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扭矩傳感器簡介

在方向(xiang)盤(pan)下邊的方向(xiang)桿上找到(dao)助(zhu)力(li)(li)電機，電機上一般有(you)一個小(xiao)鐵(tie)蓋護著的、帶四根線（帶有(you)一個插頭）的就(jiu)是(shi)轉向(xiang)助(zhu)力(li)(li)扭矩傳感器，拆下小(xiao)鐵(tie)蓋就(jiu)能看(kan)到(dao)。

電(dian)動助力(li)轉(zhuan)(zhuan)向系(xi)統主要由扭矩(ju)傳(chuan)(chuan)感(gan)器(qi)(qi)，車速傳(chuan)(chuan)感(gan)器(qi)(qi)，電(dian)動機，減速機構與電(dian)子控(kong)(kong)制單(dan)元(yuan)等組(zu)成。該系(xi)統通過(guo)扭矩(ju)傳(chuan)(chuan)感(gan)器(qi)(qi)感(gan)知駕駛員(yuan)在轉(zhuan)(zhuan)向操作時方(fang)向盤產生(sheng)的(de)(de)扭矩(ju)力(li)和轉(zhuan)(zhuan)向角度，就會把操控(kong)(kong)信(xin)息轉(zhuan)(zhuan)換成數字信(xin)號輸入(ru)到控(kong)(kong)制單(dan)元(yuan)，再經過(guo)控(kong)(kong)制單(dan)元(yuan)對這些(xie)信(xin)號進(jin)行運算得到一個最(zui)佳的(de)(de)力(li)矩(ju)最(zui)后控(kong)(kong)制驅使電(dian)動機工作。以上就是整個電(dian)動助力(li)系(xi)統構成和工作的(de)(de)過(guo)程，不難看出扭矩(ju)傳(chuan)(chuan)感(gan)器(qi)(qi)在電(dian)動助力(li)系(xi)統中是最(zui)為重要的(de)(de)器(qi)(qi)件(jian)之一。

扭矩傳感器的作用

扭矩傳(chuan)感(gan)器(qi)在(zai)電(dian)動(dong)(dong)助(zhu)(zhu)(zhu)力(li)(li)轉向(xiang)系(xi)(xi)統(tong)(tong)(tong)中的(de)(de)(de)作用電(dian)動(dong)(dong)助(zhu)(zhu)(zhu)力(li)(li)轉向(xiang)系(xi)(xi)統(tong)(tong)(tong)可(ke)以(yi)稱之為(wei)EPS，它就是一種(zhong)直接依靠電(dian)機提供(gong)輔助(zhu)(zhu)(zhu)扭矩的(de)(de)(de)動(dong)(dong)力(li)(li)轉向(xiang)系(xi)(xi)統(tong)(tong)(tong)。在(zai)整(zheng)個系(xi)(xi)統(tong)(tong)(tong)中，扭矩傳(chuan)感(gan)器(qi)起到決定性(xing)作用。與傳(chuan)統(tong)(tong)(tong)的(de)(de)(de)液壓助(zhu)(zhu)(zhu)力(li)(li)轉向(xiang)系(xi)(xi)統(tong)(tong)(tong)不同的(de)(de)(de)是電(dian)動(dong)(dong)助(zhu)(zhu)(zhu)力(li)(li)轉向(xiang)系(xi)(xi)統(tong)(tong)(tong)具有(you)性(xing)能(neng)(neng)應用上(shang)更大(da)的(de)(de)(de)優勢。它不光在(zai)需要(yao)轉向(xiang)時才(cai)啟(qi)動(dong)(dong)電(dian)機產(chan)(chan)生(sheng)助(zhu)(zhu)(zhu)力(li)(li)，這樣能(neng)(neng)大(da)大(da)的(de)(de)(de)減少發(fa)動(dong)(dong)機燃(ran)油消耗。電(dian)動(dong)(dong)助(zhu)(zhu)(zhu)力(li)(li)能(neng)(neng)在(zai)各種(zhong)行駛工況下(xia)提供(gong)最佳助(zhu)(zhu)(zhu)力(li)(li)，減小(xiao)由路(lu)面不平所引(yin)起電(dian)動(dong)(dong)機的(de)(de)(de)輸(shu)出轉矩通(tong)過傳(chuan)動(dong)(dong)裝置(zhi)的(de)(de)(de)作用而助(zhu)(zhu)(zhu)力(li)(li)向(xiang)系(xi)(xi)的(de)(de)(de)擾動(dong)(dong)，改善汽(qi)車的(de)(de)(de)轉向(xiang)特性(xing)，提高汽(qi)車的(de)(de)(de)主動(dong)(dong)安(an)全性(xing)。和(he)液壓助(zhu)(zhu)(zhu)力(li)(li)相比沒有(you)液壓回路(lu)，調整(zheng)和(he)檢測更容易，裝配(pei)自動(dong)(dong)化程(cheng)度更高，且可(ke)通(tong)過設置(zhi)不同的(de)(de)(de)程(cheng)序(xu)，快速(su)以(yi)及不同車型匹配(pei)，縮短(duan)生(sheng)產(chan)(chan)和(he)開發(fa)周期。

扭矩傳感器的作用(yong)是測量動(dong)態扭矩和靜態扭矩，其檢(jian)測穩定性、抗干擾(rao)性，以及精(jing)度都很好(hao)，每次使用(yong)不需要調整為零(ling)。

瑪莎拉蒂GranCabrio簡介