UAV aerial test operation process

In the rural land use confirmation project, the local government agencies provide local image maps with low resolution, insufficient precision, and cannot be used as a working base map. In order to obtain a suitable image map of the scale, the low-altitude aerial photography technology of the UAV has become an important means.

The surveying and mapping drone can perform full-cover high-precision aerial surveying with a resolution of 5 cm. By selecting the ground control point for orthorectification and improving the geometric accuracy of the image, it is possible to produce a high precision positioning of 1:500~1:2000. An orthophoto map of the scale.

The surveying and mapping drone group aerial survey team can be equipped with 1-2 people. After the aerial survey mission is finished, the data will be quickly checked. After the inspection is passed, it can be brought back for subsequent data processing.

The following is a detailed explanation of the operation flow of the mapping drone.

1 View weather conditions

UAV aerial survey, the weather conditions are good or bad. Before starting the aerial survey, it is necessary to grasp the weather conditions of the day and observe the thickness of the clouds, the light and the visibility of the air.

2 Arrive at the take-off venue

After determining the weather conditions and cloud distribution, it is suitable for aerial photography. It will bring the drone, ejection frame, digital transmission, computer and other related equipment to the aerial take-off point. The take-off point is usually inspected in advance, requiring a relatively flat site, no wires, high-rise buildings, etc., and the aerial order and sequence are determined in advance.

3 Determination of wind speed and direction

After arriving at the scene, the wind speed and direction were measured. The Raptor (Avian-P) mapping drone can withstand 6 wind speeds, minus 20 ° C ~ 60 ° C low temperature.

4 set up the catapult

In order to ensure the aircraft take off smoothly, the catapult is generally erected against the wind. The raptor (Avian-P) adopts a single ejection frame configuration, which has small requirements on the site and strong adaptability to the terrain. Compared with other products, the design of the projectile rope is more convenient and quicker, and at the same time, the safety of the operator is ensured to the greatest extent. Sex.

Car ejection rack

Simple catapult

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