NDLI: Dynamic modeling and analysis of rotating mechanism in planetary soil drilling sampler

Content Provider	IEEE Xplore Digital Library
Author	Zongquan Deng Shuai Yang Jing Sun Shengyuan Jiang Qiquan Quan Junyue Tang
Copyright Year	2014
Description	Author affiliation: Beijing Spacecrafts, China Acad. of Space Technol., Beijing, China (Jing Sun) \|\| State Key Lab. of Robot. & Syst., Harbin Inst. of Technol., Harbin, China (Zongquan Deng; Shuai Yang; Shengyuan Jiang; Qiquan Quan; Junyue Tang)
Abstract	It is presented in this paper that a novel planetary soil drilling sampler which can be used on the surface of the Luna, the Mars and some other planets to drill deeply in the soil. The rotary and axial movement of driller in the sampler is generated by the rotating mechanism and feeding mechanism respectively. For the sake of achieving adequate driving ability and security of rotating mechanism, a detailed dynamic model is established by using the lumped parameter method in comprehensive consideration of flexible and nonlinear factors to acquire the motor moment and moments in the mechanism when the sampler is on duty. Because of the uncertainty of load moment on the driller, five typical load functions are constructed in this work to simulate the actual load and to solve the dynamic model. These functions contain constant value function, Gaussian stochastic function, step function, impulse function and time-increasing function. The analysis shows that impact can be aroused in the motor and transmissions of rotating mechanism on the moment of setup or load mutation, while the stochastic variation of load moment can make motor moment and moments in the mechanism fluctuate more seriously. The analysis results could provide theoretical basis for the design of driving ability and security of rotating mechanism in drilling sampler.
Starting Page	663
Ending Page	668
File Size	914206
Page Count	6
File Format	PDF
ISBN	9781479939787
e-ISBN	9781479939794
DOI	10.1109/ICMA.2014.6885776
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-08-03
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Gears Mathematical model Soil Couplings Shafts Load modeling Silicon impact planetary soil drilling sampler rotating mechanism dynamic model load moment
Content Type	Text
Resource Type	Article

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