1. Team Flow Eric Parker Jason Gunn Nathan Funk

2. Outline zBackground zPrevious Work zModeling zResults and Conclusions zQuestions

3. FLOW SYSTEM Flow Background Storage Tank Pump Flow Meter

4. Flow Background zInput = % motor speed zOutput = mass flow rate (lbs/min) zSSOC yOperating Range 10% - 90%

6. Previous Work zModeling Step Input zFOPDT Model zTransfer Function Parameters ytau=0.4secK=0.66 (lbs/min)/% yto=0.3sec where G=(Ke^(to*s))/(tau*s+1)

8. Previous Work zModeling Sine Input zFOPDT Model zTransfer Function Parameters ytau=0.4secK=0.7 (lbs/min)/% yto=0.3sec zBode Plots

10. Bode Plots zTwo Types zPhase Angle vs Frequency zAR vs Frequency

13. Bode Results zApparent Order is 1.8 zKcu = 2.6 (lbs/min)/% zFu = 0.8 Hz

14. Modeling zRoot Locus

16. Theoretical Results zK cd =.22 zK qd =3.4 zK cu =5.2

17. Experimental Results zK cd =<.1 zK qd =1.6 zK cu =2.3

19. 4.0 1

20. Verification z1st peak = 4.0 z2nd peak = 1.0 z1/4 =.25 decay z Frequency z 1/(31.7-30.5)=.83hz

21. 53.5

22. Calculations z1st peak=37.5 - 32.5=5 z2nd peak=36-32.5=35 zDecay=(3.5/5)=.70 z Frequency z 1/(59.2-57.9) =.77hz

23. Experimental Results zK cd =<.1 zK qd =1.6 zK cu =2.3

24. Discussion Theory Experimental K cd =.22 K cd <.1 K qd =3.4 K qd =1.6 K cu =5.2 K cu =2.3

25. Conclusions zCritical damped K c value.1 zQuarter decay K c value 1.6 zUltimate Kc value 2.3

26. Q UESTIONS ?