This paper presents the role of vector relative degree in the
formulation of stationarity conditions of optimal control problems
for affine control systems. After translating the dynamics into a
normal form, we study the Hamiltonian structure. Stationarity
conditions are rewritten with a limited number of variables. The
approach is demonstrated on two and three inputs systems, then, we
prove a formal result in the general case. A mechanical system
example serves as illustration.
In this paper we consider a free boundary problem for a nonlinear parabolic partial differential equation. In particular, we are concerned with the inverse problem, which means we know the behavior of the free boundary a priori and would like a solution, e.g. a convergent series, in order to determine what the trajectories of the system should be for steady-state to steady-state boundary control. In this paper we combine two issues: the free boundary (Stefan) problem with a quadratic nonlinearity....
In this paper we consider a free boundary problem for a nonlinear
parabolic partial differential equation. In particular, we are
concerned with the inverse problem, which means we know the
behavior of the free boundary and would like a solution,
a convergent series, in order to determine what the
trajectories of the system should be for steady-state to
steady-state boundary control. In this paper we combine two
issues: the free boundary (Stefan) problem with a quadratic
nonlinearity. We prove...
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