Characteristic model based control of the X-34 reusable launch vehicle in its climbing phase  

作　　者：MENG Bin WU HongXin LIN ZongLi LI Guo 

机构地区：[1]National Laboratory of Space Intelligent Control, Beijing Institute of Control Engineering, Beijing 100190, China [2]Charles L. Brown Department of Electrical and Computer Engineering, University of Virginia, Charlottesville, VA 22904-4743, USA

出　　处：《Science in China(Series F)》2009年第11期2216-2225,共10页中国科学（F辑英文版）

基　　金：Supported in part by the National Natural Science Foundation of China (Grant Nos. 90405017, 60736023, 60704014);in part by China Postdoctoral Funds (Grant No. 20060400415);in part by a Cheung Kong Professorship at Shanghai Jiao Tong University

摘　　要：In this paper, a characteristic model based longitudinal control design for the trans-aerosphere vehicle X-34 in its transonic and hypersonic climbing phase is proposed. The design is based on the dynamic characteristics of the vehicle and the curves it is to track in this climbing phase. Through a detailed analysis of the aerodynamics and vehicle dynamics during this climbing phase, an explicit description of the tracking curve for the flight path angle is derived. On the basis of this tracking curve, the tracking curves for the two short-period variables, the angle of attack and the pitch rate, are designed. An all-coefficient adaptive controller is then designed, based on the characteristic modeling, to cause these two short-period variables to follow their respective tracking curves. The proposed design does not require multiple working points, making the design procedure simple. Numerical simulation is performed to validate the performance of the controller. The simulation results indicate that the resulting control law ensures that the vehicle climbs up successfully under the restrictions on the pitch angle and overloading.

关 键 词：trans-aerosphere vehicle X-34 climbing phase characteristic modeling adaptive control ROBUSTNESS 

分 类 号：TP273.2[自动化与计算机技术—检测技术与自动化装置] V475[自动化与计算机技术—控制科学与工程]