Process plant monitoring based on multivariate statistical analysis and on-line process simulation
First Claim
1. A system for on-line monitoring of operation of a process in a process plant having a process control system to control the process in connection with process measurements indicative of the operation of the process, the system comprising:
- a process simulation module to model a plurality of physical devices within the process plant for generation of model data indicative of a simulated representation of the operation of the process;
an analysis module to implement a multivariate statistical analysis of the operation of the process based on the model data and the process measurements;
one or more computer-readable media to store respective configurations of the process simulation module and the analysis module; and
, one or more computer-executable execution engines for implementation of the respective configurations of the process simulation module and the analysis module to enable the on-line monitoring of the process based on communications with the process control system during the operation of the process.
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Abstract
Disclosed are systems and methods for on-line monitoring of operation of a process in connection with process measurements indicative of the operation of the process. In some cases, the operation of the process is simulated to generate model data indicative of a simulated representation of the operation of the process and based on the process measurements. A multivariate statistical analysis of the operation of the process is implemented based on the model data and the process measurements. The output data from the multivariate statistical analysis may then be evaluated during the operation of the process to enable the on-line monitoring of the process involving, for instance, fault detection via classification analysis of the output data.
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Citations
30 Claims
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1. A system for on-line monitoring of operation of a process in a process plant having a process control system to control the process in connection with process measurements indicative of the operation of the process, the system comprising:
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a process simulation module to model a plurality of physical devices within the process plant for generation of model data indicative of a simulated representation of the operation of the process;
an analysis module to implement a multivariate statistical analysis of the operation of the process based on the model data and the process measurements;
one or more computer-readable media to store respective configurations of the process simulation module and the analysis module; and
,one or more computer-executable execution engines for implementation of the respective configurations of the process simulation module and the analysis module to enable the on-line monitoring of the process based on communications with the process control system during the operation of the process. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method for on-line monitoring of operation of a process in connection with process measurements indicative of the operation of the process, the method comprising the steps of:
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simulating the operation of the process to generate model data indicative of a simulated representation of the operation of the process and based on the process measurements;
implementing a multivariate statistical analysis of the operation of the process based on the model data and the process measurements; and
,evaluating output data from the multivariate statistical analysis during the operation of the process to enable the on-line monitoring of the process. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23)
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24. A method for on-line monitoring of operation of a process in a process plant having a process control system to control the process in connection with process measurements indicative of the operation of the process, the method comprising the steps of:
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executing a control routine via the process control system to generate a process parameter based on the process measurements;
implementing a multivariate statistical analysis of the operation of the process to generate statistical data based on the process parameter and the process measurements;
evaluating the statistical data from the multivariate statistical analysis during the operation of the process for a determination of whether a fault condition exists; and
,generating a user interface display of a process graphic to enable the on-line monitoring of the process by depicting the fault condition determination in connection with a plurality of physical devices within the process plant. - View Dependent Claims (25, 26, 27, 28, 29, 30)
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Specification