54results about How to "Guaranteed scalability" patented technology

The invention discloses a networked measurement and control data transmission task scheduling method for a giant low-orbit satellite constellation, and solves the problem of low completion rate of measurement and control data transmission tasks caused by incapability of global station distribution in the prior art. Obtaining a resource attribute, a ground station state and a low earth orbit satellite state by using the task layer, the resource layer, the equipment state and the constellation state, performing data conversion to obtain input data, inputting the input data into the trained multi-agent network to obtain an action corresponding to the current time slot, and determining an entry low earth orbit satellite and an associated ground station according to the action; obtaining a routing path between the entry low earth orbit satellite and the task low earth orbit satellite according to the inter-satellite shortest path routing table, and determining a scheduling sequence according to the routing path and the associated ground station; the mutual influence between global tasks and resources is considered, the effectiveness of decision making during execution is reduced, and meanwhile, the scheduling efficiency of measurement and control data transmission tasks in a giant low-orbit satellite constellation scene is improved.

The invention discloses a digital twinning analysis method and a digital twinning analysis device for a life mechanism of nuclear industry DCS (Distributed Control System) equipment, and relates to the field of digital twinning of the nuclear industry DCS equipment. The method comprises the following steps: acquiring information data of DCS electronic equipment; determining residual life prediction information according to the information data based on a residual life prediction model; the residual life prediction information is used for representing state information of the DCS electronic equipment; the residual life prediction model is determined according to a physical damage mechanism model and an electrical parameter damage model; the physical damage mechanism model is a mathematical model determined through multi-physics field coupling simulation calculation according to historical working condition environment data and based on an entity geometric model of DCS electronic equipment and a service working condition test; the electrical parameter damage model is a mathematical model obtained by performing regression analysis according to historical electrical parameter data. According to the method, the service life prediction analysis of the nuclear industry DCS equipment can be quickly and accurately realized.

The invention relates to the technical field of cool fabric preparation, in particular to a waterproof and sun-proof twill tatting superfine cool fabric and a preparation process, the waterproof and sun-proof twill tatting superfine cool fabric is composed of a warp and weft twill tatting blank, a waterproof coating covering the blank, and a cool finishing agent sprayed and shaped on the surface of the waterproof coating; through coating of the waterproof agent and the cross-linking agent and special drying treatment, the fabric has excellent waterproof performance, and water permeation is effectively blocked; in the preparation process of the fabric, sun protection is provided through padding treatment, and the passing rate of ultraviolet rays is reduced; the twill tatting structure is combined with specific drying, baking and calendaring treatment, so that the structural stability and wear resistance of the fabric are enhanced, and the air permeability of the fabric is ensured while the waterproof effect of the fabric is not influenced; due to the use of the cool-feeling finishing agent and the fine shaping treatment, the soft and comfortable hand feeling of the fabric is ensured, and the fabric can have a good temperature adjusting effect.

The invention provides a grid type telescopic device, relates to the technical field of bridge structures, and solves the technical problems that an existing comb tooth structure cannot be completely connected with two beam plates, so that the integrity of a bridge is poor, and bumping and large noise are easily caused. The device comprises a plate-shaped integrated telescopic panel, the two sides of the telescopic panel are connected with beam plate parts on the two sides of the expansion joint respectively, a plurality of telescopic ribs are arranged on the telescopic panel and form a grid type structure, and the section of each telescopic rib is of a driving trapezoidal structure with the narrow upper portion and the wide lower portion. Two adjacent beam plates are connected through the integrated telescopic panel, the telescopic ribs which can change in shape according to the temperature are arranged on the telescopic panel, the telescopic ribs are connected in a staggered mode to form the integrated seam body, and therefore the beam plates are connected in a staggered mode. Therefore, the telescopic panel has the flexibility, not only is the flexibility guaranteed, but also the integrity of the bridge can be guaranteed, and bumping and large noise can be avoided.

The invention provides a rule engine and a related product. The rule engine comprises a rule set configuration module, a rule set management module, a domain model design module, a rule execution report module, an engine execution result module, a rule factory module, a rule context module, a rule executor and a dynamic rule adding module. Compared with the prior art, the rule engine provided by the invention has the advantages that simple definition and efficient execution of the rule are realized by utilizing the advantages of the Spring framework. Compared with an existing rule engine based on XML or a specific rule language, the rule engine has the advantages that a developer is allowed to use the SpEL expression to directly define the rule, and the efficiency of the rule engine is improved.

The invention provides a concentrator system data remote backup and recovery method, which comprises the following steps: loading all concentrators in the same network as nodes into a distributed network based on a distributed framework, each concentrator having a unique identity label; during the operation period of each concentrator, compressing and packaging key data of the concentrator; each node concentrator makes a decision by using a distributed algorithm, and distributes at least part of key data to at least part of nodes to realize redundant backup; when any concentrator in the distributed network is damaged or needs to be replaced, the replacement device asks for backup data belonging to the concentrator to be replaced from other concentrator nodes in the network, unpacking and decompressing are carried out, and data recovery is completed. According to the invention, even if part of concentrators are completely damaged, data recovery can still be carried out, and extra special equipment does not need to be additionally arranged to carry out remote backup of data.

The invention belongs to the technical field of intelligent networked roads, and particularly relates to a post-disaster rapid repair recovery scheduling method and system for an intelligent networked road power supply system, and the method comprises the steps: obtaining the topology of the intelligent networked road and the power supply system thereof, and constructing a power-traffic coupling mathematical model; based on the electric power-traffic coupling mathematical model, the types and the number of available first-aid repair recovery resources of the intelligent network connection road are analyzed, and a first-aid repair recovery resource mathematical model is constructed; a multi-resource scheduling constraint suitable for intelligent network connection road recovery is constructed in combination with special scheduling requirements in a road scene; constructing a power supply system safe operation constraint by combining the safe operation requirement of the intelligent network connection highway power supply system; an objective function of a power supply recovery model is determined according to power recovery requirements and maintenance personnel working duration requirements, a power supply system post-disaster rapid power supply recovery optimization model is constructed according to the objective function and all constraints, the model is solved to obtain an optimal recovery scheduling strategy, the reliability of the recovery model is improved, and transplantation and application are facilitated.

The present invention discloses a rail transit door control system and control method, the control system includes a network configuration control unit, a door control integration platform and a door control terminal device, a door system master control unit is arranged in the door control integration platform, and is used to control the door control terminal device; the door control terminal device is used to execute control; the network configuration control unit is used to configure the priority and transmission time slot of system security data and non-security data, and the network configuration control unit, the door control integration platform and the door control terminal device are connected through a TSN real-time network. The control system of the present invention does not change the overall layout of the existing rail transit door system, does not add additional network equipment, and can conveniently realize application function expansion on the door control integration platform to realize software-defined functions; at the same time, it reduces the problem of synchronously changing the door system master control unit and the door control terminal device hardware and software caused by the change of door system requirements.

The present application discloses a method and device for analyzing the life cycle mechanism of nuclear industry DCS equipment digital twin, which relates to the field of digital twin of nuclear industry DCS equipment. The method includes: obtaining information data of DCS electronic equipment; determining the remaining life prediction information according to the information data based on the remaining life prediction model; the remaining life prediction information is used to characterize the status information of DCS electronic equipment; the remaining life prediction model is determined according to the physical damage mechanism model and the electrical parameter damage model; the physical damage mechanism model is a mathematical model determined by multi-physical field coupling simulation calculation based on historical working environment data, the solid geometry model of DCS electronic equipment and the service working condition test; the electrical parameter damage model is a mathematical model obtained after regression analysis based on historical electrical parameter data. The present application can quickly and accurately realize the life prediction analysis of nuclear industry DCS equipment.

The utility model discloses a stainless steel junction box, and relates to the technical field of junction boxes. The device comprises a box body, a wire inlet is formed in the lower side of the inner wall of the box body, a supporting plate is fixedly connected to the lower portion of the rear side of the inner wall of the box body through bolts, telescopic rods are rotationally connected to the left side and the right side of the bottom face of the supporting plate, and the lower ends of the two telescopic rods are jointly rotationally connected with a connecting plate; first springs are arranged on the rod walls of the two telescopic rods, T-shaped rods are arranged on the left side and the right side of the top face of the supporting plate, the lower ends of the two T-shaped rods penetrate through the lower side of the inner wall of the supporting plate and extend to the bottom face of the supporting plate, and second springs are arranged on the upper sides of the rod walls of the two T-shaped rods. The junction box is good in protection performance, and can avoid the influence on the wire inlet end interface when the junction box is vibrated or impacted by external force in the use process, so that the wire inlet end interface is not easy to loosen, and the use safety of equipment is improved.

The invention discloses an information source channel joint coding method for joint digital communication and analog communication. The method comprises the following steps: step 1, in a digital branch, inputting a picture, and firstly performing down-sampling and image coding to obtain a code stream; 2, in the analog branch, subtracting the predicted value from the input picture to obtain a residual error, and performing learning-based transformation on the residual error to obtain a characteristic of the residual error; step 3, bandwidth allocation is realized; 4, sending the characteristics subjected to bandwidth allocation to a receiving end through a wireless channel; 5, at a receiving end, the signals received by the digital branches are restored into predicted values through demodulation, channel decoding, image decoding and up-sampling in sequence; and step 6, performing demodulation and learning-based inverse transformation on the signals of the analog branches, reconstructing a residual error, and adding the residual error and a predicted value to obtain a reconstructed picture. According to the invention, source and channel coding is carried out by using a traditional separated coding method through a digital branch, and transmission is carried out by using a residual error through an analog branch, so that better performance is realized.

The utility model relates to the technical field of aerospace and mechanical and electrical product assembly, in particular to a civil aircraft cable laying quality evaluation device, which comprises a shell, a bottom plate, a high-resolution camera and a switch, a CPU (central processing unit) processor and a battery are arranged in the shell, the bottom plate is arranged at the bottom of the shell, the high-resolution camera is mounted on one side of the bottom plate, and the switch is arranged at the left lower part of the shell. The front side and the rear side of the shell are each provided with a plurality of symmetrically-arranged heat dissipation holes. According to the utility model, the hidden hinged handle is linked with the clamping block, the compression spring and the limiting frame to realize one-hand operation adaptability, and the high-resolution camera and the processor are integrated to acquire cable point cloud data in real time and generate a three-dimensional model; the hinged dust cover is combined with diversified interfaces to guarantee interface protection and multi-equipment expansion capability, and the light supplementing lamp can be adaptively adjusted according to ambient light and is matched with the protective cover to improve the adaptability to complex illumination scenes; the symmetrical heat dissipation layout and the anti-skid cushion cooperatively suppress operation vibration, and the operation stability in a narrow space is ensured.

This application provides a software switch caching acceleration method and related apparatus based on FPGA, belonging to the field of network packet processing technology. The method includes: compiling a caching rule set into a decision tree forest using a decision tree construction algorithm, the decision tree forest comprising multiple decision trees of equal depth; mapping the decision tree forest to multiple parallel tree pipelines, the tree pipelines running on the FPGA, each tree pipeline corresponding to a decision tree, and each pipeline stage corresponding to a node layer of the decision tree; broadcasting a preset data packet to all tree pipelines for parallel processing; for each tree pipeline, guiding the preset data packet to traverse each pipeline stage until the preset data packet reaches the target leaf node of the decision tree; performing parallel rule matching on the preset data packet at the target leaf node of each decision tree to obtain the target caching rule matching the preset data packet, thereby accelerating flow table caching classification.

The disclosed embodiment discloses an information processing method and a terminal device, wherein the method includes: obtaining first information, the first information being information to be processed by the terminal device; invoking a computing instruction in a computing device to calculate the first information to obtain second information; and outputting the second information. By using the disclosed embodiment, the computing device of the terminal device can be used to call a computing instruction to process the first information to output the second information of the target desired by the user, thereby improving the information processing efficiency.

This invention discloses a smart building energy consumption optimization and comfort control system based on BIM-IoT integration, comprising: a BIM-IoT integrated digital twin module; a load prediction module based on a thermodynamic model; a multi-system collaborative optimization control module; and an equipment fault diagnosis module. By constructing a building digital twin model and integrating BIM static parameters and IoT dynamic data, this invention achieves accurate prediction of building heat load, multi-system collaborative optimization control, and intelligent balance between energy consumption and comfort, thereby significantly reducing building operating energy consumption and improving user experience.

The application discloses a kind of offshore wind turbine fault interval time prediction methods based on knowledge graph, comprising the following steps: step one: collection operation maintenance data generates sample set;Step two: time alignment and field standardization generate structured record;Step three: construct knowledge graph to obtain node set, edge set, edge weight;Step four: establish the mapping relationship of to-be-sampled parameter vector, generate graph atlas correlation matrix and construct structured proposal distribution;Step five: generate candidate parameter vector;Step six: divide subgraph data block and establish subgraph log likelihood cache, calculate log likelihood increment;Step seven: delay accept Metropolis-Hastings iteration update to-be-sampled parameter vector to obtain posterior sample set;Step eight: output fault risk parameter and generate fault interval time prediction result.The application improves the stability and calculation efficiency of fault interval time prediction result.

The invention provides an IVR (Interactive Voice Response) framework implementation method and system based on JAVA, a VXML 2.0 protocol is taken as a basis, a form of a custom XML (Extensible Markup Language) label is packaged through JAVA according to a service scene, and the custom XML label is packaged with a VXML 2.0 standard function and a service logic to realize various functions in an IVR service; in the telephone traffic request initialization scene, the IVR service platform triggers a service request through an HTTP interface request mode; in a business process assembly scene, arranging and assembling the packaged self-defined labels according to business scene requirements; and in the business analysis scene, the assembled XML document is output, and the IVR service platform carries out analysis operation to complete related telephone traffic actions, so that the rapid completion of the IVR telephone traffic process is realized. According to the invention, the service calling function of the IVR process can be realized in a relatively universal manner. And application developers only need to have a JAVA basis, so that the difficulty of application development is reduced, and the research and development quality is also ensured.

The application discloses a kind of calculation methods for simulating toxic and harmful gas diffusion concentration in three-dimensional virtual training environment, S1, determine toxic gas diffusion effective influencing factor;S2, the physical model corresponding to training environment is constructed, and the effective influencing factor of gas diffusion is derived;S3, according to gas toxic dose and shelter size, sparse grid is divided, and grid density is distinguished;S4, CFD model is constructed, and the concentration of simulated harmful gas diffusion is calculated;S5, concentration value time sequence situation result offline database of a period of time is established, and gas concentration situation result is stored;S6, when training, in virtual environment, quickly display.The method of the present application can consider terrain, building, meteorological conditions and other factors affecting gas concentration diffusion, can measure the gas diffusion concentration value of any point in space in real time, and its diffusion concentration value is realistic and practical, so that the simulation effect of harmful gas diffusion concentration value in virtual reality chemical hazard simulation training environment is more realistic and credible, and the training effect is improved.

The embodiment of the present invention provides a high-speed and high-precision single-drive gantry structure, including an equipment frame, a first crossbeam assembly and a second crossbeam assembly, wherein the first crossbeam assembly and the second crossbeam assembly are slidably arranged on the equipment frame, and the equipment frame includes a first active side guide rail and a first driven side guide rail, and the first crossbeam assembly is slidably connected to the first active side guide rail and the first driven side guide rail at both ends along the X direction. The high-speed and high-precision single-drive gantry structure provided by the present invention can carry the first crossbeam assembly and the second crossbeam assembly at the same time. Here, the two-layer structure has good casting stability and meets the processing technology requirements for high precision requirements, and greatly reduces the precision loss caused by the impact of the acceleration and deceleration process during high-speed movement.

This invention proposes a structure-condition-driven low-resource multilingual multimodal model training method and system, belonging to the field of artificial intelligence. The method includes: S1: Extracting image structural attributes from multimodal training samples, constructing structure-conditional text sequences, and obtaining text hidden states and visual features; S2: A route selector determines the training path based on the resource and structural attributes of the samples; S3: Freezing the multimodal large-scale model backbone network and dynamically activating a lightweight script adaptation module to update parameters; S4: Aligning visual and textual representations through a structure-conditional cross-attention module to generate a joint representation; S5: Embedding the joint representation, task prefix, target language identifier, and its language into the input decoding and multi-task output modules to obtain the generated result; S6: Constructing a total training objective function to obtain the trained multimodal model. This invention improves the overall performance, stability, and security of multimodal models in low-resource, multilingual, and complex structural scenarios.

The present invention relates to the field of fault diagnosis technology, and specifically to a health assessment method for an electromechanical composite transmission system based on core space gradient projection, which constructs a multi-core group convolution module and stacks it to construct a deep assessment network to extract multi-scale degradation features without increasing the computational cost, and focuses the feature extraction of the deep assessment network on a preset feature extraction scale. Then, the full life data set of the monitored components of the electromechanical composite transmission system is gradually collected, and the deep assessment network is continuously learned based on gradient projection learning to enhance the learning of new knowledge while preventing the old knowledge from being interfered with. At the same time, knowledge compression and redundancy removal are performed during the continuous learning process to ensure the scalability of the network during the continuous learning process. The present invention has the advantages of higher health assessment accuracy, better stability, and stronger robustness, and can achieve better efficiency and effect in the continuous learning of the assessment network.

The utility model discloses a material mechanics tensile experiment device which comprises a horizontal bottom plate, the top of the horizontal bottom plate is rotatably connected with a central shaft, the top end of the central shaft is fixedly connected with a circular frame, and the left side of the surface of the circular frame is fixedly connected with an adjusting assembly which is movably installed for a tensile experiment. The adjusting assembly comprises a first extension frame fixedly connected with the circular frame, a mounting groove is formed in the surface of the first extension frame, and an extension block is movably connected to the inner surface of the first extension frame. According to the material mechanics tensile experiment device, by arranging the adjusting assembly and the positioning assembly, the adjusting assembly and the positioning assembly are both arranged outside the circular frame, the moving stroke of a related structure is directly prolonged, the deformation amount during a tensile experiment is guaranteed, meanwhile, an expansion block can move outwards, the expansibility of the device is guaranteed, and the device is convenient to use. And quick disassembly can be achieved only by pushing and pulling the clamping rod, and operation is convenient.

The utility model discloses a power bank with a telescopic line structure, which relates to the technical field of power banks, and comprises a shell, the top end of the shell is covered with a top cover, one side of the shell is provided with a charging head and a charging line, the shell is internally provided with a storage disc, the storage disc is internally provided with a telescopic assembly, and the telescopic assembly is connected with the charging head and the charging line. The telescopic assembly comprises a center pipe, a lifting rod, a moving rod, a spring, a connecting line, a fixing clamping piece and a handle rope. According to the power bank with the telescopic line structure, the telescopic assembly is arranged, four springs are used for replacing a single metal elastic piece in the prior art, elastic stretching and retracting of the charging line are achieved, the service life of stretching and retracting of the charging line can be effectively prolonged, and the stretching and retracting effect can be guaranteed; according to the portable power bank, a user can conveniently carry the portable power bank to hook or carry the portable power bank, and the portable power bank can be pulled out for charging only by pulling the handle rope upwards to drive the four moving rods to retract inwards, so that the use functions of the portable power bank are enriched, and the use experience is improved.

The invention discloses a phase-change electromagnetic wave absorption film, a preparation method and application thereof, and belongs to the field of microwave absorbing.The preparation method of the phase-change electromagnetic wave absorption film comprises the following steps that electromagnetic wave absorption powder and thermoplastic elastomer are mixed and dispersed in an organic solvent; stirring until the thermoplastic elastomer is dissolved in the organic solvent and the electromagnetic wave absorbing powder is dispersed in the thermoplastic elastomer solution; heating, continuously stirring, adding sliced paraffin, and dissolving to obtain a mixed solution; transferring the mixed solution into a liquid tank, drying, ventilating and drying to obtain the phase-change electromagnetic wave absorbing film; according to the design scheme, adjustable mechanical properties and reversible conversion of film phase change are successfully realized, and the production cost is reduced.

The present invention relates to the field of wireless communication technology, and discloses a method and system for network access and link establishment between a command post communication device and a communication terminal, the method comprising the following steps: A, pre-task processing: the communication terminal loads wireless frequency band information; B, in-task processing: the command post communication device and the communication terminal cooperate to implement wireless network access protocol interaction and wireless service information interaction. The present invention solves the problems of low reliability and poor stability existing in the prior art.

The utility model discloses a continuous take-up structure for rubber strip production and preparation, which comprises a take-up workbench, a reel is arranged on the take-up workbench, a sliding guide component is arranged on one side of the reel, one end of a rubber strip penetrates through the sliding guide component to be connected with the reel, a water tank is arranged on one side of the take-up workbench, and a water outlet is formed in the other side of the take-up workbench. The utility model relates to the technical field of rubber strip production and preparation, rubber strips produced and manufactured by an extruder are cooled by a cooling system of the extruder and then enter the water tank to be cooled by water, so that waste heat in the rubber strips is taken away, the waste heat in the rubber strips is reduced, and the production efficiency of the rubber strips is improved. Therefore, the structural state of the rubber strip is in a normal-temperature state, dust and water drops adhering to the surface of the rubber strip are removed under the combined action of the scraping cleaning assembly and the linkage air drying assembly, and the cleaned rubber strip is directly wound on the reel under the matched action of the sliding guide assembly and the winding workbench.

The invention discloses a cross-modal video time sequence content positioning method and system based on a situation memory prompt, and relates to the technical field of cross-modal understanding, a group of situation memories are dynamically generated through a first stage, and various behavior instances occurring in an input video are explicitly summarized; an unsupervised memory learning normal form is formulated by applying discriminative and diversity constraints, and dependence on extra behavior instance annotation is eliminated. Secondly, in the second stage, enhanced memory prompts are obtained based on frame-level detail content supplementation and language query interaction and further serve as anchor frames, and accurate and efficient regression of target moment fragment boundaries is achieved. Compared with a traditional strategy based on a sliding window or a multi-scale anchor frame, the cross-modal video time sequence content positioning method provided by the invention better conforms to cognitive habits, and has performance and efficiency advantages when processing a long video.

The invention provides an intelligent settlement and settlement method and system for a power distribution network construction project, and is suitable for the field of power distribution network project construction management. The method comprises project initialization, equipment component informatization, construction process modularization, engineering quantity list generation, intelligent settlement and settlement cost calculation, the construction process modularization of the power distribution network project is realized, the existing construction process in a new project selection module or the construction process of a user-defined module is selected, and the existing construction process comprises clear engineering quantity. After the new project is completed, the project amount of the construction procedures in the custom module is input into the existing database, when the construction procedures in the module are more and more comprehensive, the manual participation demand is smaller, the accuracy of a final result can be better guaranteed, meanwhile, drawing information is recognized through a deep learning model, and the project amount in a drawing is output; the intelligent settlement and settlement system for the power distribution network construction project can analyze the difference reason between the project cost budget and the actual cost through a large language model.

The utility model discloses a photovoltaic confluence cabinet, which comprises a cabinet body and a support assembly arranged in the cabinet body, and is characterized in that the support assembly comprises two mounting racks which are oppositely arranged, the mounting racks extend along the height direction of the cabinet body, and fixing plates are arranged on the two mounting racks; wherein the fixing plate is provided with a plurality of bending parts which are bent inwards, and the plurality of bending parts are respectively used for installing a first installing plate, a second installing plate and a wire harness fixing frame which extend along the length direction of the cabinet body; the left end and the right end, in the length direction of the cabinet body, of the first installation plate, the second installation plate and the wire harness fixing frame are connected with the two fixing plates respectively. The photovoltaic confluence cabinet provided by the utility model is simple in structure, convenient for operators to maintain subsequently, good in expansibility, capable of separating high and low wires, and high in safety.

The utility model discloses an air conditioner, the air conditioner includes: box, heat pump assembly and fan assembly, heat pump assembly and fan assembly are installed in the inside of box, heat pump assembly includes first evaporator, first circulation pipeline, second evaporator and second circulation pipeline, first evaporator and second evaporator are arranged to form mirror symmetry structure with V type, and fan assembly is set up in the opening side of first evaporator and second evaporator V type structure, one end of first circulation pipeline is connected to first evaporator, and the other end of first circulation pipeline extends to the outside of box, one end of second circulation pipeline is connected to second evaporator, and the other end of second circulation pipeline extends to the outside of box, and the opposite side of first evaporator and second evaporator of box is provided with first air inlet and second air inlet respectively. The air conditioner can increase effective heat exchange area in the limited box space through the first evaporator and second evaporator of V type arrangement.