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Data access method and uniform resource locator (URL) server
The embodiment of the invention discloses a data access method and a uniform resource locator (URL) server used for improving the reliability, performance and extendibility of a network file system. The data access method comprises that: a first URL server receives a data access request carrying a URL address transmitted by a user; if the first URL server determines that the resource pointed by the URL address is stored in the first URL server, corresponding read-write operation is executed on the resource according to the data access request; and if the resource is not stored in the first URL server, a second URL server where the resource pointed by the URL address is positioned is queried, and the data access request is forwarded to the second URL server, so that the second URL server executes corresponding read-write operation on the resource according to the data access request. The embodiment of the invention also provides a URL server. The data access method and the URL server can effectively improve the reliability, the performance, and the extendibility of the network file system.
Owner:CHENGDU HUAWEI TECH
Two-dimensional code navigation based logistics delivery system and delivery method thereof
InactiveCN105574695ACoordinationAvoid unexpected situationsCo-operative working arrangementsLogisticsData transmissionCode navigation
The invention discloses a two-dimensional code navigation based logistics delivery system and a delivery method thereof. The logistics delivery system comprises an intelligent vehicle, a vehicle-mounted cellphone and a Windows monitoring platform which form a local area network and are communicated by using a WIFI technique, wherein duplex exchange data is carried out based on a TCP / IP communication protocol, the control of the intelligent vehicle adopts a singlechip, and the singlechip is communicated with the vehicle-mounted cellphone and the Windows monitoring platform through a WIFI transmission module. The logistics delivery system has the advantages that the three platforms of the vehicle-mounted platform, the singlechip and the Windows monitoring platform are integrated, cross-platform data transmission and intelligent vehicle control are perfectly fulfilled; a two-dimensional code technology is first used for storing positional information of the vehicle and controlling shipping of the vehicle, the positional information of the vehicle is rapidly recorded and also restored by 100%, and an important guarantee is provided for rapidly and accurately judging the position of the intelligent vehicle.
Owner:XIAN UNIV OF SCI & TECH
Optical fiber Ethernet intelligent branching unit switching method based on FPGA
InactiveCN104009867AMaintain stabilityOvercome the shortcomings of a single technology applicationData switching networksComputer scienceEthernet
The invention discloses an optical fiber Ethernet intelligent branching unit switching method based on an FPGA. The method includes the following steps that first, the current working state of an optical fiber Ethernet intelligent branching unit is set to be a main-use link state K2; second, when a main-use device breaks down or the bit error rate of the optical fiber Ethernet intelligent branching unit exceeds a set threshold value, the third step is executed, and otherwise, the first step is executed; third, the working state of the optical fiber Ethernet intelligent branching unit is switched to be a standby link state K3 through an active switching mode or a passive switching mode; fourth, when faults of the main-use device are removed and the bit error rate of the optical fiber Ethernet intelligent branching unit is within the set threshold value range, the current working state of the optical fiber Ethernet intelligent branching unit is switched to the main-use link state K2 from the standby link state K3; fifth, the first step, the second step, the third step and the fourth step are repeatedly executed. The method has the advantages that the stability of key network equipment can be maintained, and the defects in an original single technology application are overcome.
Owner:SOUTH CHINA UNIV OF TECH
System and method for self-isolating abnormal battery
ActiveCN105552460ANot paralyzedEasy to useCells structural combinationBattery overvoltage protectionComputer moduleEngineering
The invention provides a system and a method for self-isolating an abnormal battery. The system comprises a switch control module, a battery detection module, a data analysis module and at least two switch battery modules, wherein each switch battery module comprises an isolating switch, a main loop switch and a battery; each main loop switch is connected with the corresponding battery in series; each isolating switch is connected with a series line which comprises the corresponding main loop switch and battery in parallel to form one switch battery module; the switch battery modules are connected with one another in series; the battery detection module is connected with the batteries and the data analysis module respectively; and the switch control module is connected with the main loop switches, the isolating switches and the data analysis module respectively. The problem that a whole traditional battery pack cannot further work and can only be maintained or recycled due to the problems in the aspects of the lifetime time and the like of one battery is solved.
Owner:CONTEMPORARY AMPEREX TECH CO
System and method for structure health monitoring based on block chain technology and smart contract
PendingCN111125468AGuarantee safe and reliableSolve the problem of mutual mistrustData processing applicationsOther databases browsing/visualisationOriginal dataData acquisition
The invention provides a system and a method for structural health monitoring based on a block chain technology and a smart contract. The system comprises a data acquisition module, a data temporary storage and transmission module, a data analysis module and an intelligent monitoring module; the data acquisition module comprises a sensor and a digital camera which are arranged on a building structure, and the sensor and the digital camera are used for acquiring original data; the data temporary storage and transmission module comprises a local gateway, and the local gateway is in wireless connection with the data acquisition module and the data analysis module; and the data analysis module comprises a block chain network system and the health monitoring smart contract deployed in the blockchain network system. The information among the participants is accurate, efficient and shared, and the operation efficiency of the whole system is improved from the perspective of data management and application. The structure health monitoring system is effectively prevented from being paralyzed under the condition of a server fault or a network fault.
Owner:TIANJIN UNIV
Charging-discharging control circuit of vehicular power battery pack
InactiveCN102624065AFast chargingLarge capacityBatteries circuit arrangementsElectric powerPower batteryFast charging
The invention discloses a charging-discharging control circuit of a vehicular power battery pack, which at least comprises a flexible connection battery pack module 1, a data acquisition module 2 and a control module 3, wherein the flexible connection battery pack module 1 at least comprises a battery unit and a flexible connection unit. The charging-discharging control circuit disclosed by the invention realizes switching of single battery connection modes of the vehicular power battery pack under the charging and discharging conditions; when the vehicular power battery pack is charged, all single batteries are charged in a series connection mode, therefore low-current fast charging under high voltage is realized easily, and the charging speed is improved; when the vehicular power battery group is in a discharging state, the single batteries are connected in parallel and then connected in series, and thus the fault rate of the whole battery pack system is reduced; and the control circuit disclosed by the invention can ensure that the consistency of the single batteries in the battery unit is kept well, the optimal property of each single battery is expressed, the battery volume is fully utilized, the life of the battery pack is prolonged, and favorable practical application value is achieved.
Owner:GUANGXI UNIV
Write-operation process method, system and apparatus of FLASH
ActiveCN101178678ANot paralyzedRedundant operation error correctionInterrupt handlerComputer engineering
The invention discloses a FLASH writing operation processing method, system and equipment, including: before performing the writing operation on the FLASH, backing up the data to be rewritten in the FLASH; after completing the writing operation on the FLASH, initiating an interrupt request; After receiving the interrupt request, enter the interrupt processing, and judge the legality of the write operation according to the write operation record; when determining that the write operation is legal, exit the interrupt processing, and when determining that the write operation is illegal, according to the backup Restore the overwritten data. By using the invention, when it is determined that the write operation is illegal, the rewritten data can be restored, so that even if a wrong write operation occurs, the system will not be paralyzed due to wrong modification.
Owner:BEIJING ZHIGU RUI TUO TECH
Field bus communication method based on RS485 interface
InactiveCN108650159AReliable communicationFlexible connectionStar/tree networksBus networksInterference resistancePrimary station
The invention discloses a field bus communication method based on a RS485 interface. A main station is built with an ARM microcontroller and an FPGA hardware platform; the main station is in a communication connection with a slave station through a RS485 bus; the main station has a main station application layer, a main station data link layer and a main station physical layer; the main station application layer is used for calling a program of a Linux driving layer through an API function; the main station application layer is in a communication connection with the main station data link layer through a GPMC bus; the data link layer is in a communication connection with the main station physical layer through a bus; and the main station physical layer is used for transmitting a signal byadopting a RS485 interface converting chip. Through adoption of the field bus communication method, real-time and reliable communication in the field of automatic control can be met. The field bus communication method has the characteristics of flexible connection manner, understandable control strategy, simple underlying driving, high interference resistance and the like.
Owner:佛山金皇宇企业孵化器有限公司 +1
PBT network flow control method and apparatus
InactiveCN101159696AEnsure safetyNot paralyzedError preventionData switching by path configurationNetwork structureElectrical and Electronics engineering
The invention relates to a PBT network flow control method. The PBT network comprises a source PBT equipment and at least two destination PBT equipments, which are respectively backups of the other one. The method comprises configuring the link between the source PBT equipment and one destination PBT equipment as the working link; and configuring the link between the source PBT equipment and the rest of PBT equipment as the protection link. When the working link and the destination PBT equipment connected with the working link are normal, the flow is transmitted through the working link. When the working link or / and the destination equipment connected with the working link fails / fail, the flow is switched to the normal protection link. The invention adopting a PBT network structure with the same source and hetero-sink can ensure the network safety. Corresponding to the method, the invention also provides a PBT network flow control device.
Owner:NEW H3C TECH CO LTD
Method of video recording document storage and data recovery of digital hard-disc video recorder and system thereof
ActiveCN102385610AImprove securityImprove search efficiencyRedundant operation error correctionSpecial data processing applicationsRecovery methodVideocassette recorder
The invention relates to security fields and discloses a method of video recording document storage and data recovery of a digital hard-disc video recorder and a system thereof. A data document area and a summary information area are pre-arranged on a hard disc, the data document area comprises a plurality of pre-established data documents, each data document comprises index information and video recording data, and the summary information area comprises at least one B+ tree. The index information of the data documents is dispersed by means of abrasive balance characteristics of B+ tree structure operation so as to reduce the rate of hard-disc faults, eliminate hotspot areas, guarantee completeness and order of all the data documents and summary information of the video recording documents in the B+ tree of the summary information area, and accordingly ensure correctness of the video recording documents of the digital hard-disc video recorder and provide a recovery method of complete data. The system can not be broken down by single-point faults.
Owner:HANGZHOU HIKVISION DIGITAL TECH
Enclosure protection system
ActiveCN103883159AExcellent environmental resistanceEasy construction and maintenanceFencingBurglar alarmEngineeringSignal processing
The invention discloses an enclosure protection system which comprises an enclosing and protecting unit and an invading monitoring unit, wherein the enclosing and protecting unit comprises a fence or a barrier which is arranged at the periphery of the area to be protected, and the invading monitoring unit comprises a passive optical fiber which is arranged on the enclosing and protecting unit in the circumference direction and / or is buried under the ground at the outer periphery of the enclosing and protecting unit. According to the design, the passive optical fiber is applied to monitor the outside invasion, and invasion mode and position are recognized to conduct systematic warning and real time alarm. Through the monitoring mode of the passive optical fiber, higher accuracy can be achieved in the large monitoring area or the long liner monitoring area, the optical fiber is excellent in environment resistance, monitoring accuracy is not affected by stormy weather and other severe environments, even cut off by an invader, the system is still capable of continuously providing effective alarm ability and will not fall into a paralyzed state, an external power, a repeater, a signal processor and other devices are not needed, and construction and maintenance are convenient and fast.
Owner:ZHANGJIAGANG GOLDNET FENCING SYST
Industrial uninterruptible power supply
InactiveCN102780263AImprove operational reliabilityNot paralyzedEmergency power supply arrangementsPower inverterInductor
An industrial uninterruptible power supply comprises a bypass system, and a first mainframe and a second mainframe identical in structure, wherein a filter, a first input isolation transformer, a pulsed rectifier, an inverter, an inverter transformer and a first static switch, which are connected with each other in sequence, are arranged in the first mainframe; a second static switch is also arranged in the first mainframe; the output end of the first static switch is connected with the output end of the first static switch; the nodes of the pulsed rectifier and the inverter are connected with the cathode of a blocking diode; the anode of the blocking diode is connected with one end of a reflected noise eliminating inductor; the bypass system includes a second input isolation transformer and a voltage stabilizer connected with each other in sequence; and the output end of the voltage stabilizer is connected with the output end of the first static switch, and with the input end of the second static switch. The industrial uninterruptible power supply provided by the invention has at least one advantage to improve the running reliability of equipment.
Owner:武汉中正方圆科技有限公司
Air Ad hoc network topology awareness and maintenance method
InactiveCN103369579AStrong invulnerabilityImprove securityNetwork topologiesTopology controlDistributed computing
The invention discloses an air Ad hoc network topology awareness and maintenance method, and mainly solves the problems that the network robustness is poor, the network is likely to fall into disorder after a center control node is failed, and multiple center control nodes appear in segmentation and combination processes of topology, in an air Ad hoc network topology control method. The implementation process of the air Ad hoc network topology awareness and maintenance method is as follows: all nodes access the network to obtain position information of other nodes; after any node exits from the network, other nodes can delete the information of the exited node in time; when the network runs regularly, only one center control node exists, after the center control node exits from the network, one node which firstly detects the information about exit of the center control node starts to compete for the identity of new center control node, the node with smallest IP of all the nodes in the competition finally becomes the new center control node; in the process that the network topology is segmented or combined, each independent network maintains one center control node. The method improves a topology control function of an air Ad hoc network, and can be used for network topology awareness and maintenance of the air Ad hoc network.
Owner:XIDIAN UNIV
Distributed scheduling communication device
InactiveCN101426055AReasonable structureLow configuration and operating costsSpecial service for subscribersModularityInterface circuits
The present invention discloses a distributed scheduling communications device, which includes unit modules and an external transmission bus, wherein, the external transmission bus is connected to each unit module, the unit module is the smallest independently operated intelligence control terminal module, and is the minimized independently operated all-digital program-controlled scheduling telephone switch. The unit module includes an external bus adaptation interface, a program controlled processor, a timing control circuit, a data memory, a program memory, an analog telephone interface circuit, a man-machine interface circuit, a special signal tone circuit, and a sound recording circuit, wherein, the speech data between each telephone interface in the unit module adopts a digital time slot switch, and its data format and signaling is compatible to the digital program-controlled telephone switch. The invention combines the superiority of circuit switching and soft switching, adopts an independently operated unit module to configure according to requirement, so that the invention has advantages of modularization, digitalization, non-bottlenecks, adapting to various transport protocols, low application cost, high system reliability, good apparatus ductibility and so on.
Owner:杭州尊鹏信息科技有限公司
Split pressure bearing type solar water heater
InactiveCN101285620AImprove heat transfer efficiencyEfficient heat collection and heat conductionSolar heating energySolar heat devicesThermal energySolar water
The invention discloses a split pressure bearing type solar water heater, comprising a heat collecting header (15), a plurality of heat collecting and guide units arranged in parallel, a pressure bearing water tank (8) and a temperature difference control unit, wherein, a heat exchange pipe coil (82) is arranged inside the pressure bearing water tank (8) which is connected with the heat collecting header (15) by a conduit tube A (6) and a conduit tube B (7) which is provided with a recycle pump (11); the inner wall of the pressure bearing water tank (8) is provided with a temperature sensor B (13) which is used for sensing the water temperature inside the pressure bearing water tank (8), that is the hot water temperature T13, and for outputting the hot water temperature T13 to a temperature difference controller (14); a temperature sensor A (12) is arranged on the outer wall of a heat pipe C (3c) of the third heat collecting and guide unit, the temperature sensor A (12) is used for sensing the temperature inside a vacuum heat collecting pipe in the third heat collecting and guide unit, that is the heat energy temperature T12, and for outputting the heat energy temperature T12 to the temperature difference controller (14) which compares the difference value between the received hot water temperature T13 and the heat energy temperature T12 and obtains the on and off information for driving the recycle pump (11), wherein, delta T is equal to T12 minus T13.
Owner:徐娟
A standing wave ratio detection and high power protection circuit with adaptive control
InactiveCN102281036AWill not damage the ringImprove securityAmplifier protection circuit arrangementsDetector circuitsEngineering
The invention relates to a standing wave ratio detection and high-power protection circuit with adaptive control, including a signal isolator, a power amplifier tube protection circuit, a three-stage power amplifier tube, a high-power high-isolation isolator, and an automatic calibration detection circuit , forward output coupler, reverse output coupler, the signal isolator, power amplifier tube protection circuit, three-stage power amplifier tube, forward output coupler, high-power high-isolation isolator, reverse output coupler The devices are connected in turn, the input ends of the automatic calibration detection circuit are respectively connected to the forward output coupler and the reverse output coupler, and the output ends are respectively connected to the power amplifier tube protection circuit and the three-stage power amplifier tube. Compared with the prior art, the invention has the advantages of high safety, wide application range, strong adaptability and the like.
Owner:JIALV COMM EQUIP SHANGHAI
Interactive control method of double congruent central coordinators
ActiveCN101786453ASimplify the installation processSimplified Replacement RepairElectric/fluid circuitElectricityComputer module
The invention discloses an interactive control method of double congruent central coordinators, which includes the following steps that: 1) two coordinators are arranged in an electrical system network of an automobile, wherein the two coordinators are congruent coordinators with identical structure, two vehicle-mounted communication ports are respectively arranged on the two coordinators, the two vehicle-mounted communication ports are connected to the electrical system network of the automobile, and each coordinator is provided with an automatic arbitration module inside; 2) after the electrical system network of the automobile is powered on, the automatic arbitration modules arranged inside the two coordinators start to work; 3)the automatic arbitration modules arbitrate the control rights of the two coordinators, that is to determine that the two coordinators are respectively at a main control coordinator mode or a standby coordinator mode; and 4) after the automatic arbitration modules finish the arbitration over the control rights of the two coordinators and show the working modes of the two coordinators, the two coordinators enter the periodic working flow. The invention is unique in structural design and the two coordinators have strong interactive control and monitoring abilities, so the method is widely applicable in electrical systems of automobiles.
Owner:TSINGHUA UNIV
Building intercom system capable of realizing firefighting/monitoring linkage and linkage method
InactiveCN103118305ANot paralyzedTimely emergency measuresFire alarmsStations for two-party-line systemsData informationFirefighting
The invention discloses a building intercom system capable of realizing firefighting / monitoring linkage and a linkage method. The system comprises a firefighting alarm subsystem, a building intercom subsystem and a communication subsystem; the building intercom subsystem is used as a client of the firefighting alarm subsystem and is actively connected with the firefighting alarm subsystem by the communication subsystem; the firefighting alarm subsystem issues data information or commands to the building intercom subsystem via the communication subsystem; and the building intercom subsystem responds according to the data information or the commands which are issued by the firefighting alarm subsystem. The building intercom system and the linkage method have the advantages that the firefighting alarm subsystem and the building intercom subsystem which run independently are in linkage with each other via the communication subsystem, and the building intercom subsystem correspondingly responds according to the data information and / or the commands which are transmitted by the firefighting alarm subsystem, so that residents in buildings of a residential area can timely take emergency measures according to the data information, and the firefighting alarm subsystem and the building intercom subsystem can independently run while being in linkage with each other.
Owner:深圳市高新投三江电子股份有限公司
Method for designing a multi-unmanned aerial vehicle communication mode based on publish-subscribe
The invention discloses a method for designing a multi-unmanned aerial vehicle communication mode based on publish-subscribe, which comprises the following steps of: (1) designing a topological structure of the communication mode by combining the structural characteristics of various publish-subscribe systems according to the requirements on dynamics and reliability during multi-unmanned aerial vehicle communication; step (2), abstracting the capability and state of the unmanned aerial vehicle as subscriptions, designing a subscription model of a communication mode, abstracting task targets and task constraints as events, and designing an event-subscription matching mechanism model of the communication mode; step (3), according to the subscription model and the event model designed in thestep (2), designing an event of a communication mode in combination with a demand for information real-time transmission in a multi-unmanned aerial vehicle communication process. The method has the advantages of dynamic property, reliability and loose coupling property, and can ensure that a plurality of unmanned aerial vehicles can still ensure certain communication quality in a complex and changeable battlefield environment.
Owner:NANJING UNIV OF POSTS & TELECOMM
Business data updating method, server and server cluster
InactiveCN110245194ANot paralyzedFast updateDatabase updatingDatabase distribution/replicationBusiness dataClient-side
The invention discloses a business data updating method, a server and a server cluster. In the process of updating the business data of each server in the server cluster, first business data of at least one first server in the server cluster are updated, so that the first server provides corresponding business services for at least one client based on the first business data; the service state of the first server is obtained, and if the service state is the abnormal service state, at least one second server in the server cluster does not update the second business data stored by the second server itself based on the first business data; if the first service data goes wrong, the business data is updated again, and only the first business data in the first server needs to be updated again, so that the updating speed is increased; and if the server is paralyzed due to the error of the first service data, only the first server in the server cluster is paralyzed, and at least one second server is not paralyzed.
Owner:BEIJING QIYI CENTURY SCI & TECH CO LTD
Nomadic ad-hoc network scheduling system and scheduling method thereof
InactiveCN105227349AReduce dependencyImprove scalabilityData switching networksComputer terminalMedia access
The invention provides a nomadic ad-hoc network scheduling system comprising multiple micro scheduling networks and a coordinating server cluster connected with the micro scheduling networks. Each micro scheduling network consists of a micro scheduling center and a plurality of terminals, and the terminals are connected to a network beyond the micro scheduling network through the micro scheduling center. The coordinating server cluster includes at least one coordinating server, and is used for supporting scheduling commands across the micro scheduling networks and media access. Each micro scheduling center is connected to one of the coordinating servers, and sends the status information and change information of the corresponding micro scheduling network to the coordinating server. The invention further provides a scheduling method of the nomadic ad-hoc network scheduling system.
Owner:BEIJING TAILEDE INFORMATION TECH
Automatic network activation system based on double-track guaranteed production mechanism
ActiveCN111061578AReduce couplingReduce single dependencyInterprogram communicationDatabase distribution/replicationMessage queueOrder scheduling
The invention discloses an automatic network activation system based on a double-track guaranteed production mechanism, which belongs to the technical field of network activation and comprises a workorder receiving module, a work order decomposition module, a work order scheduling module, a network element construction module and a work order reporting module, wherein the work order receiving module serves as an application initial module. Interaction between the modules is realized through a message queue or an intermediate table, and the system adopts a layered structure, so that the coupling degree between the system modules is reduced to the maximum extent, and the robustness of the system is improved; the advantages of a memory database and a traditional database are fully utilized,single dependence of the system on the databases is reduced, it is guaranteed that when any database is abnormal, the network activation work order can still be supported to continue to flow based onthe other database, and system paralysis cannot be caused; sufficient recovery time is provided for database faults of the system, and the direct perception influence of a user is reduced.
Owner:USTC SINOVATE SOFTWARE
Multi-gateway scene implementation method and system, electronic equipment and storage medium
ActiveCN113037530AReduce communication overheadJudgment logic is simpleNetwork connectionsEngineeringNetwork communication
The invention relates to the field of network communication, and provides a multi-gateway scene implementation method and system, electronic equipment and a storage medium. The method comprises the following steps: splitting a scene condition of a first scene to obtain a single gateway scene condition, and splitting a scene action of the first scene to obtain a single gateway scene action; respectively sending and storing the single gateway scene condition and the single gateway scene action to corresponding gateways; and receiving a message that the single-gateway scene condition is triggered, and determining to send a command for executing the scene action of the first scene to the gateway related to the first scene according to the triggered single-gateway scene condition, so that the gateway executes the scene action of the first scene. According to the multi-gateway scene implementation method and system, the electronic equipment and the storage medium provided by the embodiment of the invention, whether the multiple gateways and conditions are met or not is judged according to the equipment state information stored by the cloud server, so that the judgment logic is simplified, and the communication overhead between the cloud server and the gateways is reduced.
Owner:MIDEA GRP CO LTD
Wind power converter redundancy control method and wind power converter using same
PendingCN110768291ANot paralyzedImprove reliabilitySingle network parallel feeding arrangementsWind energy generationWind powerControl engineering
A wind power converter comprises a main control module, a plurality of control modules and a plurality of power modules. Each control module is electrically connected with the main control module, andeach control module is electrically connected with the power modules. According to the wind power converter, when the main control module fails or the communication with the main control module fails, the control module having the highest priority and capable of working normally can be set as a main control module, the wind power converter is enabled to continue to work normally, the situation inwhich all the power modules stop working due to failure of the main control module or failure of communication with the main control module is avoided, breakdown of the whole wind power converter isavoided, and the reliability of the wind power converter is high. The invention further provides a wind power converter redundancy control method for improving reliability.
Owner:SHENZHEN HOPEWIND ELECTRIC CO LTD
Combined traffic facility of right running 'halberd'-shaped bifurcate bridge and bifurcate tunnel
ActiveCN102234971AIncrease the lengthReduce problems that take up a lot of areaRoadwaysStructural engineeringHalberd
Owner:启东市天汾电动工具技术创新中心
Anti-collision system control method based on distribution multi-agent tower group
InactiveCN103425818AImprove efficiencyEnsuring a smooth reorganizationSpecial data processing applicationsTime-sharingCollision system
The invention discloses an anti-collision system control method based on a distribution multi-agent tower group. The method includes that step 1, a sub Agent is arranged on each tower crane of the tower group, and the sub Agents are subjected to networking; step 2, the distribution multi-agent tower group adopts a parallel working mode, the sub Agents achieve functions of a single crane, and information collection, function decision and output control of each tower crane are achieved through an information collecting module, a function decision module and an output control module respectively; step 3, time-sharing scheduling control among the sub Agents is achieved through communication protocols preset in communication modules of the sub Agents. By means of the anti-collision system control method, communication among the tower cranes of the tower group is smooth, anti-collision calculation real-time performance is good, the control process is reliable, and operation of each tower crane is safe and smooth.
Owner:XIAN UNIV OF TECH
Airborne network with distributed switching and information communication method under same
InactiveCN101895465AWith distributed exchangeReduce overheadData switching by path configurationSurvivabilityService mode
The invention discloses an airborne network with distributed switching and an information communication method under the same. The airborne network is a communication network formed by accessing communication service nodes with transceiving and relaying functions based on a physical connection structure formed by intersecting mutually parallel transverse buses and mutually parallel longitudinal buses. Subsequently, the time division and routing strategies of the communication service nodes under the structure, and a damage handling mode when a few nodes are broken down are provided. The communication service mode is adopted to provide large throughput, high real-time and high survivability for the airborne network with the distributed switching.
Owner:BEIHANG UNIV
Cellular emergency lighting management system
InactiveCN103974498ANot paralyzedImprove accuracyElectric light circuit arrangementRemote controlControl cell
The invention relates to a cellular emergency lighting management system which comprises multiple emergency lamps, an emergency power source, a detection unit, control units, a control panel and a remote control terminal. The detection unit is used for detecting fault state of the emergency lamps, the control units are arranged inside the emergency lamps respectively to control the detection unit to detect the emergency lamps in real time, the control panel independently communicates with each emergency lamp through a wireless network, and the remote control terminal communicates with the control panel to enable the control panel to independently communicated with each control unit through the wireless network and enable the remote control terminal to control the detection unit to detect each emergency lamp in real time so as to acquire the fault state of each emergency lamp. The cellular emergency lighting management system breaks through conventional detection methods, and mutual interference among signals of the emergency lamps is avoided, so that accuracy and stability in detection are improved, and detection efficiency is improved. The cellular emergency lighting management system is economical, practical and suitable for large-scale popularization.
Owner:WISECON TECH COMPANY
Container cloud-based micro-service application opening system
InactiveCN111813503AAutomate deploymentRealize automatic expansion and contractionSoftware maintainance/managementSoftware testing/debuggingDistributed computingQuality management
The invention discloses a container cloud-based micro-service application opening system. The system comprises a cloud platform server, a container management scheduling center, a system core assembly, a system expansion plug-in and a user interaction terminal, wherein the cloud platform server is in wired or wireless bidirectional connection with the user interaction terminal, the cloud platformserver is respectively in bidirectional connection with a business service unit and a quality management unit, and the business service unit is in bidirectional connection with the quality managementunit. The method has the advantages that the expansibility is high, the error-tolerant rate is high, the storage space is large, codes are easy to understand, and the development efficiency is high.
Owner:优品街科技有限公司
WIFI-based elderly home remote monitoring system
ActiveCN113141677APenetratingNot paralyzedMeasurement devicesTransmission systemsData storeLiving environment
The invention discloses a WIFI-based elderly home remote monitoring system. The system comprises a WIFI network, a master control terminal module and a remote monitoring center. The WIFI network comprises a wireless access point and a terminal node, the wireless access point and the terminal node adopt an LWIP protocol for networking, when the terminal node is connected, the wireless access point performs SSID and password matching on the terminal node, and TCP connection is established after successful matching; the terminal node transmits the acquired environment data to the wireless access point; the main control terminal module acquires the environment data from the wireless access point, and is also responsible for detecting whether the old people fall down or not, and sending the environment data and fall detection information to the remote monitoring center; and the remote monitoring center stores the received data in a local database, and can perform operations such as addition, deletion, modification, checking and display on the data. According to the invention, real-time monitoring of the living environment and the falling behavior of the elderly can be realized, and when the environment data is abnormal or the falling condition occurs, countermeasures can be taken in time.
Owner:CHONGQING UNIV OF POSTS & TELECOMM
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