Distributed Proportional/Integral/Derivative Tuning
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United States of America Patent
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Issued Date -
Aug 23, 2012
app pub date -
Feb 17, 2011
filing date -
Feb 17, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system and method for implementing a Proportional/Integral/Derivative (PID) tuning cycle in a distributed control system comprising a PID block on a field device collecting loop characteristics of a control loop. The PID block may communicate the collected loop characteristics from the field device to a host computer in the distributed control system. The host computer may calculate a new tuning constant based on the received loop characteristics and communicate the new tuning constant to the PID block on the field device. The PID block on the field device may receive the new tuning constant for the PID block from the host computer. The PID block on the field device may be tuned with the new tuning constant.
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