Unmanned aerial vehicle jet reverse thrust type super-speed braking method and braking device

By employing a jet-assisted reverse-thrust high-speed braking method, which utilizes the instantaneous reverse braking force of high-pressure gas and vector nozzle control, the problems of slow braking response and low efficiency of UAVs are solved, achieving a fast and stable braking effect. This method is suitable for the safe flight of medium and large UAVs in complex environments.

CN122501528APending Publication Date: 2026-08-04DONGGUAN RANFENG POWER CO LTD +1
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Patent Information

Application Number
CN202610594329.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-30
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

Existing drone braking methods have slow response speeds and low braking efficiency, which can easily lead to safety risks, especially in complex environments, making it difficult to meet the application needs of medium and large drones in urban and complex scenarios.

Method used

The jet reverse thrust high-speed braking method is adopted. Through the gas tank, adjustable vector nozzle and servo drive module, high-pressure gas is used to generate instantaneous reverse braking force. Combined with attitude sensor and distance detection module, the jet direction and jet volume are adjusted in real time to achieve fast and stable braking.

Benefits of technology

It achieves millisecond-level braking response for drones, improving braking efficiency and attitude stability, adapting to complex environments, reducing collision risks, and is compatible with hydrogen fuel cell drones without the need for an additional gas source, thus balancing endurance and environmental friendliness.

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Abstract

This application relates to the field of unmanned aerial vehicle (UAV) control technology, and discloses a jet-driven high-speed braking method and device for UAVs. The method includes: a control unit acquiring flight attitude data of the UAV and relative correlation data between the UAV and obstacles; the control unit generating a braking command based on the relative correlation data and generating a nozzle angle adjustment command based on the flight attitude data; the control unit controlling a servo drive module to drive the nozzle to adjust the airflow injection direction and controlling the nozzle to inject airflow in the airflow injection direction, thereby generating an instantaneous reverse braking force until the control unit generates a safety command based on the relative correlation data to complete the braking of the UAV. This application can improve braking response speed and ensure the flight safety of UAVs.
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