Real-time interaction test method for flight trainer undercarriage

The real-time interactive testing system built using Simulink and Matlab App solves the problems of high cost and low efficiency of traditional testing methods, and realizes efficient and real-time testing and verification of the landing gear retraction and extension control of the flight trainer.

CN121857633APending Publication Date: 2026-04-14XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA
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Patent Information

Application Number
CN202512031685.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-30
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Traditional testing methods for landing gear retraction and extension control of flight trainers are costly, resource-dependent, and inefficient in verification. They also lack efficient human-computer interaction mechanisms, resulting in lengthy testing cycles, increased iterations, and insufficient reliability of verification results, making it difficult to keep pace with the tight development rhythm of flight trainers.

Method used

A simulation model for landing gear retraction and extension control is built using the Simulink simulation platform. A user-friendly human-computer interaction interface is designed using Matlab App. Multi-dimensional data interaction and logic control are realized through data communication and processing units, providing a real-time interactive testing method.

Benefits of technology

It improves the comprehensiveness, interactivity, and practicality of landing gear retraction and extension control model testing, significantly enhances testing efficiency and quality, can fully simulate landing gear retraction and extension conditions, and supports rapid iteration and efficient verification.

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Abstract

The invention belongs to the technical field of flight training device undercarriage testing, and particularly relates to a flight training device undercarriage real-time interaction testing method, which is based on a Simulink and Matlab App joint simulation technology, constructs an accurate undercarriage folding and unfolding control simulation model through Simulink and designs a friendly human-computer interaction interface through Matlab App. The key problems of multi-dimensional data interaction, complex logic control, data visualization and the like are solved. On one hand, landing gear folding and unfolding working conditions including normal folding up, normal unfolding, emergency unfolding, over-control unfolding and the like can be comprehensively simulated. And on the other hand, through an intelligent man-machine interaction testing mechanism, the quality and efficiency of simulation model testing can be remarkably improved, and the comprehensiveness, interactivity and practicability of undercarriage folding and unfolding control model testing can be effectively improved.
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