Control-oriented modelling and simulation of thrust misalignment and wind disturbances for hypersonic vehicles

被引：3

作者：

Du, Yanli ^{[1
]}

Lu, Yuping ^{[1
]}

Wu, Qingxian ^{[2
]}

Jiang, Changsheng ^{[2
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Coll Astronaut, Nanjing 210016, Jiangsu, Peoples R China

[2] Nanjing Univ Aeronaut & Astronaut, Coll Automat Engn, Nanjing 210016, Jiangsu, Peoples R China

来源：

INTERNATIONAL JOURNAL OF MODELLING IDENTIFICATION AND CONTROL | 2013年 / 19卷 / 01期

基金：

中国国家自然科学基金;

关键词：

near-space hypersonic vehicles; NHVs; thrust misalignment; variable wind field; control-oriented models;

D O I：

10.1504/IJMIC.2013.054035

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Near-space hypersonic vehicles (NHVs) are viewed as reliable, affordable and global reach vehicles. Their controller design is a challenging task due to strong uncertainties and disturbances in the flight dynamics of NHVs. In this paper, a new methodology is presented to build control-oriented models of two kinds of disturbances. For a winged-cone NHV, the paper models the moment disturbance induced by the thrust misalignment of the engine. Next, a new group of 12-state equations is obtained based on the kinetic and dynamic laws for the NHV with variable wind field, as the wind turbulence frequently occur in the upper near space. Then, the quantisation and simulation results about the models are provided to show the variation characteristics of the disturbances. Finally, the attitude control results are given to assess the adaptive control effect of the NHV with these two models. Therefore, in the presence of the thrust misalignment and wind disturbances, the control-oriented models presented can become the simulation tools which help us to evaluate adaptive control laws designed for NHVs.

引用

页码：32 / 42

页数：11

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