Publications related to Robust control of systems with sector nonlinearities via convex optimization: A data-driven approach

Towards computational complexity certification for constrained mpc based on lagrange relaxation and the fast gradient method

Solving a convex optimization problem within an a priori certified period of time is a challenging problem. This paper discusses the certification of Nesterov’s fast gradient method for problems with a strictly quadratic objective and a feasible set given ...

2011

Learning a feasible and stabilizing explicit model predictive control law by robust optimization

Colin Neil Jones, Melanie Nicole Zeilinger

Fast model predictive control on embedded sys- tems has been successfully applied to plants with microsecond sampling times employing a precomputed state-to-input map. However, the complexity of this so-called explicit MPC can be prohibitive even for low-d ...

2011

Linear Local Models for Monocular Reconstruction of Deformable Surfaces

Pascal Fua, Mathieu Salzmann

Recovering the 3D shape of a nonrigid surface from a single viewpoint is known to be both ambiguous and challenging. Resolving the ambiguities typically requires prior knowledge about the most likely deformations that the surface may undergo. It often take ...

2011

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

Non-Iterative Data-Driven Model Reference Control

In model reference control, the objective is to design a controller such that the closed-loop system resembles a reference model. In the standard model-based solution, a plant model replaces the unknown plant in the design phase. The norm of the error betw ...

EPFL2010

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 via Convex Optimization Using an Alternative to Youla Prameterization

Alireza Karimi, Hamid Khatibi

All H-infinity controllers of a SISO LTI system are parameterized thanks to the relation between Bounded Real Lemma and Positive Real Lemma and a new concept of strict positive realness of two transfer functions with the same Lyapunov matrix in the matrix ...

Institute of Electrical and Electronics Engineers2010

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 control of systems with sector nonlinearities via convex optimization: A data-driven approach

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Towards computational complexity certification for constrained mpc based on lagrange relaxation and the fast gradient method

Learning a feasible and stabilizing explicit model predictive control law by robust optimization

Linear Local Models for Monocular Reconstruction of Deformable Surfaces

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

Non-Iterative Data-Driven Model Reference Control

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

Fixed-Order H-infinity Controller Design via Convex Optimization Using an Alternative to Youla Prameterization

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

Towards computational complexity certification for constrained mpc based on lagrange relaxation and the fast gradient method

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

Learning a feasible and stabilizing explicit model predictive control law by robust optimization

Non-Iterative Data-Driven Model Reference Control

Linear Local Models for Monocular Reconstruction of Deformable Surfaces

Frequency-domain controller design by linear programming

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

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

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

Fixed-Order H-infinity Controller Design via Convex Optimization Using an Alternative to Youla Prameterization