APPARATUS FOR DRIVING INERTIAL SENSOR AND CONTROLLING METHOD OF THE SAME

摘要

Disclosed herein is an apparatus for driving an inertial sensor, the apparatus including: at least one inertial sensor including a driving mass; an analog circuit unit detecting an amplitude value and a phase value of a driving mass resonance from a driving displacement signal of the inertial sensor; a first signal converting unit converting the amplitude value and the phase value into a digital value; a digital automatic gain control unit generating a control gain for controlling an amplitude or phase of the driving mass resonance so that the digitalized amplitude value or the phase value converges on a preset target value; and a second signal converting unit converting the control gain into an analog value and transmitting the analog value to the analog circuit unit, wherein the analog circuit unit applies a driving signal having the control gain reflected thereto to the inertial sensor.

主权项

1. An apparatus for driving an inertial sensor, the apparatus comprising:
an inertial sensor including at least one driving mass; an analog circuit unit detecting an amplitude value and a phase value of a driving mass resonance from a driving displacement signal of the inertial sensor; a first signal converting unit converting the amplitude value and the phase value into a digital value; a digital automatic gain control unit selectively executing an operation of a control gain for an amplitude or phase of the driving mass resonance so that any one of the amplitude value or the phase value received from the first signal converting unit first converges on a preset target value; and a second signal converting unit converting the control gain into an analog value and transmitting the analog value to the analog circuit unit.