Decentralized adaptive output-feedback controller design for stochastic nonlinear interconnected systems

Automatica ◽  
2012 ◽  
Vol 48 (11) ◽  
pp. 2866-2873 ◽  
Author(s):  
Huijin Fan ◽  
Lixia Han ◽  
Changyun Wen ◽  
Li Xu
Keyword(s):  
Output Feedback ◽  
Controller Design ◽  
Feedback Controller ◽  
Interconnected Systems ◽  
Output Feedback Controller

Robust H2 Output Feedback Controller Design for Damping Power System Oscillations

2017 ◽  
Vol 6 (10) ◽  
pp. 8
Author(s):  
Kho Hie Kwee ◽  
Hardiansyah .
Keyword(s):  
Power System ◽  
Output Feedback ◽  
Controller Design ◽  
Sufficient Conditions ◽  
Feedback Controller ◽  
Linear Matrix ◽  
Parameter Uncertainties ◽  
Worst Case ◽  
Output Feedback Controller ◽  
Power System Oscillations

This paper addresses the design problem of robust H2 output feedback controller design for damping power system oscillations. Sufficient conditions for the existence of output feedback controllers with norm-bounded parameter uncertainties are given in terms of linear matrix inequalities (LMIs). Furthermore, a convex optimization problem with LMI constraints is formulated to design the output feedback controller which minimizes an upper bound on the worst-case H2 norm for a range of admissible plant perturbations. The technique is illustrated with applications to the design of stabilizer for a single-machine infinite-bus (SMIB) power system. The LMI based control ensures adequate damping for widely varying system operating.

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