DYNAMIC MATRIX CONTROL OF STEAM TEMPERATURE WITH PREVENTION OF SATURATED STEAM ENTRY INTO SUPERHEATER
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 se...
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| creator | ROBERT ALLEN BEVERIDGE RA RICHARD J WHALEN, JR. RJ |
| description | 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. |
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RJ</creatorcontrib><description>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.</description><language>chi ; eng</language><subject>BLASTING ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; METHODS OF STEAM GENERATION ; STEAM BOILERS ; STEAM GENERATION ; WEAPONS</subject><creationdate>2012</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20121221&DB=EPODOC&CC=HK&NR=1168142A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76419</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20121221&DB=EPODOC&CC=HK&NR=1168142A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ROBERT ALLEN BEVERIDGE RA</creatorcontrib><creatorcontrib>RICHARD J WHALEN, JR. 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In some embodiments, the prevention block is included in the dynamic matrix control block.</description><subject>BLASTING</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>METHODS OF STEAM GENERATION</subject><subject>STEAM BOILERS</subject><subject>STEAM GENERATION</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNy0EKwjAQheFsXIh6h7mAi6iI2yGdkqBJynSqdlWKxJVood4fo_QArt7i-99cpaIN6J0Bj8LuCiYG4XiCWEIthB6EfEWM0jDBxYmFiulMQVwMv-grKFRMeRZuwQWJUDf5aCkjL9Xs3j_GtJp2oaAkMXadhleXxqG_pWd6d_ao9f6gdxvU2z-SD2RfNOw</recordid><startdate>20121221</startdate><enddate>20121221</enddate><creator>ROBERT ALLEN BEVERIDGE RA</creator><creator>RICHARD J WHALEN, JR. 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RJ</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ROBERT ALLEN BEVERIDGE RA</au><au>RICHARD J WHALEN, JR. RJ</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>DYNAMIC MATRIX CONTROL OF STEAM TEMPERATURE WITH PREVENTION OF SATURATED STEAM ENTRY INTO SUPERHEATER</title><date>2012-12-21</date><risdate>2012</risdate><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.</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BLASTING HEATING LIGHTING MECHANICAL ENGINEERING METHODS OF STEAM GENERATION STEAM BOILERS STEAM GENERATION WEAPONS |
| title | DYNAMIC MATRIX CONTROL OF STEAM TEMPERATURE WITH PREVENTION OF SATURATED STEAM ENTRY INTO SUPERHEATER |
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