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扭矩傳感器簡介

在(zai)方向盤下邊的(de)方向桿上找到助力電機(ji)，電機(ji)上一般有一個(ge)小(xiao)鐵蓋護著(zhu)的(de)、帶(dai)(dai)四(si)根線(xian)（帶(dai)(dai)有一個(ge)插頭）的(de)就是轉向助力扭矩傳感器，拆下小(xiao)鐵蓋就能看到。

電(dian)動助(zhu)力(li)轉(zhuan)向(xiang)系(xi)統主要(yao)由(you)扭矩傳感器(qi)，車(che)速(su)傳感器(qi)，電(dian)動機，減速(su)機構(gou)與電(dian)子(zi)控(kong)制(zhi)單(dan)(dan)元(yuan)等組成。該系(xi)統通過扭矩傳感器(qi)感知駕駛員在轉(zhuan)向(xiang)操(cao)作(zuo)時方向(xiang)盤產生(sheng)的(de)扭矩力(li)和轉(zhuan)向(xiang)角度，就(jiu)會(hui)把操(cao)控(kong)信息轉(zhuan)換成數字信號輸入(ru)到控(kong)制(zhi)單(dan)(dan)元(yuan)，再經(jing)過控(kong)制(zhi)單(dan)(dan)元(yuan)對這些信號進行運算得到一(yi)個(ge)最(zui)佳(jia)的(de)力(li)矩最(zui)后控(kong)制(zhi)驅使電(dian)動機工作(zuo)。以上就(jiu)是整個(ge)電(dian)動助(zhu)力(li)系(xi)統構(gou)成和工作(zuo)的(de)過程，不難看出扭矩傳感器(qi)在電(dian)動助(zhu)力(li)系(xi)統中是最(zui)為重要(yao)的(de)器(qi)件之一(yi)。

扭矩傳感器的作用

扭矩(ju)傳(chuan)感(gan)器(qi)在(zai)電(dian)動(dong)(dong)(dong)(dong)(dong)助(zhu)(zhu)力(li)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)系(xi)統(tong)中的(de)(de)(de)(de)作用(yong)電(dian)動(dong)(dong)(dong)(dong)(dong)助(zhu)(zhu)力(li)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)系(xi)統(tong)可以稱之為(wei)EPS，它(ta)就是一種(zhong)直接依靠電(dian)機提(ti)供輔助(zhu)(zhu)扭矩(ju)的(de)(de)(de)(de)動(dong)(dong)(dong)(dong)(dong)力(li)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)系(xi)統(tong)。在(zai)整(zheng)個系(xi)統(tong)中，扭矩(ju)傳(chuan)感(gan)器(qi)起到決定性(xing)作用(yong)。與傳(chuan)統(tong)的(de)(de)(de)(de)液(ye)(ye)壓助(zhu)(zhu)力(li)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)系(xi)統(tong)不(bu)(bu)同(tong)的(de)(de)(de)(de)是電(dian)動(dong)(dong)(dong)(dong)(dong)助(zhu)(zhu)力(li)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)系(xi)統(tong)具有性(xing)能(neng)應用(yong)上更(geng)大(da)的(de)(de)(de)(de)優勢。它(ta)不(bu)(bu)光在(zai)需要轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)時才(cai)啟動(dong)(dong)(dong)(dong)(dong)電(dian)機產(chan)生助(zhu)(zhu)力(li)，這樣能(neng)大(da)大(da)的(de)(de)(de)(de)減少(shao)發動(dong)(dong)(dong)(dong)(dong)機燃油消耗。電(dian)動(dong)(dong)(dong)(dong)(dong)助(zhu)(zhu)力(li)能(neng)在(zai)各種(zhong)行駛(shi)工況下(xia)提(ti)供最佳助(zhu)(zhu)力(li)，減小由路(lu)面不(bu)(bu)平所引起電(dian)動(dong)(dong)(dong)(dong)(dong)機的(de)(de)(de)(de)輸出轉(zhuan)(zhuan)矩(ju)通過(guo)傳(chuan)動(dong)(dong)(dong)(dong)(dong)裝(zhuang)置(zhi)的(de)(de)(de)(de)作用(yong)而(er)助(zhu)(zhu)力(li)向(xiang)(xiang)(xiang)系(xi)的(de)(de)(de)(de)擾動(dong)(dong)(dong)(dong)(dong)，改善汽車的(de)(de)(de)(de)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)特性(xing)，提(ti)高(gao)汽車的(de)(de)(de)(de)主(zhu)動(dong)(dong)(dong)(dong)(dong)安全性(xing)。和液(ye)(ye)壓助(zhu)(zhu)力(li)相比(bi)沒有液(ye)(ye)壓回路(lu)，調整(zheng)和檢測更(geng)容(rong)易，裝(zhuang)配自(zi)動(dong)(dong)(dong)(dong)(dong)化程度更(geng)高(gao)，且可通過(guo)設置(zhi)不(bu)(bu)同(tong)的(de)(de)(de)(de)程序，快速以及不(bu)(bu)同(tong)車型匹配，縮短生產(chan)和開發周期。

扭矩傳感器的作用(yong)是測量動態扭矩和靜態扭矩，其(qi)檢測穩(wen)定(ding)性、抗干擾(rao)性，以及精度都(dou)很好，每次使用(yong)不需要調整為零。

申馳旅居汽車簡介

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