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Ngemuva kweminyaka yokuthuthuka, ubuchwepheshe bomjovo kadizili sebushintshile busuka ohlelweni lomjovo olusetshenziswa ngomshini lwaya ohlelweni lomjovo olusezingeni eliphezulu olulawulwa nge-elekthronikhi. Lokhu okulandelayo yizinyathelo ezibalulekile ekuthuthukisweni kobuchwepheshe bokujova udizili:

1.Isistimu yomjovo womshini wangaphambi kwesikhathi: Isistimu yomjovo kadizili yakudala yayiwumshini, kusetshenziswa ipompo yomjovo kanye nomjovo womjovo kaphethiloli ukujova udizili kusilinda. Lolu hlelo luvame ukuqhutshwa yinduku yokuxhuma eyimishini, futhi inani lomjovo walo nesikhathi somjovo kulawulwa izingxenye zemishini.

2.Ukuvela kwezinhlelo zomjovo olawulwa nge-elekthronikhi: Ngawo-1980, ukuthuthukiswa kobuchwepheshe bokulawula i-elekthronikhi kwakhuthaza ukuvela kwezinhlelo zokujova ezilawulwa nge-elekthronikhi. Lolu hlelo lusebenzisa i-electronic control unit (ECU) ukulawula ngokunembile inani lomjovo kanye nesikhathi somjovo, ngaleyo ndlela kuzuzwe ukusebenza kahle okuphezulu kukaphethiloli nokusebenza kokukhipha umoya.

3.Ubuchwepheshe bomjovo wesitimela obunengcindezi ephezulu: Ekupheleni kweminyaka yawo-1990 nasekuqaleni kwawo-2000, ubuchwepheshe bomjovo wesitimela obunengcindezi ephezulu baqala ukusetshenziswa kakhulu. Lobu buchwepheshe busebenzisa uhlelo olujwayelekile lokuphakela uphethiloli kaloliwe ukuze kugcinwe udizili lapho ucindezelwa kakhulu kujantshi ovamile futhi uwujove ngokunembile kusilinda ngama-injection alawulwa ngogesi. Isistimu yesitimela evamile enengcindezi ephezulu ihlinzeka ngengcindezi yomjovo ephezulu kanye nokulawula umjovo onembe kakhudlwana, ngaleyo ndlela ithuthukise ukusebenza kahle kukaphethiloli nokusebenza kwamandla.

4.Ukuthuthukiswa okuqhubekayo kokucindezela komjovo: Ngokuthuthuka kobuchwepheshe, ingcindezi yokusebenza yesistimu yomjovo iye yathuthukiswa ngokuqhubekayo, kusukela kumakhulu okuqala amabha kuya ezinkulungwaneni zamanje zebha. Ukucindezela komjovo okuphezulu kungafinyelela i-atomization kaphethiloli engcono kanye nokusebenza kahle okuphezulu kokuvutha, ngaleyo ndlela kuthuthukise ukuphuma kwamandla nokunciphisa ukukhishwa kwekhabhoni.

5.Ukusetshenziswa kobuchwepheshe bomjovo omningi: Eminyakeni yakamuva, amasistimu omjovo kadizili aseqalile ukusebenzisa ubuchwepheshe bomjovo omningi. Lobu buchwepheshe bufinyelela ekulawuleni ukusha okunembe kakhudlwana ngokwenza imijovo eminingi emjikelezweni womlilo ngamunye, ngaleyo ndlela kuthuthukiswe ukusebenza kahle kukaphethiloli kanye nokunciphisa ukungcola.

Ngokuvamile, ukuthuthukiswa kobuchwepheshe bomjovo kadizili kugxile kakhulu ekuthuthukiseni ukunemba komjovo, ukwandisa umfutho womjovo, ukukhulisa isikhathi somjovo kanye nokuhlola amasu amasha omjovo, okuhloswe ngawo ukuzuza ukusebenza kahle kukaphethiloli, ukukhishwa okuphansi kanye nokusebenza kwamandla okuphakeme.