PLANT CONTROL APPARATUS
First Claim
1. A plant control apparatus having operation signal generating unit for calculating an operation signal to be supplied to a plant by using a measurement signal representative of a running state amount of the plant, comprising:
- a measurement signal database for storing a past measurement signal;
an operation signal database for storing a past operation signal;
numerical value analysis executing unit for analyzing running characteristics of the plant;
a numerical value analysis result database for storing numerical analysis results obtained by operating said numerical analysis executing unit;
a model for estimating a value of a measurement signal obtained when an operation signal is applied to the plant, by using information in said numerical value analysis result database;
learning unit for learning a plant operation method by using said model;
a learning information database for storing learning information obtained by said learning unit;
a control logic database for storing information to be used by said operation signal generating unit when an operation signal is derived;
a knowledge database for storing knowledge regarding the running characteristics of the plant;
analyzing unit for processing information in said numerical value analysis result database, by using information in said knowledge database, said learning information database, said operation signal database and said measurement signal database; and
an analysis result database for storing an analysis result by said analyzing unit,wherein said analyzing unit includes at least one of learning base analyzing unit for evaluating adequacy of the operation method learnt by said learning unit, signal analyzing unit for evaluating an effect obtained if the operation signal is applied to the plant and presence/absence of an abnormal measurement signal, and knowledge database updating unit for adding information to or correcting information in, said knowledge database.
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Accused Products
Abstract
A plant control apparatus has a measurement signal DB, an operation signal DB, a numerical value analysis executing unit, a numerical value analysis result DB, a model for estimating a value of a measurement signal for an operation signal, learning unit using the model, a learning information DB, a control logic DB for information used by an operation signal generating unit, a knowledge DB for plant running characteristics, and an analyzing unit processing information in the numerical value analysis result DB by information in the knowledge DB, learning information DB, operation signal DB, and measurement signal DB, wherein the analyzing unit includes at least one of a learning base analyzing unit checking adequacy of an operation method, a signal analyzing unit for evaluating an effect of the operation signal upon the plant and presence/absence of an abnormal signal, and a knowledge DB updating unit correcting information in the knowledge DB.
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Citations
20 Claims
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1. A plant control apparatus having operation signal generating unit for calculating an operation signal to be supplied to a plant by using a measurement signal representative of a running state amount of the plant, comprising:
- a measurement signal database for storing a past measurement signal;
an operation signal database for storing a past operation signal;
numerical value analysis executing unit for analyzing running characteristics of the plant;
a numerical value analysis result database for storing numerical analysis results obtained by operating said numerical analysis executing unit;
a model for estimating a value of a measurement signal obtained when an operation signal is applied to the plant, by using information in said numerical value analysis result database;
learning unit for learning a plant operation method by using said model;
a learning information database for storing learning information obtained by said learning unit;
a control logic database for storing information to be used by said operation signal generating unit when an operation signal is derived;
a knowledge database for storing knowledge regarding the running characteristics of the plant;
analyzing unit for processing information in said numerical value analysis result database, by using information in said knowledge database, said learning information database, said operation signal database and said measurement signal database; and
an analysis result database for storing an analysis result by said analyzing unit,wherein said analyzing unit includes at least one of learning base analyzing unit for evaluating adequacy of the operation method learnt by said learning unit, signal analyzing unit for evaluating an effect obtained if the operation signal is applied to the plant and presence/absence of an abnormal measurement signal, and knowledge database updating unit for adding information to or correcting information in, said knowledge database. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
- a measurement signal database for storing a past measurement signal;
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10. A plant control apparatus having operation signal generating unit for calculating an operation signal to be supplied to a plant by using a measurement signal representative of a running state amount of the plant, comprising:
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numerical value analysis executing unit for calculating a numerical value representative of characteristics of the plant; learning unit for learning for learning a method of generating the operation signal to make the plant have a desired running state, by using a model configured in accordance with a numerical value analysis result by said numerical value analysis executing unit; and analyzing unit for analyzing an effect of changing the operation signal in accordance with a learning result, in accordance with said numerical value.
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11. A control apparatus for a plant having a boiler comprising:
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stream line data calculating unit for learning a relation between input data and output data by using a numerical analysis result including at least a gas flow phenomenon occurring in the boiler, and by using, as the input data, at least a fuel flow rate and an air flow rate supplied to burners and an air flow rate supplied to air supply ports other than the burners, and by using, as the output data, position data of a stream line representing a locus of a gas flow supplied from said burners and said air supply ports; stream line drawing unit for receiving the stream line position data output from said stream line data calculating unit, and executing a calculation process for drawing the stream line on a display screen as an image; and image displaying unit for displaying the stream line of gas supplied from said burners and said air supply ports and visualized by said stream line drawing unit. - View Dependent Claims (12, 13, 14, 15, 16, 17, 19)
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18. A control apparatus for a plant having a boiler comprising:
image display unit for displaying a stream line representative of a locus of a gas flow supplied from burners and air support ports other than the burners on a screen, by using a numerical value analysis result including at least a gas flow phenomenon occurring in the boiler.
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20. An operator training apparatus for a plant having a boiler, comprising:
phenomenon visualizing unit for visualizing a phenomenon in the boiler to display a relation between a control operation and the phenomenon in the boiler; and
image display unit for the relation visualized by said phenomenon visualizing unit on a screen,wherein said phenomenon visualizing unit comprises;
stream line data calculating unit for learning a relation between input data and output data by using a numerical analysis result including at least a gas flow phenomenon occurring in the boiler, and by using, as the input data, at least a fuel flow rate and an air flow rate supplied to burners and an air flow rate supplied to air supply ports other than the burners, and by using, as the output data, position data of a stream line representing a locus of a gas flow supplied from said burners and said air supply ports;
stream line drawing unit for receiving the stream line position data output from said stream line data calculating unit, and executing a calculation process for drawing the stream line on a display screen as an image; and
image displaying unit for displaying the stream line of gas supplied from said burners and said air supply ports and visualized by said stream line drawing unit, and wherein a stream line of the gas supplied from said burners and said air supply ports and visualized by said stream line drawing unit is displayed on the screen of said image displaying unit.
Specification