54 results about "Series production" patented technology

The invention provides an intelligent workshop material dynamic pulling control method, system and device, and relates to the technical field of intelligent manufacturing, and the method comprises the steps: firstly, obtaining a basic inventory buffer capacity, an equipment topological graph, production scheduling characteristics, real-time production data and a material warehousing rate of an intelligent workshop; time sequence production features, equipment topological features and production scheduling features are extracted in combination with a multi-modal prediction model, the predicted material consumption rate is output, and the prediction precision is improved; secondly, a real-time inventory water level and a dynamic replenishment threshold value are calculated in combination with a prediction result and equipment operation parameters, production fluctuation and equipment fault risks are dynamically adapted, and inventory overstock or material interruption shutdown caused by a traditional static water level is avoided; and finally, if the real-time stock water level is lower than the dynamic replenishment threshold value, according to the material transportation parameters, constructing a minimum delay path objective function, generating an optimal path, and controlling the automated guided vehicle to execute replenishment, so that timely replenishment is ensured, the stock turnover rate is improved, and the lean level of workshop material management is improved.

The invention relates to a production environment parameter control method and system based on industrial Internet of Things. The method comprises the following steps: collecting a first real-time production environment parameter and a subsequent planned production task, carrying out production environment parameter prediction, obtaining a prediction time sequence production environment parameter set, and determining a critical time point; acquiring response time characteristics of the environment controller, and determining a control time point for the critical time point; and at the control time point, collecting a second real-time production environment parameter of the target workshop, generating an environment control parameter of the environment controller, and controlling the environment controller to execute production environment control based on the environment control parameter. Intelligent prediction of production environment parameters, critical point identification and optimal opportunity intervention control are realized through an Internet of Things sensing network and a production plan, so that the stability of the production environment is ensured, and meanwhile, the energy consumption is reduced.

A time-series production simulation method taking capacity dynamic programming into consideration, and an apparatus and a medium, relating to the technical field of power systems. The method comprises: establishing a single-year time-series production simulation model; on the basis of the single-year time-series production simulation model and a CNN-GRU network, constructing an equivalent load support rate interval decision network; on the basis of the single-year time-series production simulation model, constructing a multi-stage dynamic programming model oriented to the problem of power capacity expansion; using a NO search algorithm to compress a state space in the multi-stage dynamic programming model, so as to obtain a compressed state space for the problem of dynamic programming; and in the compressed state space, using an APO optimization algorithm and a DCS algorithm to construct a time-series production simulation method solution framework taking capacity dynamic programming into consideration, and using the time-series production simulation method solution framework to determine a fast time-series production simulation result taking capacity dynamic programming into consideration.

The invention relates to the technical field of flexibility resource potential assessment, and particularly discloses a high-energy load flexibility potential assessment method, which comprises the following steps: constructing a high-energy load flexibility supply refinement model; based on an inter-node multi-path resource transmission mechanism, constructing a flexible supply and demand transmission model and a system flexible supply and demand space-time balance condition; establishing a high-energy load response potential evaluation index system; and on the basis of time sequence production operation simulation, taking the system flexibility insufficient index as an optimization variable, and constructing a high-energy load response potential evaluation model considering flexible supply and demand space-time balance. According to the method, the adjustment characteristic of the high-energy load, the supply and demand transmission process of the power grid and the spatial-temporal distribution characteristic are comprehensively considered, so that the support potential of the high-energy load for the flexibility of the power system is accurately evaluated, and the operation scheduling of the power system is optimized.

The invention discloses a time sequence production task active reasoning method and system based on a knowledge graph. The method comprises the following steps: analyzing and determining a to-be-executed production task and a resource configuration scheme thereof; obtaining a production task execution state and updating a pre-established knowledge graph; and if an abnormal condition is detected by using the production equipment, determining an affected production task and taking corresponding measures. According to the invention, through an active reasoning mechanism, the efficiency of production scheduling is improved, the response capability of the system to emergencies is enhanced, and the reduction of production delay and resource waste is facilitated.

The invention relates to a method for producing a composite brake drum (1), wherein - a friction ring (2) is produced as a metal cast part, - a brake pot (3) made of a lightweight metal alloy is cast around the friction ring (2) at least with oversized dimensions, as a result of which a composite brake drum blank with a central axis (8) is produced, - the composite brake drum blank is pre-processed at least on its outer circumference (7) with oversized dimensions, - an imbalance of the pre-processed composite brake drum (1), comprising the brake pot (3) and the friction ring (2) of the pre-processed composite brake drum (1), is determined, - the outer circumference (7) and / or the hub (6) of the brake pot (3) is post-processed and the central axis (8) of the composite brake drum (1) is displaced by a radial offset (a) towards a hub axis*** (10) such that the determined imbalance is at least partially compensated for, - the brake pot (3) is then fully circumferentially finished, and - screw openings (9) for wheel screws are introduced. As a result, the composite brake drum (1) can be balanced and produced simply, cost-effectively and in a manner which is suitable for a series production.

The invention relates to a method for the serial production of identical sheet metal parts (100), in particular body parts, wherein the sheet metal parts (100) are produced in a press or press line by forming a sheet metal material (M) and then arranged into a stack (200) of sheet metal parts. According to the invention, during the production of the sheet metal parts (100) in the press or press line, at least one cup-shaped spacer element (110) is formed into each sheet metal part (100), which functions as a spacer in the stack (200) of sheet metal parts.

The invention relates to a method for determining the application quality of a seal (6) for a wing element (5) of a motor vehicle after the seal (6) has been applied in an application process by means of an assembly system (13) in a series production of motor vehicles, and comprises the following method steps: detecting an actual state of at least one variable characterizing the application quality of the seal (6) applied to the wing element (5) by means of at least one sensor device (4); comparing the actual state with a target state of the at least one variable stored in an electronic computing device of the assembly system (13); and adapting at least one application parameter for an application of a further seal (6) to be applied in series production as a function of the comparison if the target state is exceeded by the actual state.

Production plant (10) for the series production of motor vehicles (100, 102) of different motor vehicle types and / or different model variants, with the following features: - the production plant (10) has several workstations (20, 22) at each of which at least one predetermined work process for the series production of the motor vehicle (100, 102) can be carried out, and - the workstations (20, 22) are interconnected so that, after completion of the work process at one workstation (20), the motor vehicle (100, 102) to be produced can be transported to the next workstation (22), and are characterized by the following features: - at least one workstation (20) has a receiving area (30) on which at least two load carriers (40) with components (42, 44) can be placed for the specified work process, - the workstation (20) has an upstream zone (60) in which a large number of load carriers (40) with components (42, 44) for the workstation (20) are kept, - the production plant (10) has a transport system (50) which is suitable for delivering the load carriers (40) with components (42, 44) to the receiving area (30) and for picking up empty load carriers (40') from the receiving area (30), and - the receiving area (30) is designed for the placement of load carriers (40) with different components (42, 44) for motor vehicles (100, 102) of different vehicle types and / or different model variants.

The present invention relates to a hierarchical time-series production simulation method for integrated main, distribution, and micro-grid based on partition aggregation, which comprises the following steps: Step S1: Define the aggregation partitions of the main, distribution, and micro-grid; Step S2: Establish the upper-layer time-series production model; Step S3: Establish the lower-layer time-series production model; Step S4: Set the constraint conditions; Step S5: Based on Steps S2-S4, use Cplex for solution to obtain the time-series production simulation process. The present invention improves the power supply reliability and new energy utilization rate of the main, distribution, and micro-grid on the basis of optimizing the power balance of the main, distribution, and micro-grid, and ensures the safe and efficient operation of the main, distribution, and micro-grid.

Mold casting system (100) for the series production of castings (300) using the sand casting process, with: - a mold manufacturing station (110) which includes a 3D printer (115) that produces mold segments (210) from loose molding sand (S); - a desanding station (120) in which the mold segments (210) produced with the 3D printer (115) are desanded; - a joining station (130) in which the desanded mold segments (210) are joined to form a mold strand (220) having casting cavities (230); and - a casting station (140) in which the casting cavities (230) are filled.

This invention relates to the field of anomaly diagnosis technology, specifically disclosing a method and system for tracing the root causes of production process anomalies based on a time-series knowledge graph. The method includes: acquiring time-series data from multi-source sensors on the production line, performing hierarchical dynamic updating graph modeling, and constructing a time-series production knowledge graph; capturing and classifying abnormal events according to preset anomaly identification rules, and using local abnormal events as precise trigger points; performing reverse causal backtracking on the time-series feature entities of the precise trigger points based on the time-series production knowledge graph to obtain a directed backtracking subgraph; performing dual-dimensional root cause quantification on the causal paths of the directed backtracking subgraph to obtain a suspected root cause sequence; performing multi-path hybrid weighted root cause quantification on the suspected root cause sequence to determine the final root cause location result; and outputting an intelligent traceability analysis report based on the root cause location result and relevant data across the entire chain. This invention improves the accuracy and efficiency of tracing the root causes of production process anomalies.

This invention belongs to the field of intelligent control technology, specifically a digital intelligent control method and system for the production process of water-dispersible granules. The method includes: establishing basic process parameters; analyzing the influence of raw material physicochemical properties and process linkages on the basic process parameters to obtain process control parameters; adjusting the basic process parameters to obtain production control parameters; and collecting time-series production data. The method determines whether the time-series production data meets the target quality indicators; if so, it maintains the current production control parameters; otherwise, it optimizes the process control parameters. Feature extraction is performed on the time-series production data to obtain production deviation features. A hierarchical correlation analysis method is used to analyze the linkage production relationship between the basic process parameters and the production deviation features, and the process control parameters are optimized to obtain process correction data. This invention can significantly improve quality stability, production efficiency, and capacity, achieve coordinated control of the entire production process, and reduce the incidence of chain production deviations.

The invention relates to a method for producing a composite brake drum (1), wherein - a friction ring (2) is produced as a metal cast part, - a brake pot (3) made of a lightweight metal alloy is cast around the friction ring (2) at least with oversized dimensions, as a result of which a composite brake drum blank with a central axis (8) is produced, - the composite brake drum blank is pre-processed at least on its outer circumference (7) with oversized dimensions, - an imbalance of the pre-processed composite brake drum (1), comprising the brake pot (3) and the friction ring (2) of the pre-processed composite brake drum (1), is determined, - the outer circumference (7) and / or the hub (6) of the brake pot (3) is post-processed and the central axis (8) of the composite brake drum (1) is displaced by a radial offset (a) towards a hub axis*** (10) such that the determined imbalance is at least partially compensated for, - the brake pot (3) is then fully circumferentially finished, and - screw openings (9) for wheel screws are introduced. As a result, the composite brake drum (1) can be balanced and produced simply, cost-effectively and in a manner which is suitable for a series production.

The present invention relates to an electrochemical gas deposition cell (10) for deposition of a gaseous Lewis acid, in particular carbon dioxide, which comprises an adsorption electrode (20) with at least one electrochemically active material for the reversible electrochemical adsorption of the Lewis acid and a counterelectrode (30) with at least one electrochemically active material for charge equalization of the adsorption electrode (20). The at least one electrochemically active material of the adsorption electrode (20) and / or the at least one electrochemically active material of the counterelectrode (30) is applied to a carbon material.In order to provide electrochemical gas deposition cells (10) and their adsorption electrodes (20) and / or counter electrodes (30) with a high durability in a simple, cost-effective and series-production manner, in particular which can be used for electrochemical (potential) swing adsorption or electro(chemical) swing adsorption (ESA), the carbon material of the adsorption electrode (20) and / or the counter electrode (30) comprises graphite with a surface area of ​​< 80 m. 2 / g and / or soot with a surface area of ​​≥ 80 m 2 / g. Furthermore, the invention relates to corresponding manufacturing processes as well as electrode materials and electrodes (20,30).

To improve the series production of high-quality door leaves with a high-quality appearance, the invention provides a method, a device, a set of parts, an arrangement, and a computer program for the automated manufacture of a door leaf with a leaf-covering door fitting. First, recesses (21, 46, 48) for receiving the lock and door fitting components are created in a door leaf body (74) made of machinable material by numerically controlled machining; then, a mortise lock (20) is mounted in a lock recess, and subsequently, a substructure and a cover rosette (32) are mounted in recesses on the broad side of the door leaf (15). The substructure is inserted with play into a substructure receiving recess with radial play, positioned therein in alignment with a position of a lock follower (44), and fixed.In some embodiments, the substructure for supporting a handle (36) has an insert sleeve (58) with a cover collar (60) which covers the radial gap on an inner diameter of the cover rosette, which is to be provided for tolerance compensation.

The invention relates to a cold rolling machine (10) with two tool pairs (18, 19), each comprising a first rolling bar (20) and a second rolling bar (21) for cold forming a workpiece (11). The rolling bars (20, 21) are movable in opposite directions parallel to a longitudinal direction (L) for forming. Each rolling bar (20, 21) is attached to an associated tool slide (32). Each tool slide (32) can be moved and positioned in the longitudinal direction (L) by means of an associated drive unit (33). The drive unit (33) is controllable by means of a control unit (34). The tool slides (32) can be individually positioned and moved in the longitudinal direction (L). The cold rolling machine (10) has at least three individually movable tool slides (32).To set up the cold rolling machine (10), the tool slides (32) and the attached rolling bars (20), (21) of each tool pair (18, 19) can be moved longitudinally (L) to a defined reference position (R1, R2) in order to obtain the desired geometry of the profile (13) on the formed workpiece (11) during subsequent forming. The reference position (R1, R2) can optionally be corrected during series production of several workpieces (11) of the same type if this is necessary due to external influences, such as thermal effects, tool deviations, or tool wear.

The invention belongs to the field of machining equipment, and discloses lightweight compact portable drilling equipment which comprises a power module, a transmission module and a main shaft module. The transmission module drives the main shaft through two sets of compact independent transmission chains, so that two degrees of freedom of rotation and feeding of the main shaft can be respectively controlled through the power module, and machining parameters can be adjusted and controlled; the guide module is provided with a spindle precision guide component, the floating shaft is matched with the guide shaft, the spindle tail end rotation precision and the machining stability are guaranteed, and then the machining precision and quality are guaranteed. According to the light-weight compact portable drilling equipment, the rotating motor and the feeding motor can independently control the rotating speed and the feeding speed of the main shaft respectively, and stepless adjustment of the rotating speed and the feeding speed of the main shaft can be achieved. The modularized transmission device is light in weight, small in size and capable of meeting the requirement for drilling in a narrow space; the universal spline interface can be quickly butted with the power unit module, and the operation is quick and convenient; and the modular design facilitates series production and adapts to various drilling working conditions.

This invention provides a method, system, and device for dynamic material pull control in an intelligent workshop, relating to the field of intelligent manufacturing technology. The method includes: First, by acquiring the basic inventory buffer, equipment topology diagram, production scheduling characteristics, real-time production data, and material inbound rate of the intelligent workshop, and combining a multimodal prediction model to extract time-series production characteristics, equipment topology characteristics, and production scheduling characteristics, the predicted material consumption rate is output, improving prediction accuracy. Second, by combining the prediction results with equipment operating parameters, real-time inventory level and dynamic replenishment threshold are calculated to dynamically adapt to production fluctuations and equipment failure risks, avoiding inventory backlog or material shortages and shutdowns caused by traditional static inventory levels. Finally, if the real-time inventory level is lower than the dynamic replenishment threshold, a minimum delay path objective function is constructed based on material transportation parameters to generate the optimal path, and the automated guided vehicle is controlled to perform replenishment, ensuring timely replenishment, improving inventory turnover, and enhancing the lean management level of workshop materials.

This invention discloses a rubber mixing production line in the field of rubber processing technology, comprising an upper open mill and a lower internal mixer. Two sets of upper mixing rollers are rotatably installed between the upper open mill and two sets of lower mixing rollers are rotatably installed between the lower internal mixer. The upper open mill is fixedly installed above the lower internal mixer, with the upper mixing rollers directly above the lower mixing rollers. Mounting frames are symmetrically installed on the upper surface of the upper open mill, and rotating threaded rods are rotatably installed between the mounting frames. Feeding components are threadedly connected to the rotating threaded rods. Cylinders are symmetrically installed on the upper surface of the upper open mill, with push plates fixedly installed at the free ends of the cylinders. The push plates are positioned between the two sets of upper mixing rollers, and movable threaded rods are fixedly installed on the cylinders. A sealing box is provided outside the lower mixing rollers, and a sealing plate is rotatably installed on the upper surface of the sealing box. This invention can automatically move rubber from the upper open mill to the lower open mill without manual assistance in material movement, and is a series production line with automatic feeding and automatic material movement.

A dry method and solvent-free composite technology selective combination four-in-one and series connection production line comprises a first unit, a second unit, a third unit, a fourth unit, a fifth unit and a drying oven, and the first unit comprises a first wallboard, a third unwinding unit and a second coating unit connected with the first wallboard in a quick-release mode; the second unit comprises a second wall plate, a fourth unwinding unit and a third coating unit which is connected with the second wall plate in a quick-release manner; the third unit comprises a third wallboard, a second compounding unit, a third compounding unit, a first winding unit and a sixth unwinding unit; the fourth unit comprises a fourth wallboard, a first compounding unit, a second unwinding unit, a second winding unit and a fifth unwinding unit; the fifth unit comprises a fifth wallboard, a first unwinding unit and a first coating unit connected with the fifth wallboard in a quick-release mode. The first coating station, the second coating station and the third coating station can be used for replacing the coating units through simple operation, and rapid replacement of various coating modes such as solvent-free coating and anilox roller coating is achieved.

The invention belongs to the field of machining equipment, and discloses portable wide-range output dual-power automatic drilling equipment. The portable wide-area output dual-power automatic drilling equipment comprises a power unit module and a modular transmission device, the power unit module comprises a rotating motor, a feeding motor and a compact speed reducer, and the modular transmission device comprises a rotating motion wheel train and a feeding motion wheel train. According to the automatic drilling equipment, the output reduction ratio can be changed by switching the rotating direction of the input shaft of the compact speed reducer, and wide-range output is achieved; the rotating motor and the feeding motor independently control the rotating speed and the feeding speed of the main shaft through the two transmission wheel trains respectively, and stepless adjustment of the rotating speed and the feeding speed of the main shaft is achieved. The modularized transmission device and the compact speed reducer are designed in a modularized mode, series production is convenient, the weight is light, the size is small, and the requirement for drilling in narrow and small space under various working conditions is met.

The present invention provides a production simulation method and system. The method includes: obtaining the time-series production data of an arbitrary regional power grid within a preset time range; inputting the time-series production data into a pre-established production simulation system for hourly production simulation time series simulation of the entire network, and outputting the system operation state results of different pumped storage schemes in the regional power grid; obtaining the new energy consumption level and thermal power peak shaving situation of the regional power grid under different pumped storage schemes according to the system operation state results of different pumped storage schemes in the regional power grid; comparing the new energy consumption level and thermal power peak shaving situation of the regional power grid under different pumped storage schemes to obtain the difference results of different pumped storage schemes. Through the above method, it can provide a reference for improving the new energy consumption level of the system, reducing the potential benefits of deep thermal power peak shaving, and evaluating the technical and economic benefits of variable-speed pumped storage projects in power grid applications.

The present invention discloses a multi-process flexible production grouping and diversion device for iron-containing surrounding rock and its diversion method, which relates to the technical field of comprehensive utilization of iron-containing surrounding rock. The multi-process flexible production grouping and diversion device for iron-containing surrounding rock includes the ground floor of the factory building, the second floor ground of the factory building, the third floor ground of the factory building and the outer wall of the factory building. A rough concentrate transfer belt is arranged on the ground floor of the factory building, and a row of rock belts are arranged through the outer wall of the factory building. The top of the second floor ground of the factory building is provided with a second row of rock belts. The multi-process flexible production grouping and diversion device for iron-containing surrounding rock and its diversion method adopt an online adjustable multi-process flexible production grouping in the first-stage coarse crushing and dry separation system. Through the online adjustable multi-process flexible production grouping process, the stable quality and quantity production of the whole series are ensured. At the same time, the online adjustable multi-system flexible production grouping method is used, which not only ensures the stable quality and quantity of the whole series production of the comprehensive utilization of surrounding rock, but also ensures the stable and smooth production of the rock discharging in the open-pit stope.

This disclosure relates to the field of power system technology, and discloses a method, apparatus, equipment, and storage medium for medium- and long-term power planning based on the characteristics of next-generation coal-fired power plants. The method involves constructing a first multi-dimensional operational constraint for next-generation coal-fired power units based on multi-dimensional characteristics, including clean energy reduction, safety, efficient regulation, and intelligent operation. A second multi-dimensional operational constraint is constructed based on the requirements for multi-source coordinated operation. A target constraint system for next-generation coal-fired power units is then constructed based on the first, second, and comprehensive cost constraints. The initial installed capacity scheme is iteratively optimized using a target time-series production model combined with the target constraint system to obtain the target installed capacity scheme. Through the first multi-dimensional operational constraint, the four core characteristics of clean energy reduction, safety, efficient regulation, and intelligent operation are accurately covered, effectively solving the problem of inaccurate characterization of coal-fired power plants.

The invention relates to a method for producing a composite brake drum (1), wherein - a friction ring (2) is produced as a metal cast part, - a brake pot (3) made of a lightweight metal alloy is cast around the friction ring (2) at least with oversized dimensions, as a result of which a composite brake drum blank with an axis of rotation (8) is produced, - the composite brake drum blank is pre-processed at least on its outer circumference (7) with oversized dimensions, - an imbalance of the pre-processed composite brake drum (1), comprising the brake pot (3) and the friction ring (2) of the pre-processed composite brake drum (1), is determined, - the outer circumference (7) of the brake pot (3) is post-processed and the rotational axis (8) of the composite brake drum (1) is displaced by a radial offset (a) towards the axis of gravity (10) such that the determined imbalance is at least partially compensated for, - the brake pot (3) is then fully circumferentially finished, and - screw openings (9) for wheel screws are introduced. As a result, the composite brake drum (1) can be balanced and produced simply, cost-effectively and in a manner which is suitable for a series production.

The invention relates to a method for providing a body component (3) of a motor vehicle at a production facility having a plurality of production units for series production of motor vehicles, wherein a part of a geometry of the body component is captured as a 3D point cloud (6) by means of at least one 3D sensor device (2), and a 3D model (7) of the part of the body component (3) is generated therefrom, and the 3D model (7) is compared with stored vehicle-model-specific geometry models, and based on the comparison, the body component (3) is provided at an output point of the production facility for one of the plurality of production units. The invention further relates to an allocation device (1).

The invention relates to a method and a hybrid system for determining an optimized number of purchase lot sizes for a component for series production.

One aim of the present invention is to enable the size of the fractionation column located downstream of the hydrocracking section to be minimised and therefore to minimise the cost of the process without having an impact on the performance of the process in terms of yield and selectivity for kerosene produced, by virtue of implementing a step of separation at the outlet of the hydrotreatment step a) and at the outlet of the hydrocracking step c), in the same separation unit or in different units, enabling at least part, and preferably all, of the liquid hydrocarbon effluent resulting from said separation to be fed directly to the hydrocracking step c) without passing through the fractionation step.