Unitary transducer control system

G - Physics – 01 – M

Patent

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Details

G01M 1/38 (2006.01) G05B 19/18 (2006.01) H04R 23/00 (2006.01)

Patent

CA 2384613

A control system (11) controls the motion of a physical subject (36) such as a mechanical system via a single trans-ducer (10) which alternates in a time-discrete manner between the task of reading a signal indicative of the state of the subject and the task of influencing said state by the application of a force. Control of motion or vibration is achieved through a series of actuating pulses interleaved with sensing operations. The same single transducer (10) alternately acts as input to the control system (11) from the subject and output from the control system (11) to the subject. The control system (11) provides full and individual control of all important harmonic modes of vibration of a subject mechanical system.

L'invention concerne un système de commande (11) servant à commander le mouvement d'un objet physique (36), par exemple un système mécanique, à l'aide d'un transducteur (10) unique alternant de façon temporellement discrète la lecture d'un signal indicateur de l'état du sujet et une action sur cet état en exerçant une force. La commande du mouvement ou de la vibration s'effectue par une série d'impulsions de commande mêlées à des opérations de détection. Le même transducteur (10) unique sert, de façon alternative, d'entrée de l'objet au système de commande (11), et de sortie du système de commande (11) à l'objet. Ce système de commande (11) permet une commande totale et individuelle de tous les principaux modes de vibration harmoniques d'un système mécanique objet.

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