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分(fen)時(shi)驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)分(fen)時(shi)驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)就(jiu)(jiu)是(shi)(shi)由駕(jia)(jia)駛員(yuan)根據(ju)路(lu)面(mian)情(qing)況(kuang)(kuang)(kuang)(kuang)，選擇四驅(qu)或者兩(liang)(liang)驅(qu)，這也是(shi)(shi)一般(ban)越(yue)野車或四驅(qu)SUV 常見(jian)的(de)(de)(de)驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)模(mo)(mo)式(shi)。分(fen)時(shi)驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)較大(da)的(de)(de)(de)特(te)點就(jiu)(jiu)是(shi)(shi)人工(gong)操作，由駕(jia)(jia)駛員(yuan)根據(ju)路(lu)面(mian)情(qing)況(kuang)(kuang)(kuang)(kuang)通過接通或斷開分(fen)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)器(qi)來變化兩(liang)(liang)輪驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)或四輪驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)模(mo)(mo)式(shi)，較大(da)的(de)(de)(de)優點就(jiu)(jiu)是(shi)(shi)可(ke)(ke)以(yi)根據(ju)實(shi)際情(qing)況(kuang)(kuang)(kuang)(kuang)來選取驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)模(mo)(mo)式(shi)，比(bi)較經濟。就(jiu)(jiu)拿普通的(de)(de)(de)越(yue)野車而(er)言(yan)，一般(ban)都(dou)有(you)三種驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)模(mo)(mo)式(shi)可(ke)(ke)以(yi)選擇：在公路(lu)上行駛使用(yong)2H 高(gao)(gao)速(su)(su)兩(liang)(liang)輪驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)檔，當遇到雨雪(xue)路(lu)況(kuang)(kuang)(kuang)(kuang)時(shi)選擇4H 高(gao)(gao)速(su)(su)驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)增(zeng)強(qiang)車輛(liang)的(de)(de)(de)附著力和操控性(xing)，而(er)面(mian)對(dui)(dui)惡劣路(lu)況(kuang)(kuang)(kuang)(kuang)的(de)(de)(de)挑(tiao)戰時(shi)又(you)可(ke)(ke)采(cai)用(yong)4L 低速(su)(su)四輪驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)，使動(dong)(dong)(dong)(dong)(dong)(dong)(dong)力作用(yong)在全部四個(ge)車輪上，從而(er)降低了對(dui)(dui)每個(ge)輪胎附著力的(de)(de)(de)要(yao)求，減小了轉彎時(shi)車輪空(kong)轉的(de)(de)(de)幾(ji)率，發(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機制動(dong)(dong)(dong)(dong)(dong)(dong)(dong)能力也得以(yi)增(zeng)強(qiang)，極大(da)地提高(gao)(gao)了車輛(liang)在崎嶇或光(guang)滑(hua)路(lu)面(mian)行駛時(shi)在油門突然關(guan)閉的(de)(de)(de)情(qing)況(kuang)(kuang)(kuang)(kuang)下的(de)(de)(de)可(ke)(ke)控性(xing)。優點是(shi)(shi)可(ke)(ke)根據(ju)實(shi)際情(qing)況(kuang)(kuang)(kuang)(kuang)來選取驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)模(mo)(mo)式(shi)，比(bi)較經濟；缺點是(shi)(shi)其機械結構比(bi)較復雜，駕(jia)(jia)駛員(yuan)要(yao)具有(you)一定的(de)(de)(de)經驗才能掌握好切換時(shi)機。

分動(dong)器(qi)的(de)功能是執行前(qian)后(hou)輪扭矩(ju)分配功能，在分動(dong)器(qi)中間布(bu)置一(yi)個濕式(shi)多片離合(he)器(qi)，該離合(he)器(qi)右(you)端通(tong)過傳(chuan)動(dong)軸驅動(dong)后(hou)輪，左端通(tong)過鏈傳(chuan)動(dong)驅動(dong)前(qian)輪。電(dian)控(kong)(kong)單(dan)元（ECU)ECU是AWD系(xi)(xi)統(tong)的(de)核(he)心，其功用(yong)是根據制(zhi)(zhi)(zhi)定的(de)控(kong)(kong)制(zhi)(zhi)(zhi)方案，按照(zhao)編制(zhi)(zhi)(zhi)的(de)程(cheng)序對(dui)各種(zhong)傳(chuan)感器(qi)輸入信(xin)號(hao)進(jin)行分析、計算、處理(li)，輸出(chu)一(yi)定的(de)控(kong)(kong)制(zhi)(zhi)(zhi)信(xin)號(hao)指令，驅動(dong)電(dian)磁閥(fa)動(dong)作。AWD系(xi)(xi)統(tong)ECU主要(yao)由輸入信(xin)號(hao)調理(li)電(dian)路、微處理(li)器(qi)、輸出(chu)信(xin)號(hao)處理(li)電(dian)路、電(dian)源電(dian)路等(deng)硬(ying)件(jian)(jian)部(bu)分以及控(kong)(kong)制(zhi)(zhi)(zhi)系(xi)(xi)統(tong)和控(kong)(kong)制(zhi)(zhi)(zhi)程(cheng)序、軟件(jian)(jian)平臺等(deng)軟件(jian)(jian)部(bu)分組成。為保(bao)證控(kong)(kong)制(zhi)(zhi)(zhi)系(xi)(xi)統(tong)可靠地工作，電(dian)控(kong)(kong)單(dan)元還必須采取有效的(de)抗(kang)干擾措(cuo)(cuo)施和故障自診(zhen)斷處理(li)措(cuo)(cuo)施。

湖北中特工(gong)程(cheng)(cheng)機(ji)械有(you)(you)限公司，成立(li)于(yu)2009年，位于(yu)湖北咸(xian)寧市咸(xian)安(an)經濟開(kai)發(fa)區，注冊(ce)資金1000萬元，專業技術人員23名，員工(gong)220名，廠(chang)區占地70畝。 公司承襲湖北咸(xian)寧工(gong)程(cheng)(cheng)機(ji)械股(gu)份有(you)(you)限公司幾十年技術積累，擁有(you)(you)先進的(de)生產、檢測設備，依靠技術和科學管(guan)理，產品與國內外成功企業對接(jie)，是(shi)從(cong)事履帶式工(gong)程(cheng)(cheng)機(ji)械底盤和液(ye)壓件研發(fa)、制造和銷售(shou)的(de)專業型(xing)企業。產品銷售(shou)覆蓋國內，積極(ji)參與國際市場競(jing)爭。 公司通過ISO9001-2000質量體系(xi)認證(zheng)和國家(jia)軍(jun)標質量體系(xi)認證(zheng)。 質量方(fang)針：品質成就未來(lai)，您滿意(yi)是(shi)我的(de)執著(zhu)追(zhui)求。 經營理念：誠信務(wu)實、開(kai)拓、、安(an)全環保 核心價值觀：以人為本、共建共享(xiang)、知難而進，追(zhui)求