1. Red Team -Pressure- Steady State Operating And Step Response Dennis To Cory Richardson Jamison Linden 6/26/2015, UTC, ENGR-329

2. Contents  Background Description, SSOC, Step Response  FOPDT Model  Model Theory  Results  Conclusions

3. Background  System  Input  Output  SSOC  Operating Range

4. System Figure 1. Schematic diagram of the Dunlap Plant Spray-Paint Booths

5. Block Diagram Figure 2. Block diagram of paint Booth System

6. SSOC Operating Range for Output Operating Range for Input

7. Operating Range  Input operating range (45%-90%)  Output operating range (0.5-10 cm-H2O)

8. Theory  Transfer Function  Parameters

9. Transfer Function Transfer Function m(s) Input c(s) Output 1 0   s Ke st  K=Gain=∆c/∆m=(cm-H2O)/% to=Dead Time τ=Time Constant (use 0.632∆c) Uncertainties (max-min)*(t/n)

10. Parameters LowerUpper Middle

11. Results  Experimental (Step-up, Step-down)  Time Response (Gain)  Time Response (Dead Time)  Time Response (Time Constant)

12. Experimental (Step-up)

13. Experimental (Step-down)

14. Time Response (Gain)

15. Time Response (Dead Time)

16. Time Response (Time Constant)

17. FOPDT Model  Model Equation  C(t) = A*u(t-t d -t 0 )*K*(1-e -((t-t d -t 0 )/tau) ) Parameters  t d =15 sec.  A = 15 %  K =.21 cm-H 2 O /%  t 0 = 0.52 sec.  tau = 1.8 sec.  inbl= 60%  outbl=2 cm-H 2 O

20. Model Time Response (Gain)

21. Model Time Response (Dead Time)

22. Model Time Response (Time Constant)

23. Results  EXPERIMENTAL PARAMETERS INCREASING STEADY STATE GAINK0.1-0.35 cm-H2O/% DEAD TIMEto0.5 s TIME CONSTANTt1.7 s  EXPERIMENTAL PARAMETERS DECREASING STEADY STATE GAINK0.1-0.35 cm-H2O /% DEAD TIMEto0.5 s TIME CONSTANTt1.7 s

24. Conclusions  Input operating range  Output operating range  (K) goes up as the input % is increased (0.1-0.35cm-H2O/%)  (t o) stays constant (0.5sec)  ( ) stays constant (1.7sec)