在(zai)方向盤(pan)下邊的方向桿上(shang)找到(dao)助力(li)電機,電機上(shang)一(yi)般有一(yi)個小鐵蓋護著的、帶四根線(帶有一(yi)個插頭)的就是轉向助力(li)扭矩(ju)傳感器,拆下小鐵蓋就能看到(dao)。
電動(dong)助力轉(zhuan)向(xiang)(xiang)(xiang)系(xi)統主要(yao)由(you)扭(niu)矩(ju)傳(chuan)感(gan)器(qi),車(che)速(su)傳(chuan)感(gan)器(qi),電動(dong)機(ji),減速(su)機(ji)構(gou)(gou)與(yu)電子控(kong)制單元(yuan)等(deng)組成(cheng)。該系(xi)統通過扭(niu)矩(ju)傳(chuan)感(gan)器(qi)感(gan)知駕駛員在轉(zhuan)向(xiang)(xiang)(xiang)操(cao)作(zuo)時方向(xiang)(xiang)(xiang)盤產生的(de)(de)扭(niu)矩(ju)力和轉(zhuan)向(xiang)(xiang)(xiang)角(jiao)度,就會把操(cao)控(kong)信(xin)息(xi)轉(zhuan)換成(cheng)數字信(xin)號輸入到控(kong)制單元(yuan),再經過控(kong)制單元(yuan)對(dui)這些信(xin)號進行運算得(de)到一個最佳的(de)(de)力矩(ju)最后控(kong)制驅使(shi)電動(dong)機(ji)工(gong)作(zuo)。以上(shang)就是(shi)整個電動(dong)助力系(xi)統構(gou)(gou)成(cheng)和工(gong)作(zuo)的(de)(de)過程,不難看出扭(niu)矩(ju)傳(chuan)感(gan)器(qi)在電動(dong)助力系(xi)統中是(shi)最為重要(yao)的(de)(de)器(qi)件之一。
扭(niu)(niu)矩(ju)傳(chuan)(chuan)感器在電動(dong)(dong)(dong)(dong)(dong)助(zhu)(zhu)力(li)轉(zhuan)(zhuan)(zhuan)(zhuan)向系(xi)統(tong)中(zhong)的(de)(de)(de)(de)作用(yong)電動(dong)(dong)(dong)(dong)(dong)助(zhu)(zhu)力(li)轉(zhuan)(zhuan)(zhuan)(zhuan)向系(xi)統(tong)可以稱之(zhi)為(wei)EPS,它(ta)就是一種直接依靠電機提(ti)供(gong)輔助(zhu)(zhu)扭(niu)(niu)矩(ju)的(de)(de)(de)(de)動(dong)(dong)(dong)(dong)(dong)力(li)轉(zhuan)(zhuan)(zhuan)(zhuan)向系(xi)統(tong)。在整(zheng)個(ge)系(xi)統(tong)中(zhong),扭(niu)(niu)矩(ju)傳(chuan)(chuan)感器起(qi)到決定性作用(yong)。與(yu)傳(chuan)(chuan)統(tong)的(de)(de)(de)(de)液壓助(zhu)(zhu)力(li)轉(zhuan)(zhuan)(zhuan)(zhuan)向系(xi)統(tong)不(bu)同的(de)(de)(de)(de)是電動(dong)(dong)(dong)(dong)(dong)助(zhu)(zhu)力(li)轉(zhuan)(zhuan)(zhuan)(zhuan)向系(xi)統(tong)具有性能應用(yong)上更(geng)大(da)的(de)(de)(de)(de)優勢。它(ta)不(bu)光在需要轉(zhuan)(zhuan)(zhuan)(zhuan)向時才啟動(dong)(dong)(dong)(dong)(dong)電機產生(sheng)助(zhu)(zhu)力(li),這樣能大(da)大(da)的(de)(de)(de)(de)減少發動(dong)(dong)(dong)(dong)(dong)機燃油(you)消耗。電動(dong)(dong)(dong)(dong)(dong)助(zhu)(zhu)力(li)能在各種行駛工況下提(ti)供(gong)最佳助(zhu)(zhu)力(li),減小(xiao)由路(lu)(lu)面不(bu)平(ping)所引起(qi)電動(dong)(dong)(dong)(dong)(dong)機的(de)(de)(de)(de)輸出轉(zhuan)(zhuan)(zhuan)(zhuan)矩(ju)通過傳(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)裝(zhuang)置的(de)(de)(de)(de)作用(yong)而助(zhu)(zhu)力(li)向系(xi)的(de)(de)(de)(de)擾動(dong)(dong)(dong)(dong)(dong),改善(shan)汽車的(de)(de)(de)(de)轉(zhuan)(zhuan)(zhuan)(zhuan)向特性,提(ti)高汽車的(de)(de)(de)(de)主動(dong)(dong)(dong)(dong)(dong)安全性。和液壓助(zhu)(zhu)力(li)相比沒有液壓回路(lu)(lu),調整(zheng)和檢測更(geng)容(rong)易(yi),裝(zhuang)配自動(dong)(dong)(dong)(dong)(dong)化程度更(geng)高,且可通過設(she)置不(bu)同的(de)(de)(de)(de)程序,快(kuai)速以及不(bu)同車型匹配,縮短(duan)生(sheng)產和開發周期。
扭(niu)矩(ju)傳感器的作用是測量動(dong)態扭(niu)矩(ju)和靜態扭(niu)矩(ju),其檢(jian)測穩定(ding)性、抗(kang)干擾性,以(yi)及精度都(dou)很好,每次(ci)使用不需要調整為(wei)零。
本田哥瑞是東風本田發(fa)(fa)布的一款概念車,并在(zai)發(fa)(fa)布會上宣布未(wei)來量產(chan)版哥瑞(rui)售(shou)價8萬元(yuan)起,本田哥瑞于11月7日(ri)在中國上市。
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