Spacecraft rendezvous trajectory safety quantitative performance index eliminating probability dilution
In view of the probability dilution problem of the existing quantitative indexes of rendezvous trajectory safety performance using collision probability,this paper proposes a new quantitative index of rendezvous trajectory safety performance by well combining collision probability with warning thres...
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| Veröffentlicht in: | Science China. Technological sciences 2014-06, Vol.57 (6), p.1219-1228 |
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| container_title | Science China. Technological sciences |
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| creator | Sun, ZhenJiang Luo, YaZhong Niu, ZhiYong |
| description | In view of the probability dilution problem of the existing quantitative indexes of rendezvous trajectory safety performance using collision probability,this paper proposes a new quantitative index of rendezvous trajectory safety performance by well combining collision probability with warning threshold.The proposed new index increases monotonously as the position errors of the chaser spacecraft increase,therefore it can effectively overcome the problems of the reduction in the largest performance value and the advancement in the most dangerous time induced by the probability dilution.The proposed new index is applied to the safety design of close range rendezvous missions.The mission’s safety requirements for initial navigation precision and the safe region of initial and final keeping points’positions with a certain navigation precision are analyzed,and several valuable conclusions about the relation between position navigation precision and velocity navigation precision as well as the relation between keeping points’positions and navigation precision are obtained. |
| doi_str_mv | 10.1007/s11431-014-5523-3 |
| format | Article |
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| ispartof | Science China. Technological sciences, 2014-06, Vol.57 (6), p.1219-1228 |
| issn | 1674-7321 1869-1900 |
| language | eng |
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| source | Alma/SFX Local Collection; SpringerLink Journals - AutoHoldings |
| subjects | Collision dynamics Dangerous Dilution Engineering Navigation Performance indices Rendezvous trajectories Safety Spacecraft 安全性能 安全设计 导航精度 碰撞概率 稀释 绩效指标 航天器交会 量化指标 |
| title | Spacecraft rendezvous trajectory safety quantitative performance index eliminating probability dilution |
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