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201results about How to "Reduce load pressure" patented technology

Micro-grid cluster distributed control method and system based on information interconnection

The invention relates to the technical field of micro-grid distributed control, in particular to a micro-grid cluster distributed control method and system based on information interconnection. The method comprises the following steps: identifying a micro-grid cluster in a region, and extracting a plurality of micro-grid nodes; obtaining a plurality of microgrid operation state parameters; performing filtering standardization processing on the plurality of micro-grid operation state parameters, and constructing a micro-grid time sequence load change curve; discrete wavelet transform is carried out on the micro-grid time sequence load change curve, load fluctuation frequency trend mining is carried out, and micro-grid load fluctuation frequency trend characteristics are generated; carrying out data stream encapsulation on the load fluctuation frequency trend characteristics of the micro-grid, and constructing a cloud environment distributed computing framework; carrying out dynamic load demand calculation on the plurality of micro-grid nodes based on a cloud environment distributed calculation framework so as to obtain multi-period load demand prediction data of each micro-grid; according to the invention, high-efficiency microgrid cluster control with high energy utilization rate is realized.
Owner:NINGBO OSDA SOLAR CO LTD

Business data processing method and device, computer equipment and readable storage medium

The invention relates to the technical field of big data, and particularly discloses a business data processing method and device, computer equipment and a readable storage medium. The method comprises the following steps: in response to a resource registration request for target service data, grouping the target service data to obtain a plurality of grouped data; the target business data comprises any business data in the business data uploaded by the plurality of resource transaction channel ends; storing the grouping information of the plurality of grouped data to a clearing task queue list corresponding to the target business data; issuing the task processing message to enable a plurality of servers subscribing the task processing message to obtain grouping information from the clearing task queue list in parallel, and executing a registration subtask on the grouping data according to the grouping information; and according to the sub-task execution states of the grouped data returned by the plurality of servers, determining resource registration operation results of the plurality of grouped data. By adopting the method, the accuracy of business data processing can be improved.
Owner:CHINA CONSTRUCTION BANK +1

Internet of Things gateway and operation method thereof

The invention relates to the technical field of Internet of Things gateways, in particular to an Internet of Things gateway and an operation method thereof. The method comprises the following steps: acquiring power system data, and constructing a power grid node topological structure diagram, so as to form a power system Internet of Things gateway; based on an Internet of Things gateway, power grid transmission demand prediction is carried out, an abnormal load state is analyzed, abnormal fluctuation of voltage and frequency is detected, and the stability of a power system is ensured; according to the frequency abnormity and voltage fluctuation data, the aging trend of power grid equipment is estimated, power resource loss estimation is carried out, abnormity early warning is carried out on power resource loss and equipment damage prediction data by utilizing an Internet of Things gateway, safe operation of a power grid is ensured, and early warning information is fed back to a terminal in time. According to the method, the intelligent level of the power system is effectively improved, and efficient resource configuration and fault management can be realized. According to the method, the Internet of Things gateway early warning is optimized, so that the Internet of Things gateway prediction is more efficient and accurate.
Owner:GUIYANG JIANGAN NETWORK TECHNOLOGY CO LTD

H-bridge series-parallel active support type SVG system and control method

The invention discloses an H-bridge series-parallel active support type SVG system and a control method, and relates to the technical field of active support type SVGs, the H-bridge series-parallel active support type SVG system is formed by three-phase star connection of a chain structure, each phase is formed by connecting an H-bridge power module and a super capacitor power module in series, the H-bridge power module and the super capacitor power module are both controlled by the power control module; the H-bridge power module is used for providing reactive power support for the static var generator system and maintaining the stability of the voltage of the power grid by adjusting the reactive power injected into the power grid; and the super capacitor power module is used for providing active support for the static var generator system so as to realize frequency active support of the static var generator system to a power grid. According to the invention, the configuration scheme of the active support type SVG super capacitor is simplified, the overall configuration is more flexible, and the expandability is stronger.
Owner:NANJING GUODIAN NANZHI NEW ENERGY TECH CO LTD

New energy station management system and method based on smart power grid

The invention discloses a new energy station management system and method based on an intelligent power grid, and the system comprises a real-time monitoring module which is used for predicting the charging load fluctuation of an electric vehicle based on real-time monitoring data, a scheduling module which is used for adjusting the output of new energy power generation equipment according to the predicted load fluctuation, and an optimization module. The power distribution network management module is used for optimizing charging scheduling in a charging station and avoiding overload caused by peak charging at the same time, the dynamic adjustment module is used for dynamically adjusting the voltage and frequency of a power distribution network, and the real-time monitoring module is used for monitoring the state of the power distribution network in real time and dynamically updating a management strategy; according to the new energy station management system and method based on the smart power grid, the problems that in the prior art, due to instability and rapid change characteristics of electric vehicle charging loads, severe fluctuation of the loads can bring extra pressure to a power distribution network, the overload problem of the power distribution network is caused, and then the reliability and safety of the power grid are affected are solved.
Owner:HUANENG FUXIN WIND POWER GENERATION CO LTD

Electric vehicle cluster scheduling strategy and system based on deep reinforcement learning

The invention relates to the technical field of electric vehicle cluster scheduling, and discloses an electric vehicle cluster scheduling strategy and system based on deep reinforcement learning, and the method comprises the steps: determining an electric vehicle cluster scheduling range based on the charging willingness of a user; converting a cluster scheduling problem into a Markov process to obtain a conversion result; and designing a reward function for each charging station, and solving through a deep enhancement algorithm to obtain a final electric vehicle cluster scheduling strategy. According to the method, the load peak-valley difference and peak regulation cost of the urban power grid system are converted into an optimization problem by using deep reinforcement learning, so that the load pressure of the urban power grid system can be reduced, and normal and safe operation of a power distribution line is ensured; and the scheduling efficiency can be improved by considering the number of the electric vehicles needing to be scheduled instead of charging scheduling of all the electric vehicles in a city range.
Owner:GUIZHOU POWER GRID CO LTD

Optical storage, charging and inspection integrated primary-secondary power supply vehicle

The invention relates to the field of mobile energy storage vehicles, in particular to an optical storage, charging and inspection integrated primary and secondary power supply vehicle. The light storage, charging and detection integrated child-mother type power supply vehicle is a product integrating photovoltaic power generation, mobile energy storage and mobile charging, the child-mother vehicle partner matching mode is adopted, under the condition that the use scene of the mother vehicle is limited, charging operation can be independently completed through the child mobile charging vehicle, the use scene is greatly enriched, and the use experience is improved. The vehicle comprises a mother carriage, a battery management system, an energy storage module, a main control module, a photovoltaic panel and a son mobile charging vehicle, the main control module is in signal connection with the battery management system and the photovoltaic panel, the battery management system is in signal connection with the energy storage module and the photovoltaic panel, the photovoltaic panel is electrically connected with the energy storage module, and the energy storage module is provided with a mains supply connection interface. The child mobile charging vehicle is located in the mother compartment, and the child mobile charging vehicle is configured to selectively move to the outside of the mother compartment to supply power to the outside and move to the inside of the mother compartment to be connected with the energy storage module.
Owner:HUNAN SINTOON AUTOMOBILE MFG CO LTD

Memory resource processing method and device, equipment, medium and product

The invention discloses a memory resource processing method and device, equipment, a medium and a product, and relates to the field of Internet of Vehicles. The method comprises the steps of marking a first page to obtain a page identifier corresponding to the first page under the condition that the vehicle-mounted terminal has a switching display requirement of switching from the first page to a second page; loading page resources corresponding to the second page; and under the condition that the first page meets the page release condition, releasing memory resources occupied by the first page based on the page mark. According to the method, the memory resource occupied by the first page in the mobile terminal is released under the condition that the quitted first page meets the page release condition, so that the memory resource is released for the quitted page of the vehicle-mounted terminal in the vehicle-mounted interconnection scene; the situation that the memory of the mobile terminal is occupied too much due to the fact that the interconnection duration is long or the user operates the pages too much is avoided, the load pressure of the mobile terminal is reduced, and the stability of vehicle-mounted interconnection implementation is guaranteed.
Owner:GUANGZHOU KUGOU COMP TECH CO LTD

Remote sensing image slicing system and method based on FPGA

The invention provides a remote sensing image slicing system and method based on an FPGA (Field Programmable Gate Array). The system comprises a CPU (Central Processing Unit) module and an FPGA module, the CPU module is used for decoding an input original image and transmitting decoded image data and a corresponding first configuration parameter to the FPGA module; the FPGA module comprises an image slicing module and a memory module; the image slicing module is used for segmenting the original image into a plurality of slice images based on the first configuration parameter, and the memory module is used for storing the original image and the generated slice images. A CPU module and an FPGA module are combined, a plurality of image slices can be processed at the same time by means of the parallel computing capacity of an FPGA, and the processing speed and efficiency are improved; and the method has relatively low processing delay and flexibility.
Owner:EHIWAY MICROELECTRONIC SCI & TECH (SUZHOU) CO LTD

Active lift-augmentation tandem wing type ground effect aircraft

The invention relates to an active lift augmentation tandem wing type ground effect aircraft, and relates to the field of ground effect aircrafts. The defects that a stable take-off environment is needed, take-off time is long, and operation is complex are overcome. An active lift-increasing tandem wing type ground effect aircraft comprises a machine body, a cockpit is formed in the middle of the top of the machine body, connecting pieces symmetrically arranged in the direction of the machine body are fixedly installed on the front side and the rear side of the machine body correspondingly, and wing structures are fixedly connected to the connecting pieces on the front side and the connecting pieces on the rear side correspondingly; the inclination angle between the wing structures fixed to the connecting pieces on the front side of the aircraft body and the ground, the inclination angle between the wing structures fixed to the connecting pieces on the rear side of the aircraft body and the ground and the inclination angle between the wing structures fixed to the connecting pieces on the rear side of the aircraft body are larger than the inclination angle of the front-side wings. By means of the tandem wing type layout, the inclination angles of the paddles, the front wing structure and the rear wing structure relative to the ground are increased, and when the aircraft runs, the aircraft can obtain the maximum lift force compensation under the influence of the ground effect.
Owner:JIANGXI WENYU DIYI AIRCRAFT CO LTD

Fine energy management method and device for optical storage and charging integrated power station

The invention discloses an energy fine management method and device for an optical storage and charging integrated power station. The method comprises the following steps: determining the charging power difference between the power generation power of new energy of the power station and the power required by charging of an electric device; establishing a relation function between the unit electricity price and the charging power difference of the power station, and representing the charging power difference through the unit electricity price; the unit electricity price is used as an input variable of the fuzzy logic controller, and the output current of the energy storage battery is used as an output variable of the fuzzy logic controller; and the magnitude and the flow direction of the output current of the energy storage battery are controlled by using the output result of the fuzzy logic controller. By adopting the scheme, the expected charging and discharging state of the battery is controlled, the service life of the battery is prolonged, the transmission power between the power station and the power grid is stable, no large instantaneous fluctuation exists, stable control over the light storage and charging integrated power station is achieved, meanwhile, the dependence of the power station on the external power grid is reduced, and the economic benefits of power consumers are improved.
Owner:STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER CO +1

Request shunting system based on configuration algorithm

The invention relates to a request shunting system based on a configuration algorithm, and relates to the field of computer networks and software engineering. The system comprises a data acquisition module which is used for collecting server state information and network request characteristics; the configuration algorithm module is used for adjusting a load distribution strategy of the server; the strategy configuration module is used for customizing and testing a shunting strategy by a background administrator; the shunting decision module is used for performing shunting decision on the output result of the configuration algorithm; the execution module is used for executing the shunting decision and guiding a request for executing the shunting decision to the server or the processing logic; and the monitoring and self-adaption module is used for monitoring the shunting effect and adjusting the shunting rule. According to the invention, the method achieves the dynamic adjustment of the request distribution strategy, guarantees that the server is still effectively processed when a fault or overload occurs, achieves the differentiated processing mode of the request, simplifies the system configuration, and improves the operation and maintenance efficiency.
Owner:HAIER CONSUMER FINANCE CO LTD

Method for improving cleaning capability of silicon wafer box

The invention relates to a method for improving the cleaning capacity of a silicon wafer box, and belongs to the technical field of silicon wafer box cleaning processes, and the method comprises the following operation steps: 1, cleaning in an ultrasonic tank in cooperation with a TSC-1 solution; secondly, after HF is diluted, the silicon wafer box is cleaned in an HF tank; and 3, cleaning and soaking the silicon wafer box in the pure water soaking tank. And 4, carrying out basket type soaking cleaning on the silicon wafer box in N + 1 pure water overflow tanks. And 5, cleaning the silicon wafer box, spraying, and removing a large amount of water on the surface through centrifugation. And step 6, drying in a drying box through heating, and blowing the silicon wafer box by nitrogen at the same time. The device has the advantages of convenient operation, good operation stability and good effect. The problem that the silicon wafer box is difficult to clean and easy to pollute the silicon wafer is solved. And the loading pressure of the wafer box cleaning machine is reduced while the wafer box cleaning capability is improved.
Owner:杭州中欣晶圆半导体股份有限公司

Access control method and device and computer equipment

The invention relates to an access control method and device and computer equipment. The method is applied to a remote network interface card of a server, and comprises the following steps: in response to an access permission acquisition request of a target shared storage device sent by a current computing node, acquiring access permission information of the target shared storage device for the current computing node, and sending the access permission information to the current computing node, and indicating the current computing node to control to access the target shared storage device according to the access permission information. By adopting the method, the virtual machines on the plurality of computing nodes can be controlled to perform coordinated access on the shared storage device, so that data acquired by the plurality of virtual machines on the plurality of computing nodes are prevented from conflicting, the data consistency can be ensured, and the fence reading and writing capability is improved.
Owner:CHINA TELECOM CLOUD TECH CO LTD

Power grid energy management optimization platform based on big data

The invention discloses a power grid energy management optimization platform based on big data, and relates to the technical field of power grid energy management, and the platform comprises the following steps: firstly, deploying real-time power monitoring equipment in an area where high-tech industries are centralized, and obtaining real-time power consumption data of enterprises and key electric equipment in real time through the power monitoring equipment; and a data interface is established, an enterprise is allowed to autonomously upload power utilization data of internal key equipment, and the comprehensiveness and accuracy of the data are improved. According to the scheme, through real-time power monitoring, feature extraction and machine learning model evaluation, accurate monitoring and intelligent scheduling of power consumption are realized. Aiming at normal and surge power demands, stable power supply and efficient utilization of resources are ensured through load prediction and a distributed optimization algorithm, risks of network paralysis, power failure and the like caused by sudden power demands are avoided, and enterprise operation and power grid safety are guaranteed.
Owner:南京迅集科技有限公司

Hook bar feeding and welding device for tower column hook bar preparation equipment

The utility model provides a hook bar feeding and welding device for tower column hook bar preparation equipment, reinforcing mesh frame preparation equipment comprises a first operation platform and a second operation platform, a jig frame is arranged between the first operation platform and the second operation platform, an automatic feeding and welding unit is arranged on the first operation platform, and a hook bar feeding and welding unit is arranged on the second operation platform. The automatic feeding and welding unit is connected with a lifting device on the first working platform, a drag hook rib material frame is arranged on one side of the automatic feeding and welding unit, a multi-degree-of-freedom first mechanical arm is arranged on the automatic feeding and welding unit, and a penetrating and feeding mechanism is arranged on the first mechanical arm; power assisting equipment is additionally arranged, and the load pressure directly acting on the mechanical arm is reduced. The L-shaped drag hook rib feeding and clamping equipment is subjected to reinforced design, and a clamping mechanism is optimized and can be adjusted in multiple directions.
Owner:CCCC SECOND HARBOR ENGINEERING CO LTD

Medium-sized two-degree-of-freedom high-precision rotary table

The utility model provides a medium-sized two-degree-of-freedom high-precision rotary table which is unique in design and comprises a base and an orientation and pitching rotation driving device. The pitching rotation driving device ensures that the carrier stably rotates around the X axis, and friction and vibration are reduced through a pitching bearing, an inner pressing ring and an outer pressing ring. The azimuth rotation driving device adopts a double-bearing structure, namely an azimuth large bearing and an azimuth small bearing, which are arranged on an azimuth shaft, so that the rotation precision and stability of the turntable are obviously improved. The double-bearing design not only disperses the load pressure, but also reduces the load of a single bearing through additional support, and ensures that the equipment stably operates under high load and external overturning force. According to the design, the bearing capacity of the rotary table is improved, the service life of equipment is prolonged, and reliable guarantee is provided for various applications needing high-precision rotation.
Owner:CHANGCHUN CGUL INFRARED TECH

Steel rolling equipment foundation platform main beam bottom protection layer control device and construction method

The invention relates to the technical field of metallurgical buildings, in particular to a steel rolling equipment foundation platform main beam bottom protection layer control device and a construction method.The beam bottom protection layer control device is placed above a platform plate at the top of a steel pipe support system and stretches across a main beam rib, and a beam bottom cushion block is placed between the bottom of the main beam rib and the platform plate; the device comprises a support base supported on the top face of a platform plate, a support vertical rod is vertically and fixedly connected to the support base, height adjusting telescopic pieces are installed on the top of the support vertical rod, a support transverse rod stretching across a main beam rib is installed between the two height adjusting telescopic pieces, and a hook used for hooking the main beam rib is vertically installed on the support transverse rod. The device is arranged across a main beam, the weight of a main beam rib is transferred to the platform plate through the support vertical rod and the support base, stress is dispersed, the load pressure of the beam bottom cushion block is reduced, the effect that the thickness of a protection layer is doubly controlled through the beam bottom cushion block and the control device is achieved, and the device can also serve as an auxiliary lifting frame when the main beam rib is bound.
Owner:CHINA MCC22 GROUP CORP LTD

Workshop H-shaped steel combined type through window welding wall

The invention relates to the technical field of walls, in particular to a workshop H-shaped steel combined type through window welding wall which comprises a foundation, a plurality of stand columns are evenly installed at the top end of the foundation at equal intervals, cross beams are symmetrically installed on one sides of the stand columns, window seats are installed on the inner sides of the cross beams in an embedded mode, and outer wall plates are symmetrically installed on the outer sides of the cross beams. According to the invention, relative independence is maintained while integrated connection is realized, a sufficient flexible unloading support space is provided while stable rigid support is obtained, good combination of rigid support and elastic support is realized, and the supporting effect is good. Load pressure at the welding position is effectively dispersed and converted, multi-point auxiliary supporting is achieved, the effectiveness, stability and impact resistance of supporting are improved, the load pressure at the welding position is reduced, the situation that the welding seam is damaged due to torque superposition stress is effectively avoided, the stress stability at the connecting position is improved, and the durability of a wall is improved.
Owner:SHANXI NO 3 CONSTR ENG

Page loading speed comprehensive optimization method and system based on React framework

The invention discloses a page loading speed comprehensive optimization method and system based on a React framework, and belongs to the technical field of front-end development. Loading is realized by using a React.lazy function and a Suspense component, so that the initial loading time is shortened; server-side rendering is carried out in combination with a Next.js framework, and part of rendering work is moved to a server side, so that the rendering pressure of a client side is reduced; static resources are compressed and merged by means of a Webpack tool, and the HTTP request frequency and the resource volume are reduced; implementing a data prefetching strategy according to a React component life cycle hook mechanism, and obtaining data in advance to reduce user waiting; repeated resource acquisition requests are reduced by utilizing the caching functions of the browser and the server. According to the method, the loading speed of the React page is effectively increased, the user experience is remarkably improved, and an efficient and feasible solution is provided for page performance optimization in front-end development.
Owner:HANGZHOU ARTECH

Emergency gear shifting fork system

The utility model discloses an emergency gear-shifting shifting fork system, relates to the technical field of power transmission devices, and aims to solve the problems that the load on a transmission shaft is relatively large and the transmission shaft vibrates and spreads to damage a gear-shifting shifting fork in emergency gear-shifting reconditioning. According to the emergency gear-shifting shifting fork system, the gear-shifting gear sleeve, the butt-joint gear sleeve and the emergency gear are arranged, so that the influence of environmental factors on emergency gear-shifting transmission is reduced, and the reliability of emergency gear-shifting transmission is improved; and the servicing weight of the emergency gear shifting fork structure is reduced, the load pressure of a gear shifting fork system on a power source is reduced, and the possibility that the power source of a transmission shaft is influenced by accidental transmission movement of an emergency gear shifting system is reduced. By arranging the limiting pin and the shifting fork shaft, the possibility that mechanical movement such as vibration of a transmission system spreads to emergency shifting is reduced, the possibility that the servicing state of an emergency gear shifting system fails is reduced, and the maintaining effect of the emergency function of gear shifting preparation is improved.
Owner:ZHEJIANG WANLI YANGZHIQU TECHNOLOGY CO LTD

Circuit structure, air conditioning system and control method

The invention provides a circuit structure, an air conditioning system and a control method, and the circuit structure comprises a bus circuit which is provided with a load; the voltage reduction assembly is connected with the bus circuit; the pressure reduction assembly comprises a control part; the control module is in signal connection with the control part, and the control module controls the bus circuit to be connected or disconnected through the control part; when the control part controls the bus circuit to be connected, the bus circuit charges the voltage reduction assembly; when the control part controls the bus circuit to be disconnected, the voltage reduction assembly supplies power to the bus circuit, and the circuit structure solves the technical problem that the voltage withstanding requirement of parts on the bus of the inverter circuit is high.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Workflow processing method and device, storage medium, and electronic device

The embodiment of the present invention is about a method and device for processing a workflow, a storage medium, and an electronic device, and relates to the field of computer technology. The method includes: receiving a processing request including a workflow to be processed, responding to the processing request to determine whether there is process definition information corresponding to the workflow to be processed in a local cache pool; when it is determined that there is a process definition corresponding to the workflow to be processed in the local cache pool, executing the workflow to be processed according to the process definition information; when it is determined that there is no process definition information corresponding to the workflow to be processed in the local cache pool, obtaining the process definition information corresponding to the workflow to be processed from a distributed cache cluster, and executing the workflow to be processed according to the process definition information. The embodiment of the present invention improves the efficiency of executing the workflow to be processed.
Owner:BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1

Space laser communication monitoring and interaction integrated detection device

This invention belongs to the field of space laser communication and deep space exploration technology, and discloses an integrated detection device for space laser communication monitoring and interaction. The device includes a main body, on which are integrated a solar panel, a navigation imaging device, a communication antenna, a communication receiver, a radar, a landing support, and functional components for communication monitoring, environmental perception, and interactive operation. This invention forms a closed-loop system through electrical, signal, and mechanical connections, enabling simultaneous execution of multiple tasks, significantly improving the device's space operation efficiency, reducing the load pressure on space launch vehicles, and adapting to the space constraints of on-orbit operations. The communication antenna and receiver achieve bidirectional signal interaction through a high-speed laser communication module and are linked with the navigation imaging device and environmental sensors to ensure stable transmission and status monitoring of laser communication signals, which is beneficial for practical applications and operations.
Owner:MAIGE INTELLIGENT TECHNOLOGY (WUHAN) CO LTD

A linear scalability cluster construction system and method

The present invention provides a system and method for building a linear scalability cluster, the building system comprising: dividing into business units and global units according to the data characteristics of the service during deployment; dividing into logical units and physical units from the deployment architecture. Data splitting according to the business dimension reduces the connection bottleneck and capacity bottleneck of a single database, and reduces the fault isolation granularity when the service or database fails. Reduce the service and database load pressure of a single computer room, reduce the fault isolation granularity, solve the complexity of capacity estimation and expansion, reduce the cost of fault switching, and have extremely high linear scalability.
Owner:DIGITAL CHINA FINANCIAL SOFTWARE LTD

Data sharing system based on P2P technology

The invention discloses a data sharing system based on the P2P technology, and relates to the technical field of data sharing, data pre-shared by a user is obtained through a client module and is shared to other trusted clients, an equipment scoring unit scores the trusted clients, and the trusted clients are shared by the equipment scoring unit. The sharing analysis unit periodically analyzes the data capacity and click time of all the shared data and calculates a sharing capability evaluation amount in combination with an equipment score, and the sharing management unit intercepts a plurality of trusted clients according to the sharing capability evaluation amount to obtain a sharing management table; then, after a certain client module pre-shares the data, a sharing client is preferentially selected from the sharing management table, and the sharing client replaces the transfer service unit to carry out data sharing operation, so that the load pressure of the server on the shared data can be greatly reduced through the mode; and meanwhile, the shared resources of the trusted client can be reasonably utilized as much as possible.
Owner:ZHONGSHUI SANLI DATA TECH CO LTD

Domain name resolution method and device based on domain name request risk management and control

The application discloses a domain name resolution method and device based on domain name request risk management and control, the method comprises the following steps: identifying domain name requests as normal domain name requests or abnormal domain name requests; according to the user domain name access behavior data set and the abnormal domain name association strength, evaluating the security rating and the security score of the user; sending the normal domain name requests initiated by users with different security ratings to the DNS server subset cluster corresponding to their levels, so that the DNS server subset cluster of the level responds to the normal domain name requests in order based on the security score; predicting the normal domain names with high probability of access to form a domain name resource list, which is used to cache the domain name resource list to the selected DNS server when the security rating of the user is higher than the set threshold, so as to improve the domain name resolution cache hit rate and the resolution efficiency. The application solves the problem of reduced performance of the domain name server caused by the low utilization rate of the conventional DNS server due to the zombie network attack.
Owner:INST OF SOFTWARE - CHINESE ACAD OF SCI

Message polling resending method, device, server and storage medium

This application relates to the field of mobile communication technology, and in particular to a message polling resending method, apparatus, server, and storage medium. The method includes: obtaining a message report push table and a client status table; identifying service messages in the message report push table that have been pushed to the target client but not received by the target client, and identifying the client status of the target client in the client status table; and when the client status is online, polling and resending service messages to the target client at first preset intervals. This solves the problems in related technologies, such as the inability to balance server performance and timeliness, leading to excessive server load, degraded client performance, and the inability of the server to monitor the real-time status of the client, which can easily result in incorrect concatenation of interface request results.
Owner:CHERY AUTOMOBILE CO LTD

Monitor for real-time remote positioning of golf

The utility model discloses a monitor for golf real-time remote positioning, which comprises a monitoring camera body, the surface of the monitoring camera body is sleeved with a shell, the shell can slide back and forth on the surface of the monitoring camera body, the two sides of the shell are fixedly connected with supports, and the supports are fixedly connected with the monitoring camera body. The side, away from the shell, of the support extends to the bottom of the monitoring camera body and is fixedly connected with a sleeve plate, the bottom of the monitoring camera body is movably connected with a transmission rod through a bearing, the surface of the transmission rod is fixedly connected with a rotating wheel, and the bottom of the rotating wheel is fixedly connected with a sliding rod located in the sleeve plate. And the sliding rod is in sliding connection with the sleeve plate. According to the utility model, the housing slides back and forth on the surface of the monitoring camera body, the amount of light entering the camera is directly controlled, the housing moves forward to enlarge the shading area, overexposure or identification interference caused by direct sunlight is avoided, the housing moves backward to reduce the shading range, the amount of light entering is increased, and the imaging quality in a low-light environment is improved.
Owner:WUXI HAOYING SPECIAL VEHICLE CO LTD

Data load processing method and device, computer equipment, readable storage medium and program product

The invention relates to a data load processing method and device, computer equipment, a readable storage medium and a program product. The method comprises the steps of obtaining a to-be-processed data load of a target data center, determining a data load type of the to-be-processed data load, and performing delay data processing on the to-be-processed data load on the basis of the data load type under the condition that a preset data load delay processing condition is met, or performing delay data processing on the to-be-processed data load on the basis of the data load type under the condition that a preset data load space transfer condition is met. And transferring the to-be-processed data load from the target data center to a remote data center, wherein the remote data center is used for carrying out data processing on the obtained to-be-processed data load. By adopting the method, data load processing can be efficiently carried out.
Owner:SHENZHEN POWER SUPPLY BUREAU