EP0421793A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Method of control rule generation and method of fuzzy control using the same, and apparatus for automatic control rule generation and fuzzy control apparatus using the same
Assignee: Hitachi Ltd
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Filing: 1990-10-04
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Granted: —
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Expires: 2010-10-04
Abstract
Abstract A method and apparatus for generating a control rule for controlling a control object (30) which is controlled in accordance with operational information and a method and apparatus of fuzzy control which is based on the control rule generation method are designed to acquire measured information provided by measuring means (51, 53, 55) equipped in the control object for measuring a state of the control object, acquire operational information of the operation which has been implemented for the control object at the time of acquisition of the measured information, and generate a control rule of operational information for measured information on the basis of the acquired measured information and operational information.
Inventors
- 👤 Hiroyuki Yagi
- 👤 Takao Watanabe
- 👤 Takahide Kawasaki
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 18:49
CPC Classifications
G; G06; G06N; G06N5/00; G06N5/04; G06N5/048; G05; G05B; G05B13/00; G05B13/02; G05B13/0265; G05B13/0275; G06N5/02; G06N5/022; Y; Y10; Y10S; Y10S706/00; Y10S706/90
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
99 words
A method of generating a control rule for controlling a control object which is controlled in accordance with operational information, said method comprising: a step (500) of acquiring measured information provided by measuring means equipped in said control object for measuring a state of said control object; a step (500) of acquiring operational information of the operation which has been implemented for said control object at the time of acquisition of said measured information; and a step (502-508) of generating a control rule of operation for measured information on the basis of the acquired measured information and operational information.
Claim 2
Independent Claim
99 words
A method of generating a control rule for controlling a control object which is controlled in accordance with operational information, said method comprising: a step (500) of acquiring measured information provided by measuring means equipped in said control object for measuring a state of said control object; a step (500) of acquiring operational information of the operation which has been implemented for said control object at the time of acquisition of said measured information; and a step (502-508) of generating a control rule of operation for measured information on the basis of the acquired measured information and operational information.
Claim 3
Independent Claim
104 words
A method of generating a control rule for controlling a control object which is controlled in accordance with a control value, said method comprising: a step (500) of acquiring a measured value provided by measuring means equipped in said control object for measuring a state of said control object; a step (500) of acquiring a control value of the operation which has been implemented for main control object at the time of acquisition of said measured value; and a step (502-508) of generating a control rule of control value for a measured value on the basis of the acquired measured value and control value.
Claim 4
Independent Claim
104 words
A method of generating a control rule for controlling a control object which is controlled in accordance with a control value, said method comprising: a step (500) of acquiring a measured value provided by measuring means equipped in said control object for measuring a state of said control object; a step (500) of acquiring a control value of the operation which has been implemented for main control object at the time of acquisition of said measured value; and a step (502-508) of generating a control rule of control value for a measured value on the basis of the acquired measured value and control value.
Claim 5
Dependent Claim
83 words
A method of control rule generation according to claim 2, wherein said step of control rule generation comprises: a first step (502) of calculating the degree of correlation between a measured value and a control value of the operation which has been implemented at the time of acquisition of said measured value; and a second step (504-508) of generating a control rule of control value for said measured value when said degree of correlation is greater than or equal to a prescribed value.
Claim 6
Dependent Claim
61 words
A method of control rule generation according to claim 3, wherein said second step calculates a regression line or regression curve which indicates the relation between control values and measured values when said degree of correlation is greater than or equal to a prescribed value, and generates a control rule for said control object from said regression line or regression curve.
Claim 7
Dependent Claim
115 words
A method of control rule generation according to claim 2, wherein said step of control rule generation comprises: a step (502) of calculating the deviation of said measured value from a normal value of measured value; a step (502) of calculating the amount of change in the control value of the operation implemented at the time of acquisition of said measured value relative to a control value in the past; a step (502) of calculating the correlation coefficient between said deviation and said amount of change; and a step (504-508) of generating a control rule of control value for said measured value when said correlation coefficient is greater than or equal to a prescribed value.
Claim 8
Independent Claim
132 words
An apparatus for generating a control rule for controlling a control object which is controlled in accordance with operational information, said apparatus comprising: measured information input means (52, 54, 56) which introduces measured information provided by measuring means (51, 53, 55) equipped in said control object for measuring a state of said control object; operational information input means (62) which introduces operational information of the operation implemented for said control object at the time of measurement of said measured information; memory means (43) which stores, in a correspondent manner, said measured information and said operational information introduced by said input means; and rule generation means (46) which generates a control rule of operational information for measured information on the basis of said measured information and operational information stored in said memory means.
Claim 9
Independent Claim
132 words
An apparatus for generating a control rule for controlling a control object which is controlled in accordance with operational information, said apparatus comprising: measured information input means (52, 54, 56) which introduces measured information provided by measuring means (51, 53, 55) equipped in said control object for measuring a state of said control object; operational information input means (62) which introduces operational information of the operation implemented for said control object at the time of measurement of said measured information; memory means (43) which stores, in a correspondent manner, said measured information and said operational information introduced by said input means; and rule generation means (46) which generates a control rule of operational information for measured information on the basis of said measured information and operational information stored in said memory means.
Claim 10
Independent Claim
136 words
An apparatus for generating a control rule for controlling a control object which is controlled in accordance with a control value, said apparatus comprising: measured value input means (52, 54, 56) which introduces a measured value provided by measuring means (51, 53, 55) equipped in said control object for measuring a state of said control object; control value input means (62) which introduces a control value of the operation implemented for said control object at the time of measurement of said measured value; memory means (43) which stores, in a correspondent manner, said measured value and said control value introduced by said input means; and rule generation means (46) which generates a control rule of control value for a measured value on the basis of said measured value and control value stored in said memory means.
Claim 11
Independent Claim
136 words
An apparatus for generating a control rule for controlling a control object which is controlled in accordance with a control value, said apparatus comprising: measured value input means (52, 54, 56) which introduces a measured value provided by measuring means (51, 53, 55) equipped in said control object for measuring a state of said control object; control value input means (62) which introduces a control value of the operation implemented for said control object at the time of measurement of said measured value; memory means (43) which stores, in a correspondent manner, said measured value and said control value introduced by said input means; and rule generation means (46) which generates a control rule of control value for a measured value on the basis of said measured value and control value stored in said memory means.
Claim 12
Dependent Claim
61 words
An apparatus of control rule generation according to claim 7, wherein said rule generation means (46) comprises means which implements a statistical process for the measured value and control value stored in said memory means to form an equation between the measured value and control value, and generates a control rule for said control object on the basis of said equation.
Claim 13
Dependent Claim
78 words
An apparatus of control rule generation according to claim 7, wherein said rule generation means (46) comprises: first means which calculates the degree of correlation between said measured value and a control value of the operation which has been implemented at the time of acquisition of said measured value; and second means which generates a control rule of control value for said measured value when said degree of correlation is greater than or equal to a prescribed value.
Claim 14
Dependent Claim
76 words
An apparatus of control rule generation according to claim 9, wherein said second means (46) comprises means which implements a statistical process for the measured value and control value when said degree of correlation is greater than or equal to a prescribed value thereby to obtain a regression line or regression curve indicative of the relation thereof, and generates a control rule for said control object on the basis of said regression line or regression curve.
Claim 15
Dependent Claim
105 words
An apparatus of control rule generation according to claim 9, wherein said second means (46) comprises: means of calculating the deviation of said measured value from a normal value of measured value; means of calculating the amount of change in the control value of the operation implemented at the time of acquisition of said measured value relative to a control value in the past; means of calculating the correlation coefficient between said deviation and said amount of change; and means of generating a control rule of control value for said measured value when said correlation coefficient is greater than or equal to a prescribed value.
Claim 16
Independent Claim
183 words
A method of generating a control rule for controlling a control object which is controlled in accordance with a control value, said method comprising: a step (500) of acquiring a plurality of kinds of measured values provided by measuring means equipped in said control object for measuring a plurality of states of said control object; a step (500) of acquiring control values of the operation which has been implemented for said control object at the time of acquisition of said measured values; a step of storing, in a correspondent manner, said measured values and control values in a memory means (43); a first step (502) of calculating the degrees of correlation between measured values and a control value of the operation which has been implemented at the time of acquisition of said measured values; and a step (504-508) of calculating regression lines or regression curves which indicate the relations between control values and measured values having the degree of correlation greater than or equal to a prescribed value, and generating control rules for said control object from said regression lines or regression curves.
Claim 17
Independent Claim
183 words
A method of generating a control rule for controlling a control object which is controlled in accordance with a control value, said method comprising: a step (500) of acquiring a plurality of kinds of measured values provided by measuring means equipped in said control object for measuring a plurality of states of said control object; a step (500) of acquiring control values of the operation which has been implemented for said control object at the time of acquisition of said measured values; a step of storing, in a correspondent manner, said measured values and control values in a memory means (43); a first step (502) of calculating the degrees of correlation between measured values and a control value of the operation which has been implemented at the time of acquisition of said measured values; and a step (504-508) of calculating regression lines or regression curves which indicate the relations between control values and measured values having the degree of correlation greater than or equal to a prescribed value, and generating control rules for said control object from said regression lines or regression curves.
Claim 18
Independent Claim
212 words
An apparatus for generating a control rule for controlling a control object which is controlled in accordance with a control value, said apparatus comprising: measured value input means (52, 54, 56) which introduces a plurality of measured values provided by a plurality of measuring means (51, 53, 55) equipped in said control object for measuring a plurality of states of said control object; control value input means (62) which introduces control values of the operation which has been implemented for said control object at the time of measurement of said measured values; memory means (43) which stores, in a correspondent manner, said measured values and said control values introduced by said input means; means (46) of calculating, for each kind of measured value stored in said memory means, the degree of correlation between said measured values and control values of the operation which has been implemented at the time of acquisition of said measured values; and rule generation means (46) which implements a statistical process for the measured values and control values having the degree of correlation greater than or equal to a prescribed value, thereby to obtain regression lines or regression curves indicative of relations therebetween, and generates control rules for said control object from said regression lines or regression curves.
Claim 19
Independent Claim
212 words
An apparatus for generating a control rule for controlling a control object which is controlled in accordance with a control value, said apparatus comprising: measured value input means (52, 54, 56) which introduces a plurality of measured values provided by a plurality of measuring means (51, 53, 55) equipped in said control object for measuring a plurality of states of said control object; control value input means (62) which introduces control values of the operation which has been implemented for said control object at the time of measurement of said measured values; memory means (43) which stores, in a correspondent manner, said measured values and said control values introduced by said input means; means (46) of calculating, for each kind of measured value stored in said memory means, the degree of correlation between said measured values and control values of the operation which has been implemented at the time of acquisition of said measured values; and rule generation means (46) which implements a statistical process for the measured values and control values having the degree of correlation greater than or equal to a prescribed value, thereby to obtain regression lines or regression curves indicative of relations therebetween, and generates control rules for said control object from said regression lines or regression curves.
Claim 20
Dependent Claim
124 words
A method of fuzzy control which controls a control object by using the control rules for a plurality of kinds of measured values generated in the automatic control rule generation method set forth in claim 12, said method comprising: a step (706) of assessing the reliability of a control value which corresponds to a kind of measured value on the basis of a regression line or regression curve; a step (706) of assessing the reliability of a control value which corresponds to another kind of measured value on the basis of another regression line or regression curve; and a step (706, 708) of operating said control object with a control value which is a weighted average value of the reliabilities of said control values.
Claim 21
Dependent Claim
115 words
An apparatus of fuzzy control which controls a control object by using the control rules generated by the automatic control rule generation apparatus set forth in claim 13, said apparatus comprising: means (21) of assessing the reliability of a control value which corresponds to a kind of measured value on the basis of a regression line or regression curve and assessing the reliability of a control value which corresponds to another kind of measured value on the basis of another regression line or regression curve; and means (21, 16) which provides said control object with a control signal of a control value which is a weighted average value of the reliabilities of said control values.
Claim 22
Independent Claim
126 words
A method of fuzzy control which controls a control object by using a control rule for controlling said control object which is controlled in accordance with operational information, said method comprising: a step (500) of acquiring measured information provided by measuring means equipped in said control object for measuring a state of said control object; a step (500) of acquiring operational information of the operation which has been implemented for said control object at the time of acquisition of said measured information; and a step (502-508) of generating a control rule of operation for measured information on the basis of the acquired measured information and operational information; and a step (702-708) of obtaining operational information from measured information on the basis of the generated control rule.
Claim 23
Independent Claim
126 words
A method of fuzzy control which controls a control object by using a control rule for controlling said control object which is controlled in accordance with operational information, said method comprising: a step (500) of acquiring measured information provided by measuring means equipped in said control object for measuring a state of said control object; a step (500) of acquiring operational information of the operation which has been implemented for said control object at the time of acquisition of said measured information; and a step (502-508) of generating a control rule of operation for measured information on the basis of the acquired measured information and operational information; and a step (702-708) of obtaining operational information from measured information on the basis of the generated control rule.
References Cited (Backward Citations)
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