The Application of Drones in Geological Work

Since the 1980s, drone surveying and mapping systems have become a hot topic in the world. With the development of computer technology and communication technology, the performance of drones is rapidly enhanced, and the application fields are rapidly expanding. drone aerial survey technology is an important tool for obtaining spatial data. It has long endurance, real-time image storage and transmission, high definition, flexibility, maneuverability, simple transportation and maintenance, low operating cost, etc. At present, drones are used in a large number of geological environment monitoring tasks, which play an extremely important role in world economic construction.

Compared with traditional satellites and large aircraft as platforms for remote data and image data, drones with cameras have flexibility and other characteristics, giving drone remote sensing systems unique advantages in small-area mapping and emergency data acquisition. Some operating areas are vast and have complex geographical environments. To achieve a thorough understanding of the entire working area, you can use GPS navigation to conduct surveys along the survey line, but the effect is not ideal. The lack of high-definition and high-resolution satellite images has greatly limited the survey work. Before the start of project work or during the construction process, the most detailed information is urgently needed to guide production and improve production efficiency.

The Concept of a Drone Remote Sensing System

Drone surveying and mapping systems and aerial remote sensing technology are important parts of modern surveying and mapping tools, important equipment to ensure emergency services, an integral part of the emergency rescue system, and a new tool to improve the efficiency of social management.

Application of Drone in Geological Work

  1. In the mountains, due to the poor take-off and landing environment and the influence of low clouds, traditional aerial photography is difficult. Using efficient and high-precision aerial photography systems and introducing drone systems can quickly obtain high-precision aerial images and greatly improve surveying and mapping results. Trendy, it can be widely used in various major projects such as emergency rescue, land resources, and remote monitoring of resource development. On the other hand, high-precision images can be widely used in urban planning, small-town construction, etc., to promote urban construction and improve work Efficiency plays an important role.
  • Large-scale mapping requirements may be satisfied by the development of low-altitude, high-resolution, and high-definition drone technology products. To replace the three-axis gimbal, a method is proposed to use the edge field of view to compensate for the camera attitude angle deflection to improve accuracy. This greatly reduces the total weight of the imaging system and is suitable for low-altitude aerial surveys of unmanned aircraft to improve the accuracy of photography.
  • Fixed-point exposure photography based on GPS navigation control uses a small digital camera with high precision and geometric calibration, and the result can meet the requirements for drawing large-scale maps. Through the identification of the two products, these two products have been applied in actual operations on emergency maps, major engineering maps, difficult areas for surveying and mapping, geological work, soil monitoring, and other major national resources and projects, and have achieved good economic and social benefits.

4. The remote control systems of the two groups of drones that have passed the certification are an important part of the aerial remote sensing technology system and feature systematic design, product practicality, and technological innovation. The products of these two projects are widely used in major national engineering projects, earthquake resistance, and economic and social development. They have played an important role, achieved good economic and social benefits, and promoted the collection of geographical information. All-weather, real-time collection of geographical information promotes the development of information-based surveying and mapping technology.

The Application of Drone in Result Processing

After efficiency and cost analysis, preliminary preparation, data collection, data preprocessing, precise data processing, and drawing processing, detailed pictures of the geological work area can be obtained, and these pictures will be greatly used in subsequent production.

1. Measurement Process

After obtaining the project data and drawings, the working group displayed and arranged all the survey lines on the map, which was very intuitive. It accurately marked deep valleys, high mountains, or difficult-to-climb mountains, made physical point offset designs in advance, and reported them promptly. After obtaining the approval of the supervision department, the working group will carry out the actual setting of the physical points.

2. HSE Guarantee

HSE management should run through all geological survey and collection processes to ensure that geological work is carried out safely, smoothly, and efficiently. When the surveying and mapping data are obtained by the surveying and mapping personnel, the HSE management personnel will prepare the HSE guarantee plan, HSE guarantee methods and methods, operational emergency plans, etc. in advance according to the topography of the surveyed area to ensure that all subsequent work of the working group is smooth and orderly. development. According to the on-site terrain, HSE managers can decide on the use of various HSE support devices, such as the location of vehicles, communication stations, logistics support points, etc., to ensure that there are no fatal flaws in HSE management.

3. Line Detection and Excitation Process

After the laying-out working group obtains the compiled drawings, it will designate a laying-out and inspection plan in advance based on the actual terrain, supervise the arrangement of vehicles, and supervise the deployment of personnel. Where vehicles can pass, a large amount of manpower and material resources can be saved and invested in valleys, mountains, and other places that are difficult to move, thus saving limited human resources and improving production efficiency.

After the stimulation working group gets the data compiled by the measurement working group, the quality of the data can be improved and the lots can be accurately divided.

Summary:

At present, the demand for surveying and mapping in all walks of life continues to grow. Planning and construction in various fields are inseparable from the support of advanced surveying and mapping technology. Vigorously promoting the use of drone aerial photography and remote sensing technology is for the economic construction is the best way to provide real-time data, an important tool to provide support and information services for leaders’ decision-making work, and it is also the best and fastest way.

The promotion and use of human-machine aerial photography and remote sensing technology is an important measure to promote independent innovation in surveying and mapping technology. With the needs of global economic development, there will be broader space for the application of drone technology in the future.

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