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51results about How to "Solution is not available" patented technology

Method and system for diagnosing and responding and supporting nuclear power plant severe accident

The invention discloses a method and a system for diagnosing and responding and supporting a nuclear power plant severe accident. The method comprises steps of obtaining accurate information needed by accident management by combining an instrument usability database through accident-correlated-instrument monitoring and correlated important parameter evolvement, realizing simulation of server accident development and an emergency state through the combination of a sever accident simulation module, predicting the development tendency of the server accident and predicting expected effects after various possible intervention measurements, integrating and electronizing the server accident management guidance (SAMG) and giving advices on the following measurements. The invention can start up the corresponding measurement and the emergency plan on the short notice, maximally reduces the accident risk, provides the guarantee and further enhances the safety of the nuclear power plant.
Owner:CHINA NUCLEAR POWER TECH RES INST CO LTD +3

Unmanned vehicle positioning method based on multi-sensor data fusion

The invention discloses an unmanned vehicle positioning method based on multi-sensor data fusion. With data of a centimeter-level high-precision map, vision and a laser radar sensor, high-precision positioning is realized in an area with satellite positioning signals shielded. According to the invention, because of real-time monitoring of effectiveness of the satellite positioning data, the satellite positioning data are assisted by using the fusion of data of the centimeter-level high-precision map, the laser radar, the odometer, and the multiple visual sensors. Meanwhile, the inertial navigation accumulation error is corrected; the reliability, continuity and accuracy of the positioning system are improved; and no cost of the sensor hardware is increased.
Owner:李子月

Federated model training method and system and electronic equipment

InactiveCN110874648AMeet training needsThe solution cannot be terminatedMachine learningData miningOperations research
The embodiment of the invention discloses a federated model training method and system and electronic equipment, and the method comprises the steps that a server generates a first adversarial model parameter, and transmits the first adversarial model parameter to a client; the client performs generative adversarial training based on the output generative model and the first adversarial model parameter, and outputs generated data; the client performs federation model training based on the real data and the generated data to obtain a first federation model parameter, and sends the first federation model parameter to the server; and the server integrates the first federation model parameters of the plurality of clients to obtain second federation model parameters.
Owner:ALIPAY (HANGZHOU) INFORMATION TECH CO LTD

Method for quickly tolerating disaster for base station in mobile communication network

The invention provides a method for quickly tolerating disaster for a base station in a mobile communication network. The service models of resources which are needed by base station disaster tolerance are combed, and related base station disaster tolerance configuration and parameters are updated regularly in a man-machine command mode or a manual entry mode, so that related resources are provided, and the complicated process of temporarily scheduling the resources is avoided when the base station disaster tolerance is required to be switched. By a complete script management method, a centralized command transmitting passage is opened up to execute a script, so that the problems of low efficiency and high possibility of generating faults of the traditional manual entry method for switching the script are solved. In addition, by using a graphical display interface for presenting a compact disaster tolerance service logic relation and visual script execution tracing, operation difficulty is simplified, and the accuracy and the efficiency of execution are improved. The method is applied to the base station disaster tolerance in the field of telecommunication network management. The base station disaster tolerance is quickly switched by convenient graphical operation, the starting time of a backup base station is saved, the influence of the faults is lowered, and economic loss is reduced. The working efficiency and the quality of the switching of the base station disaster tolerance can be greatly improved by the method.
Owner:INSPUR TIANYUAN COMM INFORMATION SYST CO LTD

Autonomous non-overshoot state switching method of ship inertial navigation system

The invention discloses an autonomous non-overshoot state switching method of a ship inertial navigation system, comprising the following steps of: determining the damping ratio of a correction link; determining the time domain parameter during the calibration process; determining the cut-off frequency during the correction link; determining the system bandwidth; determining two handover frequencies during the correction link; determining a low-frequency band during the correction link; determining a high-frequency band during the correction link; determining the convergence frequency band of the correction link; determining the transmission function during the correction link; determining the switching time; determine the switching step length; determining the velocity variable before and after the correction; acquiring acceleration and angular velocity of the inertial device output; compensating for the inertia device output according to the error source of the inertial device; integrating the acceleration information to obtain the speed; acquiring a velocity correction value; acquiring speed after the correction; acquiring angular velocity information after the correction and feeding back by the Shura loop; and integrating the speed after the correction to obtain the position after the correction. By the adoption of the method provided by the invention, overshoot errors generated during the state switching process can be inhibited without depending on the external speed.
Owner:NAVAL UNIV OF ENG PLA

V-I graph sample data set screening method for non-invasion load monitoring

The invention discloses a V-I graph sample data set screening method for non-invasion load monitoring. The method is characterized in that the non-invasion home appliance load monitoring is used as the background, the problem that actually-measured home appliance stable running data is subjected to noise interference which causes that a large amount of V-I track graph sample data is available is solved. According to the method, the acquired V-I property graph sample data set is optimized before building a data set of a deep learning network so that the content of properties of key surface feature information of the data set is increased, and the home appliance recognizing accuracy and recognizing efficiency are improved.
Owner:SOUTHWEST JIAOTONG UNIV

Method and system for quickly shielding client fault based on instrumentation mode

The invention discloses a method and a system for quickly shielding a client fault based on an instrumentation mode, and relates to the field of client fault processing. The method comprises the following steps of inserting a functional instrumentation point used for controlling a function and a function instrumentation point used for controlling a function into a client; generating functional configuration information by a server according to a fault occurrence function, and generating function configuration information according to a fault occurrence function; when the client is started, automatically obtaining the generated functional configuration information and function configuration information from the server; when the functional configuration information is queried by the client, disabling a corresponding function; and if the function configuration information is queried by the client, when the client performs execution operation at the function instrumentation point corresponding to the function configuration information, disabling a corresponding function, and skipping the function and continuing to execute other functions by the client. According to the method, a new function of the client can be quickly disabled and a fault caused by the new function is shielded, so that normal use of the client is ensured.
Owner:WUHAN DOUYU NETWORK TECH CO LTD

Method and system for overcoming confliction between uplink hybrid automatic retransmission request and burst traffic

The invention discloses a method and a system for overcoming confliction between an uplink hybrid automatic retransmission request and burst traffic. The method comprises that: when the burst traffic is produced and a control channel and / or feedback channel associated with one or more uplink sub-frames in an uplink HARQ process between a base station and a terminal are / is unavailable, the base station changes the unavailable control channel associated with the uplink sub-frame into an available control channel before the unavailable control channel and changes the unavailable feedback channelassociated with the uplink sub-frame into an available feedback channel behind the unavailable feedback channel; new association relationships between the uplink sub-frame and the changed control channel and / or the changed feedback channel are transmitted to the terminal through a broadcast channel; and the terminal and the base station both utilize the control channel and / or the feedback channelassociated with the uplink sub-frame to perform the uplink HARQ process according to the new association relationships. Through the method and the system, the problem of the confliction between the burst traffic and the control channel and / or the feedback channel in the performed uplink HARQ process is solved.
Owner:ZTE CORP

Methods for service recovery and performance enhancement, and operation and maintenance management system

The invention relates to methods for service recovery and performance enhancement, and an operation and maintenance management system. The method for service recovery comprises: state changes of nodes in a node cluster with an operating state synchronization protocol are detected and the number NN of normal nodes is determined, wherein the NN is an integer; if the NN is changed from being larger than or equal to S0 to being smaller than the S0, emergency processing is carried out to recover a normal service, wherein when the normal nodes include a main node, the emergency processing is implemented as follows: the value of a parameter S stored by a configuration center and the normal node is changed to be an integer value smaller than or equal to the NN. The parameter S expresses the minimum number of successful synchronization nodes required by the node cluster for providing the normal service and the S0 is the parameter S's value determined based on the state synchronization protocol. Therefore, a disabled problem caused by simultaneous occurrence of hardware errors of a plurality of nodes can be solved.
Owner:ALIBABA (CHINA) CO LTD

Three-dimensional traffic vehicle positioning method based on unmanned aerial vehicle

The invention discloses a three-dimensional traffic vehicle positioning method based on an unmanned aerial vehicle. The method comprises the steps that firstly, an area with weak satellite signals orwithout satellite signals is selected, and a target vehicle is located in the area; the vehicle sends a take-off instruction to the unmanned aerial vehicle, the unmanned aerial vehicle takes off and flies to the airspace after receiving the take-off instruction, the unmanned aerial vehicle is kept to hover in a communication network coverage range with the communication distance as the radius of the target vehicle, and it is guaranteed that the position relation of the unmanned aerial vehicle is nonlinear; secondly, the unmanned aerial vehicle obtains position information under an earth coordinate system through a positioning module of the unmanned aerial vehicle, and broadcasts the position information of the unmanned aerial vehicle to a target vehicle through V2X communication; and finally, the target vehicle receives the position information of the unmanned aerial vehicle and calculates the distance to the unmanned aerial vehicle, so that the position of the target vehicle is calculated, and the positioning requirement of the target vehicle is met under the condition that the satellite positioning system cannot obtain a good positioning effect.
Owner:BEIHANG UNIV

Embedded system upgrading method and device, equipment and medium

The invention discloses an embedded system upgrading method and device, equipment and a medium. The method comprises the steps that a FLASH of a to-be-upgraded embedded system is divided into different partitions, and the partitions comprise a plurality of system program partitions and an upgrading backup partition; determining an upgrade partition from the system program partitions, and packaging and backing up the upgrade partition to the upgrade backup partition; and when the upgrading partition is successfully upgraded, clearing data in the upgrading backup partition, and upgrading a non-upgraded partition in the system program partition. In this way, the problem that products on the embedded system cannot be used due to the abnormal problem occurring in the upgrading process of the embedded system can be solved, and it is guaranteed that the embedded system can be normally used.
Owner:CHENGDU GUOKE MICROELECTRONICS CO LTD

Method and device for establishing data connection, storage medium and terminal equipment

The invention provides a method and device for establishing data connection, a storage medium and terminal equipment, and relates to the technical field of terminals. The method comprises the following steps: obtaining a current access point name APN parameter corresponding to the terminal equipment; establishing data connection with network equipment according to the current APN parameter; underthe condition that the data connection established according to the current APN parameter is abnormal, obtaining a target APN parameter; and establishing data connection with the network equipment again according to the target APN parameter. Thus, the problem that the data service of the terminal equipment is unavailable can be solved by modifying the APN parameters of the terminal equipment, so that the user experience can be improved.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Block chaining method of traceability information and related equipment

One or more embodiments of the invention provide a block chaining method of traceability information and related equipment. Complete commodity tracing service is provided, tracing information is generated by using a commodity terminal and forwarded by the at least three proxy servers, and finally block chaining is realized by the block chain node server, so that the problem of unavailability in alink is partially solved.
Owner:ALIPAY (HANGZHOU) INFORMATION TECH CO LTD

Vehicle-mounted terminal and an LTE-V-based vehicle-mounted communication method

The invention relates to a vehicle-mounted terminal and an LTE-V-based vehicle-mounted communication method. The vehicle-mounted communication method comprises: determining whether a GPS signal is normal; if so, carrying out parsing on the GPS signal to obtain a GPS position signal and a GPS clock signal, generating a synchronous clock signal according to the GPS clock signal and a local clock signal outputted by the clock module so as to calibrate the local clock signal outputted by the clock module; and if not, acquiring a local clock signal from the clock module and acquiring a real-time position signal from an inertial navigation module, and carrying out LTE-V communication based on the local clock signal and real-time position signal. Therefore, when the GPS signal cannot be normallyreceived, the e local clock signal can be obtained from the clock module and the real-time position signal is obtained from the inertial navigation module, so that short-range distributed direct communication based on the PC5 interface can be carries out continuously and thus the continuity and reliability of the communication function of the LTE-V module are guaranteed.
Owner:SHENZHEN GENVICT TECH

Initial coarse alignment method used for navigation of unmanned underwater vehicles at polar regions

InactiveCN107894240ASolution is not availableImprove initial coarse alignment accuracyMeasurement devicesECEFGyroscope
The invention discloses an initial coarse alignment method used for navigation of unmanned underwater vehicles at polar regions. The initial coarse alignment method used for navigation of unmanned underwater vehicles at polar regions comprises following steps: the initial alignment moment, and direction cosine matrix C<G><e> from earth centered earth fixed e to grid coordinate system G are determined based on the longitude and latitude at polar regions; direction cosine matrix C<G> between an inertial coordinate system and the earth centered earth fixed is determined based on time intervaldelta t; direction cosine matrix C<b<0>> from vector coordinate system b to vector coordinate system b<0> formed via fixed connection of the initial movement with inertial coordinate system is determined based on gyroscope output in a serial inertial navigation system; direction cosine matrix C<b<0>> from the vector coordinate system b<0> formed via fixed connection of the initial movement with inertial coordinate system to inertial coordinate system i is determined; direction cosine matrix C<G> from the vector coordinate system b to grid coordinate system G is determined; calculatingand extracting of phi x, phi y, phi z, delta phi x, delta phi y, and delta phi z obtained via initial coarse alignment are carried out. The initial coarse alignment method is capable of realizing coarse alignment of unmanned underwater vehicles at polar regions effectively, and the precision is better than that of a conventional coarse alignment method at polar regions.
Owner:HARBIN ENG UNIV

Program signature and upgrade error recovery method and device based on universal serial bus (USB) flash disk carrier

The invention provides a program signature and upgrade error recovery method based on a universal serial bus (USB) flash disk carrier. The program signature method comprises the following steps: reading the inherent identification ID of the current USB flash disk and the original inherent identification ID of a hidden storage partition by a program, and comparing the identification IDs; if the identification IDs are same, continuing to read a signature sequence and judging whether the signature sequence is correct; if the signature sequence is correct, executing the flow after the program signature; and if the signature sequence is incorrect, ending the program operation. The upgrade error recovery method comprises the following steps: storing an original program in the hidden storing partition of the USB flash disk carrier; and if the upgraded program can not operate normally, writing the original program in the hidden storing partition into a program storing partition.
Owner:BEIJING ANTIY NETWORK SAFETY TECH CO LTD

Telephone traffic-free cell self recovery method and device

The invention discloses a telephone traffic-free cell self recovery method and a telephone traffic-free cell self recovery device. The method includes the following steps that: items of a cell which cause user access difficulty in a certain duration are detected, such that whether the cell is a telephone traffic-free cell is determined; after the cell is determined as the telephone traffic-free cell, the cell is deleted; and after the cell is deleted, a cell is re-established. According to the telephone traffic-free cell self recovery method, the items of the cell which cause user access difficulty are detected, such that the cell can be determined as the telephone traffic-free cell, and the telephone traffic-free cell is deleted, and the cell is re-established, and therefore, the problem of unavailability of cells can be solved, and normal user access can be ensured.
Owner:ZTE CORP

An unmanned vehicle localization method based on multi-sensor data fusion

The invention discloses an unmanned vehicle positioning method based on multi-sensor data fusion. With data of a centimeter-level high-precision map, vision and a laser radar sensor, high-precision positioning is realized in an area with satellite positioning signals shielded. According to the invention, because of real-time monitoring of effectiveness of the satellite positioning data, the satellite positioning data are assisted by using the fusion of data of the centimeter-level high-precision map, the laser radar, the odometer, and the multiple visual sensors. Meanwhile, the inertial navigation accumulation error is corrected; the reliability, continuity and accuracy of the positioning system are improved; and no cost of the sensor hardware is increased.
Owner:北京鲲鹏博睿科技有限公司

System and method for multi-entrance admission registration of exhibition audiences

The invention discloses a system for multi-entrance admission registration of exhibition audiences. The system comprises a plurality of mobile electronic devices arranged at each entrance and used for inputting audience admission information, an electronic registration system server, a wireless router used for building a local area network, and a switch or a concentrator. The electronic devices comprise a PC (Personal Computer), a smart phone or a tablet personal computer; an electronic registration system client is installed on the PC, the smart phone or the tablet personal computer, and the electronic registration system client is set to communicate with the electronic registration system server through a local area network; and the electronic registration system server is configured to receive and check the audience entrance information transmitted by the electronic registration system client, return confirmation information to the electronic registration system client if confirming that the audience entrance information can be acknowledged, and generate a two-dimensional code picture from the audience entrance information according to a two-dimensional code protocol.
Owner:米奥兰特(浙江)网络科技有限公司

Method and device for establishing path

ActiveCN107786908ASolution is not availableSolve the problem that cannot be applied to black link scenariosMultiplex system selection arrangementsPath computation elementOptical Transport Network
The invention discloses a method and device for establishing a path. The method comprises the steps that a path computation element obtains colorful light port parameters of client layer devices at two ends; a first optical path between two boundary nodes is established in an optical transport network domain according to parameter information of an optical transport network and an optical wavelength range supported by the client layer devices at the two ends; optical path parameters are obtained, and whether the optical path parameters satisfy a constraint condition of a black link of the optical transport network or not is determined; the first optical path is deleted if the constraint condition is not satisfied, and a second optical path is established until the optical path of which optical path parameters satisfy the constraint condition is established; whether parameters of black link ports of the client layer devices at the two ends satisfy a constraint condition range or not isjudged after the optical path of which optical path parameters satisfy the constraint condition is established; and the end-to-end optical path is determined for the client layer devices at the two ends if the constraint condition range is satisfied.
Owner:ZTE CORP

Method and device for importing duplicate removal data into gallery based on rocksdb and storage medium

The invention provides a method and device for importing data into a gallery based on rocksdb and a storage medium, and the method comprises the steps: classifying the data to be imported into the gallery to obtain a plurality of data categories, setting a category identifier for each data category, and setting an edge relation between the data in each data category; based on a rocksdb vertex duplicate removal database, performing duplicate removal on data in each data category, and inserting the data into the image library as a vertex; and based on the rocksdb edge duplicate removal database,performing duplicate removal on the edge relationship among the data, and inserting the edge relationship into the image library as an edge. According to the method, firstly, a rocksdb vertex duplicate removal database and a rocksdb edge duplicate removal database which correspond to data types are constructed; the method comprises the following steps of: importing data into a gallery; accordingto the technical scheme, the vertex importing is firstly carried out, and then the vertex importing is carried out after the vertex importing is completed, so that the problem that the actual data isrepeated and unavailable due to the fact that id is not duplicated when the Titan / Janus Graph image library is imported is solved, and due to the fact that the duplicate removal library of multiple types is established, the duplicate removal efficiency is improved, and the user experience is improved.
Owner:XIAMEN MEIYA PICO INFORMATION

Active balance calibration method and system based on cloud SIM

The invention discloses a balance calibration method and a system based on a cloud SIM. The method comprises the following steps: issuing a balance calibration instruction of a first SIM card consisting of balance calibration request information and balance calibration certificate information; obtaining balance information of the first SIM card according to the balance calibration instruction of the first SIM card; the technical problems that in the prior art, due to the fact that the balance of the SIM card in the cloud SIM application system is inconsistent with the balance calculated by theoperator to which the SIM card belongs, the SIM card allocated to the terminal user by the cloud SIM application system is not available, and the user experience is poor are solved.
Owner:SHENZHEN OCTOPUS TECH

Method and system for quickly shielding client faults based on instrumentation

The invention discloses a method and a system for quickly shielding a client fault based on an instrumentation mode, and relates to the field of client fault processing. The method comprises the following steps of inserting a functional instrumentation point used for controlling a function and a function instrumentation point used for controlling a function into a client; generating functional configuration information by a server according to a fault occurrence function, and generating function configuration information according to a fault occurrence function; when the client is started, automatically obtaining the generated functional configuration information and function configuration information from the server; when the functional configuration information is queried by the client, disabling a corresponding function; and if the function configuration information is queried by the client, when the client performs execution operation at the function instrumentation point corresponding to the function configuration information, disabling a corresponding function, and skipping the function and continuing to execute other functions by the client. According to the method, a new function of the client can be quickly disabled and a fault caused by the new function is shielded, so that normal use of the client is ensured.
Owner:WUHAN DOUYU NETWORK TECH CO LTD

Name node switching method, block chain system, electronic equipment and readable medium

The invention discloses a name node switching method based on a distributed system, and aims to solve the problem that the whole distributed system cluster is unavailable due to crash or collapse of name nodes after switching in the prior art, and the name node switching method based on the distributed system is used for a block chain system. The block chain system comprises a main name node and a plurality of standby name nodes, the main name node is a name node for providing data service for a distributed system, and the method comprises the following steps: synchronizing metadata of the main name node to the plurality of standby name nodes; and under the condition that the main name node stops providing the data service, selecting one standby name node from a plurality of standby name nodes to provide the data service for the distributed system. The invention further discloses the block chain system, electronic equipment and a computer readable medium.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD

Passive ventilation device

The invention discloses a passive ventilation device which comprises a compressed air storage tank used for storing compressed air; the vortex tube is connected with the compressed air storage tank, the vortex tube is used for generating vortexes by the compressed air to separate cold airflow and hot airflow, and the vortex tube comprises a vortex tube body, a vortex tube hot end and a vortex tube cold end, and the vortex tube hot end and the vortex tube cold end are arranged on the vortex tube body; the purification mechanism is connected with the hot end of the vortex tube, and the purification mechanism is used for purifying air in the resident area through the hot airflow separated from the hot end of the vortex tube and then sending the purified air into the resident area; and the ventilation mechanism is connected with the cold end of the vortex tube, and the ventilation mechanism is used for feeding the cold air flow separated from the cold end of the vortex tube into the resident area, providing fresh air and cooling for the resident area and maintaining the positive pressure of the area. According to the ventilation device, compressed air is separated into cold air flow and hot air flow through the vortex tube, and power is provided for the ventilation mechanism and the purification mechanism through the pressure of the compressed air.
Owner:CHINA NUCLEAR POWER ENG CO LTD

Cross power supply structure of nuclear power station control room man-machine interface equipment

The invention discloses a cross power supply structure of nuclear power station control room man-machine interface equipment. The cross power supply structure comprises a first column power supply structure, a second column power supply structure and a third column power supply structure, wherein each column of power supply structure comprises a first power supply and a second power supply, the first power supply and the second power supply are connected to a bus of a power supply cabinet corresponding to the column through a switching circuit, and the output end of the power supply cabinet isconnected to the man-machine interface equipment corresponding to the column; and at least one power supply of each column of power supply structure is also connected to buses of other columns of power supply cabinets so as to realize cross power supply among different columns of power supply structures. Compared with the prior art, the power supply problem of multiple columns of equipment can beeffectively solved, the reliability and safety of control room man-machine interface equipment are improved, the human factor failure probability of control room operation personnel is reduced, and the operation safety of a nuclear power station is improved.
Owner:中广核工程有限公司 +2

Manufacturing method of multilayer circuit board

The invention provides a manufacturing method of a multi-layer circuit board. The method comprises steps that according to the layer number of a to-be-manufactured multi-layer circuit board, the number of solidification units for forming the multi-layer circuit board is determined, the solidification units comprise first substrates and second substrates which are in solidification connection, andthe first substrates and the second substrates respectively have two board surfaces; according to the number, the various solidification units are generated; a non-solidification inner board surface of each solidification unit opposite to the multi-layer circuit board is determined; a circuit diagram is made on the non-solidification inner board surface; according to the ordering sequence of the solidification units in the multi-layer circuit board, and the non-solidification inner board surface which is adjacent to two solidification units and is provided with the circuit diagram is solidified. The method is advantaged in that for the manufactured multi-layer circuit board, severe damage to the circuit diagrams belonging to two board surfaces of one substrate because of severe relative deformation caused by tangential viscous friction can be avoided, and the manufactured multi-layer circuit board can be utilized.
Owner:NEW FOUNDER HLDG DEV LLC +1
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