AUTOMATIC CONTROL LOOP MONITORING AND DIAGNOSTICS
If you would like to know more about this technology, please contact one of the following Paprican staff members:
Countries |
Status |
Issued |
Issue # |
US |
Issued |
11/17/1998 |
5838561 |
EP/DE/ES/FI/FR/SE, |
Issued |
6/26/2002 |
0 907 913 B1 |
CA |
Issued |
12/19/2000 |
2252868 |
| PATENT ABSTRACT [Paprican Ref. No. 4124] |
A method of diagnosing a malfunction of a process control system which includes at least one closed loop control loop comprising measuring a histogram of tracking error of the control loop, determining distortion of the tracking error relative to a Gaussian distribution, and indicating a malfunction in the process in the event a deviation from the Gaussian distribution of the tracking error exceeds predetermined limits. |
Available Electronic Files(s) in the language of patent filed:
