224results about How to "Reduce the difficulty of operation and maintenance" patented technology

The embodiment of the invention provides a distributed gateway backup processing method and network equipment. The method comprises the following steps that: first network equipment receives an ARP (Address Resolution Protocol) update route message sent by second network equipment, wherein the ARP update route message is constructed according an EVPN (Ethernet Virtual Private Network) protocol; and the first network equipment acquires ARP table entries learned by the second network equipment according to the ARP update route message, and generates or updates the ARP table entries in the first network equipment, wherein in a first virtual local area network (VLAN), the first network equipment is currently a non-DF (non-Designated Forwarder) elected according to the EVPN protocol, and the second network equipment is currently a DF (Designated Forwarder) elected according to the EVPN protocol. In the embodiment of the invention, selection of active and standby gateways and backup of ARP information can be finished through network architecture of an EVPN without establishment of a special channel for electing active and standby gateway equipment or establishment of a special channel for backing up the ARP message, so that resources are saved; configuration is simplified; and the operation and maintenance difficulty is lowered.

The invention discloses a photovoltaic power forecasting system. The technical problem to be solved is to accurately forecast the photovoltaic power of a photovoltaic generation station and guarantee the safe and stable running of the power system. The photovoltaic power forecasting system provided by the invention is equipped with a data collecting module, a weather forecasting module, a database and a forecasting module, wherein the forecasting module comprises the following steps for forecasting the generation power: classifying, training the model and forecasting the result. Compared with the prior art, the invention has the advantages that a K mean value clustering algorithm is adopted for acquiring and forecasting a plurality of sample days most similar to the day feature according to the real-time weather data and real-time generation data, the data of the sample days are adopted for training the BP neural network model, the forecasting module after training is adopted for calculating the short-term and ultra-short-term forecasting generation power data, the photovoltaic generation power of the photovoltaic generation station can be accurately forecast, the safe, stable and optimized running of the power system can be ensured, the running maintenance difficulty of the photovoltaic power forecasting system is low, the operation is easy and the cost is low.

The invention discloses a method and device for generating an E-R map through an intelligent analysis database table relation. The method includes the steps of collecting SQL sentences executed when service is handled, analyzing the collected SQL sentences executed when service is handled, screening out and marking the SQL sentences meeting the conditions, obtaining the relation between database tables according to the screened-out SQL sentences meeting the conditions, and generating the database table relation E-R map according to the obtained relation between the database tables. Thus, a user can be visually helped to obtain the relation between the database tables, the generated database table relation E-R map can be visually shown in the form of image-text, and the operation and maintenance difficulty of databases is reduced.

The invention discloses an electrophoresis pretreatment process for vehicle parts. The electrophoresis pretreatment process comprises the following steps in sequence: hot water washing, pre-greasing, greasing, primary water washing, surface conditioning, phosphorization, secondary water washing and purified water washing, wherein the secondary water washing step adopts a mode in which dipping is combined with spraying of a discharging bath, so that the removal effect of a residual phosphorization bath solution on a work piece is effectively removed; meanwhile, excluding the secondary water washing step, all the other steps adopt a dipping treatment mode on the premise of satisfying the technological quality requirements, so that the operation and maintenance difficulty and cost of technological equipment are effectively reduced, the technological implementation process is simple and easy to implement, and the treatment efficiency is relatively high.

Embodiments of the invention provide an application framework deployment method, apparatus and system, and a cloud platform. The method comprises the steps of receiving a framework configuration filegenerated according to application components in an initial application framework and sent by a terminal device; analyzing the framework configuration file to obtain a relationship among the application components; and according to the relationship among the application components, packaging the application components in the framework configuration file to generate an application framework file comprising multiple configuration interfaces. Therefore, the application framework deployment and maintenance difficulty can be effectively lowered; and the application framework deployment demands in different business scenes can be met.

The invention provides a bank channel system capable of providing risk monitoring and characteristic service. The bank channel system comprises a communication access module, a data acquisition module, a risk analysis module, and a service pushing module. According to the invention, the data acquisition module is used to acquire client transaction data of a front-end business system, and the client transaction data is converted into data in accordance with unified interface message specification, and then the acquired data after the conversion is stored in an access database table according to a preset client transaction data field name, and is used as the data resource of the risk analysis module and the data resource of the service pushing module for data processing. The data of the different formats of the different front-end business systems is converted into the data of the unified format for unified management and unified processing, and the operation work load of the bank channel system is reduced, and then operation maintenance difficulty is reduced, and therefore the operation burden of the system is reduced.

The invention provides a session initial protocol (SIP)-based calling method, SIP-based calling equipment and an SIP-based calling system. The calling method comprises the following steps that: an SIP client transmits a registration message to an SIP server; the SIP client receives a Notify message with a user number diagram from the SIP server; and after receiving the dialing of a user, the SIP client matches a corresponding number scheme from the user number diagram for calling according to the dialing of the user.

The invention discloses a secondary visualization method based on an extra-high voltage direct current transmission control protection device in the technical field of the electric system. A signal template list provided by a white-diagram/blue-diagram, protection control program and device factory is used as the foundation, the public information modeling is performed in allusion to a protection screen cabinet and attributes thereof respectively, and the model checking is designed on the basis of the model. The public information modeling part is capable of realizing the rational mapping from the public data model to the secondary system screen cabinet data of the extra-high voltage direct current transmission control protection device, and building the data linked list of the screen cabinet to the data object, and the multi-way tree data structure of the screen cabinet attributes. The software platform built by the method is capable of realizing the integration of a plurality of the factories of the secondary system of the extra-high voltage direct current transmission control protection device, solving the problems, such as the intersystem information transmission and the physical screen cabinet visualization, and reducing the difficulty of the operation, maintenance and repair of the extra-high voltage direct current transmission project.

The invention discloses a method for compliance check of data configuration of a PTN L3 (Packet Transport Network Layer3) network based on a regularization algorithm. The method comprises the following steps that route planning generates an equipment planning route as a reference value, meanwhile, the route planning is analyzed, key information is extracted and is subjected to regular matching through a script, route information of present network equipment is obtained from a configuration file and is compared with the route planning, and consistency of a PTN L3 route and the route planning in the present network configuration is analyzed; a corresponding preset rule is generated through parameter settings under different factories and different protection modes, a to-be-checked configuration is automatically matched with the rule and a check result of the rule item is generated; an IP/VLAN (Internet Protocol/Virtual Local Area Network) planning file generates a planning IP/VLAN information sheet, compares with a present network IP/VLAN information sheet generated through analyzing the configuration file, and checks whether the planning rule of the IP/VLAN information sheet is consistent. The method has the advantages of capability of automatically checking the present network route and the planning route of the PTN L3 network equipment, high efficiency, accuracy, standardization, reliability and convenience for unified management and subsequent expansion.

The invention relates to a transmission line geological disaster monitoring system based on optical fiber strain analysis. The system comprises a stress optical cable sensor used for collecting real-time data in a monitoring area, an OPGW optical cable used for transmitting signals and installed in same design as overhead lines of power transmission lines, and a monitoring server located in a power transmission line machine room and used for receiving and analyzing signals, wherein the stress optical cable sensor, the OPGW optical cable sensor and the monitoring server are in communication connection with each other; the stress optical cable sensor has an optical fiber strain analysis function and comprises Brillouin optical time domain scattering monitoring equipment and a stress opticalcable serving as a sensing unit, wherein the Brillouin optical time domain scattering monitoring equipment and the stress optical cable are in communication connection with each other; and the Brillouin optical time domain scattering monitoring equipment can collect three-dimensional light scattering monitoring parameters of geological states in the monitoring area, and a relationship model and ageological disaster analysis model corresponding to geological disaster risk characteristic monitoring parameters and the light scattering monitoring parameters are pre-stored in the monitoring server.

The invention provides a data extraction method and system based on mass data. The method comprises the steps of according to set conditions, dividing data in an assigned data source list into dynamic source data and static source data; conducting initialization processing on the static source data to obtain static target source data; configuring an extraction assignment for the dynamic source data, executing the extraction assignment and extracting the dynamic source data to obtain dynamic target data; saving the static target data and the dynamic target data as a corresponding static target data file and a corresponding dynamic target data file respectively, and merging the two files into an assigned data warehouse. The system includes a classification module, a statistic data processing module, a dynamic data processing module and a data storage module. According to the data extraction method and system based on the mass data, the quantity of the extraction assignments is reduced, data extraction efficiency is improved, the cost and difficulty of operation and maintenance in the later period are decreased, and the changes and demands of rapid development of services are met.

The invention provides a binary working medium tower type solar power generating system which comprises a water working medium heat absorber, a fused salt heat absorber, an evaporator, a fused salt superheater and a steam turbine generator unit. Fuse salt is involved in the saturated steam generation and superheating process, feedwater respectively enters the water working medium heat absorber and the evaporator, and the feedwater entering the water working medium heat absorber absorbs heat for temperature rise to generate saturated steam. Fused salt absorbs heat for temperature rise in the fused salt heat absorber, then enters the fused salt superheater for heat exchange and finally enters the evaporator to exchange heat with water in the evaporator to generate the saturated steam. The saturated steam generated by the water working medium heat absorber and the evaporator is superheated by the high-temperature fused salt in the fused salt superheater to generate superheated steam for driving the steam turbine generator unit to generate power. The binary working medium tower type solar power generating system reserves the advantages of simplicity in operation, high technical maturity, low construction cost and the like of a water working medium system and is capable of taking the advantage of high heat storage capacity of the fused salt to improve stability in power generation.

The invention discloses a standby power system of a railway digital traction substation and an automatic switching method of the standby power system. The standby power system of the railway digital traction substation includes a power supply network, the power supply network includes a 1# inlet wire and 2 # inlet wire, the 1# inlet wire includes a disconnecting switch 1QS, a breaker 1QF and a main transformer 1B which are sequentially connected in series, the 2# inlet wire includes a disconnecting switch 2QS, a breaker 2QF and a main transformer 2B which are sequentially connected in series, a connecting point between the disconnecting switch 1QS and the breaker 1QF is point A, a connecting point between the disconnecting switch 2QS and the breaker 2QF is point B, and the point A is connected with the point B through an overline disconnecting switch 3QS; and the standby power system also includes an automatic switching control system, the automatic switching control system includes a spare power automatic switching device, and the spare power automatic switching device is connected with a main transformer high voltage side intelligent component, a main transformer low voltage side alpha phase intelligent component and a main transformer low voltage side beta phase intelligent component through a GOOSE network.

The invention provides an electronic mutual inductor error characteristic on-line comparison and calibration device. The device comprises an electronic mutual inductor module, an electromagnetic mutual inductor reference standard module, a standard mutual inductor module and a data acquisition module; one end of an isolating switch is connected with the electromagnetic mutual inductor reference standard module which is connected with the electronic mutual inductor module, and the other end is connected with the standard mutual inductor module; the data acquisition module is connected with the electronic mutual inductor module, the electromagnetic mutual inductor reference standard module, and the standard mutual inductor module. By means of the device and the method, the accuracy and reliability of electronic mutual inductor operation data on-line comparison and calibration are improved, and reliable data support is provided for reasonable and accurate estimation of electronic mutual inductor error characteristics.

The invention discloses a message intercommunication system, method and device, computer equipment and a readable storage medium, and relates to the technical field of communication. A first client sends a target message to a server, and the server immediately returns a sending success receipt after successfully storing the target message and reminds a second client that a storage structure only has one message table. Thus, a large amount of distributed storage is avoided, the storage complexity and the operation and maintenance difficulty of the system are reduced, the performance of the message intercommunication system is improved, and simplicity and light weight are achieved. The system is applied to a first client, a server and a second client, and comprises the following steps: the first client sends a target message to the server; the server queries whether a target message is stored in a message table or not; when determining that the target message is not stored in the messagetable, the server allocates a target serial number identifier to the target message, and stores the target serial number identifier in the message table; the server returns a sending success receiptto the first client; and the server sends second message feedback to the second client.

The invention discloses a CPRI (Common Public Radio Interface) data compression and transmission method and system. The CPRI data compression and transmission method comprises the steps of receiving input baseband I/Q data, finding the maximum value of continuous N sample points and determining the value of a compression factor K of sample data through the maximum value; caching the received baseband I/Q data and performing time sequence alignment for the cached data and the compression factor K; performing compression operation, including, performing corresponding cut-compression for the baseband I/Q data based on the value of the compression factor K until the data are compressed into 6-bit data; transmitting the compressed 6-bit I/Q data and a 4-bit compression factor K to a to-be-decompressed terminal through the CPRI according a protocol; and performing decompression operation for the compressed 6-bit I/Q data based on the value of the compression factor K so as to recover the data into 15-bit I/Q data. By adoption of the CPRI data compression and transmission method and system, the data transmission capability of the CPRI can be improved, the technology implementation difficulty and complexity can be reduced and the cost can be saved under the condition of meeting the system performance indexes.

The invention relates to a distributed micro-service architecture data center intelligent sensing control system and method. According to the system and the method, a traditional monitoring Web application architecture is improved, a vertical monitoring architecture is changed into a system architecture combining a distributed architecture and a micro-service, the system architecture is independently deployed on professional equipment, a cluster monitoring function is independent from a cluster, and meanwhile, the complexity is simplified by changing offline confirmation and data synchronization operation, functions are converted into online visual processing, and the operation and maintenance difficulty is reduced. Functionally, software and hardware states of a vehicle depot cluster canbe monitored, an opposite-end control center cluster can also be monitored, a fault can be rapidly reported to an uploading platform once the fault occurs, and after the fault is recovered, an operator of the double centers checks the fault, and when it is confirmed that data synchronization operation can be carried out under the current condition, data synchronization operation is triggered manually, so that data consistency among clusters is ensured.

The invention relates to the field of communication, and discloses a detection method and device for receiving calibration of an array antenna, which are used for avoiding the increase of extra hardware cost in the detection process and reducing the later operation and maintenance difficulty. The method comprises the following steps of: ; after finishing receiving calibration, the base station performs receiving calibration; transmitting a detection signal from the calibration channel at a specified time domain position; the method comprises the following steps: acquiring a detection signal ofeach radio frequency receiving channel, looping the detection signal back to each radio frequency receiving channel through radio frequency so as to calculate amplitude-phase characteristic parameters of each radio frequency receiving channel, and finally determining that the receiving calibration is normal when determining that each radio frequency receiving channel meets the amplitude-phase consistency requirement based on the acquired amplitude-phase characteristic parameters. Thus, equipment hardware structures of existing base stations do not need to be changed, other external auxiliaryinstruments and meters do not need to be adopted, detection for the calibration effect can be smoothly completed only through hardware conditions of the base stations, accordingly, extra hardware costadded in the detection process is effectively reduced, and meanwhile the later operation and maintenance difficulty is reduced.

The invention provides a multi-reader anti-collision method, device and equipment for RFID tag access. The method comprises that: the time slot state of each reader is utilized; M rounds of iterativetraining are performed on a preset Actor-Critic network model, and, after the reader anti-collision model with the optimal reader time slot allocation strategy is obtained, the reader anti-collision model is utilized to allocate the time slot to each reader, so that the RFID tag is accessed according to the time slot allocated to each reader, and the reader collision problem in the tag access process of the RFID system is effectively avoided. By the adoption of the technical scheme, changes of the RFID system can be dynamically adapted, the operation and maintenance difficulty of the RFID system is reduced, and the collision probability of the reader is reduced.