Global robust output regulation of lower triangular systems with unknown control direction

Automatica ◽  
2008 ◽  
Vol 44 (5) ◽  
pp. 1278-1284 ◽  
Author(s):  
Lu Liu ◽  
Jie Huang
Keyword(s):  
Output Regulation ◽  
Triangular Systems ◽  
Robust Output Regulation ◽  
Lower Triangular ◽  
Unknown Control ◽  
Unknown Control Direction ◽  
Control Direction

Output Regulation Design for a Class of Nonlinear Systems With an Unknown Control Direction

2009 ◽  
Vol 132 (1) ◽  
Author(s):  
Dabo Xu ◽  
Jie Huang
Keyword(s):  
Nonlinear Systems ◽  
Lorenz System ◽  
Output Regulation ◽  
Feedback Systems ◽  
Asymptotic Tracking ◽  
Robust Output Regulation ◽  
Unknown Control ◽  
Unknown Control Direction ◽  
Control Direction ◽  
Output Regulation Problem

This paper presents the solution of the global robust output regulation problem for a class of nonlinear systems without knowing the control direction. The class of the systems is larger than previously studied strict output feedback systems of relative degree equal to one. The result is also applied to an asymptotic tracking problem associated with the well-known Lorenz system.

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