Module 4 Second- Order System (1 hours) · Poles and zeros Second order systems: damping, natural frequency Step response of second order system
Module 4 Second – Order System (1 hours) • Poles and zeros • Second order systems: damping, natural frequency • Step response of second order system
Second order systems- systems described by a second order differential equation Second order systems contain two kinds of energy storage elements Lump mass and spring Capacitor and inductor Others
Second order systems – systems described by a second order differential equation Second order systems contain two kinds of energy storage elements: • Lump mass and spring • Capacitor and inductor • Others
Second order systems: Example - motor positioned load OV Gear box Potentiometer 2 Load 10V-10V+v OE Amplifier Motor Potentiometer 1 van k K K R+Lsc+Js」Ns Potentiometer 1 K Potentiometer 2
va K K K R+Lsc+Js Potentiometer I K Potentiometer 2 Field controlled motor model R = iR+l 丿=R+Lsl 丿R+SL a T orque t.=Ki, K.-torque constant
Model of the gear box: N T=J0+c0