237results about How to "Solve the load problem" patented technology

The invention provides an Internet of Things platform construction method based on a micro-service architecture. The method comprises the following steps: S1, dividing a micro-service level for an Internet of Things platform; S2, the micro-service deployment module deploying a micro-service cluster of the Internet of Things platform by using a Docker Swarm tool, and registering micro-service information to a service discovery center; S3, distributing the client requests to the micro-service of the Internet of Things platform through a load balance scheduling module; S4, a service load prediction module establishing a differential integration autoregressive moving average model and calculating a service load prediction value; S5, the service performance prediction module generating a performance prediction value according to the service load prediction value and the instance number; and S6, the container dynamic scheduling module performing horizontal expansion and contraction of the micro-service according to the performance prediction value. According to the Internet of Things platform constructed by the method, rapid expansion of new functions is carried out according to market demand changes, and container cluster expansion is carried out according to real-time loads, so that the expandability of the Internet of Things platform is improved.

Disclosed is a 5G or pre-5G communication system provided so as to support a data transmission rate higher than that of a 4G communication system, such as LTE. A method and a device for transmitting information in a communication system are disclosed. The method for allocating resources in a cellular network using an unlicensed band comprises the steps of: generating at least one resource allocation signal containing information indicating a plurality of continuous uplink subframes capable of communicating through the unlicensed band; transmitting the resource allocation signal to a user equipment (UE) through the unlicensed band for the duration of at least one downlink subframe; and receiving uplink data from the UE for the duration of the continuous uplink subframes.

The invention discloses a heavy-load precise double-arm manipulator with arms cooperating with each other in a space. The manipulator comprises a linkage guide rail assembly, the load-bearing mechanical arm used for bearing weights and the assistant positioning mechanical arm used for guaranteeing workpiece positioning precision. Because the load-bearing mechanical arm and the assistant positioning mechanical arm can cooperate with each other in the space, it is guaranteed that the whole manipulator structure has high load bearing capacity and also has high positioning precision, the problem of contradiction between the load bearing capacity and precision of existing manipulators is solved, and the requirements for clamping of workpieces with different shapes, high surface precision, high efficiency and high safety performance are met.

The invention discloses a method and apparatus for determining a malicious access. The method comprises the following steps: determining a first time period when an access request of an IP address is received; counting the access frequency of the IP address in each sub time period; according to the access frequency of the IP address in each sub time period and an access frequency weight value configured to each sub time period, counting an weighing average value of the access frequency of the IP address in each sub time period; and comparing the weighing average value with a preset first access frequency threshold, and when the weighing average value is greater than the preset first access frequency threshold, determining that the IP address belongs to the malicious access. The invention also simultaneously discloses a method and apparatus for determining a malicious access. By using the methods and apparatus provided by the invention, the accuracy in determining the malicious access can be improved, access of the IP address of the malicious access is restricted, an over high server load is prevented, and at the same time, quite good application experience of users can be guaranteed.

The invention provides an SQL rewrite based database external encryption / decryption system and a usage method thereof. The system comprises an SQL rewrite main module, a statement parsing module, a grammatical rule management module, an encryption / decryption table management module, a rewrite execution module and a data encryption / decryption module. The method comprises the steps of executing a rewritten data sheet creation process, a rewritten data insertion process and a data query process. According to the system and the method, an SQL rewrite technology is used, and data are encrypted and decrypted outside a database system, so that encryption / decryption costs of the database system are avoided.

The invention discloses a six-degree-of-freedom humanoid robot arm, and relates to a robot arm. The invention aims to solve the problems that the existing robot arm is cumbersome in joint structure, heavy in self weight, low in load bearing ratio and complicated to control. A shoulder rotating joint, a shoulder joint, an upper arm, an elbow rotating joint, a elbow swing joint, a fore arm, a wrist rotating joint, a wrist swing and a hand are sequentially arranged from top to bottom, wherein an arm swing motor is connected with a worm by virtue of a conveyor belt, an arm rotating motor is connected with a shoulder swing support by virtue of a conveyor belt, an upper arm shell is arranged between a shoulder joint and an elbow joint, an elbow rotating drive motor and a speed reducer are sequentially arranged in the upper arm shell from top to bottom, an elbow swing joint motor is arranged in an elbow joint shell and is connected with an elbow joint conveyor belt, an elbow joint speed reducer is arranged in the elbow joint shell, a hand connecting support is arranged between the fore arm and the hand, a wrist joint swing motor is arranged on one side of the hand connecting support, and a wrist joint rotating motor is arranged at the upper end of the hand connecting support. The six-degree-of-freedom humanoid robot arm is applied to a humanoid robot.

The invention discloses a distributed small file storage system based on UDP (User Datagram Protocol) and a data processing method thereof. The system comprises a first server, a second server, a third server, a fourth server and a fifth server, wherein the first server comprises an external server and a service monitoring server; the second server comprises a global naming server and a service monitoring server; the third server comprises an information index library server and a service monitoring server; the fourth server comprises a task managing server and a service monitoring server; the fifth server comprises a storing server and a service monitoring server; and the first server, the second server, the third server, the fourth server and the fifth server mutually transfer and process data through a UDP refitting protocol. The system can enhance the concurrent ability and the high-speed I / O (Input / Output) ability of the whole platform, and solve the problems of high-capacity storage and load balance by utilizing the UDP refitting protocol as a communication protocol of an interior server, and is especially suitable for the online services taking files as carriers.

The invention discloses an adjustable-speed magnetic induction coupler, which relates to the technical field of transmission in mechanical engineering, and comprises a driving disk assembly (I) and a driven disk assembly (II), wherein the driven disk assembly (II) comprises a driven disk substrate 1, a driven disk substrate 2, a driven disk substrate 3, sectorial copper plates or rectangular copper bars, a rotary connecting rod, springs, sliding rods and a sleeve 2; the driven disk substrate material is steel disk, the end faces of the driven disk substrates1 and 3 are provided with deep slots of which the depth is greater than half the thickness of the substrates, and the sectorial copper plates or rectangular copper bars, which have the same shape as permanent magnets, are rotationally embedded in the slots; the sliding rods are distributed on the two end faces of the driven disk substrate 2 along a circumferential direction, the springs are sleeved in the sliding rods, and the driven disk substrates 1 and 3 are fixed on the sliding rods and can compress the springs along the sliding rods; and the rotary connecting rods are connected with the driven disk substrates 1 and 3 and are fixed on the driven disk substrate 2 rotationally. The adjustable-speed magnetic induction coupler can be used in power transmission mechanisms between loads and high- vibration motors such as coal mills, crushers and coal belt conveyers and used in transmission systems of other devices.

The invention discloses a load balancing method, a load balancer and a system thereof. The method comprises: when a request form a client is received, a session Id is obtained from the request; and a server corresponding to the session Id is searched in a session list and the request is sent to the server, wherein a server address corresponding to the session Id is preserved in the session list. According to the technical scheme, the session Id is obtained in the request from the client and the corresponding server is determined by using the session Id, thereby ensuring that no interruption occurs during the session process. Moreover, load balancing is realized; and thus problems that session may be lost or the load is not balanced in the prior art can be solved and the beneficial effect of load balancing realization on the premise of session keeping is realized.

A process for carrying TiO2 photocatalyst on metal surface includes such steps as cleaning metal surface, anodizing in acidic medium, hydrolyzing, leaching and coating tetrabutyl titanate and TiO2 film under the weak alkaline condition by the sol-gel-powder suspension method, and igniting at proper temp. Its advantages are strong photocatalysis action for degradating organic pollutants, and good electric conductivity and machinability.

The invention discloses an outlet information privacy checking detection platform system based on an SDN (self-defending network). The system comprises a privacy checking detection module and a controller cluster control module, wherein the controller cluster control module comprises a state distribution / synchronization module, a domain management module, a distributed storage management module, an exchanger sharing control module and an exchanger interface communication module. The privacy checking detection module is deployed on a privacy checking detection server and comprises a daily security examination module, an internet surfing behavior control module, a suspicious terminal detection module, a Trojan horse detection module, a platform operation and maintenance management module, a self-security guarantee module, a policy database, a virus characteristic pattern base and a characteristic rule base. In addition, the invention further discloses a detection method of an outlet information privacy checking detection platform based on the SDN. Security of the internet outlet information privacy checking detection platform system can be greatly improved, and the flow burden of a service network is relieved.

The invention relates to an encryption and decryption method for a remote bid opening type bidding system. The method comprises an encryption process and a decryption process. In the encryption process, a bidding file is encrypted using an encryption and decryption key. In the decryption process, the bidding file is decrypted using the encryption and decryption key. The generation process of an encryption and decryption key includes the following steps: calculation is carried out on an original bidding file or an encrypted bidding file according to a predetermined algorithm to get an original character string; and then, the original character string is encrypted through a bidder digital certificate encryption public key, thus getting an encryption and decryption key. Through the method, the safety is ensured while remote bid opening is realized.

The invention discloses an automatic network access control method for an intelligent home appliance, which comprises the steps that: the intelligent home appliance accepts image information acquisition of a configuration terminal, wherein image information is used for triggering networked equipment or the configuration terminal to send network configuration information after identification and verification of a server; the intelligent home appliance receives the network configuration information sent by the networked equipment or the configuration terminal; and the intelligent home appliance is connected with network access point equipment according to the network configuration information. According to the automatic network access control method for the intelligent home appliance, which is provided by the invention, not only can manual network distribution and binding operations of a user be simultaneously avoided, but also safety of network access and binding of the home appliance can be ensured.

The invention provides a query method for distributed deployed heterogeneous database. The query method includes the following steps: receiving a database query request of an application program; determining a query type of this database query according to query information; determining if the query request is a primary request or not according to the query information; starting up a first thread corresponding to each query module of a query module set if so, and allowing each first thread to call a query interface of the corresponding query module to query data according to the query type; dividing query results of all the first thread according to the query module to which the first threads belong, and determining a result set according the dividing result; and acquiring a preset number of query results from the result set and sending the preset number of query results to the application program according to the query type. The query method can solve the problem of high load and high concurrency of the conventional data query system, improve the return speed of the query results, and then enhance the stability and the query efficiency of the system.

A bearer allocation method, a User Equipment (UE), a base station, and a serving gateway are disclosed. The bearer allocation method includes: when a network entity creates a bearer for a UE, determining that the bearer has a bearer retain characteristic, and marking a bearer retain flag in bearer context information; and when the UE enters an IDLE state, an evolved base station and an SGW to which the UE belongs reserving the bearer context information marked with the bearer retain flag.

The invention relates to a method for acquiring self-increment mass data files from multiple sources. In the method, the multithreading technology is utilized for acquiring self-increment data files in parallel from data sources, and the file slice technology and file continuous transferring technology are utilized for slicing the self-increment data files according to time, the increment of the self-increment data files is acquired each time. The acquiring time intervals are set according to a data generating circle, data file size estimation and business requirements, and current cyclic data files from server data source are checked by polling at regular intervals according to the acquiring time intervals, increment data are collected by aid of the file slice technology and the file continuous transferring technology to store locally in a form of small data files and to record current-time file byte size as an initial position of next polling acquirement. By acquiring the increment each time, the method realizes self-increment mass data files acquirement, so that the technical problems of long delay time, poor real-time performance, server load and stability influencing elements in collecting teledata of the current technology are solved.

The invention relates to a method for planning substations of a power distribution network. The method comprises the following steps that each 110-kV substation is arranged according to the N-1 principle distribution pattern, the capacity-load ratio ranges from 1.8 to 2.1, each 35-kV substation is arranged according to the N-1 principle distribution pattern, the capacity-load ratio ranges from 1.6 to 1.8, the distribution transform capacity-load ratio of each 10-kV substation ranges from 1.5 to 2.0; a boost and expansion project, the number of newly established substations and the main varying capacity are determined according to the target capacity-load ratio of each substation and the current operation and distribution situation of the substations of the power distribution network, and then the station location of each substation and the power supply radius are determined; the minimal investment and the minimal annual operation cost serve as objective functions, the constraint condition refers to the fact that the load requirement is satisfied, and an optimized operation is conducted through the objective functions; the minimal investment and the minimal annual operation cost of substation planning are determined; the number of the substations needing to be newly established and the number of the substations needing capacity increase are obtained through calculation and therefore the problems that the load rate of an existing circuit is ultra-high, the capacity-load ratio of each substation is ultra-low, and operation and dispatching are not flexible can be solved through the minimal investment and the minimal annual operation cost.

The invention discloses an impregnation preparation method of nanometer titanium oxide which takes shell powder as a carrier, and in particular relates to a reproducible porous nanometer titanium oxide powder which takes the shell powder as the carrier and the preparation method thereof. In the method, titanium oxide is loaded on a shell powder carrier by impregnation; firstly, alkoxide solution of titanium ester or titanium with appropriate concentration is prepared, then an activated shell powder carrier with certain proportion is impregnated in the alkoxide solution, then the obtained solution is stirred and stayed for a certain time, and treated by low temperature and abstersion pretreatment and finally roasted at high temperature, so the nanometer TiO2 forms high-strength bond with the shell powder and promotes the catalytic activity of the nanometer TiO2 at the same time. Impregnation can be conducted for a plurality of times to increase load. The nanometer TiO2 is characterized by small particle size, good compatibility with materials, high catalytic efficiency, good stability, good regenerability, and the like, and can be applied to the fields of plastics, rubbers, fibers, coatings, home electronic appliances, paints, ceramics, water and environmental manipulation, pharmaceutical and hygienic articles, etc. In terms of sources of raw materials and production technology, the preparation method not only reduces the production cost of the nanometer TiO2 catalyst but also is helpful for disposal of the increasingly serious environmental problems, thus bearing great environmental protection significance.

The invention discloses a composite gasoline desulfurizing agent loading heteropoly acid ionic liquid and application thereof and belongs to the technical field of oil processing. The composite gasoline desulfurizing agent is prepared loading heteropoly acid ionic liquid to MOFs (metal organic frameworks) by means of impregnation, wherein 10-50% by weight of the heteropoly acid ionic liquid is loaded in the MOFs; the MOFs used herein have the advantages such as structural stability, large specific surface area and pore diameter rule adjustability, and the problems of a conventional support such as low loading capacity, non-uniform distribution, proneness to catalyst loss, and proneness to active point poisoning; by introducing the heteropoly acid ionic liquid, it is possible to effectively catalyze oxidative sulfone-forming reaction of various thiophenic sulfides and it is possible to significantly improve desulfurization effect. In specific gasoline desulfurization, the composite gasoline desulfurizing agent has the advantages such as mild reaction conditions, good removal effect, low oil loss, zero significant effect on oil quality, and good reusability.

The invention discloses a preparation method of a laser modified titanium dioxide photocatalyst, which belongs to the technique field of environmental pollution treatment and the research field of new energy sources, and the method comprises the following steps: 1) surface treatment of a high-strength and high-elasticity porous polyester fiber net; 2) loading the titanium dioxide photocatalyst; and 3) modification of a titanium dioxide film by laser. The method is to sequentially carry out the protective sorting to the polyester fiber net according to the cleaned fiber net surface, then coat a film on the fiber net surface by using a sol-gel-coating method and taking tetra-iso-propyl titanate and isobutyl alcohol as raw materials under the weak base condition, and modify the film in a textile laser processor. The invention has advantages of extensive sources of raw materials, simple process, low cost, good stability of the prepared titanium dioxide film, and high photo-catalytic activity and efficiency, and has the antifouling, self-cleaning, antibacterial and air-cleaning effects, and the method can be used for the degradation of environmental harmful substance, and can serve as air purification material and dyeing wastewater treatment photocatalysis material.

The invention discloses a method and a system for accelerating speed of mixing game real-time data and updated data. By the method and the system, the load of a server is reduced, the wideband cost of a service end is reduced, the game patch updating speed of a client end is increased, and the user experience of online game acceleration is improved. The invention adopts the technical scheme that: the method comprises the following steps of: transmitting the real-time data of a game server and the client end to an agent server; storing the data of a game updating server in a cache network; and sending the game updating data to the client end requiring an updating request through the cache network.

The invention provides a network load balancing device and method. The device comprises a topology discovery module, a traffic statistics module, a large flow monitoring module, a load balancing rerouting module and a path calculation module, wherein the topology discovery module is configured to acquire network topology information and network parameter information, and the network parameter information includes energy consumption information of each switch in a network and capacity information of each link in the network; the traffic statistics module is configured to acquire network trafficinformation; the large flow monitoring module is configured to determine a large flow and a small flow on each link based on the network traffic information; the load balancing rerouting module is configured to calculate the load balancing degree of the links in the network based on the network topology information, the network parameter information and the network traffic information to determine an overload link; and the path calculation module is configured to determine a scheduling path of the large flow in the overload link based on the energy consumption information of the switches in the network and the network traffic information and form a new flow table.

The invention discloses a multi-live load balancing method and system applied to an openstack cloud platform, and belongs to the field of cloud computing pass. The technical problem to be solved by the invention is how to meet the requirements of four-layer and seven-layer flow load balancing, avoide a single-point fault of the load balancing node, achieve the maximum utilization rate of the loadbalancing node performance, and improve the resource utilization rate of the physical server on the cloud platform; the adopted technical scheme is as follows: the method comprises the following steps: open-source LVS and NGINX are used for carrying out load balancing on four-layer flow and seven-layer flow respectively; through cooperation of an open source quagga virtual router of an ospf protocol and a physical switch supporting the ospf protocol, multi-path selection is carried out; a multi-active mode is realized, and communication with a virtual machine in a tenant vpc is performed through an external network shared by tenants on an openstack platform, so that cross-vpc load balancing is realized. The system adopts a micro-service software architecture and comprises a UI layer, a back-end micro-service layer, an atomic micro-service layer and a far-end SLB-AGENT layer.

The invention discloses a preparation method of molybdenum carbide microspheres. The method comprises the following steps of: (1) adding strongly alkaline anion exchange resin to a molybdate solution, carrying out stirring reaction at a room temperature, obtaining a molybdenum ion-resin compound through washing and suction filtration, and drying the molybdenum ion-resin compound to obtain ion exchange resin microspheres containing a molybdenum element; and (2) putting the ion exchange resin microspheres containing the molybdenum element obtained in the step (2) into a ceramic crucible, roasting the microspheres at 700-1,000 DEG C in the presence of an inert gas for 1-4 hours, and naturally cooling the product to a room temperature to obtain the molybdenum carbide microspheres. The invention further discloses application of the molybdenum carbide microspheres in hydrogen production through electrolysis of water. The preparation conditions are low in demands; the raw materials are cheap and available; the prepared molybdenum carbide microspheres have electrochemical activity of catalytic low overpotential and good stability.

The invention relates to a multi-agent consistency control method based on event triggering. The method includes: establishing a general linear multi-agent dynamics model, and designing a distributedcontroller through information of agents nodes and information of neighbor agent nodes thereof to ensure consistency of multiple agents; and designing a communication strategy, which is based on eventtriggering, to ensure communication discontinuity among the agents. The method realizes consistency control of a multi-agent system, solves the problem of large network communication loads caused bycontinuous information exchanging among the agents, reduces updating burden of the system controller, and improves service life of the agent system.

The invention provides an antibacterial polyethylene composition comprising blended materials of polyethylene resin and a load-type antibacterial agent. Calculated with the weight of the polyethylene resin as 100 parts, the composition comprises 0.5-40 parts of the load-type antibacterial agent. The load-type antibacterial agent is an antibacterial agent loaded by powder rubber. The load-type antibacterial agent comprises an organic antibacterial agent and power rubber. The antibacterial agent is loaded on the powder rubber. The powder rubber comprises at least one selected from butylbenzene powder rubber and carboxyl butylbenzene powder rubber. An organic antibacterial agent which is in a liquid state in normal temperature or an organic antibacterial agent solution is well mixed with the powder rubber, and the mixture is subjected to standing, until the powder rubber absorbs the organic antibacterial agent which is in a liquid state in normal temperature or the organic antibacterial agent solution, such that the load-type antibacterial agent is obtained. With the method, the obtained antibacterial polyethylene composition has the advantages such as good antibacterial effect, good color, low cost, high safety, and the like. The preparation process is simple and is easy to operate. The method is suitable for industrialized application.

The invention provides a high-efficiency high-stability page real-time data refreshing method. The conventional mode, that a client end pulls real-time displayed change data so as to actively push data to a server end when background data changes, is improved. A server push technology based on Comet is adopted for message pushing. An observer model is adopted, and a conventional two-layer request-service configuration mode is changed to a three-layer service configuration. Message forwarding middleware is responsible for network transmission of messages, the problems of high coincidence and message obstruction and loss in a large throughput application are solved, and distributed calculation is supported. The high-efficiency high-stability page real-time data refreshing method has the advantages that the problems of increased server end loads and increased network flows caused by that the conventional client end sends requests to the server end on time for obtaining newest change data are solved, the message push delay is reduced, the message push quality is improved, the distributed calculation is supported, and the problems of high coincidence and message obstruction and message distribution loss in the large throughput application are solved.

The invention discloses a method for growing titanium dioxide particles on a base material. The method includes the steps that 1, acid liquor and a titanium containing compound are mixed and stirred uniformly to obtain hydrothermal reaction liquid; 2, the base material is put in the hydrothermal reaction liquid, hydrothermal reaction is carried out at the temperature of 70-120 DEG C, and the titanium dioxide particles grow on the base material. The acid liquor is at least one of hydrochloric acid solution, nitric acid solution, sulfuric acid solution and hydrofluoric acid solution. The titanium containing compound is tetra-n-butyl titanate and / or isopropyl titanate. The size of the titanium containing compound accounts for 3-14% of the hydrothermal reaction liquid. The preparing method for growing the titanium dioxide particles on the base material is simple, the raw materials are easy to obtain, titanium dioxide firmly grows on the base material, and the crystal form and size of the titanium dioxide particles can be controlled to obtain high photocatalytic efficiency.

The invention provides the preparation of a light-weight asphalt mixture with a photocatalytic degradation function by loading nano titanium dioxide (TiO2) on a light-weight aggregate through a porous performance, and belongs to the technical field of road surface materials, aiming at solving the problems of the TiO2 loaded on an asphalt road surface that the dispersion effect is poor, the doping amount is low, the photocatalytic efficiency is low, the degradation effect is poor and pavement performances are influenced. A preparation method comprises the following steps: taking butyl titanate as a precursor and preparing TiO2 sol with a sol-gel method; impregnating the light-weight aggregate into the sol; enabling the TiO2 to enter a light-weight aggregate gap by adopting a vacuum adsorption method; drying and calcining to prepare the light-weight aggregate loaded with the nano TiO2; then replacing one part of a common aggregate by adopting the loaded type light-weight aggregate, and designing a matching ratio of the asphalt mixture to respectively determine gradation and an optimal asphalt-aggregate ratio of each mixture; testing each pavement performance of the asphalt mixture; testing the effect of the asphalt mixture on an automobile tail gas degradation experiment and combining the experimental result of each pavement performance to determine the optimal doping amount of the light-weight aggregate, and preparing the asphalt mixture to pave an environment-friendly asphalt road surface.

The invention relates to the field of Cloud computing, in particular to an IP setting and detecting method supporting a multi-VLAN virtual machine. According to the method, firstly, environment of the virtual machine and a host machine is correctly allocated; then on the host machine, a virtual machine IP configuration file is prepared, an IP setting callback function is programmed, an operation log file is assigned, and network bridges corresponding to all VLANs on the host machine are obtained; then a DNSmasq monitoring service process is operated for each VLAN; virtual machine IP information is managed through sending a signal to the DNSmasq monitoring service processes; finally, the log file assigned by the callback function is read to verify whether IP management is successful. The method solves the complex problems that network allocation and detection of the virtual machine is long in time, large in load and difficult to manage, can be applied to IP allocation and detection of the virtual machine in the multi-VLAN environment, and can also be used in a non-VLAN environment.