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Discrete-time nonlinear output feedback control for a class of nonlinear systems using finite difference approaches

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1 Author(s)
Wei Wu ; Chem. & Mater. Eng. Dept., Nat. Yunlin Univ. of Sci. & Technol., Yunlin

In this article, the observation and control of a general class of nonlinear systems within the full linearization framework is constructed. Under step-by-step linearization procedures, the nonlinear control is determined by solving the implicit, nonlinear ordinary-differential-equation (ODE) while the observability matrix has full rank. Using the finite difference approach, the discrete-time output feedback control architecture is developed. Closed-loop simulations show that an unstable chemical reactor in the presence of input delay and unknown disturbances is successfully demonstrated.

Published in:

American Control Conference, 2008

Date of Conference:

11-13 June 2008