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Predictive control of spiral vortex breakdown

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A mathematical approach in the design of arterial bypass using unsteady Stokes equations

Alfio Quarteroni, Gianluigi Rozza

In this paper we present an approach for the study of aorto-coronaric bypass anastomoses configurations using unsteady Stokes equations. The theory of optimal control based on adjoint formulation is applied in order to optimize the shape of the zone of the ...

2006

Polyhedral Tools for Control

Colin Neil Jones

Polyhedral operations play a central role in constrained control. One of the most fundamental operations is that of projection, required both by addition and multiplication. This thesis investigates projection and its relation to multi-parametric linear op ...

University of Cambridge2005

Optimal control in heterogeneous domain decomposition methods

Alfio Quarteroni

Some new domain decomposition methods (DDM) based on optimal control approach are introduced for the coupling of first- and second-order equations on overlapping subdomains. Several cost functionals and control functions are proposed. Uniqueness and existe ...

2005

Optimal control in heterogeneous domain decomposition methods

Alfio Quarteroni

De Gruyter, Walter de Gruyter2005

Enhancing the control of tokamaks via a continuous nonlinear control law

Jean-Yves Favez

The control of the current, position and shape of an elongated cross-section tokamak plasma is complicated by the instability of the plasma vertical position. In this case the control becomes a significant problem when saturation of the power supplies is c ...

EPFL2004

Integrated scenario in JET using real-time profile control

Olivier Sauter

The recent development of real-time measurements and control tools in JET has enhanced the reliability and reproducibility of the relevant ITER scenarios. Diagnostics such as charge exchange, interfero-polarimetry, electron cyclotron emission have been upg ...

2003

Optimal control and shape optimization of aorto-coronaric bypass anastomoses

Alfio Quarteroni, Gianluigi Rozza

In this paper we present a new approach in the study of aorto-coronaric bypass anastomoses configurations. The theory of optimal control based on adjoint formulation is applied in order to optimize the shape of the zone of the incoming branch of the bypass ...

2003

Methodologie d'Optimisation Dynamique et de Commande Optimale des Petites Stations d'Epuration a Boues Activees

Benoît Chachuat

The adoption of stricter effluent requirements by the European Union rises large problems for small communities having few economical and technical resources. These problems motivate the synthesis of advanced optimisation-based controllers in order to enha ...

Institut National Polytechnique de Lorraine (INPL)2001