Lab 4 Grading Prelab: (___/40) (A) Transfer functions and Time Constant __/8 V_0(s)/V_i(s) eqn 4 pts tau_e eqn 4 pts (B) Transfer functions and Time Constant __/8 Time Domain Step response V_o(t), show how tau_e can be isolated 4 pts calculate tau_e 2 pts claculate L_a 2 pts (C). KV, b, c __/8 derive steady-state eqns 3 pts average KV = 2 pts b = , c = 3 pts (D). Omega(t) and J __/8 eqn for Omega(t) 2 pts explanation on how to get J 2 tps J = _____Kg m2 (include a plot) 4 pts (E). Effect of inductance __/8 2nd order tf function 2 pts 1st order tf function 2 pts overlayed MATLAB step response for both La values overlayed MATLAB bode plot for both La values 2 pts Discussion: does inductance cause serious effects? What frequency ranges are the same? 2 pts ****************************************************** Lab Report: (___/90) Part I. Calibration of Tachometer: (5) Computing the Tachometer Gain ___/3 Experimental Parameters for the Tachometer. ___/2 Part II. R_A and Back-EMF: (10) Measuring the Armature Resistance and Back-EMF ___/4 Experimental Values ___/2 Experimental Parameters ___/4 Part III. Constant and Viscous Friction Coefficients: (10) Measuring the constant and viscous coefficients ___/6 Experimental Values. ___/4 Part IV. Armature Inductance: (20) Procedure for Measuring Rs and La ___/14 Experimental Parameters ___/6 Part V. Rotor Moment of Inertia: (18) Procedure for measuring the moment of Inertia J ___/14 Experimental Values for J ___/4 Part VI. Conservation of Energy: (12) Prove that Kv=Ktau ___/6 Prove that their SI units are equivalent ___/6 Part VII. System Transfer Function: (10) Transfer Function Ù(s)/Vi(s) ___/5 Transfer Function Ù(s)/Vi(s), 1st order approx ___/5 Part VIII. Steady-state response of non-linear system: (5) steady-state angular velocity for a 4 VDC Input. ___/5 ---- Total Report 90 Prelab 40 Checkout 20 ---- Total 150