Device for vibration control of a structure

Details Device for vibration control of a structure Device for vibration control of a structure

F - Mech Eng,Light,Heat,Weapons

16

F

F16F 15/22 (2006.01)

Patent

CA 2672516

The invention relates to a device for vibration control of a structure having - two mass bodies (10,20) which are mounted so as to be rotatable about in each case one rotational axis (12,22), wherein the two rotational axes extend in the same direction and the centre of gravity of each mass body has a spacing (r1,r2) from the associated rotational axis, - a drive which sets each mass body (10,20) in a circulating rotational movement, at least one sensor (40) which measures a movement or acceleration of the structure (30) and - a controller which, on the basis of the measured movement or acceleration, controls at least one of the following variables: - the rotational angle (phi1, phi2) of the rotational movement of at least one mass body (10, 20), - the spacing (a) of the rotational axis (12) of a mass body (10) from the rotational axis (22) of the other mass body (20).

Dispositif de contrôle des vibrations d'une construction, comprenant : deux corps massiques (10, 20) qui sont montés à rotation autour d'un axe de rotation (12, 22) respectif, les deux axes de rotation s'étendant dans la même direction et le centre de gravité de chaque corps massique présentant une distance (r1, r2) par rapport à l'axe de rotation associé ; un entraînement qui met chaque corps massique (10, 20) en un mouvement de rotation en circulation; au moins un capteur (40) qui détecte un mouvement ou une accélération de la construction (30) ; et une unité de commande qui, sur la base du mouvement ou de l'accélération détecté(e), commande au moins un des paramètres suivants : l'angle de rotation (phi1, phi2) du mouvement de rotation d'au moins un corps massique (10, 20) ; la distance (a) entre l'axe de rotation (12) d'un corps massique (10) et l'axe de rotation (22) de l'autre corps massique (20).

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