Hybrid state estimation and model-set design of invariable-structure semi-ballistic reentry vehicle  

作　　者：LIANG YongQi HAN ChongZhao 

机构地区：[1]MOE KLINNS Lab, SKLMSE Lab, Institute of Integrated Automation, School of Electronics and Information Engineering, Xi'an Jiaotong University, Xi'an 710049, China [2]School of Aerospace, Xi'an Jiaotong University, Xi'an 710049, China

出　　处：《Science China(Information Sciences)》2011年第4期812-823,共12页中国科学（信息科学）（英文版）

基　　金：supported by the National Basic Research Program of China (Grant No. 2007CB311006);Foundation for Innovative Research Groups of the National Natural Science Foundation of China (Grant No. 60921003);the National Natural Science Foundation of China (Grant Nos. 60602026 and 60574033)

摘　　要：Multiple-model approach is one of the main streams for hybrid estimation. The difficulty of this approach to estimate the hybrid state of the semi-ballistic reentry vehicle （SBRV） is model-set design. This paper proposes a quasi-Monte Carlo model set that can ensure the estimator near-optimal in the sense of minimum mean square error （MMSE）. The SBRV has a high nonlinearity and its mode is spanned by multiple parameters with known bounds. The design methods and characteristics of the quasi-Monte Carlo model set are given. The proposed model set has a higher accuracy than the model-set generated by the Monte Carlo method. The theoretical analysis and simulation results show the effectiveness and reasonability of the newly designed model set.Multiple-model approach is one of the main streams for hybrid estimation. The difficulty of this approach to estimate the hybrid state of the semi-ballistic reentry vehicle （SBRV） is model-set design. This paper proposes a quasi-Monte Carlo model set that can ensure the estimator near-optimal in the sense of minimum mean square error （MMSE）. The SBRV has a high nonlinearity and its mode is spanned by multiple parameters with known bounds. The design methods and characteristics of the quasi-Monte Carlo model set are given. The proposed model set has a higher accuracy than the model-set generated by the Monte Carlo method. The theoretical analysis and simulation results show the effectiveness and reasonability of the newly designed model set.

关 键 词：semi-ballistic reentry vehicle hybrid estimation model-set design Monte Carlo method quasi-Monte Carlo method 

分 类 号：TP13[自动化与计算机技术—控制理论与控制工程] V411.4[自动化与计算机技术—控制科学与工程]