Performance tests and simulations for Taiji-1 inertial sensor

doi:10.1142/s0217751x2140011x

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	Performance tests and simulations for Taiji-1 inertial sensor
	J. Min; J. G. Lei; Y. P. Li; D. X. Xi; W. Z. Tao; C. H. Li; X. Q. Zhang; Z. L. Wang; D. Fan; Z. R. Luo; J. B. Wang; Z. Wang; K. Q. Qi and C. Taiji Sci
	2021
发表期刊	International Journal of Modern Physics A
ISSN	0217-751X
卷号	36 期号:11N12 页码:13
摘要	Taiji-1 satellite was successfully launched on 31 August 2019, and it has been operating normally in orbit until now. A series of in-orbit experiments were carried out with the inertial sensor, which included the micro-thrust test, drag-free control test and laser interferometer test. Comprehensive performance simulations and tests of the inertial sensor were also carried out prior to the launch of Taiji-1, including the calibration and drop-tower tests. These tests were one of the preconditions for the success of these experiments. The calibration experiments were conducted in a cave-lab using the gravity-inclination method and the scale factors of the inertial sensor along Y- and Z-axis were measured. In addition, 20 drop-tower tests were carried out in the National Microgravity Laboratory of China (NMLC) drop tower and the control stability of all the axes was tested and optimized. A simulation model was used before each test, and the results showed that an accurate simulation prior to each experiment had an important role in ensuring the efficiency and accuracy of the experiment. The circuit-gain switch was realized for the first time during the drop-tower tests. The test results indicated that the microgravity level of the NMLC drop tower could reach about 13 mu g(0) along the horizontal axes, offering an important reference for researchers planning to conduct microgravity experiments in the NMLC drop tower.
DOI	10.1142/s0217751x2140011x
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收录类别	SCI
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/65526
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	J. Min,J. G. Lei,Y. P. Li,et al. Performance tests and simulations for Taiji-1 inertial sensor[J]. International Journal of Modern Physics A,2021,36(11N12):13.
APA	J. Min.,J. G. Lei.,Y. P. Li.,D. X. Xi.,W. Z. Tao.,...&K. Q. Qi and C. Taiji Sci.(2021).Performance tests and simulations for Taiji-1 inertial sensor.International Journal of Modern Physics A,36(11N12),13.
MLA	J. Min,et al."Performance tests and simulations for Taiji-1 inertial sensor".International Journal of Modern Physics A 36.11N12(2021):13.

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