Dynamic matrix control of steam temperature with prevention of saturated steam entry into superheater
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 22, 2015
Grant Date -
Feb 16, 2012
app pub date -
Feb 7, 2011
filing date -
Aug 16, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
|
US Family Size
|
Non-US Coverage
|
|
Patent Longevity
|
Forward Citations
|
Abstract
A technique of controlling a steam generating boiler system using dynamic matrix control includes preventing saturated steam from entering a superheater section. A dynamic matrix control block uses a rate of change of a disturbance variable, a current output steam temperature, and an output steam setpoint as inputs to generate a control signal. A prevention block modifies the control signal based on a saturated steam temperature and an intermediate steam temperature. In some embodiments, the control signal is modified based on a threshold and/or an adjustable function g(x). The modified control signal is used to control a field device that, at least in part, affects the intermediate steam and output steam of the boiler system. In some embodiments, the prevention block is included in the dynamic matrix control block.
First Claim
Other Claims data not available
Family
| Country | kind | publication No. | Filing Date | Type | Sub-Type |
|---|
International Classification(s)
- 2011 Application Filing Year
- F22G Class
- 14 Applications Filed
- 10 Patents Issued To-Date
- 71.43 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 5 Citation Count
- F22G Class
- 0 % this patent is cited more than
- 10 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 22, 2027 |
