Investigation of the Functioning of the Electronics Unit and the Resonator of a Wave Solid-State Gyroscope in the Mode Angular Velocity Sensor
https://doi.org/10.17587/mau.23.440-447
Abstract
The principles of operation of a wave solid-state gyroscope are described using the example of a cylindrical metal resonator design, in which oscillations are created and a signal is picked up by means of piezoelectric elements located on the base of the resonator. The mode of positional excitation of primary oscillations and the formation of a feedback signal to ensure the operation of the resonator in the mode of an angular velocity sensor are considered. A block diagram of the conversion sequence of the signal taken from the piezoelectric elements of the axes of nodes and antinodes for the organization of feedbacks is given. Approaches to the construction of control loops for the amplitude and phase of oscillations to create primary oscillations and compensate for the amplitude of oscillations of the node axis are considered. The presence of these circuits makes it possible to ensure the operation of a wave solid-state gyroscope in the mode of an angular velocity sensor. For all areas of signal conversion, a mathematical description of computational processes has been compiled, based on the condition for the implementation of computational procedures by a digital computer. Mathematical dependences necessary for correcting the output signal — ensuring its linearity and stability in the range of operating temperatures and the range of measured angular velocities are compiled. The results of tests confirming the operability of a wave solid-state gyroscope in the mode of an angular velocity sensor are presented. An approach to constructing a resonator model based on the finite element method is considered. An approach to the verification of a finite element model is shown by comparing the results of an experimental study of the characteristics of the resonator with the simulation results.
Keywords
About the Authors
V. Ya. RaspopovRussian Federation
D., Professor,
Tula, 300012
V. V. Likhosherst
Russian Federation
Tula, 300012
S. V. Egorov
Russian Federation
Tula, 300012
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Review
For citations:
Raspopov V.Ya., Likhosherst V.V., Egorov S.V. Investigation of the Functioning of the Electronics Unit and the Resonator of a Wave Solid-State Gyroscope in the Mode Angular Velocity Sensor. Mekhatronika, Avtomatizatsiya, Upravlenie. 2022;23(8):440-447. (In Russ.) https://doi.org/10.17587/mau.23.440-447