All Years Seminars
[INMA] 2005-10-11 (14.00 pm) : Quasi-variational inequalities applied to traffic network equilibrium problems
At Auditoire Euler
Speaker :
Laura Scrimali (INMA)
Abstract :
We consider equilibrium problems in transportation
networks when data explicitly depend on time. We
deal with a class of models in which travel demands are
affected by the equilibrium distribution itself. The user
optimal assignment problem is examined in the framework of
the variational inequality theory. In particular, due to the
variable demand requirements, the problem is formulated as a
quasi-variational inequality. We then give some sufficient
conditions for the existence of solutions, supposing that users
obtain information about the flow propagation instantaneously.
The case in which information travels at a finite speed, thus
involving delays in the conservation of flows condition, is also examined.
Moreover, we show some results of sensitivity analysis, in order to
investigate the behaviour of solutions when some changes in model
parameters occur. Finally, a numerical method based on a projection-type
procedure is discussed
[INMA] 2005-10-04 (14.00 pm) : Gain Scheduling for LPV Systems
At Auditoire Euler
Speaker :
Brian ANDERSON (Australian National University)
Abstract :
Gain scheduling is a long-standing procedure for
designing controllers for plants which contain varying
parameters. Nevertheless, several theoretical issues remain.
These include ensuring that good performance is retained
when parameters can move smoothly but quickly, or switch,
between their various possible settings. Good design for frozen
values does not ensure that even stability, let alone performance,
is retained when parameter values can change fast. In this talk, we
consider a class of plants in which the parameter values are derived
from physical quantities and for which stability and some performance
properties can be assured, even in the face of rapid variations
[INMA] 2005-05-10 (14.00 pm) : Open-loop stabilization of bounce juggling
At Auditoire Euler
Speaker :
Ronsse, Renaud
Abstract : Unknown
[INMA] 2005-05-03 (14.00 pm) : IDF-Curves for precipitation in Belgium
At Auditoire Euler
Speaker :
Bernard Mohymont ( IRM )
Abstract : Unknown
[INMA] 2005-04-26 (14.00 pm) : Contrôle optimal d'une navette spatiale en phase de rentrée atmosphérique
At Auditoire Euler
Speaker :
Emmanuel Trelat ( University Paris-Sud )
Abstract : Unknown
Seminars
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