Any idea of small signal analysis ?that is used for linearisation

Any idea of small signal analysis ?that is used for linearisation in control system

Answer 1

[Yu Jiang]

You may want to take a look at the following link:

http://en.wikipedia.org/wiki/Small-signal_model

[baruch]

I know what is it.Actually I have some nonlinear equations and want to linearize them that's why I am asking.Is there anybody to help me out