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http://dx.doi.org/10.5139/JKSAS.2017.45.4.328

A Study on the Dynamic Characteristics Improvement of Direct Drive Electro-mechanical Actuation System using Dynamic Force Feedback Control  

Lee, Hee-Joong (Korea Aerospace Research Institute)
Kang, E-Sok (School of Mechanical Engineering, Chungnam National University)
Song, Ohseop (School of Mechanical Engineering, Chungnam National University)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.45, no.4, 2017 , pp. 328-341 More about this Journal
Abstract
In the control actuator system of a launch vehicle based on thrust vectoring, the interaction between electro-mechanical position servo and inertial load are combined with the dynamic characteristics of the flexible vehicle support to generate synthetic resonance. This occurred resonance is fed back to the attitude control system and can influence stability of launch vehicle. In this study, we proposed a simulation model to analyze synthetic resonance of electro-mechanical actuation system for thrust vector control and explained the results of simulation and test using dynamic force feedback control which improves dynamic characteristics of servo actuation system by reducing synthetic resonance.
Keywords
Thrust Vector Control; Electro-mechanical Actuator; Dynamic Force Feedback; Brushless DC Motor; Direct Drive;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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