Step Response of a First and Second Order System

Step response of a first Order System

•

Objective

•

> Define first order transfer funstion

•

•

Derive the output response of a first order system system ( depend on various input signal &initial condition) Describe the effect effect on the the time response of  the system system

Unit step input •

•

EX : spring damper system system (with a unit step input)

Step input

Step response of a second order system

2 nd order order sys syste tem m ex example ample