FRESH AIR FLOW AND EXHAUST GAS RECIRCULATION CONTROL SYSTEM AND METHOD
A fresh air and exhaust gas control method and system for an engine air system with an air throttle and exhaust gas recirculation (EGR) valve. The method includes monitoring engine parameters; generating engine state estimates using an engine observer model; generating measured engine states based o...
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| creator | LAHTI, JOHN PIPHO, MICHAEL MANEY, MICHAEL RIDENOUR, DUSTIN |
| description | A fresh air and exhaust gas control method and system for an engine air system with an air throttle and exhaust gas recirculation (EGR) valve. The method includes monitoring engine parameters; generating engine state estimates using an engine observer model; generating measured engine states based on the monitored engine parameters; computing observer error based on the differences between the measured and modeled engine states; generating model correction factors; and generating commands for adjusting the air throttle and EGR valve. An inverse engine observer model can generate the desired air throttle and EGR valve positions. The method can include generating feedback actuator commands in generating the desired air throttle and EGR valve positions. The correction factors can include fresh air, EGR and/or turbine mass flow correction factors. |
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The method includes monitoring engine parameters; generating engine state estimates using an engine observer model; generating measured engine states based on the monitored engine parameters; computing observer error based on the differences between the measured and modeled engine states; generating model correction factors; and generating commands for adjusting the air throttle and EGR valve. An inverse engine observer model can generate the desired air throttle and EGR valve positions. The method can include generating feedback actuator commands in generating the desired air throttle and EGR valve positions. The correction factors can include fresh air, EGR and/or turbine mass flow correction factors.</description><language>eng ; fre ; ger</language><subject>BLASTING ; COMBUSTION ENGINES ; CONTROLLING COMBUSTION ENGINES ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; LIGHTING ; MECHANICAL ENGINEERING ; WEAPONS</subject><creationdate>2016</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=20160518&DB=EPODOC&CC=EP&NR=3020947A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25568,76551</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20160518&DB=EPODOC&CC=EP&NR=3020947A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LAHTI, JOHN</creatorcontrib><creatorcontrib>PIPHO, MICHAEL</creatorcontrib><creatorcontrib>MANEY, MICHAEL</creatorcontrib><creatorcontrib>RIDENOUR, DUSTIN</creatorcontrib><title>FRESH AIR FLOW AND EXHAUST GAS RECIRCULATION CONTROL SYSTEM AND METHOD</title><description>A fresh air and exhaust gas control method and system for an engine air system with an air throttle and exhaust gas recirculation (EGR) valve. The method includes monitoring engine parameters; generating engine state estimates using an engine observer model; generating measured engine states based on the monitored engine parameters; computing observer error based on the differences between the measured and modeled engine states; generating model correction factors; and generating commands for adjusting the air throttle and EGR valve. An inverse engine observer model can generate the desired air throttle and EGR valve positions. The method can include generating feedback actuator commands in generating the desired air throttle and EGR valve positions. The correction factors can include fresh air, EGR and/or turbine mass flow correction factors.</description><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>CONTROLLING COMBUSTION ENGINES</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHBzC3IN9lBw9AxScPPxD1dw9HNRcI3wcAwNDlFwdwxWCHJ19gxyDvVxDPH091Nw9vcLCfL3UQiODA5x9QUr9nUN8fB34WFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8a4BxgZGBpYm5o6GxkQoAQBJJyvR</recordid><startdate>20160518</startdate><enddate>20160518</enddate><creator>LAHTI, JOHN</creator><creator>PIPHO, MICHAEL</creator><creator>MANEY, MICHAEL</creator><creator>RIDENOUR, DUSTIN</creator><scope>EVB</scope></search><sort><creationdate>20160518</creationdate><title>FRESH AIR FLOW AND EXHAUST GAS RECIRCULATION CONTROL SYSTEM AND METHOD</title><author>LAHTI, JOHN ; PIPHO, MICHAEL ; MANEY, MICHAEL ; RIDENOUR, DUSTIN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3020947A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2016</creationdate><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>CONTROLLING COMBUSTION ENGINES</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>LAHTI, JOHN</creatorcontrib><creatorcontrib>PIPHO, MICHAEL</creatorcontrib><creatorcontrib>MANEY, MICHAEL</creatorcontrib><creatorcontrib>RIDENOUR, DUSTIN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LAHTI, JOHN</au><au>PIPHO, MICHAEL</au><au>MANEY, MICHAEL</au><au>RIDENOUR, DUSTIN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>FRESH AIR FLOW AND EXHAUST GAS RECIRCULATION CONTROL SYSTEM AND METHOD</title><date>2016-05-18</date><risdate>2016</risdate><abstract>A fresh air and exhaust gas control method and system for an engine air system with an air throttle and exhaust gas recirculation (EGR) valve. The method includes monitoring engine parameters; generating engine state estimates using an engine observer model; generating measured engine states based on the monitored engine parameters; computing observer error based on the differences between the measured and modeled engine states; generating model correction factors; and generating commands for adjusting the air throttle and EGR valve. An inverse engine observer model can generate the desired air throttle and EGR valve positions. The method can include generating feedback actuator commands in generating the desired air throttle and EGR valve positions. The correction factors can include fresh air, EGR and/or turbine mass flow correction factors.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS |
| title | FRESH AIR FLOW AND EXHAUST GAS RECIRCULATION CONTROL SYSTEM AND METHOD |
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