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handle: 10261/28124
[ES] Un aspecto de la invención se refiere a un dispositivo de control de una señal de excitación de un elemento oscilador mecánico (3) resonante excitado por dicha señal de excitación (F). El dispositivo de control comprende además medios de determinar un desfase (ϕ) entre una señal representativa de la oscilación (Z) del elemento oscilador y una componente de realimentación (F2) y medios de generación de la componente de realimentación (F2) que están configurados de modo que la componente de realimentaci'on (F2) tiene una amplitud (GA) que es una función de dicho desfase (ϕ). Otros aspectos de la invención se refieren a un dispositivo de medición, un método para controlar la señal de excitación, un método para realizar mediciones, un programa de ordenador y un dispositivo de almacenamiento.
[EN] The invention relates to a device for controlling an excitation signal from a resonant mechanical oscillating element (3) which is excited by said excitation signal (F). The inventive control device also comprises means for determining a phase difference (?) between a signal that is representative of the oscillation (Z) of the oscillating element and a feedback component (F2) and means for generating the feedback component (F2) which are configured such that the amplitude (GA) of said feedback component (F2) is a function of the aforementioned phase difference (?). The invention also relates to a measuring device, a method of controlling the excitation signal, a method of taking measurements, a computer program and a storage device.
Titular: Consejo Superior de Investigaciones Científicas (CSIC).-- Fecha de solicitud: 3-Mayo-2002.-- 46 páginas, 13 figuras.
Peer reviewed
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