Robust finite-time line-of-sight angular rate estimation in missile guidance

被引：4

作者：

He, Shaoming ^{[1
]}

Wang, Wei ^{[1
]}

Wang, Jiang ^{[1
]}

机构：

[1] Beijing Inst Technol, Sch Aerosp Engn, 5 Zhongguancun South Rd, Beijing 100081, Peoples R China

来源：

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART G-JOURNAL OF AEROSPACE ENGINEERING | 2017年 / 231卷 / 08期

基金：

中国国家自然科学基金;

关键词：

Line-of-sight angular rate estimation; geometric homogeneity; finite-time convergence; sliding mode gain; missile guidance; LAW IMPLEMENTATION; NONLINEAR-SYSTEMS; TRACKING FILTERS; VARYING SYSTEMS; STABILITY; OBSERVERS; SEEKER; STABILIZATION;

D O I：

10.1177/0954410016654178

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

This paper documents a robust finite-time line-of-sight angular rate estimation in missile guidance. Through geometric homogeneity and Lyapunov theories, it is shown that the observer estimation errors can converge into a bounded nonzero residual set in finite time and the upper bound can be lowered by parameter tunings. For estimation performance improvement, the sliding mode gains are also determined theoretically. With the help of these gains, it is proved that the observer estimation errors can converge to zero in finite time. Detailed simulation results with some comparisons are performed to validate the proposed formulation.

引用

页码：1550 / 1559

页数：10

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