在方(fang)向(xiang)(xiang)盤(pan)下邊(bian)的(de)方(fang)向(xiang)(xiang)桿(gan)上找(zhao)到助力電(dian)機,電(dian)機上一般有一個(ge)小鐵蓋護著的(de)、帶(dai)四根線(帶(dai)有一個(ge)插頭(tou))的(de)就(jiu)是(shi)轉(zhuan)向(xiang)(xiang)助力扭(niu)矩傳感器(qi),拆(chai)下小鐵蓋就(jiu)能看到。
電動(dong)(dong)助力(li)轉(zhuan)向(xiang)系(xi)(xi)統主要(yao)由扭矩(ju)傳感(gan)器,車速傳感(gan)器,電動(dong)(dong)機,減速機構與電子控(kong)(kong)制(zhi)單元(yuan)(yuan)等組成(cheng)。該系(xi)(xi)統通過(guo)(guo)扭矩(ju)傳感(gan)器感(gan)知駕駛員在(zai)轉(zhuan)向(xiang)操作時方向(xiang)盤(pan)產生的扭矩(ju)力(li)和轉(zhuan)向(xiang)角度,就(jiu)會把操控(kong)(kong)信息(xi)轉(zhuan)換成(cheng)數字(zi)信號輸入到控(kong)(kong)制(zhi)單元(yuan)(yuan),再經過(guo)(guo)控(kong)(kong)制(zhi)單元(yuan)(yuan)對這(zhe)些(xie)信號進行運算得(de)到一(yi)個最(zui)(zui)佳的力(li)矩(ju)最(zui)(zui)后控(kong)(kong)制(zhi)驅使電動(dong)(dong)機工作。以上就(jiu)是整個電動(dong)(dong)助力(li)系(xi)(xi)統構成(cheng)和工作的過(guo)(guo)程,不難看出扭矩(ju)傳感(gan)器在(zai)電動(dong)(dong)助力(li)系(xi)(xi)統中是最(zui)(zui)為重要(yao)的器件(jian)之一(yi)。
扭矩(ju)傳(chuan)感器在(zai)電(dian)動(dong)(dong)助(zhu)(zhu)(zhu)力(li)(li)(li)轉向(xiang)(xiang)系(xi)(xi)(xi)統(tong)(tong)中(zhong)的(de)(de)(de)作用(yong)電(dian)動(dong)(dong)助(zhu)(zhu)(zhu)力(li)(li)(li)轉向(xiang)(xiang)系(xi)(xi)(xi)統(tong)(tong)可(ke)以稱之為EPS,它就是一(yi)種直接依(yi)靠電(dian)機(ji)(ji)提(ti)供輔(fu)助(zhu)(zhu)(zhu)扭矩(ju)的(de)(de)(de)動(dong)(dong)力(li)(li)(li)轉向(xiang)(xiang)系(xi)(xi)(xi)統(tong)(tong)。在(zai)整個系(xi)(xi)(xi)統(tong)(tong)中(zhong),扭矩(ju)傳(chuan)感器起到決(jue)定(ding)性作用(yong)。與(yu)傳(chuan)統(tong)(tong)的(de)(de)(de)液(ye)壓助(zhu)(zhu)(zhu)力(li)(li)(li)轉向(xiang)(xiang)系(xi)(xi)(xi)統(tong)(tong)不(bu)同的(de)(de)(de)是電(dian)動(dong)(dong)助(zhu)(zhu)(zhu)力(li)(li)(li)轉向(xiang)(xiang)系(xi)(xi)(xi)統(tong)(tong)具有性能(neng)(neng)應用(yong)上更大(da)的(de)(de)(de)優勢(shi)。它不(bu)光(guang)在(zai)需要(yao)轉向(xiang)(xiang)時才(cai)啟動(dong)(dong)電(dian)機(ji)(ji)產生助(zhu)(zhu)(zhu)力(li)(li)(li),這樣能(neng)(neng)大(da)大(da)的(de)(de)(de)減(jian)少(shao)發(fa)動(dong)(dong)機(ji)(ji)燃油(you)消耗。電(dian)動(dong)(dong)助(zhu)(zhu)(zhu)力(li)(li)(li)能(neng)(neng)在(zai)各種行駛工況(kuang)下提(ti)供最佳助(zhu)(zhu)(zhu)力(li)(li)(li),減(jian)小(xiao)由(you)路面(mian)不(bu)平所引起電(dian)動(dong)(dong)機(ji)(ji)的(de)(de)(de)輸(shu)出轉矩(ju)通(tong)過傳(chuan)動(dong)(dong)裝置的(de)(de)(de)作用(yong)而助(zhu)(zhu)(zhu)力(li)(li)(li)向(xiang)(xiang)系(xi)(xi)(xi)的(de)(de)(de)擾動(dong)(dong),改善汽車的(de)(de)(de)轉向(xiang)(xiang)特性,提(ti)高汽車的(de)(de)(de)主動(dong)(dong)安全性。和(he)液(ye)壓助(zhu)(zhu)(zhu)力(li)(li)(li)相比沒有液(ye)壓回路,調整和(he)檢(jian)測更容易,裝配(pei)(pei)自(zi)動(dong)(dong)化(hua)程度(du)更高,且可(ke)通(tong)過設(she)置不(bu)同的(de)(de)(de)程序(xu),快速以及不(bu)同車型匹配(pei)(pei),縮短生產和(he)開發(fa)周期(qi)。
扭(niu)矩(ju)傳感器的作用是測(ce)量動態扭(niu)矩(ju)和(he)靜態扭(niu)矩(ju),其檢測(ce)穩定性、抗干擾性,以及(ji)精度(du)都(dou)很好,每次使用不需要調整為零。
領(ling)途C5是領(ling)途汽車旗(qi)下(xia)小型車。
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