狼群视频在线

扭矩傳感器簡介

在方(fang)向盤下邊的方(fang)向桿上(shang)找到(dao)助(zhu)力電機(ji)，電機(ji)上(shang)一(yi)般有一(yi)個小(xiao)鐵蓋護著的、帶(dai)(dai)四根線（帶(dai)(dai)有一(yi)個插頭）的就是轉向助(zhu)力扭矩(ju)傳(chuan)感器，拆下小(xiao)鐵蓋就能看到(dao)。

電(dian)(dian)動助(zhu)力轉向(xiang)(xiang)系(xi)統(tong)主要由扭(niu)矩(ju)(ju)傳(chuan)感(gan)器(qi)，車(che)速(su)傳(chuan)感(gan)器(qi)，電(dian)(dian)動機，減速(su)機構(gou)與電(dian)(dian)子控(kong)制(zhi)單(dan)元(yuan)(yuan)等組成。該系(xi)統(tong)通過(guo)扭(niu)矩(ju)(ju)傳(chuan)感(gan)器(qi)感(gan)知駕(jia)駛(shi)員在轉向(xiang)(xiang)操(cao)作時方向(xiang)(xiang)盤產生的(de)扭(niu)矩(ju)(ju)力和轉向(xiang)(xiang)角度(du)，就會(hui)把操(cao)控(kong)信(xin)息(xi)轉換成數字信(xin)號輸入到(dao)控(kong)制(zhi)單(dan)元(yuan)(yuan)，再經過(guo)控(kong)制(zhi)單(dan)元(yuan)(yuan)對這些信(xin)號進(jin)行(xing)運算(suan)得到(dao)一(yi)個最(zui)佳的(de)力矩(ju)(ju)最(zui)后控(kong)制(zhi)驅使電(dian)(dian)動機工(gong)作。以上(shang)就是(shi)(shi)整個電(dian)(dian)動助(zhu)力系(xi)統(tong)構(gou)成和工(gong)作的(de)過(guo)程，不難看出(chu)扭(niu)矩(ju)(ju)傳(chuan)感(gan)器(qi)在電(dian)(dian)動助(zhu)力系(xi)統(tong)中是(shi)(shi)最(zui)為(wei)重(zhong)要的(de)器(qi)件之一(yi)。

扭矩傳感器的作用

扭矩(ju)傳(chuan)感器在(zai)電(dian)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)助(zhu)(zhu)(zhu)力(li)(li)轉(zhuan)(zhuan)向(xiang)系統(tong)(tong)(tong)中(zhong)(zhong)的(de)作(zuo)用電(dian)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)助(zhu)(zhu)(zhu)力(li)(li)轉(zhuan)(zhuan)向(xiang)系統(tong)(tong)(tong)可(ke)以稱之為(wei)EPS，它就是一種直(zhi)接依靠電(dian)機提供(gong)輔助(zhu)(zhu)(zhu)扭矩(ju)的(de)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)力(li)(li)轉(zhuan)(zhuan)向(xiang)系統(tong)(tong)(tong)。在(zai)整個(ge)系統(tong)(tong)(tong)中(zhong)(zhong)，扭矩(ju)傳(chuan)感器起(qi)到決定性(xing)作(zuo)用。與傳(chuan)統(tong)(tong)(tong)的(de)液(ye)壓助(zhu)(zhu)(zhu)力(li)(li)轉(zhuan)(zhuan)向(xiang)系統(tong)(tong)(tong)不同(tong)的(de)是電(dian)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)助(zhu)(zhu)(zhu)力(li)(li)轉(zhuan)(zhuan)向(xiang)系統(tong)(tong)(tong)具(ju)有性(xing)能應用上更(geng)大(da)(da)的(de)優勢。它不光在(zai)需要(yao)轉(zhuan)(zhuan)向(xiang)時才啟(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)電(dian)機產(chan)生助(zhu)(zhu)(zhu)力(li)(li)，這樣(yang)能大(da)(da)大(da)(da)的(de)減少發(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機燃(ran)油消耗(hao)。電(dian)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)助(zhu)(zhu)(zhu)力(li)(li)能在(zai)各(ge)種行駛工況下提供(gong)最佳助(zhu)(zhu)(zhu)力(li)(li)，減小由路(lu)面不平所引起(qi)電(dian)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機的(de)輸出(chu)轉(zhuan)(zhuan)矩(ju)通(tong)過傳(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)裝(zhuang)(zhuang)置(zhi)的(de)作(zuo)用而(er)助(zhu)(zhu)(zhu)力(li)(li)向(xiang)系的(de)擾動(dong)(dong)(dong)(dong)(dong)(dong)(dong)，改善汽車的(de)轉(zhuan)(zhuan)向(xiang)特(te)性(xing)，提高汽車的(de)主動(dong)(dong)(dong)(dong)(dong)(dong)(dong)安全性(xing)。和(he)液(ye)壓助(zhu)(zhu)(zhu)力(li)(li)相(xiang)比沒有液(ye)壓回路(lu)，調整和(he)檢測更(geng)容易，裝(zhuang)(zhuang)配自動(dong)(dong)(dong)(dong)(dong)(dong)(dong)化(hua)程度更(geng)高，且可(ke)通(tong)過設置(zhi)不同(tong)的(de)程序，快速以及不同(tong)車型(xing)匹配，縮短生產(chan)和(he)開(kai)發(fa)周期。

扭矩(ju)傳感器的作用是測量動態扭矩(ju)和靜態扭矩(ju)，其(qi)檢測穩定性、抗干擾性，以(yi)及精(jing)度都很好，每次(ci)使(shi)用不需要調整(zheng)為零。

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