1973 results about "Material distribution" patented technology

The invention relates to the technical field of cement prefabricated part production equipment, in particular to a cement prefabricated plate production device and method. Comprising a rack, and the rack is provided with a steel bar laying mechanism, a pouring and distributing mechanism, a precise vibrating mechanism, a forming and pressing mechanism and a conveying mechanism; the steel bar laying mechanism comprises a laying support, a moving assembly and a positioning assembly. The pouring and distributing mechanism comprises a storage bin and a grading and distributing assembly; the precise vibrating mechanism comprises a vibrating frame and a vibrating unit; the forming press-fit mechanism comprises a press-fit support, a press-fit driving assembly and a press-fit plate. According to the invention, the adjustable design of steel bar spacing is matched with the positioning assembly, so that the spacing of steel bars of different specifications is accurately adjusted, the steel bars are quickly placed at preset positions, and then the distribution amount of each area is adjusted according to the distribution of the steel bars through the grading distribution assembly to ensure sufficient slurry in the corresponding cement area; and the precise vibrating mechanism combines preset steel bar parameters to achieve differential vibrating, and the vibrating strength is enhanced in a steel bar dense area to guarantee sufficient slurry filling.

The invention relates to a radial frequency-doubled sound filtering metamaterial and a topological optimization design method thereof.The radial frequency-doubled sound filtering metamaterial comprises scatterers which are arranged on a base body and distributed in a concentric circle mode, and the topological optimization design method comprises the following steps that a two-dimensional axial symmetry model is established, the two-dimensional axisymmetric model corresponds to the cross section of the radial frequency-doubled sound filtering metamaterial in the radius direction and comprises periodically arranged unit structures, and each unit structure comprises a main board and a square design domain; a Floquet periodic boundary condition is applied to parallel boundaries of a unit structure in the radius direction, other boundaries are set as free boundaries, a genetic algorithm is adopted to carry out iterative optimization on the material distribution topology of a square design domain, the optimal material distribution topology of the square design domain is obtained, and then the final optimized shape of the radial double-frequency sound filtering metamaterial is obtained. Compared with the prior art, the invention has the advantages of capability of realizing omni-directional sound wave frequency doubling filtering, high design reliability and the like.

The invention relates to the technical field of reinforcement learning intelligent scheduling, in particular to an intelligent scheduling management method for prefabricated part production resources based on reinforcement learning. The specific implementation process comprises the steps of collecting order demands, material distribution and production pedestals in real time, and mapping the order demands, the material distribution and the production pedestals into production mold load tensors; when a scheduling request is triggered, inputting the production modulo tensor into a resource arrangement network, and performing search and reasoning by using a scheduling strategy based on a multi-head attention mechanism to generate a resource scheduling matching instruction; calculating a state difference tensor, and outputting an efficiency reward signal in combination with a delivery constraint and a cost constraint; and packaging the production modulo tensor, the resource scheduling matching instruction and the reward signal into semantic interaction experience, storing the semantic interaction experience into a scheduling experience playback pool for gradient modulation, and iteratively optimizing a scheduling strategy. According to the method, learning can be carried out from a large amount of historical data by utilizing reinforcement learning, iterative optimization of the scheduling strategy is realized, the calculation time consumption of scheduling instruction generation is reduced, and the flexibility of production scheduling is improved.

The invention discloses a manufacturing task autonomous negotiation and execution method based on a large language model agent, and the method comprises the steps: constructing a production scheduling agent, an equipment management agent, a material distribution agent and a quality control agent, analyzing a natural language task instruction through the production scheduling agent, and decomposing the natural language task instruction into subtasks; each agent calculates a utility value based on the load rate, the resource matching degree, the estimated completion time and the historical success rate, and performs structured negotiation to achieve a task allocation consensus; a prediction-check-rollback architecture is adopted to generate an action instruction sequence, the sequence is compiled into a time Petri network transition sequence, and reachability verification is carried out based on hard security constraints; production environment data is collected in real time to trigger anomaly detection and re-negotiation, and a formalized security verification and causal anti-factual reasoning parameter updating mechanism is introduced. According to the method, unstructured instruction understanding, autonomous task planning, multi-agent collaborative decision and closed-loop optimization are realized, and the problems of real-time performance, safety and interpretability of a large language model in manufacturing control are solved.

The utility model discloses automatic punching and receiving equipment for multi-cavity injection products, which comprises a rack, a first carrier transferring mechanism, a manipulator clamp, a runner cutting machine, a transfer carrying module, a second carrier transferring mechanism, a water gap cutting machine, a blanking carrying module and a material distribution box mechanism, wherein the first carrier transferring mechanism, the manipulator clamp, the runner cutting machine, the transfer carrying module, the second carrier transferring mechanism, the water gap cutting machine, the blanking carrying module and the material distribution box mechanism are mounted on the rack; a manipulator clamp is arranged above the input end of the first carrier transferring mechanism in a butt joint mode, a runner cutting machine is further arranged above the first carrier transferring mechanism in a butt joint mode, and the transfer carrying module carries products on the first carrier transferring mechanism after runner cutting to the second carrier transferring mechanism. A water gap cutting machine is arranged above and below the second carrying seat transferring mechanism in a butt joint mode, and a discharging carrying module and a material distribution box mechanism are arranged at the output end of the second carrying seat transferring mechanism in a butt joint mode. By means of the mode, the injection molding runner and the injection molding water gap are sequentially cut twice, hot cutting of the water gap is achieved, cutting precision and notch flatness are guaranteed, product quality is guaranteed, and products are packaged in cavities.

The invention discloses a photocuring 3D printing mechanism method for multi-material cooperative spraying, and relates to the field of cooperative control, and the photocuring 3D printing mechanism method comprises the following steps: layering a model, generating a material distribution map, and labeling a functional area and a transition area; a multi-nozzle array is used for accurately positioning and spraying according to the atlas; a gradual change path is planned in the transition area, and gradient change of material components is achieved through cooperative spraying; a partition curing strategy is adopted, ultraviolet light full curing and visible light semi-curing are adopted, and leveling is promoted in combination with micro-vibration; spraying a penetrating agent between layers to form a mechanical interlocking enhanced interface; based on visual online defect detection, printing parameters are fed back and adjusted in real time through a CNN model. The device and the method have the advantages that accurate mixing of multiple materials is realized through cooperative spraying of the multiple piezoelectric sprayers and gradual change path planning, and real-time defect detection and correction can be realized by matching with differentiated photocuring, high-frequency micro-vibration leveling and interlayer penetrating agent interlocking, so that high-precision multi-material functional component forming is efficiently completed.

The invention provides an MES-based solar cell production and manufacturing execution method and system, and the method comprises the steps: collecting equipment states and technological parameters in real time, combining a bar code system to achieve the single-chip-level metadata association, constructing a standardized data architecture, building a multi-dimensional index, converting the expert experience into reasonable rules, and carrying out the calculation of the reasonable rules. The method comprises the following steps: simulating the influence of parameter combination on product performance, triggering an edge computing node to call a knowledge graph to perform parameter optimization and production simulation based on a dynamic threshold early warning mechanism, identifying process improvement opportunities through a batch tracing report and clustering analysis, forming knowledge base iteration update, predicting inventory risks in combination with a production plan and equipment load, and performing production management. According to the method, intelligent purchasing is automatically triggered, raw material distribution is optimized, technological parameter self-optimization, abnormity self-healing, quality traceability and supply chain collaboration are achieved through data driving, the production efficiency, the product consistency and the resource utilization rate are improved, and a whole-process digital solution is provided for photovoltaic manufacturing.

The invention discloses a cutterhead structure design method combining topological optimization and finite element analysis, and belongs to the technical field of aerospace high-performance cutting tool design and manufacturing. The technical problems that a traditional cutter head depends on experience design, and rigidity, chip removal and heat stability are difficult to balance are solved. According to the method, a parameterized model is established, multi-working-condition loads including cutting loads, dynamic excitation and thermal-mechanical coupling are defined, a topological optimization technology with multi-working-condition weighted flexibility minimization as a target and a material volume fraction as a constraint is adopted, and a material optimal distribution cloud picture is generated based on a variable density method; geometric reconstruction and engineering semantic interpretation are carried out on an optimization result, and a material enrichment region is converted into engineering characteristics such as an internal reinforcing rib and a variable spiral transition structure, so that a lightweight high-performance conceptual model is formed; finally, through multi-working-condition finite element verification and manufacturing manufacturability analysis, a final design scheme meeting the requirements for strength, rigidity, dynamic characteristics and thermal stability is obtained through iteration.

The invention relates to the technical field of concrete block production, and discloses a self-insulation concrete block forming device which comprises a base and a mold box, a mounting frame is fixedly arranged at the top of the base, and a vibration groove is formed in the top of the base. During use, the mounting frame moves downwards to drive the discharging head to move synchronously, and when the mounting frame moves to a proper height position, the sliding mechanism drives the two convex sliding blocks to do reciprocating horizontal motion above the mold box, so that uniform arrangement of slurry can be realized; under the matching action of a linkage mechanism, a vibration mechanism and an elastic mechanism, the mold box vibrates up and down in a reciprocating mode, the uniform material distribution effect is improved, bubbles in slurry are rapidly discharged, the production quality is improved, and after building blocks are formed, a scraping plate is driven to move downwards to achieve the scraping function through the action of a control mechanism; and the mold frame is driven to move upwards under the matching action of the electromagnetic adsorption mechanism and the demolding mechanism, so that the demolding function is realized.

The utility model belongs to the technical field of cement processing, and relates to a feeding device of a cement raw material powder roller press, which comprises a feeding box, feeding baffles, a sieve plate and an adjusting device, the feeding baffles are mounted on two sides below the feeding box through bearings, the sieve plate is fixed on the baffles, and the adjusting device is mounted on the outer side of a box body, connected with the baffles and capable of adjusting the positions of the baffles. The baffle plate is arranged on the sieve plate, a material distribution net is uniformly arranged below the sieve plate so as to uniformly distribute the materials, the adjusting device consists of a motor, a hydraulic rod and a sliding block, and the motor controls the baffle plate through the hydraulic rod and the sliding block so as to realize the adjustment of the feeding quantity. The materials with large particle sizes in the raw materials are firstly sieved and remained on the sieve plate, and the raw materials with small particle sizes fall down and are crushed and then are fed into the baffle plate to be opened; meshes of the sieve plate are enlarged, so that the raw materials with large particle sizes fall down, the raw materials are uniformly dispersed on the extrusion rollers through the material distribution net below the sieve plate, and the utilization rate of the extrusion rollers is maximized.

The invention belongs to the technical field of path planning, and particularly relates to a multi-AGV textile workshop material distribution path dynamic planning method and system, and the method comprises the following steps: S1, obtaining the position and speed of each AGV, and the Lidar and visual data of the environment, and recognizing and classifying the barriers, such as textile equipment, raw material stacks, workers and the like, in the environment through a semantic segmentation network; and fusing the position information of the Lidar point cloud and the semantic category information of the obstacle, constructing an asymmetric probabilistic risk potential field for different categories of obstacles, and ensuring that the risk potential field gradient of a region corresponding to a worker is the highest. According to the method, the AGV can accurately distinguish different obstacles such as working personnel and equipment by utilizing the semantic segmentation network and constructing the asymmetric risk potential field, so that the operation safety in a complex man-machine co-fusion environment is improved, and particularly, the safety of the personnel is guaranteed.

A dispenser for sheet materials is disclosed. The dispenser includes a housing having an including a cover assembly, a back frame member comprising a first side and a second and opposite side forming an interior surface of the housing, and the first side of the back frame member comprising at least one mating receptor; and a plate comprising a carrier member primarily made from plastic and a decorative facia, wherein the carrier member has a facia side coupled to the decorative facia and a back and opposite side, including a locking element, wherein the plate is configured to be removably coupled to the first side of the back frame member when the locking element of the carrier member is releasably engaged to the mating receptor of the back frame member such that the decorative facia forms an exterior surface of the dispenser.

The invention provides a box girder concrete pouring path tracking method and system based on a Beidou system. The method comprises the following steps: firstly, constructing a box girder BIM model, and carrying out layered and segmented subdivision according to a preset rule to form a plurality of three-dimensional latticed pouring areas; material distribution opening positioning data are obtained in real time through a Beidou system, and matching calibration is conducted on the material distribution opening positioning data and BIM model space coordinates. And based on the calibrated model, the initial position and the target position of the pouring arm are determined in combination with the geometric parameters of the pouring area and a preset sequence rule. And taking the minimum material distribution time and the maximum material distribution uniformity as optimization objectives, and considering mechanical motion limitation to generate an optimal pouring path. In the pouring process, the position of a pouring arm is tracked in real time through Beidou positioning data, pouring is completed according to a planned path, meanwhile, pouring state identifiers of all areas in the BIM model are dynamically updated, and full-process visual tracking is achieved. According to the technical scheme, the construction precision and the intelligent level of box girder concrete pouring are improved.

The invention provides a liquid cooling plate flow channel design optimization method and device based on topological optimization and a liquid cooling plate, and relates to the technical field of thermal management, and the method comprises the steps: S1, determining the geometric parameters of the liquid cooling plate according to the size of a battery module, constructing a double-layer two-dimensional design domain, and setting material, heat source and boundary conditions; s2, a topological optimization algorithm is adopted, material distribution is represented with a relative density variable, a multi-objective function giving consideration to the maximum heat exchange amount and the minimum pressure drop is constructed, a clear fluid-solid interface is obtained through density filtering and a projection function, and a target double-layer two-dimensional flow channel contour is obtained through iterative solution under volume fraction constraint; and S3, taking the target double-layer two-dimensional flow channel contour as a cross section to carry out spatial stretching bending deformation, and generating a double-layer special-shaped flow channel structure with a diffusion layer and a collection layer. According to the method, global optimization of two-dimensional topological optimization and three-dimensional geometric reconstruction are fused, the contradiction between the heat dissipation performance and the flow resistance is effectively solved, and a high-performance heat dissipation solution is provided for battery thermal management.

The invention relates to the technical field of material layer automatic control, and discloses a silo intelligent storage control system, which comprises a data acquisition module for acquiring and preprocessing silo data through multiple types of sensors; the data analysis module is used for calculating to obtain a state evaluation parameter set; the intelligent decision-making module determines an early warning level through a double-threshold early warning mechanism, and obtains a control decision-making parameter set based on the state evaluation parameter set and the early warning level; and the execution control module is used for executing the control decision parameter set. According to the method, the silo space is discretized into the three-dimensional voxel grid, accurate three-dimensional description of the material distribution state is achieved, the shear stress of each voxel is calculated on the basis of fused data such as the material level height and the pressure difference, the flow state of each voxel is accurately judged by comparing the shear stress with the yield threshold value, and the flow state of each voxel is accurately judged. Scientific basis is provided for making a discharging strategy, blind operation is avoided, quantitative evaluation of the silo operation risk is achieved, and scientific basis is provided for preventive maintenance.

The invention provides a construction control system, method and equipment of an underwater leveling machine and the underwater leveling machine, and relates to the technical field of ocean engineering. The construction control system comprises a sensing subsystem used for obtaining the weight of stone in a hopper of the underwater leveling machine and the inclination angle of the hopper; the calculation subsystem is used for determining the stone mass based on the weight of the stone in the hopper and the inclination angle of the hopper and calculating the real-time material distribution mass flow rate based on the time sequence data of the stone mass; the current terrain elevation of the foundation bed is obtained to calculate the terrain residual error and the to-be-laid volume; and the control subsystem is used for generating a cloth control instruction through an optimization decision algorithm based on the real-time cloth mass flow rate, the terrain residual error, the to-be-laid volume and the predicted thickness distribution. According to the system, real-time working condition monitoring, dynamic flow calculation, terrain deviation analysis and predictive control strategies can be combined, closed-loop accurate control over the whole process from material conveying to bottom bed forming is achieved, and the control precision of underwater leveling construction is improved.

The invention discloses an intelligent construction equipment control method based on a multi-modal large model, and relates to the technical field of intelligent construction and construction equipment control, and the method comprises the steps: collecting concrete pumping flow, pipeline pressure, construction area point cloud and multi-angle images, obtaining a voice instruction of an operator at the same time, and carrying out the noise suppression and voiceprint recognition; inputting the trained multi-modal large model to carry out cloth coverage precision judgment, calculating a regional granularity factor, comparing the regional granularity factor with a coverage threshold value, and automatically generating a task label or triggering a voice correction strategy; a dynamic feeding stability coefficient is constructed by calculating the standard deviation of flow and pressure data, and intelligent monitoring and regulation of the running state and the construction environment of the material distributing machine are achieved in combination with a load balancing coefficient and a construction risk probability; the system also establishes a full-link tracing mechanism, realizes traceability of operation instructions, personnel identities and equipment states, ensures controllable construction quality and clear responsibility, and realizes task process optimization and continuous improvement.

The invention belongs to the technical field of sintering production process control, and relates to an intelligent control method and device for a sinter crushing and granulating system, and the method comprises the following steps: building a size fraction target set according to a raw material structure and production load parameters; material size distribution information is collected, and deviation is calculated; the materials are guided to a pre-screening channel and a fine screening channel, and technological parameters are adjusted according to deviation; coarse grains larger than the screening limit are removed in the pre-screening process, and return mine, separated materials, finished products and a crushing path are formed in the fine screening process; and updating the target set and adjusting the process parameters when the raw materials or loads change. According to the technical scheme, by establishing the size fraction target set based on the raw material structure and the production load parameters and combining online size fraction detection and linkage control, dynamic coordination of crushing, screening and material distribution is achieved, the size distribution is stabilized in the target interval, self-adaptive adjustment of raw material and load changes is kept, and the product quality is improved. And the production requirements of timely particle size adjustment response, coordinated crushing and screening and high particle size distribution precision are met.

The invention provides a leading pretreatment device for pumping and cleaning clustered marine organisms and floaters, the leading pretreatment device comprises a buoyancy platform, a butt joint structure, a controller and a dispersion assembly, a treatment cabin is arranged in the middle of the buoyancy platform, and the dispersion assembly is composed of a turbulent flow triggering assembly and a liquid spraying assembly; impurities are collected in a suction mode, the device is provided with self-buoyancy and a modular structure and can be rapidly in butt joint with a tail bag of an interception net, the optimal suction posture is achieved, and the core innovation of the device is that a dispersing assembly and a cutting device are sequentially arranged in the suction direction, material distribution is achieved through a rotating cylinder and a conical column, and high-frequency vibration and a reverse micro-impact mechanism are combined; the block mass structure is effectively damaged; by adopting the unique design of the fixed impeller and the rotary volute, an annular liquid curtain is formed when the barrel rotates, so that the winding property and the overall strength of disaster-causing objects can be reduced, the disaster-causing objects are more easily scattered and cut by subsequent components, the subsequent mechanical load is reduced, the problem of blockage of a flow channel is solved, and the energy consumption and the abrasion of equipment are reduced.

The invention provides a multi-slice high-speed series welding machine device which comprises a complete machine and further comprises an input part at the head section of the complete machine, a strip winding part is arranged in the input part, and a welding part is arranged in the middle section of the complete machine. The welding part comprises a silicon wafer transmission unit, a silicon wafer connection unit, a pressing net input unit, a pressing net body, a glue injection unit, a pressing net backflow unit, a welding unit and a belt manufacturing unit which are arranged on one side of the belt winding part, and a welding output part is arranged at the tail section of the whole machine; the pressing net body comprises an outer frame structure, a pressing strip, a gluing structure, a glue storage structure and a glue filling structure which are arranged on the pressing net backflow unit, through the double-rail design, the two battery piece connecting modules and the drawstring assembly which are arranged in parallel are adopted, welding of double-row battery strings is completed cooperatively, and compared with a traditional single-row welding mode, the welding efficiency is remarkably improved, and the production cost is reduced. And through optimization of material distribution, net pressing backflow, feeding carrying and the like, efficient operation and continuous production of the equipment are guaranteed, and the device is particularly suitable for large-scale and efficient battery piece welding operation.

The invention relates to the technical field of an integrated circuit appearance inspection enhancement method for improving packaging reliability, particularly discloses an integrated circuit appearance inspection enhancement method for improving packaging reliability, and aims to solve the problems that in the prior art, the detection sensitivity of microdefects in packaging is low, and reliability evaluation lacks a quantitative basis. The method comprises the following steps: synchronously acquiring optical, infrared and X-ray multi-mode appearance data; fusing and constructing a three-dimensional geometry and material distribution model of the packaging structure; extracting three defect features of geometric morphology, thermal response and structural integrity; performing defect collaborative identification and risk grading through a weighted fusion strategy; and finally generating a structured inspection report containing defect information, risk levels and reliability prediction. According to the technical scheme, high-precision detection and reliability quantitative evaluation of potential defects such as microcracks, welding spot holes and packaging layering can be achieved, and the packaging quality control level and the detection efficiency of an integrated circuit are remarkably improved.

The invention relates to the technical field of plastic processing, and discloses a plastic melting uniformity analysis method and system. The method comprises the steps that supply quantity fluctuation and material distribution data are collected, and a temperature deviation fluctuation interval and a material anomaly distribution diagram are obtained; the fluctuation type is judged by combining the temperature deviation and the dynamic disturbance frequency, and temperature distribution abnormity prediction data is generated; key features are extracted from the temperature distribution anomaly prediction data, and the plastic flow characteristic change trend is determined; integrating the dynamic characteristic data to evaluate the influence degree of the melting process on the uniformity; quantifying shear rate sudden change response based on the influence degree, and adjusting fusion time fluctuation interval parameters; generating a uniformity distribution diagram through multi-scene simulation, and determining a product quality quantitative index; and according to the index, generating an adjustment strategy and performing iterative optimization, and finally determining a fusion process control parameter. The problems of poor melting uniformity and control lag caused by disturbance coupling are solved, and the stability of the plastic melting process and the product quality consistency are improved.

The invention relates to the technical field of amorphous nanocrystalline mother alloy smelting, and discloses a low-cost iron-based amorphous nanocrystalline mother alloy non-vacuum smelting method based on high-aluminum niobium silicon iron, which comprises the steps of material distribution and heating smelting in a furnace, alloying and primary refining, slagging and secondary soft argon blowing refining as well as slagging-off and tapping. By means of the argon blowing process and the secondary refining slagging process in a non-vacuum smelting system, the exogenous inclusions introduced by the high-aluminum niobium silicon iron can be removed to the maximum extent. The production cost of the master alloy can be remarkably reduced, the cleanliness of the master alloy can be improved, and the method has economical efficiency and practicability and is suitable for industrial large-scale popularization and application.

The invention discloses a method for preparing a Ti80 titanium alloy slab ingot based on a vacuum self-consuming furnace and electron beam cold bed furnace duplex process, which adopts the duplex process of VAR pre-alloying and EB smelting ingot forming, performs component homogenization through vacuum self-consuming, optimizes a material distribution mode in an electron beam cold bed furnace and process parameters to control element volatilization, and improves the quality of the Ti80 titanium alloy slab ingot. According to the method, the VAR component uniformity advantage and the EB purification and direct ingot forming advantages are integrated, the subsequent Ti80 titanium alloy plate preparation process can be shortened, and the carbon emission and the production cost can be reduced.

The invention discloses uniform-distribution movable concrete pipe production grouting equipment which comprises a conveying box, stirring rods are rotationally arranged on the front side and the rear side of an inner cavity of the conveying box through driving mechanisms correspondingly, spiral blades are fixedly connected to the surfaces of the stirring rods, and a plurality of stirring blades are fixedly connected to the surfaces of the stirring rods; a feeding port is formed in one end of the top of the conveying box, and the other end of the bottom of the conveying box vertically communicates with a discharging pipe. According to the movable concrete pipe production grouting equipment with the uniform material distribution function, through guiding communication of the transverse pipe, collected dust can be conveyed into an inner cavity of a dust removal cloth bag, then the dust is collected in a centralized mode, airflow is discharged through an exhaust window, the dust is collected, and the device is more environmentally friendly; and the body protection of workers around the device is improved.

The invention relates to a disaster prevention emergency material distribution method and device, equipment and a medium. The method comprises the following steps: acquiring multi-source heterogeneous data of a disaster area; performing standardization and spatial fusion processing on the multi-source heterogeneous data to obtain standardized spatial grid data; based on the standardized space grid data, analyzing the material demand urgency degree of each space grid to obtain demand urgency degree data; generating initial material distribution scheme data according to the demand urgency degree data and preset material inventory data; and based on the initial material distribution scheme data, in combination with preset transportation network data, carrying out scheme adjustment through a predefined multi-objective optimization rule, and generating a material distribution scheme. By adopting the method, the problems of unreasonable distribution and low decision-making efficiency caused by data splitting and dependence on experience in a traditional mode are solved, the integration from disaster assessment to transportation scheduling is realized, the decision is quickly optimized, and the overall efficiency of emergency response is improved.

The invention discloses a cabin multi-dimensional fire simulation method and system for fire personnel training, and the method comprises the steps: carrying out the modeling of a cabin, generating a digital twinborn body of the cabin, carrying out the initialization, and constructing a thermal fluid dynamic field, the digital twinborn body comprises a cabin geometric structure, a combustible material distribution condition and a linkage control interface of fire fighting equipment, and the cabin geometric structure is divided into a plurality of grids; fire information is obtained in real time through a sensor arranged in a cabin and mapped to the corresponding position of the digital twinborn body, a dynamic fire evolution cognitive model used for describing dynamic fire evolution is set, and the dynamic fire evolution cognitive model comprises a thermochemical reaction potential operator and a space coupling operator of flame propagation; and simulating the combustion condition of each grid through a dynamic fire evolution cognitive model, generating a final digital twinborn body, mapping the final digital twinborn body to virtual reality equipment, and completing fire training in a cabin by a user through the virtual reality equipment.

The invention relates to the technical field of battery material sintering, in particular to a multi-section tandem type rotary kiln sintering system. The multi-section tandem rotary kiln sintering system comprises a kiln body unit and a material mixing mechanism. The multiple kiln body units are sequentially arranged in series in the material conveying direction, and the multiple kiln body units are arranged in a stepped mode in the gravity direction. And each kiln body unit corresponds to different process sections of material sintering. The material mixing mechanism comprises a plurality of sets of air inlet assemblies arranged on the wall faces of the kiln body units, the air inlet assemblies communicate with the inner spaces of the kiln body units, and the air inlet assemblies are configured to introduce airflow into the kiln body units so as to blow up materials. According to the multi-section tandem rotary kiln sintering system, the distribution uniformity of materials in the kiln body units can be improved, the phenomenon of overburning or insufficient sintering time of the materials is reduced or avoided, and the comprehensive production cost is reduced while the product quality is improved.

The invention provides a material management method and system suitable for an offline multi-terminal environment, and relates to the technical field of material management, and the method comprises the steps: obtaining network data; obtaining material data of a plurality of terminals in an offline state; performing statistical analysis on the material data to generate a material operation statistical index; carrying out visual analysis on the material operation statistical indexes to obtain a material consumption visual chart; according to the material consumption visualization chart, predicting a material demand index through a material prediction model; determining an optimal material distribution scheme through a material distribution algorithm according to the predicted material demand indexes in combination with inventory constraints and demand constraints; and based on the optimal material distribution scheme, material distribution is carried out through an automatic material distribution process so as to realize material management. According to the invention, the efficiency and accuracy of material management can be improved, so that managers can make scientific and reasonable decisions even in a network-free environment.