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Reliability Evaluation of Key Hydraulic Components for Actuators of FAST Based on Small Sample Test
Zhu, Ming1,2; Zhao, Jingyi3,4; Wang, Qiming1,2
2017-11-01
发表期刊INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING
卷号18期号:11页码:1561-1566
摘要The five-hundred meter aperture spherical radio telescope (FAST) is China's major science and technology infrastructure project. Upon completion, this telescope will be considered the largest single-dish radio telescope in the world. As main active mechanism of FAST, 2225 hydraulic actuators are used for adjusting the reflectors. The reliability of hydraulic actuators is the most critical matter. This paper applies the reliability theory and reliability test method into large project for the first time. Firstly, a parallel energy-saving method and equipment to test the two components of the actuators for FAST are designed. Secondly, reliability model based on small sample test is used to perform the best linear unbiased estimation of the test data. Average impact lifetime of the sampled gear pump and the sampled relief valve in their working condition are calculated. Finally, the results show that the lifetime request of the sampled gear pump and the sampled relief valve for hydraulic actuator of FAST are satisfied. The research method has guiding significance to the reliability study of key hydraulic components for similar hydraulic systems.
文章类型Article
关键词Actuator Key Hydraulic Components Reliability Small Sample Test
WOS标题词Science & Technology ; Technology
资助者National Natural Science Foundation of China(11673040 ; National Natural Science Foundation of China(11673040 ; 51405424 ; 51405424 ; 11603045) ; 11603045) ; National Natural Science Foundation of China(11673040 ; National Natural Science Foundation of China(11673040 ; 51405424 ; 51405424 ; 11603045) ; 11603045)
DOI10.1007/s12541-017-0185-2
关键词[WOS]DESIGN ; MODEL ; LIFE
收录类别SCI
语种英语
资助者National Natural Science Foundation of China(11673040 ; National Natural Science Foundation of China(11673040 ; 51405424 ; 51405424 ; 11603045) ; 11603045) ; National Natural Science Foundation of China(11673040 ; National Natural Science Foundation of China(11673040 ; 51405424 ; 51405424 ; 11603045) ; 11603045)
WOS研究方向Engineering
WOS类目Engineering, Manufacturing ; Engineering, Mechanical
WOS记录号WOS:000415194400010
引用统计
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/20210
专题射电天文研究部
作者单位1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.Chinese Acad Sci, Key Lab Radio Astron, Beijing 100012, Peoples R China
3.Key Lab Heavy Machinery Hydrokinet Transfer & Con, Qinhuangdao 066004, Hebei, Peoples R China
4.Yanshan Univ, Key Labs Adv Forging & Stamping Technol & Sci, Qinhuangdao 066004, Hebei, Peoples R China
推荐引用方式
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Zhu, Ming,Zhao, Jingyi,Wang, Qiming. Reliability Evaluation of Key Hydraulic Components for Actuators of FAST Based on Small Sample Test[J]. INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING,2017,18(11):1561-1566.
APA Zhu, Ming,Zhao, Jingyi,&Wang, Qiming.(2017).Reliability Evaluation of Key Hydraulic Components for Actuators of FAST Based on Small Sample Test.INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING,18(11),1561-1566.
MLA Zhu, Ming,et al."Reliability Evaluation of Key Hydraulic Components for Actuators of FAST Based on Small Sample Test".INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING 18.11(2017):1561-1566.
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