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- Ilyasse Aksikas, Adrian Fuxman, J. Fraser Forbes, Joseph J. Winkin
- Automatica
- 2009

- Audrey Favache, Denis Dochain, Joseph J. Winkin
- Systems & Control Letters
- 2011

- Joseph J. Winkin, Denis Dochain, Philippe Ligarius
- Automatica
- 2000

- Frank M. Callier, Joseph J. Winkin
- Automatica
- 1992

- Christophe Prieur, Joseph J. Winkin, Georges Bastin
- MCSS
- 2008

The stability problem of a system of conservation laws perturbed by non-homogeneous terms is investigated. These non-homogeneous terms are assumed to have a small C1-norm. By a Riemann coordinates approach a sufficient stability criterion is established in terms of the boundary conditions. This criterion can be interpreted as a robust stabilization… (More)

- Ilyasse Aksikas, Joseph J. Winkin, Denis Dochain
- IEEE Trans. Automat. Contr.
- 2007

The linear-quadratic (LQ) optimal temperature and reactant concentration regulation problem is studied for a partial differential equation model of a nonisothermal plug flow tubular reactor by using a nonlinear infinite dimensional Hilbert state space description. First the dynamical properties of the linearized model around a constant temperature… (More)

where x, u and y are the system state, input and output, respectively, A is a densely defined differential linear operator on an (infinite-dimensional) Hilbert space (e.g., L(a, b), a, b ∈ R), which generates a C0-semigroup, and B, C and D are bounded linear operators. Moreover, if A is a Riesz-spectral operator, it possesses several interesting properties,… (More)

- Abdou K. Drame, Denis Dochain, Joseph J. Winkin, Peter R. Wolenski
- Applied Mathematics and Computation
- 2012

This paper deals with a model of a biochemical reactor system with distributed parameters and with a time delay in the growth response. Time delay has been introduced in microbial growth systems to explain the time lapse between the consumption of (liquid) substrate and its conversion to (solid) biomass. We study here the properties of the resulting system… (More)

This paper studies the solution of the spectral factorization problem for multivariable distributed parameter systems with an impulse response having an in nite number of delayed impulses. A coercivity criterion for the existence of an invertible spectral factor is given for the cases that the delays are a) arbitrary (not necessarily commensurate) and b)… (More)

- Ilyasse Aksikas, Joseph J. Winkin, Denis Dochain
- Systems & Control Letters
- 2007