News | China's first Beidou navigation agricultural machine automatic driving freshly baked

China's first Beidou navigation agricultural machine automatic driving freshly baked

On April 28th, 2016, at the "Hezhong Shuangzhuang" Hui Nong 'Beidou Navigation Autopilot System Appraisal Meeting held by China Satellite Navigation and Positioning Association, the first domestically developed Beidou, which is completely independent of intellectual property rights, was developed by Beijing Hezhong Shuang Technology Co., Ltd. The agricultural machinery automatic driving system is certified by on-site experts.

The appraisal committee composed of 10 experts including Chinese Academy of Sciences Sun Jiadong and Chinese Academy of Engineering academicians Shen Rongjun, Liu Jingnan and Chen Xuegeng agreed that the project is facing the major needs of China's modern agricultural development. The project is timely, innovative and innovative, and the results have reached the international advanced level. . Among them, Beidou/GNSS high-precision positioning and low-cost MEMS sensor fusion technology have achieved rapid entry into the international market. The products have been applied in batches, and have achieved obvious social and economic benefits, and have good prospects for popularization and application.

Guo Xinping, Chairman of Hezhong Shuangzhuang, reported on the development and application of the “Huinong” Beidou Navigation Agricultural Machinery Autopilot System. The system has completely independent research and development from core components, software algorithms and application control, and can serve different The users of the demand and the domestic tractor factory are more in line with the current situation of domestic farming operations, filling the gap of the domestic Beidou navigation automatic driving system and promoting the application depth of domestic agriculture.

The appraisal committee conducted detailed understanding and inquiry on the research background, main technical indicators, product technology approaches, core technologies, innovation points and application promotion of the project. It was agreed that the system project adopted a number of independent intellectual property cores based on Beidou. Technology, developed a new Beidou-based GNSS positioning and MEMS sensor fusion navigation automatic driving system; using forward, stop, and backward continuous automatic driving technology to achieve continuous control, less than 15 meters fast access ( Fast reversing line is less than 10 meters); using segmentation linearization technology to achieve extremely simplified school bus flow under guaranteed accuracy; developed an algorithm model suitable for a variety of application scenarios, and realized diagonal operation mode in agricultural automation Application on the driving system. The project is closely integrated with the market demand, and the results have realized industrialization of products and achieved batch application, and achieved obvious economic and social benefits. After field test and user inspection, it proves that it is suitable for agricultural machinery operation under different crops and various complex soil conditions.

The other experts in the identification team are from China Satellite Navigation Application Management Center, China Satellite Navigation Engineering Center, Agricultural Mechanization Management Department of the Ministry of Agriculture, Beijing Satellite Navigation Center and 22 CLP. The results of the actual test conducted by the test group composed of experts from China Agricultural University and China Satellite Navigation and Positioning Association in Xinjiang showed that the “Hui Nong” Beidou navigation agricultural automatic driving system reached a line accuracy of 2.5 cm, and the accuracy of the handover line 2.5 cm, the stopover starts without a starting curve, and the reversing line distance is less than 10 meters. The actual performance has reached the international advanced level of similar products.

At the "Beidou 100-100 Bailian Action Plan-Agricultural Project Demonstration Promotion Meeting" held after the system appraisal meeting, Hezhong Shuangzhuang Company introduced the application situation of the "Hui Nong" Beidou navigation agricultural machine automatic driving system. According to statistics, the system can be The management efficiency of agricultural machinery is increased by more than 30%, crop yield is increased by about 5%, and fuel consumption is saved by 10%. The working principle is to combine the RTK technology with the vehicle automatic driving technology to measure the position, heading and posture of the tractor, automatically adjust the steering of the vehicle, and make the vehicle strictly maintain the straight line, set the curve or automatically plan the path to travel. The degree reached 95%, reaching the level of similar foreign advanced products. While greatly improving the efficiency of agricultural machinery operations, the centimeter-level accuracy of farmland repeated operations such as arable land, sowing, spraying and harvesting is ensured, the driver's labor intensity is reduced, environmental pollution is reduced, and unit output is increased, which brings more benefits to farmers.

At this agricultural promotion conference, China Satellite Navigation and Positioning Association and China Agricultural Machinery Industry Association and China's Overseas Agricultural Development Industry Alliance signed a strategic cooperation agreement to jointly promote the application of Beidou satellite navigation system in the agricultural machinery industry.

(Original title: China's first self-developed Beidou navigation agricultural machinery automatic driving system passed the identification)