a. Run Experiment 14B.

Measure the torque ripple as a function of velocity loop bandwidth for KVP = 1, 2, 5, 10, and 20. Note that you can set KVI = 0 to ensure stability.

b. Compare this with the ripple estimated by Equation 14.13. What conclusions can you draw?

EQUATION 14.13

Transcribed Image Text:

0 Solver < < < >>> 7.2 100 2 KVP KVI K Err Mag (arc-min) 2 Harmonic 800 Current Loop Vm 1/K Dsa Oi dt 1 0.02 Digital Pl Current Loop Kt 1/J Pos Err Switch Dsa On 0 Vc VXXXXXXX DSA Command RMS 0.4266 Ve RMS Current Vm m Scale1: 2 (Off 4)-. Scale2: 2- Time: 0.01 DC 1000 VF, DC (RPM) K Vf 0.00025 TSample Main Scale1: 0.5 Time: 0.011 Im Ato