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Journal of Projectiles, Rockets, Missiles and Guidance >

2020 , Vol. 40 >Issue 5: 94 - 97

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2020.05.023

Study on the Frame Inertia Coupling of Three-axis Tracking Platform

  • YANG Hui 1, 2 ,
  • WANG Ming 1 ,
  • XIAO Xi 2 ,
  • LIU Yanhang 1
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  • 1 Xi’an Electronic Engineering Research Institute, Xi’an 721200, China
  • 2 Department of Electrical Engineering, Tsinghua University, Beijing 100084, China

Received date: 2019-10-15

  Online published: 2025-05-30

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Abstract

In order to improve the target acquisition ability of guided weapon,based on the theory of rigid body mechanics and coordinate transformation matrix, the frame inertial coupling relationship of three-axis tracking platform is modeled and analyzed in this paper. Finally, the coupling simulation experiment of the inertia moment for three-axis seeker tracking platform is carried out, and the results show that the influence of the inner pitch frame angle γ on the coupled inertia moment of the central azimuth frame does not exceed 7×10-5 kg·m2. Both the inner pitch frame angle γ and the middle azimuth frame angle β affect the coupling inertia moment of the outer rolling frame axis, but the impact will not exceed 1×10-4 kg·m2. The research results of this paper provide the method basis of the structural optimization and control system design of the three-axis tracking platform.

Key words： seeker tracking platform; LOS stabilization; coordinate transformation matrix; rotational inertia coupling

Cite this article

YANG Hui , WANG Ming , XIAO Xi , LIU Yanhang . Study on the Frame Inertia Coupling of Three-axis Tracking Platform[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2020 , 40(5) : 94 -97 . DOI: 10.15892/j.cnki.djzdxb.2020.05.023

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