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The present application relates to a kind of digital mockup construction system for three-dimensional woven preform equipment, the system includes the construction method of five different models and the construction method of four kinds of associations between models, the construction of five different models is physical modeling, data modeling, action modeling, process modeling, simulation, four kinds of associations between models are respectively associated with data, the association of motion model and physical three-dimensional model and data model, the association of process model and motion model and data model, the association of simulation result and data model.This method constructs virtual production process twin model, and carries out two-way real-time interaction with physical production process, utilizes the dynamic update of simulation model driven by multi-source data, standardizes the construction process of digital mockup, realizes real-time monitoring to production process, improves the utilization of data, realizes closed-loop feedback and process optimization.

The application discloses a register data communication method, equipment and medium based on a Modbus protocol, and relates to the technical field of register data communication. The method comprises the following steps: receiving a user-input configuration parameter; constructing at least one register partition for each type of defined register, wherein the partition information of each register partition is encapsulated by a preset data structure, and the register segment memory pointer of each register partition is bound to a Modbus protocol table; generating a unified data table for providing a unified mapping relationship for Modbus function code analysis and access based on the bound partition information; configuring a Modbus function code; when a Modbus request is received, analyzing and routing the Modbus function code and logical address in the Modbus request to the corresponding register according to the unified data table to perform a read-write operation; and dynamically modifying the partition information of the register partition during the running process, and updating the unified data table based on the modified partition information. The register scale can be flexibly adjusted without deepening the underlying code, and the register dynamic adjustment capability based on the Modbus protocol is improved.