Patent ID: 9133959
Filing Date: 2015-09-15
Classification: F16K,Y10T

Abstract:
1. A method associated with a valve package having a process valve, an actuator and a controller, the method comprising: obtaining a baseline signature corresponding to moving the valve from a first position to a second position and including a first baseline section, a second baseline section, and a third baseline section; obtaining a plurality of operating signatures associated with the baseline signature and each obtained operating signature including a first operating section, a second operating section, and a third operating section, a single operating signature of the plurality of operating signatures obtained each time the valve moves from the first position to the second position; comparing each obtained operating signature to the baseline signature; determining if the first operating section of each obtained operating signature is within a first acceptable range from the first baseline section; and determining if the third operating section of each obtained operating signature is within a second acceptable range from the third baseline section.