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Active robust control scheme for uncertainty and flexibility suppression of air-breathing hypersonic vehicles
Pu, Zhiqiang; Yuan, Ruyi; Tan, Xiangmin; Yi, Jianqiang; Zhiqiang Pu
2014
会议名称The 33rd Chinese Control Conference
会议录名称Proceedings of the 33rd Chinese Control Conference, CCC 2014, p 2265-2270
会议日期September 11, 2014
会议地点Nanjing, China
摘要Inevitable uncertainties and cross couplings between rigid and flexible modes pose huge challenges to control design for flexible air-breathing hypersonic vehicles. This paper addresses an active robust control scheme that can simultaneously suppress uncertainties and flexible modes using active approaches rather than inherent system robustness. Couplings between different rigid and flexible modes are analyzed, providing insights into internal coupling behaviors. Generally, the active robust control scheme consists of two components: a nonlinear extended state observer (ESO) and a notch filter. The ESO is designed to estimate and compensate diverse uncertainties. For specific high-frequency uncertainties, the ESO estimated values could excite the flexible modes and then cause instabilities. So the notch filter is designed to actively suppress the specific high-frequency estimated signals induced by ESO. Both nonlinear and linear approaches are discussed for the notch filter design. At last, several representative simulations are conducted to demonstrate the advantages of the proposed active robust control scheme.
关键词Active Control Uncertainty Flexibility Suppression Hypersonic Vehicle Extended State Observer Notch Filter
收录类别EI
文献类型会议论文
条目标识符http://ir.ia.ac.cn/handle/173211/10807
专题综合信息系统研究中心
通讯作者Zhiqiang Pu
作者单位Institute of Automation,Chinese Academy of Sciences
推荐引用方式
GB/T 7714
Pu, Zhiqiang,Yuan, Ruyi,Tan, Xiangmin,et al. Active robust control scheme for uncertainty and flexibility suppression of air-breathing hypersonic vehicles[C],2014.
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