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中南大学学报(英文版)

Journal of Central South University

Vol. 23    No. 4    April 2016

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Differential geometric guidance command with finite time convergence using extended state observer
MA Yi-wei(麻毅威)1, 2, ZHANG Wei-hua(张为华)1

1. College of Aerospace Science and Engineering, National University of Defense Technology,
Changsha 410073, China;
2. Unit 61541 of PLA, Beijing 100094, China

Abstract:For improving the performance of differential geometric guidance command (DGGC), a new formation of this guidance law is proposed, which can guarantee the finite time convergence (FTC) of the line of sight (LOS) rate to zero or its neighborhood against maneuvering targets in three-dimensional (3D) space. The extended state observer (ESO) is employed to estimate the target acceleration, which makes the new DGGC more applicable to practical interception scenarios. Finally, the effectiveness of this newly proposed guidance command is demonstrated by the numerical simulation results.

 

Key words: missile guidance; differential geometric guidance command (DGGC); finite time convergence (FTC); extended state observer (ESO); maneuvering targets

中南大学学报(自然科学版)
  ISSN 1672-7207
CN 43-1426/N
ZDXZAC
中南大学学报(英文版)
  ISSN 2095-2899
CN 43-1516/TB
JCSTFT
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