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en:research_robust [2014/10/01 15:34] Juri Belikov |
en:research_robust [2014/10/02 18:55] Juri Belikov |
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| - | <div classes #headings>Robust control</div> | + | <div classes #research_head_main>Robust control</div> |
| A new approach to the robust stability analysis and to the robust controller design is proposed via reflection coefficients of characteristic polynomials of discrete-time systems. The reason of using reflection coefficients instead of roots of the characteristic polynomial is that the mapping between reflection coefficients and polynomial coefficients is very simple, multilinear. So we can easily find Schur stable line segments in the polynomial coefficient space by varying a single reflection coefficient. The more serious tasks are: how to find the stability domain in the system parameter space and how to design a stabilizing fixed-order controller for an unstable plant? | A new approach to the robust stability analysis and to the robust controller design is proposed via reflection coefficients of characteristic polynomials of discrete-time systems. The reason of using reflection coefficients instead of roots of the characteristic polynomial is that the mapping between reflection coefficients and polynomial coefficients is very simple, multilinear. So we can easily find Schur stable line segments in the polynomial coefficient space by varying a single reflection coefficient. The more serious tasks are: how to find the stability domain in the system parameter space and how to design a stabilizing fixed-order controller for an unstable plant? | ||
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| - | <div classes #headings>Members of the working group:</div> | + | <div classes #research_head>Members of the working group:</div> |
| ^ Name ^ Position ^ Degree ^ | ^ Name ^ Position ^ Degree ^ | ||
| - | | [[en:people#nurges | Ülo Nurges]] | senior researcher | PhD | | + | | [[people#nurges | Ülo Nurges]] | senior researcher | PhD | |