Three-dimensional assembling technology design system based on information physical fusion and operation method thereof

Abstract

The invention discloses a three-dimensional assembling technology design system based on information physical fusion and an operation method thereof. The actual assembling environment and the virtualassembling system are combined by the system through the information physical fusion technology, the actually measured data of the critical elements / components / parts are acquired through the field equipment of the physical layer, the actually measured data are transmitted to the virtual information layer through the communication layer and used as the digital twin model data of product virtual-actual mapping to be used for virtual assembling three-dimensional technology planning and design, assembling precision prediction and the online correction instruction are given through virtual assembling simulation and process optimization and feedback control are performed on the field assembling activity so that the digital twin model can be continuously and dynamically updated to meet the product assembling design requirements, and finally the operator is guided to complete the product assembling task by three-dimensional technology demonstration. The trial assembling and repair time in theassembling activity can be reduced so that the product field assembling efficiency can be guaranteed and the product assembling accuracy and assembling accuracy can be enhanced.

Description

technical field [0001] The invention relates to the technical field of digitization and informationization of product assembly technology, in particular to a three-dimensional assembly process design method based on cyber-physical fusion. Background technique [0002] On-site assembly of products is one of the necessary links in the whole life cycle of product development, and its assembly quality largely determines the final quality of product development, especially for large and complex products (such as spacecraft, aircraft, ships, Weapons, construction machinery equipment, etc.), the quality of on-site assembly of its products will directly restrict the overall performance of the product. According to incomplete statistics, the man-hours required for product on-site assembly account for 30%-50% of the total man-hours for product production and development, and more than 40% of production costs are used for product assembly. The work efficiency and quality of assembly ha...

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Problems solved by technology

Although the above research has carried out a lot of research and exploratory applications on 3D assembly process design technology, but because it only pays attention to the product assembly process design method and ignores the field application of product assembly process, only the process documents of 3D assembly process design Or the simulation animation is distributed to the on-site operators. The workers can only passively browse the assembly process documents or simulation video animations. They can neither participate in detailed operations such as adjusting the model angle, setting model display attributes, etc., nor can the actual assembly tasks appear on the product site. Provide timely feedback and process online optimization and adjustment in case of abnormal situation

Therefore, under the existing working mode, there will still be a phenomenon that a qualified product can be assembled after multiple trials, repairs, adjustments, even disassembly, and rework during the on-site assembly process of the product, especially when there are many types of parts and components. It is more obvious in the assembly process of large and complex products with high precision requirements and cumbersome assembly coordination process, which eventually leads to the shortcomings of low intelligence and poor consistency in product assembly process design and on-site assembly application, which seriously hinders the improvement of 3D assembly process design level. Improve and promote the application of related systems in the field

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