在方向(xiang)盤(pan)下邊的(de)(de)方向(xiang)桿(gan)上(shang)(shang)找到助力電(dian)機(ji),電(dian)機(ji)上(shang)(shang)一(yi)般有(you)一(yi)個小(xiao)鐵蓋護著的(de)(de)、帶(dai)四根(gen)線(帶(dai)有(you)一(yi)個插頭)的(de)(de)就是轉向(xiang)助力扭(niu)矩傳感器,拆下小(xiao)鐵蓋就能看到。
電(dian)(dian)動(dong)助(zhu)力轉(zhuan)(zhuan)向(xiang)系(xi)統主要由扭(niu)矩傳感(gan)器(qi)(qi),車速傳感(gan)器(qi)(qi),電(dian)(dian)動(dong)機(ji),減(jian)速機(ji)構與電(dian)(dian)子控(kong)(kong)制(zhi)單(dan)元等組成。該(gai)系(xi)統通過(guo)扭(niu)矩傳感(gan)器(qi)(qi)感(gan)知駕駛(shi)員(yuan)在轉(zhuan)(zhuan)向(xiang)操作(zuo)時(shi)方向(xiang)盤產生(sheng)的(de)(de)扭(niu)矩力和轉(zhuan)(zhuan)向(xiang)角度,就(jiu)會把操控(kong)(kong)信息轉(zhuan)(zhuan)換成數字信號輸入到控(kong)(kong)制(zhi)單(dan)元,再經過(guo)控(kong)(kong)制(zhi)單(dan)元對(dui)這(zhe)些信號進行運算得(de)到一個最(zui)佳的(de)(de)力矩最(zui)后控(kong)(kong)制(zhi)驅使電(dian)(dian)動(dong)機(ji)工作(zuo)。以上就(jiu)是(shi)整個電(dian)(dian)動(dong)助(zhu)力系(xi)統構成和工作(zuo)的(de)(de)過(guo)程,不難看出(chu)扭(niu)矩傳感(gan)器(qi)(qi)在電(dian)(dian)動(dong)助(zhu)力系(xi)統中是(shi)最(zui)為重要的(de)(de)器(qi)(qi)件之一。
扭(niu)矩傳(chuan)感器在(zai)(zai)電(dian)動(dong)(dong)(dong)(dong)助力(li)(li)(li)(li)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)系(xi)(xi)統(tong)中的(de)(de)(de)作(zuo)用(yong)電(dian)動(dong)(dong)(dong)(dong)助力(li)(li)(li)(li)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)系(xi)(xi)統(tong)可以稱之(zhi)為EPS,它就是(shi)一種(zhong)直接依靠電(dian)機(ji)提(ti)供(gong)輔(fu)助扭(niu)矩的(de)(de)(de)動(dong)(dong)(dong)(dong)力(li)(li)(li)(li)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)系(xi)(xi)統(tong)。在(zai)(zai)整個系(xi)(xi)統(tong)中,扭(niu)矩傳(chuan)感器起到決定性(xing)作(zuo)用(yong)。與傳(chuan)統(tong)的(de)(de)(de)液壓助力(li)(li)(li)(li)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)系(xi)(xi)統(tong)不同(tong)(tong)的(de)(de)(de)是(shi)電(dian)動(dong)(dong)(dong)(dong)助力(li)(li)(li)(li)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)系(xi)(xi)統(tong)具(ju)有性(xing)能(neng)應(ying)用(yong)上更(geng)大的(de)(de)(de)優勢。它不光(guang)在(zai)(zai)需(xu)要(yao)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)時才(cai)啟(qi)動(dong)(dong)(dong)(dong)電(dian)機(ji)產(chan)生助力(li)(li)(li)(li),這樣(yang)能(neng)大大的(de)(de)(de)減少(shao)發(fa)動(dong)(dong)(dong)(dong)機(ji)燃油消耗。電(dian)動(dong)(dong)(dong)(dong)助力(li)(li)(li)(li)能(neng)在(zai)(zai)各種(zhong)行(xing)駛工況下(xia)提(ti)供(gong)最(zui)佳助力(li)(li)(li)(li),減小由路(lu)面不平所(suo)引(yin)起電(dian)動(dong)(dong)(dong)(dong)機(ji)的(de)(de)(de)輸(shu)出轉(zhuan)(zhuan)(zhuan)矩通過(guo)傳(chuan)動(dong)(dong)(dong)(dong)裝(zhuang)置(zhi)的(de)(de)(de)作(zuo)用(yong)而助力(li)(li)(li)(li)向(xiang)(xiang)系(xi)(xi)的(de)(de)(de)擾動(dong)(dong)(dong)(dong),改善汽車(che)的(de)(de)(de)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)特性(xing),提(ti)高汽車(che)的(de)(de)(de)主(zhu)動(dong)(dong)(dong)(dong)安全性(xing)。和液壓助力(li)(li)(li)(li)相比(bi)沒(mei)有液壓回(hui)路(lu),調(diao)整和檢(jian)測更(geng)容(rong)易(yi),裝(zhuang)配(pei)自動(dong)(dong)(dong)(dong)化程度更(geng)高,且可通過(guo)設置(zhi)不同(tong)(tong)的(de)(de)(de)程序,快速以及(ji)不同(tong)(tong)車(che)型匹(pi)配(pei),縮短生產(chan)和開發(fa)周期。
扭(niu)(niu)矩(ju)傳感器的作用是測量動態(tai)扭(niu)(niu)矩(ju)和靜態(tai)扭(niu)(niu)矩(ju),其檢測穩(wen)定性、抗干擾(rao)性,以及精度都很好,每(mei)次使用不需要調整為零。
法(fa)(fa)拉(la)利(li)458 Italia是(shi)法(fa)(fa)拉(la)利(li)旗下的(de)(de)一款經(jing)典雙門跑(pao)車(che),出自于意大利(li)著(zhu)名的(de)(de)汽(qi)車(che)設(she)計工作室(shi),于2009年(nian)在法(fa)(fa)蘭克福車(che)展上(shang)推(tui)出。該車(che)的(de)(de)整體造形完(wan)全顛覆了過(guo)去法(fa)(fa)拉(la)利(li)跑(pao)車(che)給人(ren)的(de)(de)既有印象,充(chong)滿了未來感。法(fa)(fa)拉(la)利(li)458還配置了4.5L 570馬力V8發(fa)動機,最大馬570ps。
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