狼群视频在线

扭矩傳感器簡介

在方向(xiang)盤下邊的(de)方向(xiang)桿上找(zhao)到助(zhu)力電(dian)(dian)機(ji)，電(dian)(dian)機(ji)上一(yi)般有(you)一(yi)個小鐵蓋(gai)護著的(de)、帶(dai)四根線（帶(dai)有(you)一(yi)個插頭）的(de)就(jiu)是(shi)轉向(xiang)助(zhu)力扭矩傳感器，拆下小鐵蓋(gai)就(jiu)能看到。

電(dian)動(dong)(dong)助(zhu)(zhu)力(li)(li)轉向(xiang)(xiang)(xiang)系(xi)(xi)統主要由扭矩(ju)(ju)傳(chuan)感(gan)器(qi)，車速傳(chuan)感(gan)器(qi)，電(dian)動(dong)(dong)機(ji)，減速機(ji)構(gou)(gou)與電(dian)子(zi)控(kong)(kong)(kong)制(zhi)單(dan)元等組(zu)成(cheng)。該系(xi)(xi)統通過(guo)扭矩(ju)(ju)傳(chuan)感(gan)器(qi)感(gan)知駕駛員在(zai)轉向(xiang)(xiang)(xiang)操作(zuo)時方(fang)向(xiang)(xiang)(xiang)盤產生的(de)扭矩(ju)(ju)力(li)(li)和轉向(xiang)(xiang)(xiang)角(jiao)度，就(jiu)會(hui)把操控(kong)(kong)(kong)信息轉換(huan)成(cheng)數字信號(hao)輸(shu)入到控(kong)(kong)(kong)制(zhi)單(dan)元，再(zai)經過(guo)控(kong)(kong)(kong)制(zhi)單(dan)元對這些(xie)信號(hao)進(jin)行運(yun)算得到一(yi)個(ge)最佳(jia)的(de)力(li)(li)矩(ju)(ju)最后(hou)控(kong)(kong)(kong)制(zhi)驅使電(dian)動(dong)(dong)機(ji)工(gong)作(zuo)。以上(shang)就(jiu)是(shi)整(zheng)個(ge)電(dian)動(dong)(dong)助(zhu)(zhu)力(li)(li)系(xi)(xi)統構(gou)(gou)成(cheng)和工(gong)作(zuo)的(de)過(guo)程，不難看出(chu)扭矩(ju)(ju)傳(chuan)感(gan)器(qi)在(zai)電(dian)動(dong)(dong)助(zhu)(zhu)力(li)(li)系(xi)(xi)統中是(shi)最為重要的(de)器(qi)件之一(yi)。

扭矩傳感器的作用

扭矩(ju)(ju)傳感器(qi)在電(dian)(dian)(dian)動(dong)(dong)(dong)助力(li)轉(zhuan)(zhuan)向(xiang)(xiang)系(xi)(xi)(xi)統(tong)(tong)中(zhong)的(de)(de)作(zuo)(zuo)用電(dian)(dian)(dian)動(dong)(dong)(dong)助力(li)轉(zhuan)(zhuan)向(xiang)(xiang)系(xi)(xi)(xi)統(tong)(tong)可(ke)以稱之為EPS，它就是一種直接依靠電(dian)(dian)(dian)機(ji)(ji)提供輔助扭矩(ju)(ju)的(de)(de)動(dong)(dong)(dong)力(li)轉(zhuan)(zhuan)向(xiang)(xiang)系(xi)(xi)(xi)統(tong)(tong)。在整個系(xi)(xi)(xi)統(tong)(tong)中(zhong)，扭矩(ju)(ju)傳感器(qi)起到決定性(xing)作(zuo)(zuo)用。與傳統(tong)(tong)的(de)(de)液壓助力(li)轉(zhuan)(zhuan)向(xiang)(xiang)系(xi)(xi)(xi)統(tong)(tong)不同的(de)(de)是電(dian)(dian)(dian)動(dong)(dong)(dong)助力(li)轉(zhuan)(zhuan)向(xiang)(xiang)系(xi)(xi)(xi)統(tong)(tong)具有性(xing)能(neng)(neng)應用上更(geng)(geng)(geng)大(da)的(de)(de)優勢。它不光(guang)在需要轉(zhuan)(zhuan)向(xiang)(xiang)時才啟動(dong)(dong)(dong)電(dian)(dian)(dian)機(ji)(ji)產生(sheng)助力(li)，這樣能(neng)(neng)大(da)大(da)的(de)(de)減少發動(dong)(dong)(dong)機(ji)(ji)燃油(you)消耗。電(dian)(dian)(dian)動(dong)(dong)(dong)助力(li)能(neng)(neng)在各種行駛(shi)工(gong)況下提供最佳助力(li)，減小由(you)路(lu)面不平所引起電(dian)(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)的(de)(de)輸出轉(zhuan)(zhuan)矩(ju)(ju)通過傳動(dong)(dong)(dong)裝(zhuang)置(zhi)的(de)(de)作(zuo)(zuo)用而助力(li)向(xiang)(xiang)系(xi)(xi)(xi)的(de)(de)擾動(dong)(dong)(dong)，改善汽(qi)車的(de)(de)轉(zhuan)(zhuan)向(xiang)(xiang)特性(xing)，提高(gao)汽(qi)車的(de)(de)主動(dong)(dong)(dong)安全性(xing)。和液壓助力(li)相比沒有液壓回路(lu)，調整和檢(jian)測更(geng)(geng)(geng)容易，裝(zhuang)配(pei)自(zi)動(dong)(dong)(dong)化(hua)程度更(geng)(geng)(geng)高(gao)，且可(ke)通過設置(zhi)不同的(de)(de)程序，快速以及(ji)不同車型(xing)匹(pi)配(pei)，縮短生(sheng)產和開(kai)發周期。

扭(niu)矩(ju)(ju)傳感器的作用(yong)是測量動態扭(niu)矩(ju)(ju)和靜(jing)態扭(niu)矩(ju)(ju)，其檢測穩定(ding)性、抗(kang)干擾性，以及精度都(dou)很好，每次使用(yong)不需要調整為零。

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