| Uncertainty analysis and robust trajectory linearization control of a flexible air-breathing hypersonic vehicle | |
Pu, Zhiqiang ; Tan, Xiangmin; Fan, Guoliang; Yi, Jianqiang; Xiangmin Tan
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| 发表期刊 | ACTA ASTRONAUTICA
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| 2014-08-01 | |
| 卷号 | 101期号:2014页码:16-32 |
| 文章类型 | Article |
| 摘要 | Flexible air-breathing hypersonic vehicles feature significant uncertainties which pose huge challenges to robust controller designs. In this paper, four major categories of uncertainties are analyzed, that is, uncertainties associated with flexible effects, aerodynamic parameter variations, external environmental disturbances, and control-oriented modeling errors. A uniform nonlinear uncertainty model is explored for the first three uncertainties which lumps all uncertainties together and consequently is beneficial for controller synthesis. The fourth uncertainty is additionally considered in stability analysis. Based on these analyses, the starting point of the control design is to decompose the vehicle dynamics into five functional subsystems. Then a robust trajectory linearization control (TLC) scheme consisting of five robust subsystem controllers is proposed. In each subsystem controller, TLC is combined with the extended state observer (ESO) technique for uncertainty compensation. The stability of the overall closed-loop system with the four aforementioned uncertainties and additional singular perturbations is analyzed. Particularly, the stability of nonlinear ESO is also discussed from a Lienard system perspective. At last, simulations demonstrate the great control performance and the uncertainty rejection ability of the robust scheme. |
| 关键词 | Uncertainty Flexible Hypersonic Vehicle Trajectory Linearization Control Extended State Observer |
| WOS标题词 | Science & Technology ; Technology |
| 关键词[WOS] | Uncertainty ; Flexible ; Hypersonic vehicle ; Trajectory linearization control ; Extended state observer |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS研究方向 | Engineering |
| WOS类目 | Engineering, Aerospace |
| WOS记录号 | WOS:000337998600002 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.ia.ac.cn/handle/173211/4148 |
| 专题 | 综合信息系统研究中心 |
| 通讯作者 | Xiangmin Tan |
| 作者单位 | Chinese Acad Sci, Inst Automat, Beijing 100190, Peoples R China |
| 第一作者单位 | 中国科学院自动化研究所 |
| 推荐引用方式 GB/T 7714 | Pu, Zhiqiang,Tan, Xiangmin,Fan, Guoliang,et al. Uncertainty analysis and robust trajectory linearization control of a flexible air-breathing hypersonic vehicle[J]. ACTA ASTRONAUTICA,2014,101(2014):16-32. |
| APA | Pu, Zhiqiang,Tan, Xiangmin,Fan, Guoliang,Yi, Jianqiang,&Xiangmin Tan.(2014).Uncertainty analysis and robust trajectory linearization control of a flexible air-breathing hypersonic vehicle.ACTA ASTRONAUTICA,101(2014),16-32. |
| MLA | Pu, Zhiqiang,et al."Uncertainty analysis and robust trajectory linearization control of a flexible air-breathing hypersonic vehicle".ACTA ASTRONAUTICA 101.2014(2014):16-32. |
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