Toyota Lean Production System (TPS Toyota Production System), tsim los ntawm naiichi Ono, tus lwm thawj ntawm Toyota Motor Company hauv Nyij Pooj, yog hom kev tsim khoom niaj hnub tshwj xeeb ntawm Toyota. Nws ua raws li kev txhim kho ntawm lub sijhawm thiab kev hloov pauv ntawm kev ua lag luam. Tom qab ntau tshaj 20 xyoo ntawm kev tshawb nrhiav thiab kev txhim kho, nws tau maj mam tsim thiab tsim ua tiav cov txheej txheem tswj kev tsim khoom thiab cov txheej txheem.
Hauv kev nkag siab siab dua, Toyota ntau lawm hom sawv cev rau kev lag luam kev coj noj coj ua thiab kev tawm tswv yim tshiab. Toyota ntau lawm hom yog ib tug ideological kiv puag ncig. Nws yog ib qho tsim nyog rau cov tuam txhab Suav kom nkag siab txog cov yam ntxwv, cov ntsiab lus thiab cov ntsiab lus ntawm TPS, cov qauv kev tswj hwm nrog cov keeb kwm yav dhau los. Dayang yog ib lub tuam txhab tsis tshua muaj neeg sawv cev hauv Tuam Tshoj txoj kev lag luam tsheb kauj vab uas siv lub tswv yim thiab hom kev lag luam lean rau kev ua haujlwm txhua hnub thiab kev tswj hwm.
Lean ntau lawm yog hom kev tswj hwm kev tsim khoom uas ua rau cov txheej txheem tsim khoom sai sai rau cov kev xav tau ntawm cov neeg siv los ntawm kev hloov pauv ntawm cov qauv, cov neeg ua haujlwm, kev ua haujlwm hom thiab kev ua lag luam thiab kev xav tau, thiab ua kom txhua yam tsis muaj txiaj ntsig thiab rov ua dua tshiab hauv txheej txheem ntau lawm, thiaj li mus txog thaum kawg ua tiav cov txiaj ntsig zoo tshaj plaws hauv txhua yam ntawm kev tsim khoom nrog rau kev ua lag luam thiab kev lag luam. Sib txawv ntawm cov tsoos loj-scale ntau lawm hom, nws cov yam ntxwv yog "ntau yam" thiab "me me batch".
Lean ntau lawm yog cov cuab yeej tsim khoom thiab kev tswj hwm thev naus laus zis uas ua tib zoo ua raws li kev tsim nyog thiab kev ua haujlwm ntawm kev tsim khoom thiab tuaj yeem hloov kho cov khoom zoo uas ua tau raws li ntau yam kev xav tau. Nws cov hauv paus ntsiab lus thiab ntau txoj hauv kev yog qhov tseem ceeb rau kev tsim khoom lag luam. Lub hauv paus ntawm lean ntau lawm, uas yog, cov tswv yim tseem ceeb ntawm kev npaj tsim khoom thiab kev tswj hwm thiab kev tswj cov khoom muag, kuj tseem ua lub luag haujlwm tseem ceeb hauv kev txhawb nqa thiab txhim kho kev tswj hwm kev tsim khoom niaj hnub no.
