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Dynamic fluid leakage ndeyeimwe yeanoratidza kusimba kweiyo mafuta system, izvo zvinoreva kuti pasi peyakanyanya mugwagwa mamiriro kana akanyanya kutyaira mamiriro, mvura haizoyerera ichibuda mutangi yekumanikidza muripo mudziyo, unowanzo kunzi iyo refueling limit valve, giravhiti. vharafu nemhando mbiri dzevhavhavhavha, uye kumanikidzwa kwemukati kwetangi kunochengetwa munzvimbo yakachengeteka. Iyo mafuta sisitimu inogadzirwa seyakavhurika chimiro kuitira kuti isangane nezvinodiwa zvekufemesa, uye yakabatana kune zvakatipoteredza kuburikidza necharcoal canister. Iyo refueling limit valve uye gravity valve inovhurwa uye yakavharwa maererano nekuchinja kwesimba kweyakavakirwa-mukati float, sezvakaratidzwa muMufananidzo 2. Kana kumanikidza mukati metangi yakakura kudarika preset yekuvhura kumanikidza kwevhavha, iyo inoyerera inovhura uye oiri negasi zvinoburitswa uye zvinoshambadzirwa nemarasha akabatidzwa muchigadziko chemarasha, kuitira kudzikamisa kusvibiswa kwemota evaporative emission. Oiri inogona kudonhedza muchigaba chemarasha kuburikidza nevharuvhu yakavhurika pasi pemamiriro ekuchinja, zvichikonzera kupihwa kwemafuta asina kujairika kana kuzadza tangi, kunyura kwemarasha emarasha, kutsemuka mutangi, uye mamwe matambudziko anokanganisa kuita kwese kufefetedza kwemafuta system.

Iyo yakarongwa yekudzora zano kune yega yega kutenderera kwemafuta jekiseni nguva, nguva uye nhamba yejekiseni yakavakirwa pakumhanya kweinjini uye mapits emutyairi, uye algorithm yayo yekutonga inogona kuenzanisa injini MAP online; iyo yakatsanangurwa yakakwirira-kudzvanywa kwepombi yekudzora maitiro ekutanga mamiriro ejanji njanji dizeli inoda iyo jekiseni MAP kuti iite feed-forward control module; iyo yakarongwa periodic function yakavakirwa pa lumped modhi inokurudzirwa kuverengera iyo yakagadziriswa huwandu hwehuturu, uko kuchinjika amplitude yeiyo main jekiseni huwandu huchiri kuwanikwa kubva kuMAP dhizaini; iyo feed-forward njanji yekudzora inoitwa uchishandisa iyo MAP yekumhanya kweinjini, ikozvino yakajairika njanji kumanikidza (inozonzi njanji kudzvanywa) uye huwandu hwakajairwa. Mune ino kesi, iyo fluctuation amplitude yeiyo huru jekiseni vhoriyamu ichiri kuwanikwa neMAP; iyo feed-forward njanji pressure control inoitwa uchishandisa maMAPs einjini yekumhanya, ikozvino yakajairika njanji kumanikidza (inozonzi njanji kudzvanywa), uye jekiseni vhoriyamu kudzikamisa kudzika kwemhepo uye kuwana chaiyo jekiseni remafuta. Mepu yeMAP inoita basa rakakosha mumazhinji enzira dzekudzora mafuta, asi inoda kuwanikwa kuburikidza nekuedza kwakakura. Panyaya yekuenderera mberi kwejekiseni, huwandu hwemafuta akaiswa jekiseni hunochinja sezvo nguva iri pakati pemajekiseni inochinja, uye mutengo weMAP bvunzo dzekuchinja huwandu hwemafuta pasi pemamiriro ekushanda akasiyana unowedzera zvakanyanya kuitira kuratidza kushanduka.