A Disturbance Observer-based Inhibition Method for Disturbance Rejection Rate of Seeker

XU Jiao;WANG Jiang;SONG Tao;HU Kuan-rong

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  • Sponsored by: China Association for Science and Technology (CAST)

    Editor-In-Chief: Xu Yida

    ISSN 1000-1093

    　

  • Hosted By: China Ordnance Society

    Published By: Acta Armamentarii

    CN 11-2176/TJ

Acta Armamentarii, a Chinese monthly journal, was first published in 1979. The journal is supervised by China Association for Science and Technology, sponsored by China Ordnance Society，and edited and published by Editorial Board of Acta Armamentarii. The Journal is included in all important domestic databases，and also collected by Engineering Index (EI, USA), Chemical Abstracts (CA, USA), Science Abstracts (SA, UK）, Abstract Journal (AJ, Russia), and Current Bibliography on Science and Technology(CBST).Acta Armamentarii has been selected into the journal Of Ordnance Science and Technology (Weapons Industry) Field Of High Quality Scientific and Technological Periodical Classification Catalogue (2022 edition), ranking T1, and the journal of Automotive Engineering Field of High Quality Scientific and technological Periodical classification Catalogue, ranking T2.
Acta Armamentarii ›› 2014, Vol. 35 ›› Issue (11) : 1790-1798. DOI: 10.3969/j.issn.1000-1093.2014.11.009
Paper

A Disturbance Observer-based Inhibition Method for Disturbance Rejection Rate of Seeker

  • XU Jiao1, WANG Jiang1, SONG Tao1， HU Kuan-rong2
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Abstract

The disturbance rejection rate (DRR) of seeker has the effect on the output accuracy of seeker and the guidance performance.An online inhibition method based on disturbance observer is proposed for the problems of the guidance precision of missile caused by DRR. The errors of seeker models, the output frequencyof detector and the effect of measurement noise on DRR inhibition are presented. The result shows that the spring torque and the damping torque are the main factors of the DRR generation, and the missile guidance precision would be reduced. The online inhibition method based on disturbance observer can inhibit DRR effectively; but the errors of seeker models, the output frequency of the detector and the measurement noise reduce the inhibition effects to some extent.

Key words

ordnance science and technology / disturbance rejection rate / disturbance torque / miss distance / disturbance observer / online inhibition

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XU Jiao, WANG Jiang, SONG Tao， HU Kuan-rong. A Disturbance Observer-based Inhibition Method for Disturbance Rejection Rate of Seeker. Acta Armamentarii. 2014, 35(11): 1790-1798 https://doi.org/10.3969/j.issn.1000-1093.2014.11.009

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