南京航空航天大学学报2011，Vol.43Issue(3)：387-392,6.
旋翼飞行器飞行动力学系统辨识建模算法
System Identification Modeling of Rotorcraft Flight Mechanics
摘要
Abstract
Based on common characteristics of rotorcraft flight mechanics modeling, theories and algorithm of model identification are studied. Firstly, by using mechanism modeling method and considering blades flapping, the parameter identification model group is established. Secondly, in order to solve multi input and output system identification problems, a two step identification method is proposed. It identifies the initial model by subspace identification method and then the optimized model by frequency prediction error method. Finally, with this two-step identification method, the simulation and flight tests are conducted to identify the example helicopter flight mechanics model in the hover state. The result shows that the method is effective and accurate.关键词
飞行动力学/系统辨识/旋翼飞行器/子空间法/预报误差法Key words
flight dynamics/ system identification/ rotoreraft/ subspace method/ prediction error method分类
航空航天引用本文复制引用
宋彦国,孙涛..旋翼飞行器飞行动力学系统辨识建模算法[J].南京航空航天大学学报,2011,43(3):387-392,6.基金项目
国家自然科学基金(60705034)资助项目. （60705034）
