[PDF][PDF] Augmented validation and a stabilization approach for systems with propagation
V Rasvan, F Miranda - Systems Theory: Perspectives …, 2014 - researchgate.net
Among the rather wide class of controlled systems with distributed parameters, the systems
with propagation are a distinct class. They are not only described by hyperbolic partial …
with propagation are a distinct class. They are not only described by hyperbolic partial …
Robust and adaptive control design of a drilling rig during the operating modes
A Nobahar Sadeghi, KB Arıkan… - Measurement and …, 2019 - journals.sagepub.com
Oil well drilling towers have different operating modes during a real operation, like drilling,
tripping, and reaming. Each mode involves certain external disturbances and uncertainties …
tripping, and reaming. Each mode involves certain external disturbances and uncertainties …
Qualitative properties of a model of coupled drilling oscillations
The model of the axial and torsional vibrations for a drillstring with distributed parameters is
obtained using the variational approach within the Hamiltonian Mechanics. Further there is …
obtained using the variational approach within the Hamiltonian Mechanics. Further there is …
Dynamics properties and control for oilwell drillstrings
It is considered the model with distributed parameters of the torsional vibrations for the
drilling system. The basic model is obtained by using the generalized variational principle of …
drilling system. The basic model is obtained by using the generalized variational principle of …
Liapunov functionals for systems with time delay and propagation
V Răsvan - 2nd International Conference on Systems and …, 2013 - ieeexplore.ieee.org
Starting from some recently analyzed controlled models with propagation ie described by
hyperbolic partial differential equations, it is shown that a Liapunov functional may be …
hyperbolic partial differential equations, it is shown that a Liapunov functional may be …
Stability and control of systems with propagation phenomena
V Răsvan - 2013 17th International Conference on System …, 2013 - ieeexplore.ieee.org
There are considered controlled systems with distributed parameters in one dimension.
Their mathematical model is given by mixed initial boundary value problems for hyperbolic …
Their mathematical model is given by mixed initial boundary value problems for hyperbolic …