Study and construction of landing test site for Mars rover

被引：0

作者：

Jiang M. ^{[1
,2
,3
]}

Shi A. ^{[1
]}

Xi B. ^{[4
]}

Huang W. ^{[5
]}

Lü L. ^{[4
]}

机构：

[1] Department of Civil Engineering, Tianjin University, Tianjin

[2] School of Civil Engineering, Suzhou University of Science and Technology, Suzhou

[3] Department of Geotechnical Engineering, Tongji University, Shanghai

[4] College of Civil Engineering, Hefei University of Technology, Hefei

[5] Beijing Institute of Space Mechanics & Electronics, Beijing

来源：

Yantu Gongcheng Xuebao/Chinese Journal of Geotechnical Engineering | 2023年 / 45卷 / 04期

关键词：

Mars; Martian geomorphology; physical and mechanical behavior; study and construction of landing test site; TJ-M1 Martian regolith simulant;

D O I：

10.11779/CJGE20211526

中图分类号：

学科分类号：

摘要：

Mars is far away from the Earth, the communication delay is about 20 minutes, and the surface terrain is complex, which is covered with rock, slope, and other obstacles. The Mars rover needs to land on Mars automatically, accompanied by many uncontrollable factors. To guarantee the Martian rover landing safely, a method with multidisciplinary intersection including materials science, geomorphology and geomechanics is employed to simulate the main characteristics of the Martian surface. On this basis, to ensure the test site constructed and used economically, environmentally friendly and re-arranged in different cases quickly, a method with a combination of mobile and fixed regions is used to study and then construct the landing test site in different functional regions. Thereafter, the laser and microwave characteristics and the bearing capacity are measured in geomorphology and landing areas respectively. The test results show that the layout of the test site is reasonable, and the detachable equipments in each area are easy to handle so as to set the various test conditions effectively. They have good agreement with the target values in the laser and microwave tests on geomorphology area and those in the bearing capacity tests in the landing area. This test site has been used for “Tianwen-1” program with the aim of obstacle avoidance and landing safely, which has paved a way for Tianwe-1 probe to successfully land on the pre-selected landing zone in the Utopian Plain of Mars. © 2023 Chinese Society of Civil Engineering. All rights reserved.

引用

页码：826 / 832

页数：6

共 27 条

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