Analysis of the physical and mechanical properties of lunar soil based on the interaction between the "Jade Rabbit" No. 2 wheel and ground provided by Harbin Institute of Technology
Harbin, April 17 (Reporter Shi Yifu) Harbin Institute of Technology released the news on the 17th, by the university's State Key Laboratory of Robotics and Systems, Beijing Aerospace Flight Control Center, Chinese Academy of Sciences Institute of Aerospace Information Research State Key Laboratory of Remote Sensing Sciences, China Academy of Space Technology, Canada Ryerson University and other units of cooperation, in the academic journal "Science Robotics" (Science Robotics) published a "Jade Rabbit Ii" A2-year locomotive exploration and scientific investigation of the lunar farside by the Yutu-2 rover" cover paper.
Impact craters and rocks discovered by the "Jade Rabbit-2" observation Provided by Hitomiya
Based on information on the action of lunar rover wheels and lunar surface and ground mechanics models, the team members estimated the mechanical properties of the lunar soil, and the results showed that the pressure bearing characteristics of the lunar soil weathering layer were similar to those of dry sand and sand loam on Earth, and had stronger pressure bearing characteristics than the typical lunar soil in the Apollo program of the United States.
In the images of several different locations, large clumps of soil were observed to be adhered to the "Yutu-2" wheels, while the "Yutu" wheels were basically free of clay, indicating that the lunar soil near the Chang'e-4 landing area was more cohesive, which may be due to the inclusion of a higher proportion of agglutinites, making soil particles more likely to reunite by wheel crushing.
The research is based on China's lunar exploration mission, oriented to engineering science problems, and the relevant results can provide theoretical and technical support for future lunar exploration missions. The research has been funded by the National Natural Science Foundation of China and the National Key Research and Development Program of China.
Chang'e-4 rover 41 january day travel road map provided by Hitachi
At present, Chang'e-4 is on the night of the 41st month, the lunar rover has a moving range of 1142.39 meters, and the two instruments and one satellite are in good condition. (End)