Patent ID: 6853315
Filing Date: 2005-02-08
Classification: G01C

Abstract:
1. A gyroscopic navigation system, comprising: a first sensor module, having a plurality of electrical rotational rate sensors, for providing a plurality of rotational rate signals; a second sensor module, having a plurality of electrical compensation sensors, for providing a plurality of compensation signals; a microcontroller module, coupled to the first and second sensor modules, for processing the rotational rate signals and the compensation signals and generating attitude information, directional information, and turn coordinate information; a display, coupled to the microcontroller module, for displaying the attitude information, the directional information, and the turn coordinate information simultaneously; wherein the rotational rate sensors are made of piezoelectric elements, the piezoelectric elements are made from a single sheet of piezoelectric material; wherein one of the rotational sensors is a directional gyro, and another rotational sensor is an attitude gyro; wherein each of the directional and the attitude gyros is a three-dimensional solid-state gyro which comprises: wherein the compensation sensors provide acceleration, magnetic field, and temperature compensation signals to reduce correlated noise caused by acceleration, magnetic field, and temperature.