Design and Evaluation on material and pick-off/forcer electrodes dimensions of hemispherical vibratory Coriolis gyroscope with capacitive excitation and its effect on the sensed voltage

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Sedaghati Reza; Mahmoudian Mehrdad

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Journal: ELECTRONIC INDUSTRIES Year:2020 | Volume:11 | Issue:2 Page(s): 53-63

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Information Journal Paper

Title

Design and Evaluation on material and pick-off/forcer electrodes dimensions of hemispherical vibratory Coriolis gyroscope with capacitive excitation and its effect on the sensed voltage

Author(s)

Sedaghati Reza | Mahmoudian Mehrdad | Issue Writer Certificate

Keywords

Coriolis Force

Performance Evaluation

Vibratory Gyroscopes

Abstract

Coriolis Vibratory Gyroscopes are one of the most modern types of gyros that has taken the common gyroscopes residence with some difference in the test mass design and elastic suspension test. According to the important features observed in the capacitive excitation of the actuators regarding the piezo-electric actuators, the operation principles and their formulation are completely changed, which require both two dimensional and finite element analysis to evaluate their optimal performance. Due to the sensors are usually vibrating continuously while operation, in this paper a general formulation is presented so that it can fully describe the influence of the parameters related to different frequency operating modes. The main idea of the vibration gyroscope is to replace the rotational rotor with a vibrational structure and to use the effect of Coriolis Force, which causes the secondary motion of a sensitive mass to match an angular velocity. In this paper, the analysis of the sensitivity of hemispherical vibrational gyroscopes is discussed. The electrodes location variation, the sensed voltage around the resonance frequency and pick-off/forcer materials will also be investigated. Finally, the results of simulated resonance frequencies are compared and validated with the theoretical principles.

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APA: Copy

Sedaghati, Reza, & Mahmoudian, Mehrdad. (2020). Design and Evaluation on material and pick-off/forcer electrodes dimensions of hemispherical vibratory Coriolis gyroscope with capacitive excitation and its effect on the sensed voltage. ELECTRONIC INDUSTRIES, 11(2 ), 53-63. SID. https://sid.ir/paper/961029/en

Vancouver: Copy

Sedaghati Reza, Mahmoudian Mehrdad. Design and Evaluation on material and pick-off/forcer electrodes dimensions of hemispherical vibratory Coriolis gyroscope with capacitive excitation and its effect on the sensed voltage. ELECTRONIC INDUSTRIES[Internet]. 2020;11(2 ):53-63. Available from: https://sid.ir/paper/961029/en

IEEE: Copy

Reza Sedaghati, and Mehrdad Mahmoudian, “Design and Evaluation on material and pick-off/forcer electrodes dimensions of hemispherical vibratory Coriolis gyroscope with capacitive excitation and its effect on the sensed voltage,” ELECTRONIC INDUSTRIES, vol. 11, no. 2 , pp. 53–63, 2020, [Online]. Available: https://sid.ir/paper/961029/en

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