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Effect of unmodeled actuator dynamics on output feedback stabilization of nonlinear systems
Journal article   Peer reviewed

Effect of unmodeled actuator dynamics on output feedback stabilization of nonlinear systems

Rabah W. Aldhaheri and Hassan K. Khalil
Automatica (Oxford), Vol.32(9), pp.1323-1327
01/09/1996
DOI: https://doi.org/10.1016/0005-1098(96)00077-5

Abstract

Actuators feedback linearization nonlinear control observers reduced-order models singular perturbation method
The effect of unmodeled fast actuator dynamics on the output feedback stabilization of feedback-linearizable systems is studied. It is shown that if the actuator dynamics are sufficiently fast, the output feedback controller will stabilize the origin of the actual system. Moreover, it is shown that the actuator dynamics need not be faster than the observer dynamics.

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