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Design method for fixed-wing air survey type unmanned aerial vehicle

A design method, wing aerial survey type technology, applied in the directions of calculation, aircraft parts, instruments, etc., can solve the problems of unmanned aerial vehicle not meeting the specification requirements, excessive rotation angle, complex control technology, etc.

Inactive Publication Date: 2015-03-11
CHINA UNIV OF GEOSCIENCES (WUHAN)
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In today's society, UAV aerial survey technology is developing in full swing, and its complex control technology, high cost and training expenses have become stumbling blocks for many units
If the cost is reduced, the designed UAV often does not meet the specification requirements, the deflection angle is too large, and the load is small, resulting in blurred and unclear effects.

Method used

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  • Design method for fixed-wing air survey type unmanned aerial vehicle
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  • Design method for fixed-wing air survey type unmanned aerial vehicle

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Embodiment Construction

[0089] The present invention will be further described below in conjunction with drawings and embodiments.

[0090] The invention provides a design method for a fixed-wing aerial survey type unmanned aerial vehicle, specifically comprising the following steps:

[0091] (1) Design wing parameters;

[0092] (1a) the wing adopts an S-type airfoil;

[0093] The Reynolds coefficient is the ratio of the product of air density, airflow velocity, and wing chord length to the air viscosity coefficient. The Reynolds coefficient is an important factor in judging the flight state of the wing. The larger the Reynolds coefficient, the earlier the boundary layer flowing through the wing surface Transition from laminar edge layer to turbulent boundary layer, and turbulent boundary layer is not easy to separate from the wing surface, so it is less prone to stall. A stall is a state in which the lift provided by the wings is less than the total drag of the aircraft, causing the aircraft to fa...

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Abstract

The invention provides a design method for a fixed-wing air survey type unmanned aerial vehicle. The method comprises the following steps: based on a vehicle structure and the working performance, designing the wing profile and a vehicle body; analyzing designed parameters through a Profili software model; drawing a base drawing in CAD (Computer-Aid Design); performing 3D modeling on the drawn base drawing in SketchUP; printing a drawing for manual manufacturing after obtaining a vehicle-mounted 3D model in order to obtain an XW-06 air survey type unmanned aerial vehicle which is low in cost, is easy to operate, and has high stability. The unmanned aerial vehicle manufactured through the design method provided by the invention is low in cost, and has high load capacity; high interference resistance and high stability can be realized specific to different weather conditions, and user-friendly man-machine interactivity is realized.

Description

technical field [0001] The invention belongs to the field of aerial photogrammetry, and in particular relates to a design method for a fixed-wing aerial survey type unmanned aerial vehicle. Background technique [0002] Due to the high requirements for image quality (heading overlap, side overlap, yaw angle, pitch angle, roll angle, contrast, saturation, etc.) The UAV airborne system has excellent performance such as strong wind resistance, stable flight attitude, accurate cruise route, and easy operation. [0003] In today's society, UAV aerial survey technology is developing in full swing, and its complex control technology, high cost and training expenses have become stumbling blocks for many units. If the cost is reduced, the designed UAV often does not meet the specification requirements, the deflection angle is too large, and the load is small, resulting in blurred and unclear effects. Contents of the invention [0004] In order to solve the deficiencies in the pri...

Claims

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Application Information

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IPC IPC(8): B64F5/00G06F17/50
Inventor 许伟陈刚吴鹏赵茹玥
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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