Linear controller design: limits of performance
Linear controller design: limits of performance
Analysis and design for robust performance with structured uncertainty
Systems & Control Letters
Control of uncertain systems: a linear programming approach
Control of uncertain systems: a linear programming approach
Worst-case control-relevant identification
Automatica (Journal of IFAC) - Special issue on trends in system identification
Design of the l1-suboptimal Robust Controller for the Linear Object with Nonstructured Uncertainty
Automation and Remote Control
Robust tracking with unknown upper bounds on the perturbations and measurement noise
Automation and Remote Control
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In the classical formulations of the problems of design of the robust optimal controllers, the equations of the nominal plant and the weights of the permissible perturbations are assumed to be known. In the present paper, consideration was given to a nonclassical formulation of the design problem where the weights of perturbations are assumed to be unknown and subject to estimation from the measurement data. The multivariable discrete-time controlled plant was described by a given transfer matrix with perturbations in the irreducible factors and a bounded external perturbation. The problem of determination with a predefined accuracy of the perturbation weights that are best coordinated with the measurements and of their corresponding suboptimal controller was solved.