在方向盤下(xia)邊的(de)方向桿上找到(dao)助(zhu)力電機(ji),電機(ji)上一般有(you)一個(ge)小鐵(tie)蓋護著(zhu)的(de)、帶四根線(xian)(帶有(you)一個(ge)插頭(tou))的(de)就是(shi)轉向助(zhu)力扭(niu)矩傳感(gan)器(qi),拆下(xia)小鐵(tie)蓋就能看到(dao)。
電(dian)(dian)(dian)動助(zhu)力(li)(li)轉向系統主要(yao)由扭矩(ju)(ju)傳(chuan)感(gan)器,車(che)速傳(chuan)感(gan)器,電(dian)(dian)(dian)動機(ji)(ji)(ji),減速機(ji)(ji)(ji)構與電(dian)(dian)(dian)子控(kong)制(zhi)單(dan)元等組(zu)成。該系統通過扭矩(ju)(ju)傳(chuan)感(gan)器感(gan)知駕駛員在(zai)轉向操作時方(fang)向盤產(chan)生的(de)(de)扭矩(ju)(ju)力(li)(li)和轉向角度(du),就會把操控(kong)信(xin)息轉換成數字信(xin)號輸入到(dao)控(kong)制(zhi)單(dan)元,再經過控(kong)制(zhi)單(dan)元對這些信(xin)號進行運算得到(dao)一個最(zui)佳的(de)(de)力(li)(li)矩(ju)(ju)最(zui)后控(kong)制(zhi)驅使電(dian)(dian)(dian)動機(ji)(ji)(ji)工作。以上就是整個電(dian)(dian)(dian)動助(zhu)力(li)(li)系統構成和工作的(de)(de)過程(cheng),不難看出扭矩(ju)(ju)傳(chuan)感(gan)器在(zai)電(dian)(dian)(dian)動助(zhu)力(li)(li)系統中是最(zui)為重要(yao)的(de)(de)器件之一。
扭矩(ju)(ju)傳(chuan)(chuan)感(gan)器(qi)在(zai)電(dian)動(dong)(dong)(dong)(dong)助(zhu)力(li)(li)轉向(xiang)系(xi)(xi)統(tong)(tong)中的(de)(de)(de)作(zuo)用電(dian)動(dong)(dong)(dong)(dong)助(zhu)力(li)(li)轉向(xiang)系(xi)(xi)統(tong)(tong)可(ke)以稱之為EPS,它就是一種直接依靠電(dian)機(ji)(ji)提供輔助(zhu)扭矩(ju)(ju)的(de)(de)(de)動(dong)(dong)(dong)(dong)力(li)(li)轉向(xiang)系(xi)(xi)統(tong)(tong)。在(zai)整(zheng)個系(xi)(xi)統(tong)(tong)中,扭矩(ju)(ju)傳(chuan)(chuan)感(gan)器(qi)起(qi)到決定性作(zuo)用。與傳(chuan)(chuan)統(tong)(tong)的(de)(de)(de)液壓助(zhu)力(li)(li)轉向(xiang)系(xi)(xi)統(tong)(tong)不(bu)(bu)同的(de)(de)(de)是電(dian)動(dong)(dong)(dong)(dong)助(zhu)力(li)(li)轉向(xiang)系(xi)(xi)統(tong)(tong)具有性能應用上更大(da)的(de)(de)(de)優勢(shi)。它不(bu)(bu)光在(zai)需(xu)要(yao)轉向(xiang)時才啟動(dong)(dong)(dong)(dong)電(dian)機(ji)(ji)產(chan)生助(zhu)力(li)(li),這(zhe)樣能大(da)大(da)的(de)(de)(de)減(jian)少發動(dong)(dong)(dong)(dong)機(ji)(ji)燃油(you)消(xiao)耗。電(dian)動(dong)(dong)(dong)(dong)助(zhu)力(li)(li)能在(zai)各種行駛工況下提供最佳(jia)助(zhu)力(li)(li),減(jian)小由路面不(bu)(bu)平(ping)所引起(qi)電(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)的(de)(de)(de)輸出轉矩(ju)(ju)通(tong)過(guo)(guo)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)裝置的(de)(de)(de)作(zuo)用而助(zhu)力(li)(li)向(xiang)系(xi)(xi)的(de)(de)(de)擾動(dong)(dong)(dong)(dong),改善汽車(che)的(de)(de)(de)轉向(xiang)特性,提高汽車(che)的(de)(de)(de)主動(dong)(dong)(dong)(dong)安全性。和(he)液壓助(zhu)力(li)(li)相比沒有液壓回(hui)路,調整(zheng)和(he)檢測更容易,裝配(pei)自動(dong)(dong)(dong)(dong)化程度更高,且可(ke)通(tong)過(guo)(guo)設置不(bu)(bu)同的(de)(de)(de)程序,快速以及不(bu)(bu)同車(che)型匹配(pei),縮短生產(chan)和(he)開發周期。
扭(niu)矩傳(chuan)感器的(de)作用(yong)是測(ce)量動態扭(niu)矩和靜態扭(niu)矩,其(qi)檢測(ce)穩定性(xing)、抗(kang)干擾性(xing),以及精度都很好,每次使用(yong)不需要調整為零。
開(kai)沃d07的定(ding)位是載客車型。d08主要定位是一個箱式(shi)貨車。
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