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.
Post a messageSearchJohn Shaw's Page
  1. PID Emulation Code. Frank Burzler, Jul 7, 2000
    1. See John's remarks to me, I wish his example was updated too.. Sean Cleary, Jul 7, 2000
    2. Initialization. John Shaw, Jul 7, 2000
  2. PI of PID software posted for free. Real working copy.. Sean Cleary., Jul 6, 2000
    1. Hand tuning lessons. Sean Cleary., Jul 6, 2000
    2. More hand tuning lessons. Sean Cleary, Jul 10, 2000
    3. Update to software, July 18th. Sean Cleary, Jul 18, 2000
      1. RE: Update to software, July 18th - Thanks. John Shaw, Jul 19, 2000
  3. PI Control?. Begintuningman, Jun 28, 2000
    1. PI and PID Controller Tuning. Danyang Liu, Jun 29, 2000
    2. PI Control. Malvern Jones, Jun 29, 2000
    3. RE: PI Control?. John Shaw, Jul 4, 2000
  4. PD controller. Jad, Jun 28, 2000
  5. Variable sampling rate blues. Sean Cleary, Jun 27, 2000
    1. RE: Variable sampling rate blues. John Shaw, Jul 4, 2000
  6. John Shaw's code example. John \\\"Sean\\\" Cleary, Jun 26, 2000
    1. John Shaw's code example, furthermore. John \"Sean\" Cleary, Jun 26, 2000
      1. Re: John Shaw's code example, furthermore. Henrik, Mar 18, 2002
    2. RE: John Shaw's code example. John Shaw, Jul 4, 2000
  7. Collective Computing. CRASH895, Jun 24, 2000
  8. PID component ... Where?. F. Agut, Jun 23, 2000
  9. US Data Factory Link Design. Barry Lyons, May 2, 2000
  10. ADVANCED CONTROL. J. CUEVAS, Apr 18, 2000
    1. advanced control strategies. Prashant N. Mhatre, Jun 1, 2000
  11. Level control with ultrasonic sensors. Carlos R., Mar 23, 2000
    1. book name for your problem. vishvjit, Mar 27, 2000
  12. Digital PID for pressure regulator. Peter Betts, Mar 22, 2000
    1. Digital PID for pressure regulator. Daniel Bingamon, May 10, 2000
    2. PID control for on/off control. Malvern Jones, Jun 29, 2000
    3. Software can do it. Sean Cleary, Jul 28, 2000
  13. Can you help me. dave, Mar 20, 2000
    1. RE: Can you help me. John Shaw, Mar 20, 2000
  14. Overshoot suppressor. Paolo, Mar 16, 2000
    1. RE: Overshoot suppressor. Jon Shaw, Mar 18, 2000
    2. yokogawa. Celal Samyeli, Jan 27, 2003
  15. Free PI and PID Tuning Software for Evaluation. Danyang Liu, Mar 14, 2000
    1. Important features of PI and PID Tuner "BESTune". Anonymous, Mar 24, 2000
    2. Can not download besttune. John "Sean" Cleary, Jun 26, 2000
      1. Untitled. Anonymous, Jun 29, 2000
      2. Two steps to download BESTune. Danyang Liu, Jun 29, 2000
        1. The real best way to down load it. Sean Cleary, Jul 28, 2000
          1. Correction. Danyang Liu, Aug 8, 2000
            1. How to assess the performance of your PID controller?. Danyang Liu, Aug 11, 2000
  16. Using PID for a SCR heater controller. Carlos Barberis, Mar 11, 2000
    1. RE:Using PID for a SCR heater controller. John Shaw, Mar 18, 2000
      1. PWM from 4-20mA. kevin, Jul 9, 2000
    2. timing control via PID. Rick Cutright, Jun 21, 2000
    3. Using PID for a SCR heater controller. Malvern Jones, Jun 29, 2000
  17. Generic Function to convert transfer function matrix to state-space. Prashant N. Mhatre, Feb 29, 2000
    1. Matlab Files. Miek Venter, Apr 1, 2000
      1. help. alireza, Apr 24, 2003
  18. I need websites for 1)ABB MOD300 literature and 2)Inst Projects. dnrao, Feb 21, 2000
    1. RE: I need websites for 1)ABB MOD300 literature and 2)Inst Projects. John Shaw, Feb 27, 2000
  19. ABB MOD300. dnrao, Feb 21, 2000
  20. Fuzzy Control based on McVicars Whelan Table. Vinod C, Feb 17, 2000
    1. RE: We have heard that fuzzy controls can be implemented based on McVicars Whelan Table for PLCs. John Shaw, Feb 17, 2000
  21. PID Stall. Rive, Jan 11, 2000
    1. PID Stall. John Shaw, Jan 13, 2000
      1. More Info and Thanks. Rive, Jan 17, 2000
        1. PID zeroed? Try linearization. Interpolation code follows.. Sleepy Sean Cleary, Jul 19, 2000
          1. PID support function, next code part, ref'd code used here.. Sleepy Sean Cleary, Jul 19, 2000
  22. Open loop settings. Lloyd Wright, Dec 27, 1999
    1. Open loop settings. John Shaw, Dec 31, 1999
      1. Open loop testing. Malvern Jones, Jun 29, 2000
  23. Ladder Logic. Prashant, Dec 26, 1999
    1. Ladder Logic. John Shaw, Dec 31, 1999
    2. i need your help. P.SELVAKUMAR, Jan 10, 2000
      1. Untitled. Prashant, Jan 21, 2000
        1. Fuzzy algorithm. Sara, Jan 31, 2000
          1. Re: Fuzzy algorithm. John Shaw, Jan 31, 2000
          2. Fuzzy control. Prashant N. Mhatre, Jan 31, 2000
            1. Thank you, there were several good articles there. Sean Cleary., Jul 6, 2000
  24. Multi-Loop Mitigation and Control. F. Forsey, Dec 14, 1999
    1. Re: Multi-Loop Mitigation and Control. John Shaw, Dec 15, 1999
      1. Override control. R.Poirier, Apr 30, 2000
        1. RE:Override control. John Shaw, Apr 30, 2000
          1. Override control. R.Poirier, Apr 30, 2000
            1. RE: Override control. John Shaw, Apr 30, 2000
    2. Multi-Loop Mitigation and Control. Malvern Jones, Jun 29, 2000
  25. PID Demo Software. Michael Doherty, Nov 22, 1999
    1. RE:PID Demo Software. John Shaw, Nov 25, 1999
    2. PID Demo Software. Prashant, Dec 26, 1999
    3. Re: PID Demo Software. Manish Sinha, Feb 21, 2000
    4. PID modelling by Excell. Oleg Kaliberda, Aug 18, 2000
  26. How do I simulate a heater?. Gia, Nov 21, 1999
    1. RE: How do I simulate a heater?. John Shaw, Nov 21, 1999
      1. How do I simulate a heater. Gia, Nov 23, 1999
  27. Lost Messages. John Shaw, Nov 3, 1999
    1. Lost msg. Sven Niedrig, Nov 22, 1999
  28. MPC Tuning. Prashant N. Mhatre, Oct 23, 1999
    1. RE: MPC Tuning. John Shaw, Nov 3, 1999
      1. MPC Tuning. Bala Dutt, Dec 4, 1999
        1. Re: Bala. Sandeep, Jan 11, 2001
      2. MPC Tuning. Christopher, Mar 24, 2000
    2. links to a reference, Smith Predictor. Sean Cleary, Jul 26, 2000
    3. Kalman predictive control.. Sean Cleary, Aug 8, 2000
  29. Can PID be used as on-off controller?. Prashant, Oct 5, 1999
    1. PID on-off. Jorge Carranza, Nov 3, 1999
      1. Please.... Sven Niedrig, Nov 22, 1999
      2. Translation. John Shaw, Nov 25, 1999
    2. Can PID be used as on-off controller?. Malvern Jones, Jun 29, 2000
  30. www.globalspec.com. Jennifer, Sep 8, 1999
  31. Which is better PLC or DCS. Fred Brown, Sep 8, 1999
    1. Untitled. Anonymous, Sep 30, 1999
    2. Sobre DCS. Jorge Carranza, Nov 3, 1999
      1. Translation. John Shaw, Nov 3, 1999
  32. Smallest automatic valves for reagent adition. Julio Palomino, Sep 7, 1999
    1. RE:Smallest automatic valves for reagent adition. John Shaw, Sep 9, 1999
      1. Small valves. kevin, Jul 9, 2000
        1. small valves. Malvern Jones, Jul 18, 2000
          1. small flow valves. Alan Hooker, Sep 26, 2000
            1. REAGENT ADDITION AT CONCENTRATOR. Julio Palomino, Mar 3, 2001
  33. 4-20 mA loops. John Perry, Aug 31, 1999
    1. RE: 4-20 mA loops. John Shaw, Sep 3, 1999
  34. Welcome. johnshaw, Aug 25, 1999
    1. RE: Welcome. Donald, Aug 27, 1999
      1. Glad to have you, Don. John Shaw, Aug 28, 1999
    2. Hello. Daniel Bingamon, Feb 9, 2000
    3. Please help me with your PID code example. John \"Sean\" Cleary, Jun 26, 2000
      1. RE: Please help me with your PID code example. John Shaw, Jul 8, 2000
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