Apparatus and method for operating a valve using a cushion...

Details Apparatus and method for operating a valve using a cushion... Apparatus and method for operating a valve using a cushion...

2007-01-02

2007-01-02

Lee, Kevin (Department: 3753)

Fluid handling

Processes

Involving pressure control

C137S392000, C137S487500, C700S282000

Reexamination Certificate

active

10719092

ABSTRACT:
A method, system, and computer program are provided for operating a valve using a cushion filter. The method, system, and computer program receive a process variable signal associated with operation of a valve. The method, system, and computer program filter the process variable signal to produce a filtered process variable signal using a cushion filter. The cushion filter implements a cushion in a bias used by the cushion filter. The method, system, and computer program generate an output signal for adjusting the valve based at least partially on the filtered process variable signal.

REFERENCES:
patent: 6272401 (2001-08-01), Boger et al.

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