Thaum siv ib qho qis- txaj trailer, kev thauj khoom kom raug thiab chaw nruab nrab- ntawm - kev tswj lub ntiajteb txawj nqus yog qhov tseem ceeb. Thaum thauj cov khoom hnyav lossis cov khoom thauj, qhov hnyav yuav tsum tau muab faib kom ze rau qhov nruab nrab ntawm lub tsheb thauj khoom raws li qhov ua tau kom tsis txhob muaj qhov tseem ceeb hauv ntej - rau - nraub qaum lossis sab - mus rau - sab imbalances; txwv tsis pub, lub tsheb yuav ua tsis ruaj tsis khov los yog txawm tawm. Cov khoom thauj yuav tsum tau muab khi kom ruaj ntseg- feem ntau yog siv cov hlua khi, cov hlua khi, lossis cov cuab yeej xauv tshwj xeeb ntawm ntau lub ntsiab lus- txhawm rau tiv thaiv kev hloov pauv thaum lub sijhawm braking lossis kaum sab xis.
Vim lawv qhov nruab nrab ntawm lub ntiajteb txawj nqus qis ua ke nrog cov peev txheej hnyav, qis - txaj trailers tso siab rau ob qho tib si ntawm txoj kev thiab cov neeg ua haujlwm txawj. Cov neeg tsav tsheb yuav tsum tuav lub nrawm nrawm, tsis txhob nrawm nrawm lossis nres nres; Nws yog ib qho tseem ceeb tshwj xeeb kom qeeb qeeb ua ntej thaum navigating curves lossis slopes kom txo tau qhov cuam tshuam ntawm inertia ntawm lub tsheb cov qauv. Thaum ntsib cov pas dej lossis thaj chaw tsim kho, lub tsheb yuav tsum maj mam ua kom tsis txhob muaj cov kab hauv qab los ntawm khawb hauv av thiab kom tsis txhob cuam tshuam cov txheej txheem ncua kev poob siab ntau dhau.
Kev teem sijhawm thiab kev saib xyuas kom zoo kuj tseem ceeb heev rau kev ua haujlwm txhua hnub. Tom qab siv sijhawm ntev, nws yog ib qho tseem ceeb kom tsis tu ncua xyuas cov log tsheb, kev ua haujlwm ntawm kev sib tsoo, thiab cov xwm txheej ntawm hydraulic lossis pneumatic systems, hais txog qhov tsis sib xws tam sim. Thaum lub sij hawm thauj khoom thiab tshem tawm, kev khiav hauj lwm yuav tsum tau ua nyob rau hauv ib theem, khoom nto, thiab cheeb tsam yuav tsum tau ceev ceev ntawm cov neeg ua hauj lwm kom muaj kev ruaj ntseg. Ua raws li cov txheej txheem kev khiav hauj lwm thiab kev siv kom raug tuaj yeem txhim kho kev thauj mus los thiab kev pab cuam lub neej ntawm qis - txaj trailer.
