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Multivariable process trend display and methods regarding same

  • US 6,577,323 B1
  • Filed: 07/01/1999
  • Issued: 06/10/2003
  • Est. Priority Date: 07/01/1999
  • Status: Expired due to Term
First Claim
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1. A system to provide real-time process information to a user for a multivariable process performed at a process plant, wherein the multivariable process is operable under control of a plurality of process variables, the system comprising:

  • a controller operable to control one or more of the plurality of process variables and provide data representative of such process variables; and

    a graphical user interface receiving data representative of the process variables from the controller to display on a single display screen a plurality of display regions, the plurality of display regions including;

    an overview trend display region to display one or more trend shape elements, wherein each of the trend shape elements corresponds to at least one process variable of the plurality of process variables and is representative of historical data for the corresponding process variable, and a process variable detail display region to display a graphical representation of details associated with a selected process variable of the plurality of process variables selected by a user via a user input device, wherein the user input device is operable under control of the user to interact with at least one of the one or more trend shape elements of the overview trend display region to select a process variable, and further wherein such selection of a process variable allows the user to navigate to details associated with the selected process variable and display the details associated with the selected process variable in the process variable detail display region on the single display screen with the overview trend display region.

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