Process Measurement and Control


For discussion of all aspects of measurement and control in the process industries, such as pharmaceutical, power, pulp and paper, chemical, etc. If you have any questions or comments, please post them here. If you see a question that you can answer, or perhaps add your insight, please use the reply to add to the thread.
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  1. PI controller + integral windup + time delay + noise. , Sep 3, 2003
    1. Re: PI controller + integral windup + time delay + noise. , Sep 7, 2003
  2. Untitled. Anonymous, Aug 30, 2003
  3. sampling. Anonymous, Aug 28, 2003
    1. sampling. , Aug 29, 2003
      1. Re: sampling. Anonymous, Aug 30, 2003
        1. Re: Re: sampling. Curtis Keyes, Aug 31, 2003
  4. S88.01- Batch Controls. , Aug 24, 2003
  5. Can PID regulate this (newbie question)?. , Aug 15, 2003
    1. Maybe. , Aug 23, 2003
      1. PI vs. ON/OFF. , Aug 23, 2003
        1. PI may be only option. , Aug 23, 2003
  6. PID Code in Delphi/Pascal. , Jul 24, 2003
    1. Source Code for PID Algorithm. john gerry, Jul 27, 2003
    2. Re: PID Code. , Aug 14, 2003
  7. can you help me?. , Jul 24, 2003
  8. Level Control with a PID loop. , Jul 22, 2003
    1. How to Control a Level Loop. John Gerry, Jul 27, 2003
  9. Calling all PID experts: Discussions on PID Tuning. , Jul 10, 2003
    1. PID Tuning Method. john gerry, Jul 27, 2003
  10. Factory pressed dc, ps1, ps2, dvd, xbox silvers for sale!. , Jul 3, 2003
  11. Re: Bias in Proportional Only Control. ROY, Jul 2, 2003
    1. Re: Bias in Proportional Only Control. , Jul 2, 2003
      1. Re: Re: Bias in Proportional Only Control. ROY, Jul 3, 2003
      2. Re: Re: Bias in Proportional Only Control. Roy, Jul 3, 2003
        1. Re: Bias in Proportional Only Control. , Jul 8, 2003
  12. Accuray 1180 Profile Manager. J. Wardlaw, Jun 30, 2003
    1. RE AccuRay 1180 Profile Manager. , Jan 2, 2004
  13. Multiple Channel FXLMS Algorithms Applied To Active Noise Control. , Jun 20, 2003
  14. BASIC STAMP2-PID REGULATOR DC MOTOR. , Jun 15, 2003
    1. fuzzy logic dc motror contorller. , Jun 25, 2004
  15. motor speed control. , Jun 5, 2003
  16. PID Fuzzy source code in Matlab. , May 21, 2003
    1. Re: PID Fuzzy source code in Matlab. , May 23, 2003
      1. please help me. , Oct 9, 2004
    2. PID. , Mar 9, 2004
    3. FLC... , May 1, 2004
    4. send my please. , Jun 6, 2004
  17. characteristics of control valves. mtmurthy, Apr 13, 2003
    1. Re:Characteristics of control valves. S Thomas, Jul 3, 2003
  18. PID source code. , Mar 15, 2003
    1. PID source code. , Apr 10, 2003
      1. PID source code. Terry Howsham, Apr 20, 2003
    2. pls help me!. , May 23, 2003
    3. Re: PID source code. , Aug 28, 2003
    4. pid source code. , Dec 19, 2003
  19. Infi90 NPM (redundant network processing module) failover. , Mar 3, 2003
    1. Just hit the stop button. , Mar 4, 2003
  20. looking for mod300 sc controller vintage boards. , Feb 27, 2003
  21. Soure code in VB for PID. , Feb 4, 2003
    1. source code in VB for PID. Terry Howsham, Apr 20, 2003
  22. Modenization of Old Power Plants. , Feb 3, 2003
  23. IZAC PI control. , Jan 30, 2003
  24. Fuzzy control of Linear Stepper Motor by 8051. , Jan 29, 2003
    1. fuzzy. , Apr 5, 2004
  25. Fuzzy control of Linear Stepper Motor by 8051. , Jan 29, 2003
    1. Help me!. , Jul 10, 2005
  26. control valves.. , Jan 29, 2003
  27. TOPOLOGY OF YOUR DCS SYSTEM. , Jan 10, 2003
    1. TOPOLOGY OF YOUR DCS SYSTEM. , Jan 16, 2003
  28. TOPOLOGY OF YOUR DCS SYSTEM. , Jan 10, 2003
  29. -ve supply from +ve supply. pavan, Jan 1, 2003
  30. Control with large lag time. JJ, Dec 28, 2002
    1. A Fast Way to Tune Slow Loops. John Gerry, Jan 11, 2003
  31. Robust control hardware design for ball and electromagnet system. , Dec 23, 2002
  32. pid control on plc. pavan, Nov 24, 2002
    1. RE: pid control on plc. , Nov 27, 2002
      1. Re: RE: pid control on plc. pavan, Nov 30, 2002
        1. RE: pid control on plc. , Nov 30, 2002
    2. PID Control on PLC. , Dec 1, 2002
      1. you. , Jan 28, 2003
      2. pid. , Sep 6, 2004
    3. pid algorithm. pavan, Dec 4, 2002
      1. What type of PLC?. , Dec 16, 2002
        1. Stuck with the PLC. pavan, Jan 1, 2003
  33. Automation workshop. , Nov 17, 2002
  34. pid with mc68332 with assembly language?. , Oct 25, 2002
  35. Dissolved Oxygen Control. , Oct 16, 2002
    1. Test and calculate. , Oct 31, 2002
  36. dc motor speed and torque control using 8051. , Oct 12, 2002
    1. dc motor speed and torque control using 8051. , Apr 20, 2003
    2. speed control DC motor. , Nov 26, 2004
      1. help me please. , May 28, 2005
  37. 8051 asm code for seven segment display. , Oct 5, 2002
    1. Re: 8051 asm code for seven segment display. , Jan 18, 2003
  38. Research On PID. Kat, Sep 27, 2002
    1. PID design. , Nov 22, 2002
  39. PID tuning. , Sep 24, 2002
    1. PID tuning methods and tools. , Oct 31, 2002
    2. PID Tuning Method. John Gerry, Jan 11, 2003
  40. Dc motrol by 8051. , Sep 21, 2002
    1. about use of mc8051 for dc motor speed control. , Mar 2, 2004
      1. answer 2 ur 8051 microcontroller problem. , Apr 3, 2005
  41. 3 phase heater control. , Sep 12, 2002
    1. More info needed. Curtis Keyes, Sep 13, 2002
    2. CE Contactor for 3-phase Heater. , Sep 18, 2002
    3. radiation. , Sep 20, 2002
    4. 3 phase contactor. justin shute, Oct 28, 2002
    5. Re: 3 phase heater control. , Oct 1, 2003
  42. 2 phase heater control. , Sep 12, 2002
  43. PI control source code in C language (for 80C196). , Aug 30, 2002
    1. request pi 80c196 pi source code. , Oct 20, 2002
    2. Re: PI control source code in C language (for 80C196). , Nov 13, 2002
      1. Code for PI controller inPIC. , Jan 28, 2004
  44. INFI90 manuals???Help!!!!. , Aug 29, 2002
    1. INFI90 Documentation. Douglas Firlotte, Sep 16, 2002
  45. Temperature and pressure control in a tubular vessel. , Aug 26, 2002
    1. Re: Temperature and pressure control in a tubular vessel. , Jan 18, 2003
      1. Further Assistance. , Apr 7, 2003
  46. Yet another PID question.. , Aug 20, 2002
    1. The Mechanical Assembly. , Aug 20, 2002
  47. determination of time constant of a 2nd order cascade system by step response. sarah, Aug 19, 2002
  48. any one knows a fast stand-alone PID controller. , Aug 15, 2002
    1. Fast PID Controller. , Sep 18, 2002
  49. Process Control using Simulink, include oscilloscope, motors, sensors and signal generator. rlarrain@hotmail.com, Aug 13, 2002
    1. M68HC11-based dc motor speed control. , Aug 18, 2002
      1. motor speed control. , May 7, 2003
    2. control a conveyor belt motor and a signal generator (output). , Nov 1, 2002
  50. definition of process control. Pat O'Connor, Aug 8, 2002
    1. services process measurement. , Jan 4, 2003
 
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