Publications related to Robust H-infinity Controller Design Using Frequency-Domain Data

A toolbox for robust PID controller tuning using convex optimization

Alireza Karimi, Vinicius De Oliveira, Mehdi Sadeghpour

A robust PID controller design toolbox for Matlab is presented in this paper. The design is based on linearizing or convexifying the conventional non-convex constraints on the classical robustness margins or H∞ constraints. Then the existing optimization s ...

2012

Robust gain-scheduled blending control of raw-mix quality in cement industries

Alireza Karimi, Michael Amrhein, Vinicius De Oliveira

This paper addresses the control of the blending process in cement industries. This process can be modeled by a nonlinear multivariable system with large parametric uncertainty. Using a specific transformation, a linear parameter varying (LPV) model with s ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2011

An Efficient Method to Estimate the Suboptimality of Affine Controllers

Daniel Kuhn

We consider robust feedback control of time-varying, linear discrete-time systems operating over a finite horizon. For such systems, we consider the problem of designing robust causal controllers that minimize the expected value of a convex quadratic cost ...

Institute of Electrical and Electronics Engineers2011

An Efficient Method to Estimate the Suboptimality of Affine Controllers

Daniel Kuhn

We consider robust feedback control of time-varying, linear discrete-time systems operating over a finite horizon. For such systems, we consider the problem of designing robust causal controllers that minimize the expected value of a convex quadratic cost ...

Institute of Electrical and Electronics Engineers2011

Robust Controller Design by Convex Optimization based on Finite Frequency Samples of Spectral Models

Alireza Karimi, Roland Longchamp, Gorka Galdos Sanz de Galdeano

Some frequency-domain controller design problems are solved using a finite number of frequency samples. Consequently, the performance and stability conditions are not guaranteed for the frequencies between the frequency samples. In this paper, all possible ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2010

Fixed-Order Robust Controller Design by Convex Optimization Using Spectral Models

Gorka Galdos Sanz de Galdeano

This thesis proposes a new method to design fixed-order controllers in frequency domain using convex optimization. The method is based on the shaping of open-loop transfer function in the Nyquist diagram with infinity norm constraints on weighted closed-lo ...

EPFL2010

Fixed-order H-infinity Controller Design for Nonparametric Models by Convex Optimization

Alireza Karimi, Gorka Galdos Sanz de Galdeano

A new approach for robust fixed-order H-infinity controller design by convex optimization is proposed. Linear time-invariant single-input single-output systems represented by nonparametric models in the frequency domain are considered. It is shown that the ...

2010

Frequency-domain controller design by linear programming

Marc Kunze

In this thesis, a new framework to design controllers in the frequency domain is proposed. The method is based on the shaping of the open-loop transfer function in the Nyquist diagram. A line representing a lower approximation for the crossover frequency a ...

EPFL2009

H-infinity Controller Design for Spectral MIMO Models by Convex Optimization

Alireza Karimi, Roland Longchamp, Gorka Galdos Sanz de Galdeano

A recent method for robust fixed-order H-infinty controller design by convex optimization proposed in [1] is investigated in this paper for the tuning of multivariable controllers. Linear Time-Invariant Multi-Input Multi-Output (LTI-MIMO) systems represent ...

2009

Robust fixed-order H infinity Controller Design for Spectral Models by Convex Optimization

Alireza Karimi, Roland Longchamp, Gorka Galdos Sanz de Galdeano

A new approach for robust fixed-order

H_\infty

controller design by convex optimization is proposed. Linear time-invariant single-input single-output systems represented by a finite set of complex values in the frequency domain are considered. It is show ...

IEEE2008

Robust H-infinity Controller Design Using Frequency-Domain Data

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A toolbox for robust PID controller tuning using convex optimization

Robust gain-scheduled blending control of raw-mix quality in cement industries

An Efficient Method to Estimate the Suboptimality of Affine Controllers

An Efficient Method to Estimate the Suboptimality of Affine Controllers

Robust Controller Design by Convex Optimization based on Finite Frequency Samples of Spectral Models

Fixed-Order Robust Controller Design by Convex Optimization Using Spectral Models

Fixed-order H-infinity Controller Design for Nonparametric Models by Convex Optimization

Frequency-domain controller design by linear programming

H-infinity Controller Design for Spectral MIMO Models by Convex Optimization

Robust fixed-order H infinity Controller Design for Spectral Models by Convex Optimization

Robust gain-scheduled blending control of raw-mix quality in cement industries

A toolbox for robust PID controller tuning using convex optimization

An Efficient Method to Estimate the Suboptimality of Affine Controllers

Frequency-domain controller design by linear programming

Fixed-Order Robust Controller Design by Convex Optimization Using Spectral Models

Fixed-order H-infinity Controller Design for Nonparametric Models by Convex Optimization

An Efficient Method to Estimate the Suboptimality of Affine Controllers

Robust Controller Design by Convex Optimization based on Finite Frequency Samples of Spectral Models

H-infinity Controller Design for Spectral MIMO Models by Convex Optimization

Robust fixed-order H infinity Controller Design for Spectral Models by Convex Optimization