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Lead-lag input filter arrangement for electro-pneumatic control loops

  • US 20070162214A1
  • Filed: 10/20/2005
  • Published: 07/12/2007
  • Est. Priority Date: 10/20/2004
  • Status: Active Grant
First Claim
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1. A method for controlling a process parameter of a control loop comprising:

  • providing a reference control signal at an input to a control loop;

    providing a lead-lag filter in communication with the control signal;

    providing a user interface in operable communication with the lead-lag filter, said user interface facilitating remote manipulation of a ratio of lead-to-lag produced by the lead-lag filter; and

    operating the user interface to remotely manipulate the ratio of lead-to-lag of the lead-lag filter to produce an alteration in the process parameter to be controlled.

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