US5873251A
Expired / Lapsed
US
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Plant operation control system
Assignee: Toshiba Corp
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Filing: 1996-09-13
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Granted: 1999-02-23
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Expires: 2016-09-13
Abstract
Abstract To attain a high efficiency plant production activity and further to contribute to the earth environment protection, the disclosed plant operation control system, comprises means for producing energy in a plant; means for producing products in the plant by use of the energy produced by the energy producing means; means for scheduling energy production on the basis of the production schedule of the products; means for adjusting the energy production scheduled by the energy production scheduling means on the basis of information relative to the energy; and means for outputting the energy outside of the plant according to the energy production schedule adjusted by the energy production schedule adjusting means.
Inventors
- 👤 Yutaka Iino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:51
CPC Classifications
F; F01; F01K; F01K13/00; F01K13/02; Y; Y02; Y02E; Y02E20/00; Y02E20/14
Claims Analysis
Total Claims: 34
Claim 1
Independent Claim
90 words
A plant operation control system, comprising: means for producing energy in a plant; means for producing products in the plant by use of the energy produced by said energy producing means; means for scheduling energy production on the basis of production schedule of the products; means for adjusting the energy production scheduled by said energy production scheduling means on the basis of information relative to the energy; and means for outputting the energy outside of the plant according to the energy production schedule adjusted by said energy production adjusting means.
Claim 2
Dependent Claim
90 words
A plant operation control system, comprising: means for producing energy in a plant; means for producing products in the plant by use of the energy produced by said energy producing means; means for scheduling energy production on the basis of production schedule of the products; means for adjusting the energy production scheduled by said energy production scheduling means on the basis of information relative to the energy; and means for outputting the energy outside of the plant according to the energy production schedule adjusted by said energy production adjusting means.
Claim 3
Dependent Claim
28 words
The plant operation control system of claim 1, wherein said energy production schedule adjusting means adjusts the energy production scheduling means on the basis of energy value data.
Claim 4
Dependent Claim
28 words
The plant operation control system of claim 2, wherein said energy production schedule adjusting means adjusts the energy production scheduling means on the basis of energy price data.
Claim 5
Dependent Claim
35 words
The plant operation control system of claim 3, wherein said energy production schedule adjusting means outputs a command value for maximizing a total profit of both an energy sale profit and an product sale profit.
Claim 6
Dependent Claim
29 words
The plant operation control system of claim 3, wherein said energy production schedule adjusting means can adjust the energy production schedule according to fluctuations of the energy sale price.
Claim 7
Dependent Claim
23 words
The plant operation control system of claim 3, wherein said energy production schedule adjusting means comprises means for predicting the energy sale price.
Claim 8
Dependent Claim
35 words
The plant operation control system of claim 1, wherein said energy production schedule adjusting means comprises means for considering at least one of plant operating conditions, operation constraint, possible trouble conditions, and surplus energy conditions.
Claim 9
Dependent Claim
26 words
The plant operation control system of claim 1, wherein said energy production scheduling means comprises means for predicting an energy quantity required for producing the products.
Claim 10
Dependent Claim
27 words
The plant operation control system of claim 1, wherein said energy production scheduling means comprises means for predicting an energy quantity reproduced or recovered in the plant.
Claim 11
Dependent Claim
14 words
The plant operation control system of claim 1, wherein the energy is electrical energy.
Claim 12
Dependent Claim
90 words
A plant operation control method of producing products in a plant by use of energy generated within the plant, comprising: a first step of setting an energy production schedule on the basis of a production schedule of the products; a second step of adjusting the energy production schedule set in the first step on the basis of energy-related data; and a third step of outputting part of the energy generated within the plant to the outside of the plant, according to the energy production schedule adjusted in the second step.
Claim 13
Dependent Claim
90 words
A plant operation control method of producing products in a plant by use of energy generated within the plant, comprising: a first step of setting an energy production schedule on the basis of a production schedule of the products; a second step of adjusting the energy production schedule set in the first step on the basis of energy-related data; and a third step of outputting part of the energy generated within the plant to the outside of the plant, according to the energy production schedule adjusted in the second step.
Claim 14
Dependent Claim
25 words
The plant operation control method of claim 11, wherein said second step includes adjusting the energy production schedule on the basis of energy value data.
Claim 15
Dependent Claim
26 words
The plant operation control method of claim 12, wherein said second step includes adjusting the energy production schedule on the basis of energy sale price data.
Claim 16
Dependent Claim
34 words
The plant operation control method of claim 13, wherein said second step further includes outputting a command value for maximizing a total profit of both an energy sale profit and a product sale profit.
Claim 17
Dependent Claim
26 words
The plant operation control method of claim 13, wherein said second step includes adjusting the energy production schedule according to fluctuations of the energy sale price.
Claim 18
Dependent Claim
19 words
The plant operation control method of claim 13, wherein said second step further includes predicting the energy sale price.
Claim 19
Dependent Claim
38 words
The plant operation control method of claim 11, wherein said second step further includes considering at least one of plant operating condition, operation constraint, possible trouble conditions, and surplus energy conditions as part of said energy related data.
Claim 20
Dependent Claim
23 words
The plant operation control method of claim 11, wherein said second step further includes predicting an energy quantity required for producing the products.
Claim 21
Dependent Claim
24 words
The plant operation control method of claims 11, wherein said second step further includes predicting an energy quantity reproduced or recovered in the plant.
Claim 22
Dependent Claim
14 words
The plant operation control method of claim 11, wherein the energy is electrical energy.
Claim 23
Dependent Claim
28 words
The plant operation control system of claim 1, wherein said energy production schedule adjusting means regulates the production schedule of the products to adjust the energy production schedule.
Claim 24
Dependent Claim
91 words
A plant operation control system, comprising: an energy producer producing energy in a plant; a product producer producing products in the plant by use of the energy produced by said energy producer; an energy production scheduler scheduling energy production on the basis of a production schedule of the products; an adjuster adjusting the energy production scheduled by said energy production scheduler on the basis of information relative to the energy; and an energy outputter outputting the energy outside of the plant according to the energy production schedule adjusted by said adjuster.
Claim 25
Dependent Claim
91 words
A plant operation control system, comprising: an energy producer producing energy in a plant; a product producer producing products in the plant by use of the energy produced by said energy producer; an energy production scheduler scheduling energy production on the basis of a production schedule of the products; an adjuster adjusting the energy production scheduled by said energy production scheduler on the basis of information relative to the energy; and an energy outputter outputting the energy outside of the plant according to the energy production schedule adjusted by said adjuster.
Claim 26
Dependent Claim
23 words
The plant operation control system of claim 22, wherein said adjuster adjusts the energy production scheduler on the basis of energy value data.
Claim 27
Dependent Claim
23 words
The plant operation control system of claim 23, wherein said adjuster adjusts the energy production scheduler on the basis of energy price data.
Claim 28
Dependent Claim
31 words
The plant operation control system of claim 24, wherein said adjuster outputs a command value for maximizing a total profit of both an energy sale profit and a production sale profit.
Claim 29
Dependent Claim
24 words
The plant operation control system of claim 24, wherein said adjuster adjusts the energy production schedule according to fluctuations of the energy sale price.
Claim 30
Dependent Claim
20 words
The plant operation control system of claim 24, wherein said adjuster comprises a prediction section predicting the energy sale price.
Claim 31
Dependent Claim
32 words
The plant operation control system of claim 22, wherein said adjuster comprises a consideration section considering at least one of plant operating conditions, operation constraint, possible trouble conditions, and surplus energy conditions.
Claim 32
Dependent Claim
26 words
The plant operation control system of claim 22, wherein said energy production scheduler comprises a prediction section predicting an energy quantity required for producing the products.
Claim 33
Dependent Claim
27 words
The plant operation control system of claim 22, wherein said energy production scheduler comprises a prediction section predicting an energy quantity reproduced or recovered in the plant.
Claim 34
Dependent Claim
14 words
The plant operation control system of claim 22, wherein the energy is electrical energy.
References Cited (Backward Citations)
US5274571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-02-22 | 2002-08-24 | 2003-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-02-22 | 2006-08-24 | 2007-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-02-22 | 2010-08-24 | 2011-02-23 | $7700.00 | Window Closed / Lapsed |