固体火箭技术2012，Vol.35Issue(5)：688-693,6.
推力矢量控制电动伺服机构的双模控制研究
Research on dual mode control for electric servo mechanism of thrust vector control
摘要
Abstract
According to the reliability and redundancy problem of thrust vector control ( TVC) electric servo mechanism con-trolle,a dual mode control method of brushless DC motor ( BLDCM) either with position sensor or without position sensor was presented. The principle of dual mode controller and the rotor position detection technology under sensorless mode were mainly analyzed, and the position information of motor rotor was captured through adopting the motors Back-EMF crossing zero method,then a Back-EMF zero-cross detection circuit for BLDCM sensorless control was designed,which includes voltage division circuit,band-pass filter and comparing unit. Finally the electric servo mechanism platform with dual mode controller was tested and analyzed. Results indicate that the electric servo mechanism could work in each mode condition independently, and switch automatically and smoothly to sensorless mode. Thus it could overcome the deficiency of single controller working mode, also save the space and cost of redundancy design.关键词
电动伺服机构/推力矢量控制/无刷直流电机/双模控制器/滤波器Key words
electric servo mechanism/thrust vector control/brushless DC motor/dual mode controller/filter分类
航空航天引用本文复制引用
崔业兵,鞠玉涛,郑健,顾卫钢..推力矢量控制电动伺服机构的双模控制研究[J].固体火箭技术,2012,35(5):688-693,6.基金项目
南京理工大学自主科研专项计划项目(ZDJH02). （ZDJH02）
