Active Control of Offshore Structures

The petroleum exploration in deep water induces many challenges. Several problems are due to the extremely long structure that links the platform to the wellhead (risers). The depth increase makes the structure more slender, and consequently much more flexible. Its dynamical behavior can be described by an infinite dimensional system. Two associated problems are studied in this report: the positioning of the bottom end of structure, to connect it to the wellhead (reentry operation), and the vortex induced vibrations (VIV) of these slender structures.

Autorentext

Eugênio Fortaleza is Assistant Professor at Universidade de Brasília, He graduated as control and automation engineering at the Universidade de Campinas and conclude his Ph.D. in the control of offshore structures at the École des Mines de Paris. His research is focus on the control of offshore structures and equipments for oil exploration.