85 results about "Virtual production" patented technology

The invention relates to a digital twin system of an intelligent production line, which comprises a physical space layer, an information layer and a virtual space layer. The physical space layer is composed of a physical production line, intelligent sensing devices and an industrial control network. The information layer includes a data conversion module, a data analysis module and a production line information database. The virtual space layer can adapt to a variety of platforms and environments including personal computers and handheld devices, is used for generating a virtual production line consistent with the physical production line by a 3D visual engine through online real-time and offline non-real-time rendering under the driving of the production line information database of the information layer, and has the functions of multi-angle of view visual display, natural interaction, state monitoring and so on. The real-time state information of the physical production line is collected by various intelligent sensing devices, and based on the information, a three-dimensional visual engine is driven to generate a virtual production line model consistent with the physical production line through rendering, thereby realizing the twin mirror image of the virtual production line and the physical production line.

The invention discloses a multi-user immersive full-interactive virtual reality engineering training system, and belongs to a virtual reality engineering training system. A participant of the training system is endowed with a specific role of the virtual system; the participant is interacting with a virtual scene through a man-machine interactive device; each extension set is connected with a host computer through the network, and the communication between the host computer and the extension set is realized; and a host computer operator monitors, evaluates and guides the virtual scenes and roles through a host computer display device and the man-machine interactive device. A virtual reality technology applied to the engineering training is realized; the training system is applied to the man-machine interaction and provided with the characteristics of experience, sense of immersion and sense of participation; by the combination of online operation, cooperation of types of works and virtual production scenes, the problems of difficulty in implementation, high cost and dangers existing in field experimentation, practical teaching and security training of the engineering fields are well solved; the training system has the advantages that the time-space limitation is broken through by using the virtual reality technology; the study and participation interest of the participant is improved; and in addition, the training system can be updated and perfected in real time with the development of science and technology and with the scene changes.

The present invention discloses a camera positioning correction calibration method and a system for realizing the method, belonging to the technical field of image virtual production. Through the intrinsic relationship among a lens parameter, an imaging surface and an optical tracking device, by using the world coordinate and image point coordinate of N mark points on a background screen and the internal parameter and lens distortion parameter of a camera lens, the rotation matrix between a camera coordinate system and a world coordinate system and the translation vector of a camera perspective center in the world coordinate system are obtained, combined with the current position information given by a camera posture external tracking device in a current state, camera correction calibration information and viewing angle are obtained, the lookup table with a focusing distance and a focus length relationship is established, thus when a camera position, a lens focal distance and a focusing distance change, the position of the virtual camera of the virtual production system is fully automatically positioned and corrected, and thus a real video frame picture and a virtual frame image generated by a computer can be matched perfectly.

The invention relates to a production line design and optimization method based on digital twinning. The production line design and optimization method comprises the following steps: performing digital process design on a product, integrally planning a production line, constructing and integrating a digital twinning model of the production line, performing simulation verification on a virtual production line, constructing and implementing a physical production line, and performing virtual-real mapping and optimization on the production lines. According to the invention, the digital twinning model is constructed according to three levels of elements, behaviors and rules, and has production line evaluation, evolution and reasoning capabilities; a virtual production line model is established,virtual debugging and simulation operation of the virtual production line are achieved, the production line does not need to be constructed firstly, design risks are avoided, and debugging time is saved; and a virtual-real mapping relationship and an interaction mechanism between the virtual production line and the physical production line are established, statistical analysis is performed on theoperation data of the virtual production line, and optimization and management and control on the physical production line are realized.

The invention provides a testable digital twinning body modeling method for an intelligent production line, and the method comprises the steps: firstly building a three-dimensional model of equipmentin the intelligent production line through digitalized modeling software, and importing the three-dimensional model into digitalized production line simulation software to obtain an intelligent virtual production line; secondly, planning motion paths of the equipment, simulating the intelligent virtual production line to obtain simulation beats until all the motion paths are traversed, and exporting the motion path with the smallest simulation beat to construct an intelligent physical production line which is the same as the intelligent virtual production line; and finally, setting a PLC control logic scheme according to the simulation process of the intelligent virtual production line so as to drive equipment of the intelligent virtual production line to perform production action simulation, so that the production actions of the intelligent physical production line and the intelligent virtual production line are kept consistent, and the construction of the testable digital twinning body of the intelligent production line is completed. Key information and operation data of the intelligent physical production line can be reflected in real time by operating the intelligent virtual production line, the production line building and debugging time is shortened, the project period is shortened, and the project cost is reduced.

The invention discloses a virtual factory service collaboration system based on a digital twinning technology. The system includes a physical plant module, a digital twinning module and a transactionmodule., The system is scientific and reasonable, safe and convenient in use, and is provided with a physical plant module, a digital twinning module and a transaction module, the cloud platform is used for carrying out real-time mutual communication on information among the three parts; the digital twinning module is sued for making systematic planning on different aspects including to-be-manufactured products, manufacturing modes, resources and locations; all the aspects are associated; collaboration of design personnel and manufacturing personnel is realized; the physical plant module, thedigital twin module and the transaction module build a closed loop for planning and execution, the digital twin module is used for combining a virtual production world and a real production world, thedigital twin module is used for generating detailed operation instructions to associate with the whole process of the physical factory module design and transaction module, and the production efficiency is improved.

An electronic commerce for semiconductor products comprises a network, a client terminal, a connection server, a virtual production line, and a real production line. The real production line actually manufactures semiconductor products. The virtual production line provides a computer with substantially the same functions as the real production line and computes an optimal lot progress. The connection server connects the virtual production line to the client terminal via the network. When a condition is entered from the client terminal, the connection server transfers this condition to the virtual production line. Simulation is performed realtime for determining whether a product flows in the virtual production line under the transferred condition. The connection server transfers a simulation result to the client terminal. Based on the simulation result, a electronic commerce is conducted.

An improved cinematographic system for creation of a film and/or video productions wherein the action figures are puppets controlled by rods, manipulated by puppeteers, on a virtual production set. In the system and method of this invention, one or more production set props are positioned within the studio set between the puppeteers and the puppet. In order to avoid puppeteer cross of the set props while manipulation of the puppet, one or more real production set props, or components of real production set props, are key-colored to a background screen of the virtual production set, and thereby initially eliminated from the cinematographic reproduction of the real/action images of the action figures on the set. Thereafter, the real/action image is composited with at least one virtual image (virtual image of the production set prop and a virtual image of a background scene of the real/action image) to complete the cinematographic composition.

A method of registering virtual equipment for a virtual production system includes generating a production system model and a production process model of a virtual factory on the basis of a structure database (DB), a production DB, and an operation DB, extracting a plurality of equipment behavior catalogs (EBCs) regarding a plurality of pieces of virtual equipment used in the virtual factory from an EBC repository on the basis of the production system model, generating and simulating a plurality of equipment processing models on the basis of the plurality of EBCs and the production process model, and generating an EBC set on the basis of the plurality of EBCs when a result of the simulation satisfies a predetermined criterion.

The invention discloses a controllable pitch angle panoramic photography system used for film virtual production, belonging to the camera control technical field, and comprises a plurality of cameras and a panoramic photography system support. The panoramic photography system support comprises a foot rest, a holder, a multi-machine supporting plate, camera pitching adjusting components and camera fast-assembling components. The multi-machine supporting plate is fixed at the top end of the holder; the cameras, the fast-assembling components and the camera pitching adjusting components are successively in connection; the bottom of each set of camera pitching adjusting components is fixed on the multi-machine supporting plate; the pitching shooting angle of each camera is adjustable under the condition of not increasing system total resolution; the pitching shooting angle of each camera can be accurately and flexibly controlled according to camera positions, shooting scenes, etc., and thereby wider dynamic vertical visual angles can be obtained.

The invention provides a welding-based virtual production manufacturing method and system. The method includes the steps of according to a base material of each welding joint in a to-be-produced product and thermophysical performance parameters corresponding to a preset welding material, conducting elastoplasticity calculation, deformation analysis and stress analysis on each welding joint, and obtaining welding parameters and a welding sequence of the welding joints; according to the welding parameters of each welding joint, obtaining a three-dimensional process model and three-dimensional process equipment of the to-be-produced product; according to the three-dimensional process model, the three-dimensional process equipment and the welding sequence of the to-be-produced product, generating a welding process model of the to-be-produced product on the basis of three-dimensional offline programming, and adjusting each process in the welding process model; according to the adjusted welding process model, conducting virtual production manufacturing on the to-be-produced product. Manpower and material resources are reduced, and the production cycle of the to-be-produced product is shortened.

Provided are a system and a method combining a virtual situation and used for managing a production line. The system is mainly formed by adding a virtual production information integration system into a traditional production line management system and comprises a data base and an object converting table. The system for managing the production line leads predetermined production schedules and product information of all products into the object converting table, so that after current production schedules and the predetermined production schedules are compared, the information of all products is converted into corresponding virtual objects respectively, and a corresponding virtual fraction is set for each virtual object according to comparison results. Device operation staff can select a corresponding virtual object by screening the virtual fraction so as to select and produce products indicated by the virtual objects. Tediousness of the device operation staff can be reduced during work, and a prior production sequence of all products can be distinguished fast through the virtual fraction.

A virtual production line indicating an object (e.g., a vehicle) sequence for an actual production line and objects (e.g., vehicles) planned in the future is updated based on a long-term production plan, a fixed production plan, and actual production results. Then, the ordering timings for the parts necessary for the respective objects in the virtual production line are calculated based on the timing for using the parts and the delivery lead time, and the orders are placed according to those timings.

The invention provides a hot continuous rolling process monitoring and early warning method based on digital twinning, and relates to the technical field of rolling process intelligent manufacturing.The method comprises the following steps: firstly, establishing a three-dimensional solid model and a process model of a hot continuous rolling process at a virtual end; obtaining existing hot continuous rolling production process data, storing the existing hot continuous rolling production process data into a database, and establishing a corresponding relationship between the data in the databaseand the three-dimensional entity model of the virtual end; then calculating by using the process model and utilizing the actual production process data of hot continuous rolling, judging a calculatedvalue, and giving an early warning according to a judgment result; and further storing the hot continuous rolling actual production process data, the process model calculation value data and the judgment result data into a database, establishing an action corresponding relationship between the hot continuous rolling actual production process data and virtual production equipment, and carrying outthree-dimensional presentation on the production process at a virtual end, completing the construction of digital twins in the hot continuous rolling process, and continuously performing the digitaltwins according to a fixed communication period until the production of the rolled piece product is finished.

The invention discloses a craft beer saccharification operation system and method based on VR (virtual reality). The system comprises a graphic workstation, a VR liquid crystal display, a VR head-mounted display, handle equipment and a laser locator, wherein the VR liquid crystal display is used for displaying a 3D panoramic scene of a craft beer virtual production workshop, and synchronously displaying a moving picture and an action execution picture of a virtual user model; the VR head-mounted display is used for immersing the user into the 3D panoramic scene of the craft beer virtual production workshop; the handle equipment is used for allowing the user to control motion and action execution of the user in the virtual scene; the laser locator is used for positioning the user and capturing motion of the user. Operation rules of the actual production flow of the craft beer saccharification process can be showed clearly, and are close to the feeling of real experience of actual operation. Students can complete the study content by similar games, and the teaching effect is improved; the students can be helped to understand the characteristics of the craft beer saccharification process in a short time.

The invention provides an account product transaction processing method and system and a transaction server, and relates to the field of virtual production transaction of the network. The method comprises that the transaction server generates an order in response to a transaction request emitted by a buyer aimed at account product information issued by a seller, and order information recorded by the order comprises the order number and the number of third-party application to which the account product information belongs; according to the order information, the transaction server asks an account opening server of the third party application to create an application account of the third party application for the order; the transaction server receives the application account, of the third party application, returned by the account opening server, and generates account information, which comprises the application account and the number of the third party application, in an associated manner; and the transaction server provides the application account of the third party application for the buyer. Thus, the account can be created automatically, labor cost is reduced, and the account creating efficiency is improved.

The invention relates to the technical field of remote production control methods, and discloses a remote production control method based on an RFID tag, which comprises the following steps that a virtual production line program is generated in a server according to the assembly requirement of a raw product, and the allowable longest dwell time Tmax and the maximum accumulation number Nmax of theraw product at each station are set; the in-situ product code is stored in a chip of the RFID tag, the in-situ product code comprises a mark code at the head end, an assembly line code at the middle end and a station code at the tail end, the station code is matched with a station needing to pass through, and the in-situ product code of the RFID tag is bound with a virtual production line program.The RFID tag is bound with the in-situ product, the reader-writer and the conveying device are matched, the target in-situ product can be conveniently and automatically recognized through radio frequency signals, relevant data of the RFID tag are conveniently obtained, manual intervention is not needed in the recognition work, wireless remote reading and writing and penetrability reading and writing can be achieved, and the production efficiency of a production line is improved.

The invention provides an unmanned warehouse logistics optimization system based on virtual production. An intelligent warehouse keeper system, a PLC control system and a virtual production system are connected in sequence; the intelligent warehouse keeper system, the PLC control system and a real production system are connected in sequence; the intelligent warehouse keeper system is used for independently driving a virtual production model to act for production trial operation, so as to observe the logistics trend and the equipment action in the virtual production system and output an index capable of evaluating the operation efficiency; the intelligent warehouse keeper system is further used for driving the virtual production model and a real production site to act at the same time, predicting a link capable of being optimized in the virtual production system, outputting the index capable of evaluating the operation efficiency, and counting and analyzing the field operation condition. Through real-time interaction between the intelligent warehouse keeper system, the PLC system and the virtual production model, trial production can be carried out under a new condition, a high-load condition or other conditions, so as to evaluate the production process; virtual production and actual production can be controlled to be conducted synchronously; and the logistics link capable of being optimized can be mined, so that the logistics is more smooth.