wall of the hybrid type protrudes backwards, a floor longitudinal beam is in lap joint with a longitudinal beam and extends inwards and backwards, the torque box cover plate is supplemented, and the area is integrated to share hard points. And the fuel oil plate supplements a seat cross beam below the floor. The seat cross beam and the B column can move forwards and backwards, a torque box cover plate is supplemented, and shared hard points of the area are integrated. According to the fuel oil type, a seat cross beam under a floor is supplemented.The seat cross beam and a B column can move back and forth in a middle uniform-section area, so that the man-machine requirements of high-low vehicles and large and small vehicles for the driving position are met. Meanwhile, the floor and the doorsill beam can extend, retract or increase or decrease structures with uniform sections to increase or decrease the size of the passenger compartment, and one or more rows of seat cross beams can be additionally arranged on the extended vehicle body to increase the riding positions.
Owner:吴春涛

Two-level game-based micro grid optimal and elastic energy trading method and system

The invention provides a two-level game-based micro grid optimal and elastic energy trading method and a system and relates to the technical field of the micro-grid technology. According to the technical scheme of the invention, a non-cooperative game model is established according to a user terminal, and then the load strategy of the non-cooperative game model, corresponding to the user terminal, is optimized and scheduled. In this way, a first load strategy is obtained. According to the first load strategy, the roles of the micro-grid are determined. The roles of the micro-grid include a micro-grid the seller and a micro-grid buyer. A multi-master and multi-slave stackelberg game model is established between the micro-grid the seller and the micro-grid buyer. According to the multi-master and multi-slave stackelberg game model, the energy trading strategy of the micro-grid seller is optimized and scheduled, so that a first energy trading volume strategy is obtained. According to the multi-master and multi-slave stackelberg game model and the first energy trading volume strategy, the buying strategy of the micro-grid buyer is optimized and scheduled, so that a first buying strategy is obtained. According to the technical scheme of the invention, the earnings of the micro-grid, the utilization rate of the energy, and the sharing rate of the energy are improved.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA ZHONGSHAN INST

Driving assistant device and driving assistant method

InactiveCN110070736AReduced total cost to societyLow total social costArrangements for variable traffic instructionsTime informationInformation processing
The invention belongs to the technical field of intelligent driving, and discloses a driving assistant device and a driving assistant method. The device comprises a conventional information processingmodule (M1), an instant message acquisition module (M2), an event information processing module (M3) and an information projection unit (1); the conventional information processing module (M1) is suitable for presetting conventional display information and updating time, and projecting the conventional display information on a road through the information projection unit (1) when the updating time is satisfied; the instant message acquisition module (M2) is suitable for collecting real-time traffic information; and the event information processing module (M3) is suitable for performing priority comprehensive ordering for the conventional display information and the real-time traffic information, projecting the information with high priority on the road through the information projection unit (1), and adding the information with high priority to the previously projected conventional display information or substituting the previously projected conventional display information. With thedevice and the method provided by the invention, social total cost of the driving assistant device can be reduced, driving assistant information utilization rate is improved, and driving safety and driving efficiency are improved.
Owner:HASCO VISION TECHNOLOGY CO LTD

Unmanned shuttle bus and intelligent networking service system thereof

The invention discloses an unmanned shuttle bus and an intelligent networking service system of the unmanned shuttle bus, and the unmanned shuttle bus comprises a bus body, an automatic pilot system,a new energy power supply system, an intelligent vehicle terminal and a wireless communication end, wherein the unmanned shuttle bus further comprises a video call system and a passenger identity identification module; the intelligent networking service system of the unmanned shuttle bus comprises a client mobile terminal application APP, an intelligent vehicle terminal of the unmanned shuttle bus, fixed shuttle station and terminal of the unmanned shuttle bus, a could server and an attendant center, wherein the intelligent networking service system further comprises a wireless communication network of the service system. The implementation of the technical solution can give play to the capacity of urban road space to the utmost extent, significantly improve traffic congestion in cities, create richer passenger travel service scenes, and provide various efficient, convenient, personalized and scenarized brand new riding experience for the passengers.
Owner:赵跃

Peer-to-peer streaming media living broadcast system and data transmission method therefor

The invention discloses a peer-to-peer streaming media living broadcast system and a data transmission method therefor. The system comprises a data source server, an index server, and a plurality of client nodes which are distributed in N horizontal levels. One or more data compensation servers are deployed in every horizontal level or many of the horizontal levels The client nodes in the first level acquire content data of a streaming media program from the data source server and provide the content data for the one or more client nodes in the second level, the client nodes in the kth level acquire the content data from the client nodes in the (k-1)th level and provide the content data for the one or more client nodes in the (k+1)th level, and the client nodes in the Nth level acquire the content data from the client nodes in the (N-1)th level. The client nodes acquire the content data from the corresponding data compensation server when the client nodes can not acquire the content data from the data source server or the client nodes in the previous level. According to the invention, source nodes of data required by nodes can be positioned quickly, network congestion is avoided, and network stability is improved.
Owner:CHINA TELECOM CORP LTD

Live broadcast system in peer-to-peer network, and node management method

The invention discloses a live broadcast system in a peer-to-peer network. The live broadcast system comprises at least one node and a first server, wherein the first server is used for establishing a connection between the nodes, so that the nodes share node information; and the node is provided with an evaluation module and an elimination module, and the evaluation module calculates and analyzes a health value of the node according to the node information and feeds back the health value to the elimination module so as to select to continue to use or eliminate the evaluated node. According to the live broadcast system provided by the invention, the node with poor quality can be quickly screened and eliminated from numerous nodes, the nodes with good quality are connected to improve the sharing rate of the peer-to-peer network, and thus the user experience is improved.
Owner:CHINANETCENT TECH

Video display method, virtual player and video player

The invention discloses a video display method, a virtual player and a video player, and belongs to the technical field of network communication. The method comprises the following steps: acquiring video data to be displayed from the video player with a video server and analyzing the video data to be displayed in a buffer zone with the a video server, so as to obtain a time stamp of the video data to be displayed; comparing the time point indicated by the time stamp of the video data to be displayed with a video display time point, recorded by the virtual player, of the video player; determining whether to send the video data to be displayed to the video player for display or not according to the comparison result. The virtual player comprises a receiving module, an acquisition module, an analyzing module, a comparing module and a determining module. According to the invention, the stacking of local data in the video player can be avoided effectively, so as not to occupy the memory space of the video player unnecessarily.
Owner:LETV CLOUD COMPUTING CO LTD

CADDS5 piping three-dimensional design method and system based on database

ActiveCN103699746ASimple structureSimplify the work of building a databaseSpecial data processing applications3D modellingPipe fittingLoad model
The invention discloses a CADDS5 piping three-dimensional design method and system based on a database and relates to the field of three-dimensional design and digitized shipbuilding. The method includes: building the database, using JAVA to realize database access and data storage of pipeline, pipe fitting and valve models; building a CVMAC service and a JAVA socket service, realizing CADDS5 and ORACLE database communication, loading model data into CADDS5 to automatically generate models, and storing the models in the database in a data manner; building a pipe plotting manner using the data in the database as the data source, loading pipe fitting data from the database, and respectively generating pipe part drawings and pipe mounting drawings; using a JAVA serialization and deserialization mechanism to record pipeline data in a file manner so as to realize the return operation of pipeline data. By the method, modeling and plotting efficiency can be increased, drawing and model consistence is guaranteed, and design cycle is shortened.
Owner:WUCHANG SHIPBUILDING IND

A multi-modulation format compatible high-speed laser signal phase-locked-free receiving system and method

The invention relates to a multi-modulation format compatible high-speed laser signal phase-locked-free receiving system and method, which can greatly improve the communication system compatibility atthe relay node of the prior laser communication network and save the price and resource cost of system performance upgrading. The system comprises a control instruction unit, a low noise high gain optical amplifier, an optical switch, a filter, an optical delay interferometer I, an optical delay interferometer Q, a first balance detector, a second balance detector, an inverse code switching unit,a parallel-to-serial conversion unit and a data processing unit. The control instruction unit is connected with the optical switch, the inverse coding switch unit and the parallel-serial conversion switch unit. The low-noise high-gain optical amplify is connected with an optical switch. The optical switch is respectively connected with the first balance detector and the second balance detector through a filter, an optical delay interferometer I and an optical delay interferometer Q; The first balance detector and the second balance detector sequentially pass through the inverse coding switchunit, the parallel-serial conversion unit and the data processing unit, and output an electric signal.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI

Remote rehabilitation system based on internet

The invention discloses a remote rehabilitation system based on internet. By utilizing a server and a network technique to establish an application management background and adopting the modes of http and ftp to upload files to store in a hard disk of the server, when a front-end APP / website reads file data, the file data are downloaded or played through network communication, and transmitted to an impedance matcher through Bluetooth or a wired mode for application. The remote rehabilitation system based on the internet edits different current waveform with low and medium frequency for medical use into electric prescriptions applicable to nursing of sub-healthy groups, and transmits the electric prescriptions to a computer server information platform; the internet and internet-based physical rehabilitation mobile APP software are utilized, and based on the actual demands of a customer, the optimized electric prescription suitable for the customer's conditions is selected after assessment of the APP; the optimized electric prescription is received by the Bluetooth of an information conversion device, and conducted on acupoints or injured portions of the human body through medical terminal equipment to achieve the effect of nursing and treating, and therefore the experiences and comfort degrees of the customer are improved, and the nursing effect for the sub-healthy groups is improved.
Owner:重庆锦垚生物科技有限公司

A client data request optimization method and system in P2P order

The invention discloses an optimized method and a system for data requests from client terminals in P2P play; wherein, the data window required in the P2P play is divided into a service window, an emergency window and a prefetch window, in the P2P play, the data to be requested in the emergency window applies to a server of film source; in the P2P play, when a data block to be requested in the prefetch window is scanned, the invention preferentially requests other client terminals, if all the other client terminals don't have the data to be requested, then the invention applies to the server of film source for prefetch according to the label of the data block to be requested. The invention can assure that most of data at the client terminals is requested from other client terminals, and thereby greatly increasing sharing ratios among the client terminals, and effectively decreasing the pressure of the server.
Owner:ZTE CORP

Peer-to-peer network live streaming system and node management method

The present disclosure provides a peer-to-peer network live streaming system, comprising at least two nodes and a first server. The first server is used to establish a connection between the nodes to enable the nodes to share node information. At least either of the nodes is configured with an evaluation module and a purging module. The evaluation module calculates and analyzes a health value for the corresponding connected node based on the node information, and feeds the result to the purging module to determine whether to continue to use or purge the evaluated node.
Owner:CHINANETCENT TECH

Shared bicycle scheduling method based on deep reinforcement learning

ActiveCN113326993ASolve the short-term problem of sharing bicyclesSolving long-term scheduling optimization problemsGeometric CADInternal combustion piston enginesRoad networksDistributed computing
The invention discloses a shared bicycle scheduling method based on deep reinforcement learning, and the method comprises the following steps: S1, dividing a scheduling region of a shared bicycle, obtaining a scheduling region unit, and determining an operation environment variable of the shared bicycle; S2, determining a scheduling variable of the shared bicycle; S3, constructing a bicycle scheduling optimization model of the shared bicycles; S4, on the basis of the bicycle scheduling optimization model of the shared bicycles, constructing a shared bicycle scheduling framework by using a mean field theory, and completing the scheduling of the shared bicycles by using the shared bicycle scheduling framework. The shared bicycle scheduling optimization method based on reinforcement learning provided by the invention is beneficial to intelligently solving the problem of short-term and long-term scheduling optimization of shared bicycles in a large-scale road network in a random and complex dynamic environment. The method considers the supply and demand change of the environment and the interaction influence between the scheduling decision and the environment in the future time, does not need to predict the demand in advance or carry out manual data processing, and is not influenced by the demand prediction calculation efficiency and accuracy.
Owner:SOUTHWESTERN UNIV OF FINANCE & ECONOMICS

Method and device for adjusting root node in peer-to-peer network live broadcast system and storage medium

ActiveCN109951723AIncrease share rateSolve the problem that the adjustment of the root node cannot be realizedSelective content distributionPeer-to-peerBroadcast system
The invention discloses a method and a device for adjusting a root node in a peer-to-peer network live broadcast system. According to the method, the root node up-regulation quantity and the root nodedown-regulation quantity are determined by acquiring the total number of forced subscription sub-streams and the total number of idle sub-streams within the first time length, so that a plurality ofroot nodes in the P2P live broadcast system are regulated according to the root node up-regulation quantity and the root node down-regulation quantity. Namely, the CDN server does not need to select the root node according to the number of the root nodes of each substream. According to the method and the device, the problem that the root node cannot be adjusted when the video stream pushed by theCDN server is the FLV format video stream in the prior art is solved, so that the sharing rate when the CDN server pushes the FLV format video stream is effectively improved.
Owner:GUANGZHOU HUADUO NETWORK TECH

Check information acquisition methods and devices, resource information checking methods and devices, resource publishing methods and devices, and electronic equipment

The embodiment of invention provides resource check information acquisition methods and devices, resource information checking methods and devices, resource publishing methods and devices, and electronic equipment. One resource checking method comprises the following steps: receiving a resource download request sent by a request node, comparing first interval information in the request with interval range of each block resource contained in a to-be-downloaded resource searched in a local storage unit, and determining a first block source with overlapping interval with the first interval information; performing checking computation on each first block source by adopting a preset checking algorithm to obtain a third checking value; comparing each third checking value with the checking valuecorresponding to the same block source in the block checking information stored in a local information base; if each third checking value is same as the checking value corresponding to the same blocksource, sending a resource part corresponding to the first interval information in the corresponding block resource to a request node. Through the scheme provided by the embodiment of the invention, the block checking can be performed on the shared resource in the P2P network, thereby improving a sharing rate of a resource file.
Owner:ALIBABA GRP HLDG LTD
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