IEVref:351-45-19ID:
Language:enStatus: Obsolete
Term: damping ratio
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Definition: for a linear time-invariant system described by the second order differential equation

the value of the coefficient ,

where

tis the time;
xis a state variable of the system;
ω0is the characteristic angular frequency of the system

Note 1 to entry: When < 1, is the eigen angular frequency of the system.

Note 2 to entry: This entry was numbered 351-24-18 in IEC 60050-351:2006.


Publication date:2013-11
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