Implementation of high-precision inertial reference for Taiji-1 satellite and its ground evaluation based on torsion pendulum system

doi:10.1142/s0217751x21400108

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	Implementation of high-precision inertial reference for Taiji-1 satellite and its ground evaluation based on torsion pendulum system
	H. D. Li; Z. Wang 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	As the key measurement load of Taiji-1 satellite, inertial sensor detects the acceleration disturbance of test mass (TM) under nonconservative force in line with the basic principle of capacitive sensing, while keeping the TM in equilibrium position through electrostatic drive. In order to ensure the smooth progress of the mission, it is necessary to test and evaluate the performance of inertial sensor on the ground. In this paper, a torsion pendulum system is designed to eliminate the influence of the Earth's gravity so as to meet the requirements of ground test. The experimental results show that the inertial sensor in closed-loop control mode can stably keep the TM at equilibrium position. At the same time, the ground detection of acceleration resolution of inertial sensor is greatly affected by ground vibration noise. If the inertial sensor operates normally in space, its acceleration resolution can reach 3.96 x 10(-9)m/s(2)/root Hz, thus meeting the requirement of Taiji-1.
DOI	10.1142/s0217751x21400108
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收录类别	SCI
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/65324
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	H. D. Li,Z. Wang and C. Taiji Sci. Implementation of high-precision inertial reference for Taiji-1 satellite and its ground evaluation based on torsion pendulum system[J]. International Journal of Modern Physics A,2021,36(11N12):13.
APA	H. D. Li,&Z. Wang and C. Taiji Sci.(2021).Implementation of high-precision inertial reference for Taiji-1 satellite and its ground evaluation based on torsion pendulum system.International Journal of Modern Physics A,36(11N12),13.
MLA	H. D. Li,et al."Implementation of high-precision inertial reference for Taiji-1 satellite and its ground evaluation based on torsion pendulum system".International Journal of Modern Physics A 36.11N12(2021):13.

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