Stabilization of Flexible Structures

Recent work on the scole model.- Mathematical study of large space structures.- Symbolic formulation of dynamic equations for interconnected flexible bodies: The GEMMES software.- Adaptive optics ¿ Shape control of an adaptive mirror.- Energy decay estimates for a beam with nonlinear boundary feedback.- Uniform stabilization of the wave equation with dirichlet-feedback control without geometrical conditions.- Actuators and controllability of distributed systems.- Linear quadratic control problem without stabilizability.- Riccati equations in noncylindrical domains.- Boundary control problems for non-autonomous parabolic systems.- Existence and optimal control for wave equation in moving domain.- Galerkine approximation for wave equation in moving domain.- Further results on exact controllability of the Euler-Bernoulli equation with controls on the dirichlet and neumann boundary conditions.- Some properties of the value function of a nonlinear control problem in infinite dimensions.- Identification of coefficients with bounded variation in the wave equation.- Shape hessian by the velocity method: A Lagrangian approach.- Shape sensitivity analysis of hyperbolic problems.- Differential stability of perturbed optimization with applications to parameter estimation.- A numerical method for drag minimization via the suction and injection of mass through the boundary.- Using the physical properties of systems for control: An illustration.