Invention Grant
US08538561B2 Method and system to estimate variables in an integrated gasification combined cycle (IGCC) plant
有权
综合气化联合循环(IGCC)工厂估算变量的方法和系统
- Patent Title: Method and system to estimate variables in an integrated gasification combined cycle (IGCC) plant
- Patent Title (中): 综合气化联合循环(IGCC)工厂估算变量的方法和系统
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Application No.: US13053690Application Date: 2011-03-22
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Publication No.: US08538561B2Publication Date: 2013-09-17
- Inventor: Aditya Kumar , Ruijie Shi , Mustafa Dokucu
- Applicant: Aditya Kumar , Ruijie Shi , Mustafa Dokucu
- Applicant Address: US NY Niskayuna
- Assignee: General Electric Company
- Current Assignee: General Electric Company
- Current Assignee Address: US NY Niskayuna
- Agent Ann M. Agosti
- Main IPC: G05B13/04
- IPC: G05B13/04

Abstract:
System and method to estimate variables in an integrated gasification combined cycle (IGCC) plant are provided. The system includes a sensor suite to measure respective plant input and output variables. An extended Kalman filter (EKF) receives sensed plant input variables and includes a dynamic model to generate a plurality of plant state estimates and a covariance matrix for the state estimates. A preemptive-constraining processor is configured to preemptively constrain the state estimates and covariance matrix to be free of constraint violations. A measurement-correction processor may be configured to correct constrained state estimates and a constrained covariance matrix based on processing of sensed plant output variables. The measurement-correction processor is coupled to update the dynamic model with corrected state estimates and a corrected covariance matrix. The updated dynamic model may be configured to estimate values for at least one plant variable not originally sensed by the sensor suite.
Public/Granted literature
- US20120245747A1 Method and System To Estimate Variables In An Integrated Gasification Combined Cycle (IGCC) Plant Public/Granted day:2012-09-27
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