105results about How to "Guaranteed service performance" patented technology

The invention discloses a postweld heat treatment method for a bainite steel rail welded joint and relates to the technical field of railway steel rail manufacturing. Through the provided postweld heat treatment method for the bainite steel rail welded joint, the tread longitudinal hardness of the bainite steel rail welded joint can be controlled in a reasonable range. The method sequentially comprises the following steps that A, the welded joint, obtained through welding, with the temperature being 1500-1600 DEG C is primarily cooled to 150-250 DEG C, and natural cooling in the air is adopted as the mode of primary cooling; B, the welded joint is heated to 880-960 DEG C through a medium frequency induction profiling electric heating coil and/or an oxygen-acetylene flame profiling heater; and C, the welded joint is subjected to secondary cooling, secondary cooling is stopped when the welded joint is cooled to 180-250 DEG C, then the welded joint is subjected to tertiary cooling instantly and cooled to the room temperature of 5-40 DEG C, secondary cooling is conducted in the form of rapid cooling by applying coolants, the starting cooling temperature of secondary cooling is 800 DEG C or above, and natural cooling in the air is adopted as the mode of tertiary cooling.

The invention discloses a bidirectional real-time communication system and method based on a WebSocket and a message queue and relates to the technical field of communication. The problem that an existing real-time communication scheme based on the WebSocket protocol is liable to result in the condition that rear end service and a database need to bear a great deal of concurrent pressure is solved. According to the technical scheme key point, the system comprises a server and clients. The server comprises a marking module which is used for establishing unique identifications for the clients connected with the server, and an index module which is used for establishing indexes according to the unique identifications established by the marking module, wherein the indexes are used for positioning positions of the clients in WebSocket service. The server receives messages issued by a receiving message producer from a subscribed message queue in a message queue consumer mode and pushes the received messages to the clients according to the indexes. The server receives the messages passively and then pushes the messages to the corresponding clients, so the performance problem resulting from polling is solved.

The invention discloses a multi-energy online control system for data centers under dynamic cloud service requests. The multi-energy online control system for data centers under dynamic cloud service requests comprises a system status monitoring module, a load scheduling module and a multi-source energy supply system management module, wherein the load scheduling module comprises a delay-sensitive request scheduling sub-module and a delay tolerant job scheduling sub-module. The system status monitoring module is used for receiving service requests from a user's cloud service every once in a while, determining whether the cloud service request is a delay-sensitive request or a delay tolerant job, and sending the cloud service request belonging to the delay-sensitive request to the delay-sensitive request scheduling sub-module of the load scheduling module while sending the cloud service request belonging to the delay tolerant job to the delay tolerant job scheduling sub-module of the load scheduling module. The multi-energy online control system for data centers under dynamic cloud service requests has the advantages that long-term operating cost of data center energy supply system can be optimized, no system data is needed to be obtained in advance, and no steady state distribution is needed to be assumed.

The invention provides a self-adaption multi-service resource allocation method and a self-adaption multi-service resource allocation device, wherein the method comprises the steps that the self-adaption multi-service resource allocation method is characterized by comprising the steps that a plurality of services received from one or a plurality of user requests are classified; and on the basis of service classification, the specific gravity of homogeneous services is obtained for regulating the transmission resource allocation of service channels in communication channels. The method and the device have the advantages that the real-time changes of user request service contents are tracked through a base station, homogeneous services and heterogeneous services in the user request services are analyzed and counted, the specific gravity of homogeneous services is obtained for regulating the transmission channel resource allocation in service channels, the transmission resource configuration realizes the optimization, and the defects that the time delay uncertainty is caused, the fixed unicast transmission efficiency of the service channels is low, the bandwidth resources are wasted, the network load increase pressure is overgreat, and the performance of the whole system is influenced are avoided.

The invention relates to a local coating defect repairing method for a carbon/carbon composite material. A coating repairing agent prepared from a thermosetting resin and an inorganic filling material is coated on a coating defect position. A coating crack defect is repaired by crack/hole filling and reinforcement repair and coating extension, and therefore the surface of the defect is coated with the repairing agent and the repairing agent permeates into the defect interior, thus forming a continuous layer and preventing carbon atoms from oxidation reaction with oxygen atoms. Then a drying and curing process is performed in an air dry oven or a ventilating environment. Finally, the thickness and the compactness of the repairing agent are increased through a vacuum impregnation and drying method. The repairing method is simple, convenient and prone to achievement. The repaired carbon/carbon composite material has good performances and high quality. The local defect area of the antioxidant carbon/carbon composite material is effectively protected from being oxidized and ablated in an oxidation environment with a temperature lower than 1200 DEG C, thus achieving long-time using and repeated using of a high-performance antioxidant carbon/carbon composite material coating.

The invention discloses a device for preventing a suspicious user from frequently accessing an electronic program guide server and a method thereof. The device comprises a suspicious user identifying module, a suspicious user record module and a shielding module. The method comprises the following steps: when a user accesses the electronic program guide server, the suspicious user identifying module identifies a suspicious user according to the accessing frequency of the user, and delivers the suspicious user to the suspicious user record module for recording; then, the shielding module sets a firewall to shield the suspicious user. The invention can effectively avoid a user maliciously and frequently accessing the EPG server in a short time, and ensure the service capability and stability of the EPG server, thereby maintaining the benefit of other users.

The invention discloses a laser additive manufacturing device and method. The laser additive manufacturing device comprises a forming cabin, a working platform, a substrate, a scanning galvanometer assembly, a powder presetting assembly, an atmosphere regulating assembly, a lifting assembly and a central control system; when the laser additive manufacturing device is applied to the forming of a metal component, the scanning galvanometer assembly is not only used for the layer-by-layer selective melting of slice layers of the metal components above the fixedly-positioned substrate, but also used for the layer-by-layer selective melting of enclosed thin walls above the substrate; and the enclose thin walls are matched with the slice outline of the metal component, and capable of accommodating a metal powder bed. The laser additive manufacturing device and method disclosed by the invention have the advantages that the forming space is flexible and adjustable as well as the powder utilization ratio is high; and the high-quality low-cost additive manufacturing of metal components of various sizes and shapes can be achieved.

The invention discloses a method for determining optimal shape parameters of core wire winding and welding interconnection for the electrical performance of a microwave component, and the method comprises the steps: determining geometric parameters and physical parameters of the core wire winding and welding interconnection, carrying out the parametric representation of the shape of the core wirewinding and welding interconnection, calculating the length of a core wire in a core wire winding and welding interconnection structure, and building a core wire winding and welding interconnection structure-electromagnetic analysis model, designing an orthogonal test of the core wire winding and welding interconnection shape parameters and the electromagnetic transmission performance indexes, andcalculating the sensitivity of the core wire winding and welding interconnection shape parameters and the influence degree of the core wire winding and welding interconnection shape parameters; determining core wire winding and welding interconnection form key parameters and performing parameter criticality calculation; determining core wire winding and welding interconnection optimal shape parameters oriented to electromagnetic transmission; and determining the core wire winding and welding interconnection optimal core wire length facing electromagnetic transmission. The method can guide thedesign and optimization of the microwave assembly and improve the development quality of microwave products.

The invention discloses a method and a device for processing an expired short message, aiming at sending a short message to a destination user terminal according to user demand after the short message expires. The method comprises the following steps: a short message center transfers a short message to an expired message pool instead of deleting it after the short message expires; and when receiving an instruction sent by a destination user terminal for acquiring the expired short message, the short message center looks up in the expired message pool to see if there is an expired short message that satisfies query criteria contained in the instruction, takes out the expired short message that satisfies the query criteria from the expired message pool and sends to the destination user terminal. In this way, a short message can be sent to a destination user terminal according to user demand after the short message expires, thereby improving the service quality of a system. Moreover, as the expired short message is sent according to the user demand, the impact on performance of the short message center is very low and no more running load is placed on the short message center, thus ensuring service performance of the short message center.

The invention discloses a structural dominant mode determination method for an active phased array antenna. The method comprises the steps that 1, parameters of the active phased array antenna are determined, and a finite element model of the antenna is established; 2, antenna natural frequency and a modal shape are obtained through modal analysis; 3, antenna load-deformation is analyzed; 4, output energy corresponding to antenna structural modes is calculated; 5, the antenna structural modes are truncated according to the energy precision requirement; 6, the proportion of energy corresponding to the truncated modes is obtained; 7, a state space equation corresponding to the truncated modes is established; 8, 2-norms of a transfer function corresponding to the truncated modes are calculated according to parameters of the state space equation of the truncated modes; 9, comprehensive norms of the truncated modes are calculated; 10, the comprehensive norms of the truncated modes are ranked from large to small for selection of a dominant mode, and the structural dominant mode of the active phased array antenna is obtained. The method can guide dynamic modeling and pointing control of the active phased array antenna to guarantee antenna service performance.

The invention discloses a post-welding heat treatment method for bainite steel rails, and belongs to the technical field of steel rail welding. The invention aims to make up the defects of the existing post-welding heat treatment technology for steel rails and provides the post-welding heat treatment method for bainite steel rails. The method comprises the following steps of carrying out first cooling on a bainite steel rail welding joint at the temperature of 1100-1300 DED C to 260-350 DED C, then heating the welding joint obtained by the first cooling to 780-870 DED C, then, performing secondary cooling to 450-510 DED C, and then, performing a third cooling to the room temperature of 10-40 DED C. According to the method, the post-welding heat treatment process of the bainite steel rail is reasonably established, so that the metallurgical structure of the steel rail joint is free of martensite, and meanwhile, the average hardness in a region with the distance of +/-70 mm from the center of a welding seam is 80-85% of a steel rail base material, and the fatigue life of the bainite steel rail joint reaches 4 million times or more.

The invention discloses a post-welding heat treatment method for bainite steel rails, and belongs to the technical field of steel rail welding. The invention aims to make up the defects of the existing post-welding heat treatment technology for steel rails and provides the post-welding heat treatment method for bainite steel rails. The method comprises the following steps of carrying out first cooling on a bainite steel rail welding joint at the temperature of 1100-1300 DED C to 260-350 DED C, then heating the welding joint obtained by the first cooling to 780-870 DED C, then, performing secondary cooling to 360-420 DED C, and then, performing a third cooling to the room temperature of 10-40 DED C. According to the method, the post-welding heat treatment process of the bainite steel rail is reasonably established, so that the martensite structure content is less than or equal to 3%, the average hardness in a region of +/-70 mm from the center of a welding seam is 80-85% of a steel railbase material, and the fatigue life of a bainite steel rail joint reaches more than 3.5 million times.

The invention discloses a microwave assembly gold belt interconnection transmission performance prediction method based on an interconnection form, and the method comprises the steps: determining goldbelt interconnection geometric parameters, physical parameters and electromagnetic transmission parameters, carrying out parametric representation of a gold belt interconnection structure form, and building a gold belt interconnection structure-electromagnetic analysis model; screening and recognizing shape effect key parameters a; constructing a gold belt interconnectivity multiple regression model; regression equation precision inspection and parameter correction; and establishing a gold strip interconnection transmission performance prediction model. Key parameter identification of the microwave assembly gold belt interconnection structure for high-frequency signal transmission can be realized A gold strip interconnection transmission performance prediction model is established, and the model can realize accurate prediction from microwave interconnection structure morphological parameters to signal transmission performance, can be used for guiding design, manufacturing and optimization of microwave components, effectively improves the development quality of microwave products, saves the cost and shortens the development period.

The invention provides an in-vehicle suffocation prevention method, an in-vehicle suffocation prevention method based on a camera and a computer readable medium. The method comprises the following steps of sending a signal that a vehicle is in a parking state (or the vehicle speed is in a zero state) to a vehicle body controller in real time according to a processing result of an in-vehicle identification device; sending a signal that a vehicle-mounted air conditioner is in an on state to the vehicle body controller in real time; continuously sending a signal that a person in the vehicle is ina rest state (an eye closing state or a lying state) to the vehicle body controller in real time; continuously receiving the signal that the vehicle is in the parking state (or the vehicle speed is in the zero state), the signal that the vehicle-mounted air conditioner is in the on state and the signal that the person in the vehicle is in the rest state (the eye closing state or the lying state),calculating the cumulative time of continuously receiving the signal that the person in the vehicle is in the rest state or the lying state, and when the cumulative time reaches or exceeds the threshold time, changing the mode from a window or sunroof closing mode to a window or sunroof opening mode. In addition, the invention further provides the in-vehicle suffocation prevention method based onthe camera.

The invention discloses a method and device for deploying and scheduling roadside units in an urban vehicle network. The method for deploying and scheduling the roadside units in the urban vehicle network comprises the following steps that S1, a plurality of target intersections are selected within a target area range according to a preset priority of each intersection to deploy the multiple roadside units according to the multiple target intersections; S2, multiple hotspot areas in each preset time period are identified in the target area range according to adensity-based clustering algorithm; and S3, the roadside units within the hotspot areas are scheduled to work according to the multiple hotspot areas within each preset time period. According to the method for deploying and schedulingthe roadside units in the urban vehicle network, the working state and the dormant state of the roadside units can be adjusted and controlled within a specified time period without affecting connection and service quality, and the energy resource utilization rate of the vehicle network is increased.

The invention provides a method for constructing a trusted software whitelist. The method comprises: automatically synchronously downloading software from a plurality of software downloading sites according to a job scheduling task; making a trusted judgment on the downloaded software, and establishing a trusted software whitelist according to the trusted software. The trusted software whitelist construction method of the invention automatically obtains an executable program in the Internet range, so as to maximize the coverage of software programs that Internet users may use, by using the software trustworthiness analysis tool to obtain the software program trustworthiness analysis of obtained software programme, a corresponding trusted software whitelist is generated and provided for Internet users to download and use, which can greatly reduce the professional knowledge and skill requirements of users, improve the usability of the trusted software whitelist mechanism, thus promotingthe application of the trusted software whitelist mechanism, and improving the level and ability of network security prevention.

The invention relates to the field of data storage, and discloses a cold and hot data processing method, which comprises the steps of obtaining an original data set, classifying the original data set to obtain a classified data set, querying a key name set of the classified data set, obtaining an evaluation index set corresponding to the key name set, calculating the weight of the key name set based on the evaluation index set, judging whether the weight reaches a preset weight or not, if the weight reaches the preset weight, marking the key name set as a hot data set, and moving a key value set of the hot data set to a cache, and if the weight does not reach the preset weight, marking the key name set as a cold data set, and moving the key value set of the cold data set out of the cache. The invention further provides a cold and hot data processing device, electronic equipment and a storage medium. The invention also relates to a blockchain technology, and the hot data set can be stored in a blockchain node. According to the invention, efficient data query can be realized, and the data storage cost is reduced.

The invention relates to the field of communication, in particular to a method and a device for implementing software version synchronization for ensuring the service performance of communication equipment. The method comprises the following steps of: after a spare control unit is started, monitoring a software version operated on a primary control unit; and when the software version operated on the primary control unit and a local operated software version are heterogeneous versions is determined, acquiring the software version operated on the primary control unit, and synchronizing the local operated software version based on the acquired software version operated on the primary control unit. Therefore, the software versions of the primary and spare control units are consistent, and the compatibility of the software versions is improved; and no matter when the primary control unit and the spare control unit are switched, chaos is not caused to the processing flow of the communication equipment, the service performance of the communication equipment is ensured to a certain degree, and the service reliability of the communication equipment in abnormal events is improved.

The application provides a service calling method, a service providing method, and nodes. The service calling method includes the following steps: a service calling node obtains the capability representation parameter of at least one service providing node that provides service to the service calling node, wherein the capability representation parameter is used for representing the service capability of the service providing node after the current service capability of the service providing node is corrected according to the service performance of the service providing node; a target node is determined from at least one service providing node on the basis of the capability representation parameter of at least one service providing node; and a service calling request is sent to the target node to call service provided by the target node. According to the technical scheme of the application, the processing pressure of nodes in a distributed cluster can be balanced, and the service capability of the distributed cluster can be improved.

The invention discloses a microwave component circuit coupling transmission performance prediction method based on a gold belt bonding configuration. The method comprises the following steps: determining gold belt bonding interconnection geometry, physical properties and interconnection electromagnetic transmission parameters; establishing a configuration parameterization representation model; establishing an interconnection area piecewise discrete and linear equivalent circuit; solving a gold belt bonding interconnection integral transfer matrix, scattering parameters and absorption loss; andestablishing a gold belt bonding interconnection configuration and signal transmission performance circuit coupling model. According to the method, gold belt bonding interconnection configuration parametric representation modeling can be realized, and gold belt bonding interconnection configuration and signal transmission performance path coupling model construction is realized. By utilizing thecoupling model, accurate prediction from the morphological parameters of the microwave interconnection structure to the signal transmission performance can be realized, the design and optimization ofa high-performance microwave assembly are guided, the development quality of microwave products is effectively improved, the cost is saved, and the development period is shortened.