Research Article
A Sum of Squares-Based Approach to Robust Nonlinear Mixed H2/H∞ Output-Feedback Control for a Class of Uncertain Polynomial Systems
Table 1
Notations used in this paper.
| | Notation | Definition |
| | The set of -dimensional real vectors | | () | The set of all real (positive-define) matrices | | The set of all real polynomial function of vector | | () | The set of all real polynomial (positive-define) matrices of vector | | The set of all SOS polynomials. | | and | The identity matrix and zero matrix with proper dimensions | | The symmetric entries in a symmetric matrix | | |
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