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The problem of roust stabilization for linear time- varying uncertain periodic descriptor systems is revisited.Based on the concept of robust stability for linear time-varying uncer- tain periodic descriptor systems,a necessary and sufficient con- dition for robust stability is put forward.The robust stabiliza- tion problem is also studied and the corresponding necessary and sufficient condition is given using the notation of dual system. The obtained matrix inequality conditions can be transformed to linear matrix inequality ones with the introduction of some free matrices,which makes the analysis and design procedure simple and reliable.
The problem of roust stabilization for linear time-varying uncertain periodic descriptor systems is revisited. Based on the concept of robust stability for linear time-varying uncer- tain periodic descriptor systems, a necessary and sufficient con- dition for robust stability is put forward. The robust stabiliza- tion problem is also studied and the corresponding necessary and sufficient condition is given using the notation of dual system. The resulting matrix inequality conditions can be transformed to linear matrix inequality ones with the introduction of some free matrices, which makes the analysis and design procedure simple and reliable.