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Red Team

Red Team. Amanda Newman Ankit Patel Bryan Cuervo UTC ENGR 329 Sept. 14, 2005. Outline. Process Control Theory Background Steady State/Step Response Results Conclusions. Systems Identification. M(t) vs. C(t) The SSOC Operation range The FOPDT

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Red Team

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  1. Red Team • Amanda Newman • Ankit Patel • Bryan Cuervo UTC ENGR 329 Sept. 14, 2005

  2. Outline • Process Control Theory • Background • Steady State/Step Response Results • Conclusions

  3. Systems Identification • M(t) vs. C(t) • The SSOC • Operation range • The FOPDT • Steady-state gain, response time, dead time

  4. Background – System Parameters • Input • M(t) • % power to blower motor (%) • Output • C(t) • Pressure (cm-H2O)

  5. Block Diagram – Pressure System

  6. Pressure System Schematic

  7. TAP TUBING BLOWER MOTOR OUTLET DAMPERS VARIABLE SPEED DRIVE PRESSURE RECORDING CONTROLLER TRANS- DUCER CIRCUIT CONNECTOR

  8. SSOC Calculations • Steady-state response curves • Trials at 10% input intervals • Sample range taken from steady-state region (12-15 seconds)

  9. Results – Pressure System

  10. FOPDT PARAMETER CALCULATIONS • Input ranges • 10-40%, 40-70%, 70-100% • All “UP” Steps • 4 trials per input step range • t0 ,T and K • Ave • 95% confidence level – Student’s t

  11. Results – Step Response

  12. Parameter Results –Data Sample

  13. Parameter Results

  14. Parameter Results

  15. Parameter Results

  16. Summary and Conclusions • The C(t), M(t) relation • SSOC • Non-linear • 1-10 cm-H2O Operational output range • 30%-100% Operational input range

  17. Summary and Conclusions • FOPDT Step Response Parameters • Gain – Increases from lower to upper ranges. • Response Time – Significant variance between ranges. • Dead Time – Decreases from lower to upper ranges.

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