Method and System for Detecting Faults in a Process Plant
AssigneeFisher-Rosemount Systems, Inc.
InventorJohn P. Miller
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Abstract
In methods and systems that may facilitate detecting abnormal operation in a process plant, values of a plurality of process variables may be analyzed to determine whether any of a plurality of faults associated with the process plant exist. If one or more faults are detected, one or more indicators may be generated. Analyzing the values of the plurality of process variables may include utilizing a coefficient matrix. The coefficient matrix may be generated based on process variable data corresponding to the known occurrences of faults.
Claims36
A method for facilitating detection of abnormal operation of a process in a process plant, comprising:
- receiving first data corresponding to a plurality of process variables of a process plant;
- using the first data and a coefficient matrix to generate a fault observation vector;
- and
- determining whether there is abnormal operation of the process based on the fault observation vector.
A tangible medium storing machine readable instructions, the machine readable instructions capable of causing one or more machines to:
- receive data corresponding to a plurality of process variables of a process plant;
- use the first data and a coefficient matrix to generate a fault observation vector;
- and
- determine whether there is abnormal operation of the process based on the fault observation vector.
A system for facilitating detection of abnormal operation of a process in a process plant, comprising:
- a fault observation vector generator coupled to receive a coefficient matrix and process variable data associated with the process plant;
- and
- an abnormal operation detection system, coupled to the fault observation vector generator, to detect abnormal operation of the process plant based on a fault observation vector.
A method for configuring an abnormal operation detection system for a process plant, comprising:
- receiving first process variable data corresponding to the occurrences of faults of a plurality of faults of a process system in the process plant;
- generating a process variable data matrix based on the first process variable data;
- generating a fault matrix corresponding to the process variable data matrix;
- and
- generating a coefficient matrix using the process variable data matrix and the fault matrix, the coefficient matrix to be used by an abnormal operation detection system to generate indicators of faults based on process variable data received by the abnormal operation detection system.
A tangible medium storing machine readable instructions, the machine readable instructions capable of causing one or more machines to:
- receive process variable data corresponding to the occurrences of faults of a plurality of faults of a process system in the process plant;
- generate a process variable data matrix based on the process variable data;
- generate a fault matrix corresponding to the process variable data matrix;
- and
- generate a coefficient matrix using the process variable data matrix and the fault matrix, the coefficient matrix to be used by an abnormal operation detection system to generate indicators of faults based on process variable data received by the abnormal operation detection system.
A system for facilitating detection of abnormal operation of a process in a process plant, comprising:
- at least one computer readable medium;
- at least one processor coupled to the at least one computer readable medium, the processor configured according to executable instructions stored on the at least one computer readable medium to:
- receive process variable data corresponding to the occurrences of faults of a plurality of faults of a process system in the process plant;
- generate a process variable data matrix based on the process variable data;
- generate a fault matrix corresponding to the process variable data matrix;
- and
- generate a coefficient matrix using the process variable data matrix and the fault matrix, the coefficient matrix to be used by an abnormal operation detection system to generate indicators of faults based on process variable data received by the abnormal operation detection system.
Dependencies are inferred from the claim text.