Self-Excitation of Oscillations

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Self-Excitation of Oscillations

 

the spontaneous (without external causes) occurrence of oscillations in an oscillatory system that is in an unstable state of equilibrium. Self-excitation results from the small initial deviations from the state of equilibrium that necessarily exist as a consequence of fluctuations. The oscillations that occur can intensify and can lead to the establishment of self-oscillations in the system, which are maintained by energy from a source of some kind.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.