On characteristic modeling of a class of flight vehicles'attitude dynamics

查看全文 作　　者：MENG Bin &WU HongXin National Laboratory of Space Intelligent Control,Beijing Institute of Control Engineering,Beijing 100190,China

出　　处：《Science China(Technological Sciences)》索引2010年第53卷第8期,共7页

基　　金：supported by the National Natural Science Foundation of China(Grant Nos.60736023,60704014) 摘　　要：The characteristic modeling problem of flight vehicles'attitude dynamics is considered in this paper.In terms of the affine nonlinear system with triangle form of flight vehicles'attitude dynamics,a general method is presented to compress the dynamics into the characteristic model parameters,by introducing the time scale of nonlinear systems and a class of system states related compress functions.The parameter region and limit of the characteristic model are also given.From the given parameter region it is seen that the bound of the characteristic model parameters is dependent on the sampling period,the modeling error,the system order and the system change rate.The modeling error of the established characteristic model can be arbitrarily small according to the control precision,showing the difference between the characteristic model and other model reduction methods,that is,no system information is lost using this approach.On the basis of this modeling approach,the characteristic model of the flexible satellite attitude is established,as well as the bound and limit of the parameters,which sets a theoretical foundation for characteristic model based control design of flight vehicles. 关键词：CHARACTERISTIC MODELING MODELING ERROR time SCALE of nonlinear systems SPACECRAFT ATTITUDE dynamics

相关文献

参考文献（13）
引证文献（12）
耦合文献（34）

参考文献(13)

引证文献(12)

耦合文献(34)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

On characteristic modeling of a class of flight vehicles'attitude dynamics

参考文献(13)

引证文献(12)

耦合文献(34)

用户提示