A sorting method for simulation of flight control system design models

By generating configuration files and using a depth-first search algorithm, the circular data stream of delayed model elements is parsed, and the model elements are processed in groups. This solves the sorting problem in the simulation of flight control system design models, and improves simulation efficiency and design quality.

CN117762038BActive Publication Date: 2026-07-17XIAN FLIGHT SELF CONTROL INST OF AVIC

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
XIAN FLIGHT SELF CONTROL INST OF AVIC
Filing Date
2023-12-15
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In the simulation process of flight control system design models, existing technologies struggle to effectively address issues such as closed-loop connections, multi-level nesting, and delay characteristics of feedback systems, leading to difficulties in simulation sequencing and impacting design iteration efficiency and verification costs.

Method used

A sorting method is adopted, which extracts the basic elements and data flow connections of the design model by generating a configuration file, uses a depth-first search algorithm to form a tree-like data structure, parses the circular data flow of the delayed model elements, and divides the model elements into Finish, Ready and Waiting groups. Elements are moved according to the data flow connections to form a simulation execution sequence. Finally, the simulation is solved according to the task sequence and the order of the model elements.

Benefits of technology

It achieves efficient and reliable simulation sequencing, detects errors in the design model in advance, improves the efficiency of design iteration and the accuracy of simulation results, reduces the cost of subsequent verification, and enhances the reliability and quality of the design.

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Abstract

This application provides a sorting method for simulation of flight control system design models, including: generating a configuration file based on the design model of the flight control system; extracting basic elements and data flow connections from the configuration file to generate a task sequence; unblocking loops in the delay model elements within the task sequence; parsing the execution order of the model elements within the task sequence; and solving the design model by combining the task sequence and the execution sequence of its internal model elements.
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