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Dynamics Research and Parameter Optimization of Planetary Penetrators
Wang MK(王莽宽)1,2; Liu JG(刘金国)1,2; Feng JK(冯靖凯)1,2,3; Ju ZJ(琚兆杰)1,2,4
Department空间自动化技术研究室
Source PublicationIEEE ACCESS
ISSN2169-3536
2019
Volume7Pages:82052-82065
Indexed BySCI ; EI
EI Accession number20192907188560
WOS IDWOS:000475317700001
Contribution Rank1
Funding OrganizationNational Key R&D Program of China ; Natural Science Foundation of China ; CAS Interdisciplinary Innovation Team
KeywordPenetrators dynamics optimization genetic algorithms stability analysis
AbstractImpact-type penetrators are devices that apply the impact generated by their internal components to penetrate the soil. The penetration effect of the impact-type penetrators is affected by the physical parameters (e.g., mass and stiffness) of their internal constituent elements. Therefore, optimal parameters must be obtained by using a dynamic impact penetrator model to maximize the dive distance of each impact. However, the dynamic impact penetrator models are nonlinear and difficult to describe. Thus, in this paper, this work proposes a segmentation method for modeling the penetrator motion to establish an accurate dynamic model that can be divided into four states. Buffer spring pre-compression, which is introduced as a new infiuencing parameter to improve the performance of the penetrator, and the genetic algorithm is used for the optimization in accordance with the characteristics of the required optimization parameter set. Parameter stability is then analyzed by considering the actual project application. Then, the control variable method is employed to explore the infiuence of changing the obtained parameters on the penetration effect. Finally, a processing prototype designed on the basis of the acquired parameters is used for the experimental verification. This work addresses the complexity of the dynamics model of penetration and the difficulty encountered in determining the parameter values.
Language英语
WOS SubjectComputer Science, Information Systems ; Engineering, Electrical & Electronic ; Telecommunications
WOS KeywordDRILL ; MODELS ; PROBE
WOS Research AreaComputer Science ; Engineering ; Telecommunications
Funding ProjectNational Key R&D Program of China[2018YFB1304600] ; Natural Science Foundation of China[51775541] ; CAS Interdisciplinary Innovation Team[JCTD-2018-11] ; National Key R&D Program of China[2018YFB1304600] ; Natural Science Foundation of China[51775541] ; CAS Interdisciplinary Innovation Team[JCTD-2018-11]
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Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/25329
Collection空间自动化技术研究室
Corresponding AuthorLiu JG(刘金国)
Affiliation1.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
2.Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110016, China
3.University of Chinese Academy of Sciences, Beijing 100049, China
4.Intelligent Systems and Biomedical Robotics, School of Creative Technologies, University of Portsmouth, Portsmouth PO1 3HE, United Kingdom
Recommended Citation
GB/T 7714
Wang MK,Liu JG,Feng JK,et al. Dynamics Research and Parameter Optimization of Planetary Penetrators[J]. IEEE ACCESS,2019,7:82052-82065.
APA Wang MK,Liu JG,Feng JK,&Ju ZJ.(2019).Dynamics Research and Parameter Optimization of Planetary Penetrators.IEEE ACCESS,7,82052-82065.
MLA Wang MK,et al."Dynamics Research and Parameter Optimization of Planetary Penetrators".IEEE ACCESS 7(2019):82052-82065.
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