Coriolis Vibratory Gyroscopes by Vladislav Apostolyuk

Author:Vladislav Apostolyuk
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

Fig. 4.4Non-optimised transient process. (solid real and imaginary transfer functions model, dashed input angular rate, dotted realistic simulations output)

In the first case in Fig. 4.3, transient process for the non-optimised CVG is expressing significant overshoot and clear oscillatory behaviour. In the second case, secondary natural frequency is chosen according to (4.23), which resulted in half-oscillation transient process as expected.

From the graphs in Figs. 4.3 and 4.4, one can also see that “realistic” transient process is somewhat different from the “complex” (based on real and imaginary transfer functions) one. This is believed to be the result of demodulation with the fixed phase shifted signal, while the actual phase shift varies in time. At the same time, “complex” output is much closer to the real secondary oscillations envelope, than the demodulated “realistic”.

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