Question

Write Short Notes on Natural frequency and damping in yaw.

Answer 1

Reliable and rugged Pitch and Yaw system with established Siemens Technologies.
Damping and natural frequency of yaw mode become independent of speed.
kD can be adjusted to the desired damping level.
The roll motion of the vhicles has an effect on the yaw natural frequency through its change of slip angles. Because the yaw natural frequency formula considering this effect is solution to a quartic equation, this paper created approximate solution formulas for yaw natural frequency and damping ratio which take roll motion into account. The method is as follow. The change in fhe slip angles was converted into the lateral stiffness of tires. This time was added to the natural frequency and the damping ratio by complex cornering Stifness. Further this paper considered the approximation accuracy and valid range of these formulas.

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Answer 2

Natural frequency is the frequency at which a system tends to oscillate in the absence of any driving or damping force.

A yaw damper is a device used on many aircraft to damp the rolling and yawing oscillations known as the Dutch roll mode

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