This paper investigates the dynamics of a novel “multisensor” comprising a two-axis gyroscope and a single-axis linear accelerometer. The theoretical analysis indicates that the gyroscope has two modes of operation, untuned and tuned, offering, respectively, angular rate and angular displacement measurement capability, depending on the damping and mistuning present. In addition to the sensing of two-axis angular motion, the instrument is capable of measuring linear acceleration along a third axis. Experimental tests on a prototype instrument show generally good agreement with the theory giving confidence of the development potential of the instrument.

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