State and output feedback design for robust tracking of linear systems with rate limited actuators

State and output feedback design for robust tracking of linear systems with rate limited actuators

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Article ID: iaor20032448
Country: United Kingdom
Volume: 23
Issue: 1
Start Page Number: 21
End Page Number: 43
Publication Date: Jan 2002
Journal: Optimal Control Applications & Methods
Authors: , , ,
Keywords: tracking
Abstract:

A design technique recently proposed for stabilization of a linear system with rate-limited actuators is utilized to design feedback laws that cause the system output to track a desired command signal. This design technique combines two design techniques recently developed for linear systems with position limited actuators, piecewise-linear linear quadratic control and low-and-high gain feedback, and hence takes advantage of both design techniques, while avoiding their disadvantages. In the case that only the output is available for feedback, the performance of the state feedback law is preserved by the use of a fast observer. An open-loop exponentially unstable fighter aircraft is used to demonstrate the effectiveness of the proposed control design method.

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