9V PMDC motor parameters ????

Discussion in 'Homework Help' started by adn07, Apr 13, 2009.

  1. adn07

    Thread Starter Member

    Sep 25, 2007
    im working on digital closed loop dc motor control,the thing is i dont have the
    data sheet for that 9v permenant magnetic DC motor ,and i have to get modeling for it , to test stability ,sensitivity , step response ....etc
    so in need to find the important parameters that i need. like
    armature resistance (Ra) , La , time constant , toruq of the motor N.Cm.
    plz if someone could helpe me , i would really be thankfull
    im really stack there as if as im in a deep trunch !!!!!!!!!!