Abstract

This paper summarizes our recent work on piezoelectric vibratory angular rate sensors (gyroscopes). The operating principle and basic behaviors of piezoelectric gyroscopes are explained by a simple example. Structural shapes and vibration modes that can be used to make gyroscopes are summarized and classified. Some common behaviors of piezoelectric gyroscopes are identified. Results from the three-dimensional equations of a rotating piezoelectric body and the corresponding zero-, one- and two- dimensional theories of piezoelectric parallelepipeds, beams, rings, plates, and shells are discussed.KeywordsPiezoelectricitygyroscopeangular rate sensorwavevibration

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