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An output feedback H controller design for linear systems subject to sensor nonlinearities

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3 Author(s)
Yong-Yan Cao ; Dept. of Electr. & Comput. Eng., Univ. of Virginia, Charlottesville, VA, USA ; Zongli Lin ; B. M. Chen

In this paper, the output feedback H controller design problem is addressed for linear systems subject to sensor nonlinearity. First, the existence condition of an output feedback controller is derived for systems with sensor sector nonlinearity. A design method for the output feedback H controller is proposed using a linear-matrix inequality (LMI) based approach. The result is then applied to the design of a regional output feedback H controller for the systems subject to sensor saturation. An LMI optimization based approach is proposed to computing the feedback matrices of the regional output feedback H controller. Finally, a numerical example is presented to show the effectiveness of the results.

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IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications  (Volume:50 ,  Issue: 7 )