Adaptive Control for Reducing the Effect of Damping on the Output Signal of Microgyroscopes

摘要

It is a commonly used approach to employ control algorithms with force feedback loop for increasing the sensitivity and robustness of inertial sensors. However, such control strategies do not take into account variations or fluctuations of external parameters such as air pressure and humidity, which influence the dynamical behavior of the mechanical transducer elements and, hence, the sensor output signal. In order to compensate such disturbing effects, it seems very promising to use adaptive algorithms for the control of the drive and actuator elements, so that the impact of fluctuating ambient conditions on the output signal can be largely compensated by a proper corrective adjustment of the respective operating conditions.