CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE
To provide a control device for an internal combustion machine capable of more accurately calculating an effective opening area of a throttle valve while suppressing an increase in development man hours and pressure on a storage region.SOLUTION: An ECU 200 includes: a deposit learning determination...
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| creator | SUZUKI KOHEI KOIWAI RYUTARO |
| description | To provide a control device for an internal combustion machine capable of more accurately calculating an effective opening area of a throttle valve while suppressing an increase in development man hours and pressure on a storage region.SOLUTION: An ECU 200 includes: a deposit learning determination section 203 determining whether to allow throttle valve effective opening area learning on the basis of a pressure difference between a throttle valve upstream pressure estimation value and atmospheric pressure; an actual effective opening area calculation section 204 calculating an actual effective opening area that is a true throttle valve effective opening area on the basis of the atmospheric pressure, an ambient temperature, throttle valve downstream pressure and an intake air flow rate; a model effective opening area calculation section 206 calculating a model effective opening area that is a prediction value of the throttle valve effective opening area on the basis of a throttle valve opening and correcting the model effective opening area on the basis of effective opening area correction amount; and an effective opening area correction amount calculation section 205 calculating the effective opening area correction amount on the basis of a difference between the actual effective opening area and the model effective opening area.SELECTED DRAWING: Figure 3
【課題】開発工数の増大および記憶領域の圧迫を抑制しつつ、より精度良くスロットル弁の有効開口面積を算出することができる内燃機械の制御装置を提供すること。【解決手段】ＥＣＵ２００は、スロットル弁上流圧力推定値と大気圧力との圧力差に基づいて、スロットル弁有効開口面積学習を許可するか否かを判定するデポジット学習判定部２０３と、大気圧力、大気温度、スロットル弁下流圧力、吸気流量、に基づいて、真のスロットル弁有効開口面積である実有効開口面積を算出する実有効開口面積算出部２０４と、スロットル弁開度に基づいて、スロットル弁有効開口面積の予測値であるモデル有効開口面積を算出するとともに、有効開口面積補正量に基づいて、モデル有効開口面積を補正するモデル有効開口面積算出部２０６と、実有効開口面積とモデル有効開口面積の差分に基づいて有効開口面積補正量を算出する有効開口面積補正量算出部２０５とを備える。【選択図】 図３ |
| format | Patent |
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【課題】開発工数の増大および記憶領域の圧迫を抑制しつつ、より精度良くスロットル弁の有効開口面積を算出することができる内燃機械の制御装置を提供すること。【解決手段】ＥＣＵ２００は、スロットル弁上流圧力推定値と大気圧力との圧力差に基づいて、スロットル弁有効開口面積学習を許可するか否かを判定するデポジット学習判定部２０３と、大気圧力、大気温度、スロットル弁下流圧力、吸気流量、に基づいて、真のスロットル弁有効開口面積である実有効開口面積を算出する実有効開口面積算出部２０４と、スロットル弁開度に基づいて、スロットル弁有効開口面積の予測値であるモデル有効開口面積を算出するとともに、有効開口面積補正量に基づいて、モデル有効開口面積を補正するモデル有効開口面積算出部２０６と、実有効開口面積とモデル有効開口面積の差分に基づいて有効開口面積補正量を算出する有効開口面積補正量算出部２０５とを備える。【選択図】 図３</description><language>eng ; jpn</language><subject>BLASTING ; COMBUSTION ENGINES ; CONTROLLING COMBUSTION ENGINES ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; LIGHTING ; MECHANICAL ENGINEERING ; WEAPONS</subject><creationdate>2022</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=20220805&DB=EPODOC&CC=JP&NR=2022114011A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220805&DB=EPODOC&CC=JP&NR=2022114011A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SUZUKI KOHEI</creatorcontrib><creatorcontrib>KOIWAI RYUTARO</creatorcontrib><title>CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE</title><description>To provide a control device for an internal combustion machine capable of more accurately calculating an effective opening area of a throttle valve while suppressing an increase in development man hours and pressure on a storage region.SOLUTION: An ECU 200 includes: a deposit learning determination section 203 determining whether to allow throttle valve effective opening area learning on the basis of a pressure difference between a throttle valve upstream pressure estimation value and atmospheric pressure; an actual effective opening area calculation section 204 calculating an actual effective opening area that is a true throttle valve effective opening area on the basis of the atmospheric pressure, an ambient temperature, throttle valve downstream pressure and an intake air flow rate; a model effective opening area calculation section 206 calculating a model effective opening area that is a prediction value of the throttle valve effective opening area on the basis of a throttle valve opening and correcting the model effective opening area on the basis of effective opening area correction amount; and an effective opening area correction amount calculation section 205 calculating the effective opening area correction amount on the basis of a difference between the actual effective opening area and the model effective opening area.SELECTED DRAWING: Figure 3
【課題】開発工数の増大および記憶領域の圧迫を抑制しつつ、より精度良くスロットル弁の有効開口面積を算出することができる内燃機械の制御装置を提供すること。【解決手段】ＥＣＵ２００は、スロットル弁上流圧力推定値と大気圧力との圧力差に基づいて、スロットル弁有効開口面積学習を許可するか否かを判定するデポジット学習判定部２０３と、大気圧力、大気温度、スロットル弁下流圧力、吸気流量、に基づいて、真のスロットル弁有効開口面積である実有効開口面積を算出する実有効開口面積算出部２０４と、スロットル弁開度に基づいて、スロットル弁有効開口面積の予測値であるモデル有効開口面積を算出するとともに、有効開口面積補正量に基づいて、モデル有効開口面積を補正するモデル有効開口面積算出部２０６と、実有効開口面積とモデル有効開口面積の差分に基づいて有効開口面積補正量を算出する有効開口面積補正量算出部２０５とを備える。【選択図】 図３</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>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNB19vcLCfL3UXBxDfN0dlVw8w9S8PQLcQ3yc_RRcPb3dQoNDvH091Nw9XP39HPlYWBNS8wpTuWF0twMSm6uIc4euqkF-fGpxQWJyal5qSXxXgFGBkZGhoYmBoaGjsZEKQIACnAl0g</recordid><startdate>20220805</startdate><enddate>20220805</enddate><creator>SUZUKI KOHEI</creator><creator>KOIWAI RYUTARO</creator><scope>EVB</scope></search><sort><creationdate>20220805</creationdate><title>CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE</title><author>SUZUKI KOHEI ; KOIWAI RYUTARO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2022114011A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2022</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>SUZUKI KOHEI</creatorcontrib><creatorcontrib>KOIWAI RYUTARO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SUZUKI KOHEI</au><au>KOIWAI RYUTARO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE</title><date>2022-08-05</date><risdate>2022</risdate><abstract>To provide a control device for an internal combustion machine capable of more accurately calculating an effective opening area of a throttle valve while suppressing an increase in development man hours and pressure on a storage region.SOLUTION: An ECU 200 includes: a deposit learning determination section 203 determining whether to allow throttle valve effective opening area learning on the basis of a pressure difference between a throttle valve upstream pressure estimation value and atmospheric pressure; an actual effective opening area calculation section 204 calculating an actual effective opening area that is a true throttle valve effective opening area on the basis of the atmospheric pressure, an ambient temperature, throttle valve downstream pressure and an intake air flow rate; a model effective opening area calculation section 206 calculating a model effective opening area that is a prediction value of the throttle valve effective opening area on the basis of a throttle valve opening and correcting the model effective opening area on the basis of effective opening area correction amount; and an effective opening area correction amount calculation section 205 calculating the effective opening area correction amount on the basis of a difference between the actual effective opening area and the model effective opening area.SELECTED DRAWING: Figure 3
【課題】開発工数の増大および記憶領域の圧迫を抑制しつつ、より精度良くスロットル弁の有効開口面積を算出することができる内燃機械の制御装置を提供すること。【解決手段】ＥＣＵ２００は、スロットル弁上流圧力推定値と大気圧力との圧力差に基づいて、スロットル弁有効開口面積学習を許可するか否かを判定するデポジット学習判定部２０３と、大気圧力、大気温度、スロットル弁下流圧力、吸気流量、に基づいて、真のスロットル弁有効開口面積である実有効開口面積を算出する実有効開口面積算出部２０４と、スロットル弁開度に基づいて、スロットル弁有効開口面積の予測値であるモデル有効開口面積を算出するとともに、有効開口面積補正量に基づいて、モデル有効開口面積を補正するモデル有効開口面積算出部２０６と、実有効開口面積とモデル有効開口面積の差分に基づいて有効開口面積補正量を算出する有効開口面積補正量算出部２０５とを備える。【選択図】 図３</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 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE |
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