在方向(xiang)盤下邊的(de)方向(xiang)桿上找到助(zhu)力電機(ji),電機(ji)上一(yi)般有(you)一(yi)個小鐵(tie)蓋護著的(de)、帶四根線(帶有(you)一(yi)個插頭)的(de)就是(shi)轉向(xiang)助(zhu)力扭矩傳(chuan)感(gan)器,拆下小鐵(tie)蓋就能(neng)看(kan)到。
電(dian)(dian)動(dong)助(zhu)力轉向(xiang)系(xi)(xi)統(tong)(tong)主要由扭(niu)(niu)(niu)矩(ju)(ju)傳(chuan)感器(qi)(qi)(qi),車速(su)(su)傳(chuan)感器(qi)(qi)(qi),電(dian)(dian)動(dong)機,減速(su)(su)機構與電(dian)(dian)子控制單(dan)元等(deng)組(zu)成(cheng)。該系(xi)(xi)統(tong)(tong)通過扭(niu)(niu)(niu)矩(ju)(ju)傳(chuan)感器(qi)(qi)(qi)感知駕駛員在(zai)轉向(xiang)操(cao)作時方向(xiang)盤產(chan)生的(de)扭(niu)(niu)(niu)矩(ju)(ju)力和轉向(xiang)角度,就(jiu)(jiu)會把操(cao)控信息轉換成(cheng)數字信號輸(shu)入到控制單(dan)元,再經(jing)過控制單(dan)元對(dui)這(zhe)些信號進行運算得到一個(ge)最(zui)(zui)佳的(de)力矩(ju)(ju)最(zui)(zui)后控制驅使電(dian)(dian)動(dong)機工作。以上就(jiu)(jiu)是(shi)整(zheng)個(ge)電(dian)(dian)動(dong)助(zhu)力系(xi)(xi)統(tong)(tong)構成(cheng)和工作的(de)過程,不難看出扭(niu)(niu)(niu)矩(ju)(ju)傳(chuan)感器(qi)(qi)(qi)在(zai)電(dian)(dian)動(dong)助(zhu)力系(xi)(xi)統(tong)(tong)中是(shi)最(zui)(zui)為重要的(de)器(qi)(qi)(qi)件之一。
扭矩(ju)(ju)傳感(gan)(gan)器(qi)在電(dian)動(dong)助力(li)(li)轉(zhuan)向(xiang)(xiang)(xiang)系(xi)統(tong)(tong)中的(de)(de)(de)(de)(de)作用(yong)(yong)(yong)電(dian)動(dong)助力(li)(li)轉(zhuan)向(xiang)(xiang)(xiang)系(xi)統(tong)(tong)可(ke)以(yi)稱之為EPS,它就是(shi)一種(zhong)直接依(yi)靠電(dian)機(ji)提供輔助扭矩(ju)(ju)的(de)(de)(de)(de)(de)動(dong)力(li)(li)轉(zhuan)向(xiang)(xiang)(xiang)系(xi)統(tong)(tong)。在整個系(xi)統(tong)(tong)中,扭矩(ju)(ju)傳感(gan)(gan)器(qi)起(qi)到決定(ding)性作用(yong)(yong)(yong)。與傳統(tong)(tong)的(de)(de)(de)(de)(de)液(ye)(ye)壓助力(li)(li)轉(zhuan)向(xiang)(xiang)(xiang)系(xi)統(tong)(tong)不(bu)(bu)同的(de)(de)(de)(de)(de)是(shi)電(dian)動(dong)助力(li)(li)轉(zhuan)向(xiang)(xiang)(xiang)系(xi)統(tong)(tong)具有(you)性能(neng)應用(yong)(yong)(yong)上(shang)更大的(de)(de)(de)(de)(de)優勢(shi)。它不(bu)(bu)光在需(xu)要轉(zhuan)向(xiang)(xiang)(xiang)時才啟動(dong)電(dian)機(ji)產生助力(li)(li),這樣(yang)能(neng)大大的(de)(de)(de)(de)(de)減少發動(dong)機(ji)燃油消耗。電(dian)動(dong)助力(li)(li)能(neng)在各種(zhong)行駛工況下提供最佳助力(li)(li),減小由路面不(bu)(bu)平所引起(qi)電(dian)動(dong)機(ji)的(de)(de)(de)(de)(de)輸出轉(zhuan)矩(ju)(ju)通(tong)(tong)過傳動(dong)裝置(zhi)的(de)(de)(de)(de)(de)作用(yong)(yong)(yong)而(er)助力(li)(li)向(xiang)(xiang)(xiang)系(xi)的(de)(de)(de)(de)(de)擾(rao)動(dong),改善汽車(che)的(de)(de)(de)(de)(de)轉(zhuan)向(xiang)(xiang)(xiang)特性,提高(gao)(gao)汽車(che)的(de)(de)(de)(de)(de)主動(dong)安全性。和液(ye)(ye)壓助力(li)(li)相比沒有(you)液(ye)(ye)壓回路,調(diao)整和檢測更容易(yi),裝配(pei)自(zi)動(dong)化程(cheng)度更高(gao)(gao),且可(ke)通(tong)(tong)過設置(zhi)不(bu)(bu)同的(de)(de)(de)(de)(de)程(cheng)序(xu),快速以(yi)及不(bu)(bu)同車(che)型(xing)匹配(pei),縮短生產和開發周(zhou)期(qi)。
扭矩傳感(gan)器(qi)的作用(yong)是測量動態扭矩和靜態扭矩,其(qi)檢測穩(wen)定性、抗干(gan)擾(rao)性,以(yi)及精(jing)度都很好,每次使用(yong)不需要調整為零。
菲亞特(te)汽(qi)車公(gong)司(si)(si),意(yi)大(da)利(li)著(zhu)名汽(qi)車制造公(gong)司(si)(si),世界十大(da)汽(qi)車公(gong)司(si)(si)之(zhi)一,成立于1899年,總(zong)部位于意(yi)大(da)利(li)工業中心,皮埃蒙特大(da)區首(shou)府都靈。
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