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Mathematical Problems in Engineering
Volume 2017 (2017), Article ID 2179503, 12 pages
Research Article

A Uniform Method of Mechanical Disturbance Torque Measurement and Reduction for the Seeker Gimbal in the Assembly Process

College of Mechatronics and Automation, National University of Defense Technology, Changsha, China

Correspondence should be addressed to Jianzhong Shang

Received 6 August 2017; Revised 29 September 2017; Accepted 9 November 2017; Published 4 December 2017

Academic Editor: Xuejun Xie

Copyright © 2017 Naihui Yu and Jianzhong Shang. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


In the manufacturing process of seekers, the reduction of disturbance torques (DTs) is a critical but time-consuming work. The innovation of the paper is to present a uniform method to measure and reduce mechanical DTs during gimbal’s assembly process. Firstly, the relationships between assembly parameters and DTs are established and analyzed by theoretical model. And then, a measuring system is established to measure the driven torque of the gimbal’s torque motor. With the goal of stabilizing and minimizing the driven torque, all assembly parameters relating to DTs could be adjusted. Through the proof of a lot of experiments, this proposed method could reduce the bias and fluctuation of these mechanical DTs. This method could also be used for the mechanical DTs reduction of most similar productions and improve the quality and efficiency during their system assembly process.