How can I get bode plot on closed loop buck power supply

The example is in matlab example model called "power_switching_power_supply"

Answer 1

[Pritesh Shah]

http://in.mathworks.com/help/slcontrol/gs/bode-response-of-simulink-model.html

Find out frequency response of the system.

[ChienHao Kung]

Hi Sir

Could you tell me where are the input and output for the linear analysis points on this example? And what kind of points I should use for the input and output? open loop points ? input perturbation?