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A radar-guided unmanned aerial vehicle automatic landing guidance and control system and its control method

An automatic landing and control system technology, applied in the field of flight control, can solve the problems of limited aircraft carrier deck area, small runway area, and difficulty in safe landing of drones

Inactive Publication Date: 2018-10-16
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

In practice, due to the limited area of ​​the aircraft carrier deck, the area of ​​the runway available for landing is very small, coupled with the complex sea conditions, resulting in six-degree-of-freedom motion disturbances on the aircraft carrier deck, so it is quite difficult for UAVs to achieve safe landing
[0003] At present, there are very few research documents on the guidance and control technology of UAV landing. Usually, only the longitudinal channel is studied, and the guidance method is not studied, and the control method adopted is relatively conventional.

Method used

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  • A radar-guided unmanned aerial vehicle automatic landing guidance and control system and its control method
  • A radar-guided unmanned aerial vehicle automatic landing guidance and control system and its control method
  • A radar-guided unmanned aerial vehicle automatic landing guidance and control system and its control method

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Embodiment Construction

[0120] The present invention will be further described below in conjunction with the accompanying drawings.

[0121] Such as figure 1 Shown is the functional block diagram of the radar-guided UAV automatic landing guidance and control system. The system includes a shipboard control subsystem and an airborne control subsystem. The communication between the two subsystems is realized through a data link. The precision tracking radar installed on the ship can measure the spatial position of the UAV relative to the ship, but since the measurement coordinate system moves with the deck movement of the ship, the spatial position of the UAV measured by the radar will also be affected by the movement of the deck. If there is jitter, this jitter will enter the trajectory guidance system as a feedback signal, which will cause the rudder surface of the UAV to vibrate, which is very unfavorable to the landing flight. In order to eliminate this disturbance, a stable measurement coordinate ...

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Abstract

The invention proposes a radar guide unmanned plane automatic carrier landing guide and control system, and a control method therefor. The system consists of an airborne control subsystem and a carrier-borne guide subsystem, which achieve communication with each other through a data link. A measured relative position signal of an unmanned plane and a ship is subtracted by a disturbance signal caused by deck movement, thereby obtaining plane-ship relative position information in a stable coordinate system. Longitudinal and lateral control signals of the unmanned plane are calculated through a longitudinal guide law, a longitudinal control law, a lateral guide law and a lateral control law, and the unmanned plane is controlled to land automatically on the ship. The proposed system improves the landing accuracy and safety of the unmanned plane.

Description

technical field [0001] The invention relates to the technical field of flight control, in particular to a radar-guided unmanned aerial vehicle automatic landing guidance and control system and a control method thereof. Background technique [0002] The automatic landing of the UAV is to guide and control the UAV to slide and land on the ship along the landing track by the guidance and control system without human participation. In practice, due to the limited area of ​​the aircraft carrier deck, the area of ​​the runway available for landing is very small, coupled with the complex sea conditions, resulting in six-degree-of-freedom motion disturbances on the aircraft carrier deck, so it is quite difficult for UAVs to achieve safe landing . [0003] At present, there are very few research documents on the guidance and control technology of UAV landing. Usually, only the longitudinal channel is studied, and the guidance method is not studied, and the control method adopted is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D1/08G05D1/10
Inventor 甄子洋杨一栋王新华江驹
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS