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CLC number: TH122

On-line Access: 2018-07-02

Received: 2017-06-24

Revision Accepted: 2017-08-29

Crosschecked: 2018-05-04

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Citations:  Bibtex RefMan EndNote GB/T7714


Lai Teng


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Frontiers of Information Technology & Electronic Engineering  2018 Vol.19 No.5 P.685-698


A composite optimization method for separation parameters of large-eccentricity pico-satellites

Author(s):  Lai Teng, Zhong-he Jin

Affiliation(s):  School of Aeronautics and Astronautics, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   tenglai@zju.edu.cn

Key Words:  Pico-satellite, Satellite–rocket separation mechanism, Separation parameters, Parameter optimization

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Lai Teng, Zhong-he Jin. A composite optimization method for separation parameters of large-eccentricity pico-satellites[J]. Frontiers of Information Technology & Electronic Engineering, 2018, 19(5): 685-698.

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T1 - A composite optimization method for separation parameters of large-eccentricity pico-satellites
A1 - Lai Teng
A1 - Zhong-he Jin
J0 - Frontiers of Information Technology & Electronic Engineering
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/FITEE.1700416

A spacecraft’s separation parameters directly affect its flying trace. If the parameters exceed their limits, it will be difficult to adjust the flying attitude of the spacecraft, and the spacescraft may go off-track or crash. In this paper, we present a composite optimization method, which combines angular velocities with external moments for separation parameters of large-eccentricity pico-satellites. By changing the positions of elastic launch devices, the method effectively controls the popping process under the condition of less change in the separation mechanism. Finally, the reasons for deviation of angular velocities and unreliable optimization results are presented and analyzed. This optimization method is proved through a ground test which offsets the gravity. Simulation and test results show that the optimization method can effectively optimize the separation parameters of large-eccentricity pico-satellites. The proposed method adapts particularly to the fixed and non-stable status elastic parameters, the distribution of all kinds of elastic devices, and large-eccentricity spacecrafts for which attitude corrections are difficult. It is generally applicable and easy to operate in practical applications.




Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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