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所属单位：航天学院

发表刊物：ACTA ASTRONAUTICA

关键字：Optical cue Collision analysis Probability density function Gaussian uncertainty

摘要：This paper presents a novel on-board space collision analysis method for space situational awareness. The framework is developed under the following assumptions: 1) A satellite can be equipped with on-board sensors for space object recognition. 2) No alpha-priori knowledge of the space objects is provided. A space object size and relative state estimation method is firstly proposed, wherein optical cues acquired from onboard sensors are utilized to achieve the estimation. Then, the unscented transform approach is employed to calculate the probability density function (PDF) of collision probability based on the estimate information. Monte Carlo simulations and an experimental test demonstrate that the proposed approach can achieve high-precision on-board collision probability estimation with an error less than 3%.

ISSN号：0094-5765

是否译文：否

发表时间：2019-02-01

合写作者：李爽,Leng, Shu

通讯作者：余萌