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User-specified benchmark has been used for control loop performance assessment. Structured closed-loop responses which are subject to various performance characteristics constraints are proposed in this work and served as a user-specified benchmarks against which the existing controller performance is compared. The performance characteristics constraints can be a mixture of variance upper bound, pole...
In this paper performance assessment of univariate control loops with linear time varying (LTV) disturbance dynamics is investigated. The objective is to find a linear time invariant (LTI) optimal controller to regulate the LTV disturbance. In various disturbance dynamics, one of them is treated as a major upset to the system. In this paper an LTI benchmark control is proposed which ensures the sum...
User-specified benchmark has been reported in the literature for control loop performance assessment. A structured closed-loop response which is subject to simultaneous output covariance upper bound and pole placement constraint is proposed in this paper and served as an improved user-specified benchmark against which the existing controller performance can be compared. An LMI-based approach is used...
In this paper, finite impulse response (FIR) control is addressed for Hinfin output feedback stabilization of linear systems. The problem we deal with is the construction of an output feedback controller with a certain finite impulse response structure such that the resulting closed-loop system is asymptotically stable and a prescribed Hinfin norm bound constraint is guaranteed. Some solvability conditions...
This paper addresses the stabilization of nonlinear systems represented by a discrete-time Takagi-Sugeno (T-S) model. Based on the extended nonquadratic Lyapunov function and the non-parallel distributed compensation law, the improvement over the existing results is achieved via introducing new slack matrices, new collection matrices and the higher dimensional collection matrix. We note that T-S model...
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