Unmanned operation is becoming the direction pursued by mining development.

Recently, Inner Mongolia North Heavy Industry Group North Co., Ltd. (hereinafter referred to as North Group, 600262. SH), a subsidiary of China Ordnance Industry Group, successfully launched the first unmanned electric wheel mining vehicle in China and entered the debugging stage. This has made China the third country, after the United States and Japan, to engage in unmanned driving technology for mining vehicles.

Unmanned driving technology mainly utilizes onboard sensors to perceive the surrounding environment of vehicles, sense road, vehicle position, and obstacle information, control vehicle steering and speed, and thus make vehicles safer and more reliable on the road.

The unmanned electric mining truck named NTE120AT, which has just been taken offline by Northern Stock, has a load capacity of 110 tons, a body length of 10 meters, a width of 5.5 meters, and a height of 5.7 meters. It adopts vehicle wire control technology, which can accurately, smoothly and smoothly complete parking, parking, and trajectory operation on the mine site. It can also complete operations such as automatic dumping and autonomous obstacle avoidance.

The vehicle is expected to enter mine trial operation in the first half of 2019.

According to Northern Stock, research data shows that, taking into account relevant factors, seven unmanned mining vehicles can replace at least nine vehicles of the same model in terms of workload, reducing fuel costs by 6%, reducing tire wear by more than 7.5%. If labor cost savings are added, the overall yield can be increased by 49%.

There is a lot of dust in the mining area, and traditional conventional cameras are difficult to function properly. According to Northern Holdings, therefore, the NTE120AT adopts onboard sensors that are supported by lidar and millimeter wave radar, achieving 360 ° dead angle perception of the vehicle.

After the testing is completed, NTE120AT needs to undergo another round of improvement and refinement. Afterwards, the lateral and heading errors for accurate driving and precise parking of the vehicle will be limited to the centimeter level.

In recent years, with the efforts of a number of technology companies and car manufacturers, autonomous vehicle technology has made significant progress.

Autonomous vehicles cover various technologies such as automatic control, artificial intelligence, and visual computing. The research on it originated from countries such as Britain and the United States in the 1970s, and China began to involve it in the 1980s.

In contrast, the research on unmanned mining vehicles lags far behind, as the working conditions at the mining operation site are more complex and variable, with larger mining vehicles and heavier loads, and stricter requirements for technology and vehicles.

The dump truck used in open-pit mines has the highest similarity to ordinary cars. Apart from loading and unloading, there is no need to perform other operations on the materials, and its main job is to drive along a fixed route. Therefore, this type of mining vehicle is easier to apply unmanned driving technology.

Unmanned transportation has advantages in terms of safety and vehicle wear and tear. By planning layout and eliminating driving errors, the production efficiency of mining areas can be improved, accidents can be avoided, and labor costs for drivers can be reduced, as well as the wear and consumption of vehicles themselves.

The earliest companies in the industry to achieve autonomous driving of mining vehicles were the United States and Japan. Japanese brand Komatsu has been operating unmanned mining dump trucks in the Rio Tinto iron mine area in Australia for eleven years since 2008.

In recent years, domestic manufacturers including CRRC and XCMG have also started research in this area.

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