How to detect oscillations

1. How do you identify oscillation?
2. Where are oscillations found?
3. What are the three types of oscillations?
4. What parameters will you find from the oscillation testing?

How do you identify oscillation?

If the decay is higher than a certain threshold, oscillation is detected. Thornhill et al. (9) proposed a method in which the regularity of the period of oscillation in the autocorrelation function is evaluated. If the period is regular, oscillation is detected.

Where are oscillations found?

Oscillations are periodic variations that can be found in many physical, chemical and biological systems. Examples include the 24 hour cycle of the earth's rotation and the biological circadian clock, but also vibrations of guitar strings, our heartbeat, and the cell division cycle.

What are the three types of oscillations?

There are 3 main types of Oscillation – Free, damped, and forced oscillation. When a body vibrates with its own frequency, it is called a free oscillation.

What parameters will you find from the oscillation testing?

Modes of oscillation typically have two parameters of interest. These parameters are the frequency and damping ratio of the mode.