PD observer design for descriptor systems: An LMI approach

This paper investigates the problem of proportional-derivative (PD) observer design for descriptor systems. A necessary and sufficient condition for the solvability of this problem is obtained in terms of a linear matrix inequality (LMI). The explicit expression of desired PD observer is also given, which involves solving an LMI. An illustrative example is provided to demonstrate the effectiveness of the proposed approach.

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