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. NEEDS A GREAT PID ALGORITHM. rohit pimpley, Sep 25, 2003
    1. RE: need a great PID algorithm. John Shaw, Sep 25, 2003
  2. VoIP and Converged Applications. Prince, Sep 7, 2003
  3. PI controller + integral windup + time delay + noise. Laila Bahgat, Sep 3, 2003
    1. Re: PI controller + integral windup + time delay + noise. Prince, Sep 7, 2003
  4. Untitled. Anonymous, Aug 30, 2003
  5. sampling. Anonymous, Aug 28, 2003
    1. sampling. John Shaw, Aug 29, 2003
      1. Re: sampling. Anonymous, Aug 30, 2003
        1. Re: Re: sampling. Curtis Keyes, Aug 31, 2003
  6. S88.01- Batch Controls. Prasanna, Aug 24, 2003
  7. Can PID regulate this (newbie question)?. Petr Veit, Aug 15, 2003
    1. Maybe. John Shaw, Aug 23, 2003
      1. PI vs. ON/OFF. Petr Veit, Aug 23, 2003
        1. PI may be only option. John Shaw, Aug 23, 2003
  8. PID Code in Delphi/Pascal. Big Al, Jul 24, 2003
    1. Source Code for PID Algorithm. john gerry, Jul 27, 2003
    2. Re: PID Code. John Shaw, Aug 14, 2003
  9. can you help me?. Mr Tanyol Enver, Jul 24, 2003
  10. Level Control with a PID loop. J. Shultz, Jul 22, 2003
    1. How to Control a Level Loop. John Gerry, Jul 27, 2003
  11. Calling all PID experts: Discussions on PID Tuning. K. Ang, Jul 10, 2003
    1. PID Tuning Method. john gerry, Jul 27, 2003
  12. Factory pressed dc, ps1, ps2, dvd, xbox silvers for sale!. maxis911, Jul 3, 2003
  13. Re: Bias in Proportional Only Control. ROY, Jul 2, 2003
    1. Re: Bias in Proportional Only Control. John Shaw, 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. John Shaw, Jul 8, 2003
          1. PID control with PIC microcontroller. Anthony, Mar 6, 2010
  14. Accuray 1180 Profile Manager. J. Wardlaw, Jun 30, 2003
    1. RE AccuRay 1180 Profile Manager. Thomas L. Sekavec, Jan 2, 2004
  15. Multiple Channel FXLMS Algorithms Applied To Active Noise Control. Zachariah Taheri, Jun 20, 2003
  16. BASIC STAMP2-PID REGULATOR DC MOTOR. Al_chellini, Jun 15, 2003
    1. fuzzy logic dc motror contorller. santosh Bhandari, Jun 25, 2004
  17. motor speed control. agus Rustamaji, Jun 5, 2003
  18. PID Fuzzy source code in Matlab. Ricardo Mallen, May 21, 2003
    1. Re: PID Fuzzy source code in Matlab. John Shaw, May 23, 2003
      1. please help me. danial, Oct 9, 2004
    2. PID. nilesh, Mar 9, 2004
    3. FLC... Samar AlRayyes, May 1, 2004
    4. send my please. maher fawzi, Jun 6, 2004
  19. characteristics of control valves. mtmurthy, Apr 13, 2003
    1. Re:Characteristics of control valves. S Thomas, Jul 3, 2003
  20. PID source code. Nguyen Xuan Thinh, Mar 15, 2003
    1. PID source code. ramesh, Apr 10, 2003
      1. PID source code. Terry Howsham, Apr 20, 2003
    2. pls help me!. hoang minh, May 23, 2003
    3. Re: PID source code. Tran Binh Duong, Aug 28, 2003
    4. pid source code. prince, Dec 19, 2003
  21. Infi90 NPM (redundant network processing module) failover. walter graham, Mar 3, 2003
    1. Just hit the stop button. Curtis, Mar 4, 2003
  22. looking for mod300 sc controller vintage boards. d okay, Feb 27, 2003
  23. Soure code in VB for PID. K Li, Feb 4, 2003
    1. source code in VB for PID. Terry Howsham, Apr 20, 2003
  24. Modenization of Old Power Plants. Amirhossein, Feb 3, 2003
  25. IZAC PI control. qsilver, Jan 30, 2003
  26. Fuzzy control of Linear Stepper Motor by 8051. Abhijit Biswas, Jan 29, 2003
    1. fuzzy. vidhyasagar, Apr 5, 2004
  27. Fuzzy control of Linear Stepper Motor by 8051. Abhijit Biswas, Jan 29, 2003
    1. Help me!. Tram, Jul 10, 2005
  28. control valves.. Murthy, Jan 29, 2003
  29. TOPOLOGY OF YOUR DCS SYSTEM. MOSTAFA, Jan 10, 2003
    1. TOPOLOGY OF YOUR DCS SYSTEM. John Shaw, Jan 16, 2003
  30. TOPOLOGY OF YOUR DCS SYSTEM. MOSTAFA, Jan 10, 2003
  31. -ve supply from +ve supply. pavan, Jan 1, 2003
  32. Control with large lag time. JJ, Dec 28, 2002
    1. A Fast Way to Tune Slow Loops. John Gerry, Jan 11, 2003
  33. Robust control hardware design for ball and electromagnet system. amit, Dec 23, 2002
  34. pid control on plc. pavan, Nov 24, 2002
    1. RE: pid control on plc. John Shaw, Nov 27, 2002
      1. Re: RE: pid control on plc. pavan, Nov 30, 2002
        1. RE: pid control on plc. John Shaw, Nov 30, 2002
    2. PID Control on PLC. Sanjeev Chawla, Dec 1, 2002
      1. you. tar, Jan 28, 2003
      2. pid. ali, Sep 6, 2004
    3. pid algorithm. pavan, Dec 4, 2002
      1. What type of PLC?. Curtis Keyes, Dec 16, 2002
        1. Stuck with the PLC. pavan, Jan 1, 2003
  35. Automation workshop. Amirhossein H. Miragha, Nov 17, 2002
  36. pid with mc68332 with assembly language?. marran, Oct 25, 2002
  37. Dissolved Oxygen Control. Jag Nagendra, Oct 16, 2002
    1. Test and calculate. Hans Eder, Oct 31, 2002
  38. dc motor speed and torque control using 8051. arihant, Oct 12, 2002
    1. dc motor speed and torque control using 8051. yuan, Apr 20, 2003
    2. speed control DC motor. Debraj, Nov 26, 2004
      1. help me please. shahab, May 28, 2005
  39. 8051 asm code for seven segment display. aamir ahmad, Oct 5, 2002
    1. Re: 8051 asm code for seven segment display. BINAY KUMAR, Jan 18, 2003
  40. Research On PID. Kat, Sep 27, 2002
    1. PID design. tumprapon, Nov 22, 2002
  41. PID tuning. Khalid Faridi, Sep 24, 2002
    1. PID tuning methods and tools. Hans Eder, Oct 31, 2002
    2. PID Tuning Method. John Gerry, Jan 11, 2003
  42. Dc motrol by 8051. Dicky, Sep 21, 2002
    1. about use of mc8051 for dc motor speed control. simran, Mar 2, 2004
      1. answer 2 ur 8051 microcontroller problem. RAJ, Apr 3, 2005
  43. 3 phase heater control. Jeff Sapach, Sep 12, 2002
    1. More info needed. Curtis Keyes, Sep 13, 2002
    2. CE Contactor for 3-phase Heater. Keith Menges, Sep 18, 2002
    3. radiation. Rod Young, Sep 20, 2002
    4. 3 phase contactor. justin shute, Oct 28, 2002
    5. Re: 3 phase heater control. satish, Oct 1, 2003
  44. 2 phase heater control. Jeff Sapach, Sep 12, 2002
  45. PI control source code in C language (for 80C196). Walter, Aug 30, 2002
    1. request pi 80c196 pi source code. mohammad poury, Oct 20, 2002
    2. Re: PI control source code in C language (for 80C196). chaitanya chiluvuri, Nov 13, 2002
      1. Code for PI controller inPIC. Raji, Jan 28, 2004
  46. INFI90 manuals???Help!!!!. Sorin, Aug 29, 2002
    1. INFI90 Documentation. Douglas Firlotte, Sep 16, 2002
  47. Temperature and pressure control in a tubular vessel. Don Mohun, Aug 26, 2002
    1. Re: Temperature and pressure control in a tubular vessel. binay kumar, Jan 18, 2003
      1. Further Assistance. Alan Naidoo, Apr 7, 2003
  48. Yet another PID question.. Colin Kaminski, Aug 20, 2002
    1. The Mechanical Assembly. Colin Kaminski, Aug 20, 2002
  49. determination of time constant of a 2nd order cascade system by step response. sarah, Aug 19, 2002
  50. any one knows a fast stand-alone PID controller. Rob Snel, Aug 15, 2002
    1. Fast PID Controller. Keith Menges, Sep 18, 2002
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