Active control of vibration
AssigneeTopexpress Limited
InventorsSean G. C. Sutcliffe, Graham P. Eatwell, Stephen M. Hutchins
Life of this patent
Estimating the term…
Abstract
A vibration mount by which a subject body (10) is mounted on a support (12) by means of an intermediate body (16), and constrictive actuators (22, 24) each of whose dimensions can be changed in a controllable manner by signals supplied from a computer receiving information from sensors on the intermediate body, applies controlled compensating forces to the intermediate body to reduce its vibrations.
Claims11
A vibration mount by means of which a subject body is mounted on a support and which includes an intermediate body between the subject body and the support, wherein at least two dimension-changing constrictive actuators are provided for applying controlled compensating forces to the intermediate body so as the reduce vibration of the intermediate body in at least two of its degrees of freedom of motion and over at least a part of the frequency range for which control of vibrations is required, wherein said intermediate body is substantially flat and rectangular in shape, and wherein a pair of said actuators are disposed at each side of said intermediate body, and opposed pairs of actuators are disposed respectively above and below said intermediate body.
Dependencies are inferred from the claim text.