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Journal of Projectiles, Rockets, Missiles and Guidance >

2025 , Vol. 45 >Issue 5: 769 - 776

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2025.05.021

Academic article

Design of High Precision Control Turntable for Fast Installation of Guided optical sighting system

  • ZHAO Donghua ,
  • PAN Zhuo
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  • Army Engineering University of PLA Ordnance NCO School, Wuhan 430070, China

Received date: 2025-02-06

  Online published: 2025-11-28

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Abstract

The control turntable is a high-precision servo mechanism and an important part of the laser guidance system.In order to adapt to complex and changeable environments,the turntable needs to meet the rapid installation and use,portability,fast response,high accuracy,and adaptability to the field environment.The overall design of the steering light guide system is completed in the rapid installation of high-precision control rotary table.Among them,the brushless torque motor is used as the driving component and the rotation transformer is used as the feedback component,and the direct drive scheme is adopted,which eliminates the angle error caused by tooth backlash and air return is designed.The supporting adapter plate and dovetail structure are selected,and the high-strength and excellent performance titanium alloy material is selected to meet the needs of rapid loading and unloading and lightweight.The functions of the servo turntable system are carried out The system circuit is divided into three major sections:power supply circuit,control circuit and drive circuit,and the system control is realized using three closed-loop vector control algorithms.Physical tests have shown that the system has fast response,small overshoot,and a steady-state error within ±0.005°.A high-precision theodolite is used to assist in testing the positioning accuracy and its repeatable adjustment performance.The turntable meets the requirement of an angular accuracy of no more than ±0.1mil,providing a reference for the design of similar control turntables.

Key words： guided optical sighting system; servo platform; field oriented control; direct drive type

Cite this article

ZHAO Donghua , PAN Zhuo . Design of High Precision Control Turntable for Fast Installation of Guided optical sighting system[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2025 , 45(5) : 769 -776 . DOI: 10.15892/j.cnki.djzdxb.2025.05.021

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