Analysis of Inherent Characteristics, Load Sharing Characteristics, and Transportation Mechanical Response of a Transmission System in a Lunar Sampler and Its Experimental Verification | Zendy

Hong Xiao | Zendy; Dewei Tang | Zendy; Zongquan Deng | Zendy; Chuanyang Li | Zendy; Shengyuan Jiang | Zendy

Open Access

Analysis of Inherent Characteristics, Load Sharing Characteristics, and Transportation Mechanical Response of a Transmission System in a Lunar Sampler and Its Experimental Verification

Author(s) -

Hong Xiao,

Dewei Tang,

Zongquan Deng,

Chuanyang Li,

Shengyuan Jiang

Publication year - 2018

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2018.2875090

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

A rotary driving component is the power output unit of a lunar sampler. A planetary gear system is used as the transmission system. The lunar sampler is subjected to an extremely rigorous mechanical environment during transportation. In this paper, the time-varying meshing stiffness curves of planetary gears are calculated by the Shi Chuan method. A translational torsional dynamic model of a two-stage planetary gear system is established. Based on the Runge–Kutta method, a solution program is used to obtain the inherent characteristics of the transmission, and corresponding verification tests are performed. With respect to the transportation process (i.e., the stage between launch and landing), the dynamic response of the transmission is examined. With respect to adverse geological conditions, the load sharing characteristics of the transmission are calculated. The aforementioned investigations provide a theoretical basis for parameter setting and structural design of a lunar exploration project.

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