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汽车转向节的建模及有限元分析说明书论文,汽车,转向,建模,有限元分析,说明书,仿单,论文
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姣 涓 璁 璁紙璁 鏂囷級浠 鍔 涔 璁捐 锛堣 鏂囷級棰樼洰锛氭苯杞浆鍚戣妭鐨勫缓妯強鏈夐檺鍏冨垎鏋 瀛敓濮撳悕锛氭瘺褰浆 瀛 鍙凤細 1204104045 涓 涓氾細杞締宸 鎵鍦 闄細鏈虹數宸瀛櫌 鎸囧 鏁欏笀锛氬崲鍐涢攱 鑱 绉帮細鍓暀鎺 鍙戜换鍔功鏃湡锛015骞2鏈0鏃浠诲姟涔鍐欒 姹 1锛庢瘯涓氳璁紙璁烘枃锛変换鍔功鐢辨寚瀵兼暀甯堟牴鎹悇璇鹃鐨勫叿浣撴儏鍐靛鍐欙紝缁忓鐢熸墍鍦 涓 锛 櫌锛夐瀵 瀛 鐢熸 浠诲姟涔 鍦 瘯 涓氳璁紙璁烘枃锛 濮 涓 骞 缁欏 鐢2锛换鍔功鍐 鐢currency1 “鏁fi功鍐欙紝涓fl 変功鍐欙”鏁欏姟涓璁捐 鐨數瀛 枃 紙鍙 鏁欏姟 涓 锛帮紝 枃 鍙 浣 紝 1.5 紝 鎵撳 鍦 涓 3锛换鍔功鍐鍐 鍐 锛 诲瀛敓姣 璁捐 锛堣 鏂囷級 鐨 儏鍐 涓 紝 鍙 锛 褰 墍鍦 涓氬強 紙闄 級涓 棰嗗壒鍚庢柟鍙噸鏂板鍐欍4锛换鍔功鍐 鍏斥滃 闄濄佲滀 涓氣濈瓑鍚嶇 鐨勫鍐欙紝搴啓涓 枃鍏 锛屼笉鑳藉啓鏁板瓧浠爜 傚 鐢熺 鈥滃 鍙封濊鍐欏叏鍙凤紝涓 兘鍙 啓鏈鍚浣嶆垨 1浣嶆暟瀛椼5锛换鍔功鍐呪滀富 佸弬鑰冩枃鐚 濈 啓锛 鎸夌収 婇噾闄鎶瀛櫌鏈 姣 璁捐 锛堣 鏂囷級鎾板啓瑙勮寖 嬬 涔啓 6锛庢 鍏冲勾鏈堟棩绛棩鏈熺 啓锛 褰撴”鐓 浗鏍嘒B/T 7408鈥4 婃暟鎹 厓鍜屼氦鎹忋佷俊鎭 氦鎹 棩鏈熷鏃堕棿琛娉曘 锛屼竴寰嬬敤闃挎媺浼暟瀛椾功鍐欍傚 鈥 002骞 鏈 鏃濇垨鈥 002-04-02鈥濄姣 涓 璁 璁紙璁 鏂囷級浠 鍔 涔 1锛庢湰姣 璁捐 锛堣 鏂囷級璇鹃搴旇揪鍒扮 鐩 锛 閫氳繃鏈 姣 璁烘枃 瀛敓鑳藉鍒敤鏈夐檺鍏冭蒋浠 姹借 杞 悜鑺傝繘琛垎鏋愪 笌鐮旂锛 鐩 鍦簬鍩瑰吇瀛敓缁煎悎鍒瀽鍜岃 鍐崇 鍏抽棶棰樼 鐙 珛宸綔鑳藉 , 撳鍜 鐢熺 锛 鍏诲 鐢熸 鐢 鏈 鏂 藉 璁捐 鎵 锛 繘 琛 暟鎹 啓鎶鏈 枃浠 瓑鏂 鐨勫浣 兘鍔 浣 鐢熷吇 宸綔佸 ,宸綔浣 傚鏃 繘琛岃currency1 “ 鍚fi闄fl 鍚 敓 悜宸鍜 鏈 涔 宸綔鏂 2锛庢湰姣 璁捐 锛堣 鏂囷級璇鹃浠诲姟鐨勫 瑰 锛” 濮 暟鎹 鏈 姹 佸浣 姹 瓑锛細浠嬬 姹借 杞 悜鑺 鍙嗗鍜紝浠嬬 姹借 杞 悜鑺 缁撴锛 杞 悜鑺 鍙 浠嬬 锛 鍏堟牴鎹苯杞浆鍚戣妭鐨勫弬鏁帮紝敤 CATIA杞 锛 鍏 繘琛屼 缁 缓妯璁紝鍏 鏈夐檺鍏冨垎鏋 紝敤 ANSYS杞 锛 姹借 杞 悜鑺傚 涓夌 鍏 宸 涓嬬 鍙 搴 鍒瀽 佸 搴垎鏋 佸垎鏋愪 鍙 鍔冲垎鏋 紝鏈鍚 垎鏋 璁傝 姹 “ 紝 锛 鍚堣 鏂 鍐欒 紝宸綔忓 瘯涓氳璁枃 紝鍙欒 傚 鍏 璁 鏈竴鍙帮紝CATIA杞 ANSYS杞 锛 鍏枃鐚 鏍鏈熷 戣 寰椼姣 涓 璁 璁紙璁 鏂囷級浠 鍔 涔 3锛 鏈 瘯涓氳璁紙璁烘枃锛 棰 鏋滅 浘琛佸fi鐗瓑 曪細鎸湡 涓绡囩 鍚 噾闄鎶瀛櫌璁烘枃瑙勮寖鐨 瘯涓氳 璁紙姣 璁烘枃锛 .5涓囧瓧浠锛”苟闄 鍏崇 鍒瀽鏁版嵁锛浘琛 級锛岃兘璇粏璇存槑鐮旂濊矾锛兘鏈夌 鏋勫畬鏁 紝鍚堢悊鍙 潬鐨 鏈 柟堬鑳芥 鐩 鐨勮 璁 鏄庯紝 剧鍜 鏈 弬鏁拌 鏄庯紝 骞 皢楠岃瘉缁撴灉鍦 枃涓 垪4锛富 佸弬鑰冩枃鐚細 1鍒 儫淇 璁虹浠 苯杞璁強鍏 灞曡秼鍔縖 J.姹借 涓庣浼氾紝1996,1锛 锛塠 2鏉皧紝鍌呯繑.鐜颁唬閿婚敓 嚎鐨勮璁 J.閿诲帇鎶鏈 紝 1996锛岋紙3锛塠3犺繍鍐紝鑳亾鎵 姹借 杞 悜鑺 閿妯敾宸 壓 J.閿诲帇鏈烘 锛 999锛 锛塠 4楂崰姘戯紝鏉 厧 杞诲 杞乏杞 悜鑺傝噦閿婚犲鑹 垎鏋怺 J.1999(8)5钁箣绀 杞胯 杞 悜鑺傞敾浠 崐 棴鎸帇宸 壓J.2000锛 锛塠 6閮戣繍寤凤紝椹 畤锛 鎸 崕 . 跨敤姹借 杞 悜鑺 鍨 繃 熷垎鏋怺J.娌冲崡绉 锛 006锛4锛塠7璧靛痉棰栵紝瀛欐収瀛紝犳槬涔杞胯 杞 悜鑺傞棴 炴尋 褰柊宸 壓鐮旂 J.閿诲帇鎶鏈2006锛 锛塠 8 璧靛痉棰栵紝瀛欐収瀛 杞胯 杞 悜鑺傞棴 炴尋 褰繃嬬“禰 J. 戞 鎶紝 2006,139璧靛痉棰栵紝瀛欐収瀛紝忓崌 碉紝鏁板兼 熷 杞胯 杞 悜鑺傞棴 炴尋 褰腑鐨勫 鐢J.鐑 姞宸 鑹猴紝 2007锛610寰愬畞侊紝鍒 枃鏂帮紝璁告爲鍕 鐩紡杞 悜鑺 閿 鏈夐檺鍏冩 熶笌為獙鐮旂J.閿诲帇瑁 涓埗閫犳 鏈紝 200911鍐 編鏂杞 悜鑺 鍜fi楠孾J.姹借 绉戞 锛99412鍒 儫淇富 栵紝姹借 璁捐M. 椾含锛氭竻瀛 鐗堢锛00113钁 鐢 紝浠 姹借 鍓嶆 杞 悜鑺傚 鏁” 犳 鏋愬強棰 J.灞 鏈烘 锛 00414鏉庣 紝 锛 傝 .杞 悜鑺傝噦辨 鍒瀽 J.姹借 鎶鏈 紝 1988锛 锛塠 15 嬬 .杞 悜鑺 闄愬厓鍒瀽鍙 fi楠 獙璇 J.杞締涓 鍔 鏈紝 2008姣 涓 璁 璁紙璁 鏂囷級浠 鍔 涔 5锛庢湰姣 璁捐 锛堣 鏂囷級璇鹃宸綔 璁 锛 2015.12.05-2016.01.15 閫夐锛鍐欏 棰 锛 寚瀵兼暀甯 鍙戜换鍔功锛 鐢熸 闃 棰樼 鍏冲弬鑰冩枃鐚 鏂欙紝鎾板啓棰 2016.01.16-2016.02.25愪氦棰 佸 鏂囧弬鑰冭 鏂欏強璇戞枃 瘯涓氳璁紙璁烘枃锛 濮 瘯涓氳璁璁烘枃 ) 2016.02.26-2016.04.15鍏璁捐 “柟”fi鏂currency1紝愪氦姣 璁捐 锛堣 鏂囷級夌 锛鍐腑鏈熸 2016.04.16-2016.05.05 璁烘枃璁 鏄功 佸浘“瓑鏉 锛 瘯涓氳璁紙璁烘枃锛 fi紝鎸囧 鑰佸笀fl 2016.05.06-2016.05.13愪氦姣 璁捐 鏂 锛 鐢熷囩 璇 鏁欏笀璇 瀛敓姣 璁捐 锛堣 鏂囷級 2016.05.13-2016.05.26鏍嵁瀛櫌缁熶竴锛岃繘琛 瘯涓氳璁紙璁烘枃锛夌 鎵鍦 涓氬 ”瑙侊細閫氳繃 猴細 2016 骞 1 鏈 22 鏃姣 涓 璁 璁紙璁 鏂囷級寮 棰 鎶 鍛 璁捐 锛堣 鏂囷級棰樼洰锛氭苯杞浆鍚戣妭鐨勫缓妯強鏈夐檺鍏冨垎鏋 瀛敓濮撳悕锛氭瘺褰浆 瀛 鍙凤細 1204104045 涓 涓氾細杞締宸 鎵鍦 闄細鏈虹數宸瀛櫌 鎸囧 鏁欏笀锛氬崲鍐涢攱 鑱 绉帮細鍓暀鎺 2016 骞 1 鏈8 鏃 寮棰樻姤鍛婂鍐欒 姹 1锛庡紑棰樻姤鍛婏紙鍚 滄枃鐚 患杩扳濓級浣滀负姣曚笟璁捐 锛堣 鏂囷級绛旇京濮斿憳浼氬 瀛 敓绛旇京璧勬牸瀹煡鐨勪緷鎹潗鏂欎箣涓銆傛鎶 斿 鎸囧 鏁欏笀鎸囧 涓 姣 曚笟璁捐 锛堣 鏂囷級宸 鍓 鍐 暀 強鎵鍦 涓氬 锛2锛庡紑棰樻姤鍛婂瀹currency1“fifl宸 鏁欏涓璁捐 鐨數瀛”枃 牸寮 帮 鎵撳鍦瀹涓婂鍓 锛 斿強鏃 暀 3锛滄枃鐚患杩扳 鎸 鏂 ”枃锛 锛 鎵撳锛 鏈 紑棰樻 姤鍛 涓 洰鍐 瀛敓鍐枃鐚 患杩 鍙 枃鐚 涓 5囷紙涓 鍏 鍐 級锛4锛 鍏 鏈 绛 鏈 锛 褰 B/T 7408 4銆 鎹 鍜屼 鎹牸寮忋佷俊鎭 鎹 鏈 拰鏃堕棿琛娉曘嬭瀹氱 瑕眰锛屼竴寰嬬闃挎媺浼 瀛椾功鍐欍傚 004骞 鏈 6鏃濇 004-04-26 濄5銆 紑棰樻姤鍛婏紙鏂 尞 艰堪锛 瓧浣撹 鎸 畫浣撱 皬鍥涘彿锛岃闂磋窛 1.5鍊嶃姣 涓 璁 璁紙璁烘枃锛 寮 棰 鎶 鍛 1锛庣粨鍚 瘯涓氳璁紙璁烘枃锛 棰樻儏鍐碉 规嵁鎵 槄鐨勬枃鐚祫鏂欙 姣忎汉鎾板涓 000瀛楀乏鍙崇 鏂 尞 艰堪锛閫夐 鐨洰鐨勫拰鎰忎箟锛 闅潃 氳繍杈撲簨涓氱 杩呯寷鍙睍锛屾苯杞 氳繍杈撹 涓氱 浣跨鏃泭鏅 亶銆 浆鍚戣妭鏄苯杞簳 樹腑鐨勯噸瑕侀浂浠箣涓 ,瀹冧笌姹借溅鐨勬偓鏋躲 墠杞酱銆佽浆鍚戠郴浼犲姩鏈烘瀯鍜 埗鍔櫒 歌繛鎺 鍏锋鎵垮彈姹借溅鍓嶉儴杞借嵎銆 甫鍔墠杞疄鐜版苯杞浆鍚戠瓑鍔 銆傚 涓斿 鐨勫 鍏 褰 姹借溅鏁 瀹 銆 潃鍛 拰 溅 呯 瀹 銆傚 姹借溅杞 杞締鐨勪 拰瀹 鏈夐噸 鎰忎箟銆鍥currency1“fi細杞 傛fl姹借溅涓 锛 鐨勪瑕 fl鎵鍜岃浆鍚” 鎾戣溅浣噸浼 浆鍚拰 姩鍓 曚杞 姩 屼姹借溅杞 绛傚 浆 鍚戣妭鐨勫 褰粨鏋勫拰鏈烘 鏈 瑕眰銆鍥 氬 姹借溅杞 涓鏈 涓currency1“瑕fl 浆鍚戣妭鐨勫埗閫犲 拰鍔犲 鏂规 绛 琛 “躲傛 銆 斿 銆 浠 閫 敓鐨 璁 腑 噸 苯杞浆鍚戣妭鐨妯宸 杩 锛 鏅 銆 鍦 婂 63 MN 鍔涓 敓 鐨勫垎鏋 腑 妯骇绾夸笂杞 宸 鐗圭偣鍜屾 彉褰绛夛寮犺繍鍐涖佽儭閬墠鐨勩 苯杞浆鍚戣妭鐨勯敜涓 恒嬪拰楂 崰戙潹鎱庡崕鐨勩 交 嬭溅宸浆鍚戣妭鑷傞閫犲 垎鏋 嬭 璁轰簡姹借溅杞 傚強杞 噦鐨勯閫犲 璁负 笂绘 浣滄 渚 渷鏉”枡锛 懀嬬鍦 杞浆鍚戣妭 婂皝闂尋鍘嬪 恒 腑 嚭婂皝闂 尋鍘嬬敓 涓庨敜currency1浉姣斿崟鍙浠跺 害鍘潗鏂 kg銆傞儜杩环,畤 ,濮 尟庡 銆 熆 苯杞浆鍚戣妭 瀷杩 妯嫙鍒瀽銆 腑 鍒氬 闄娉曞 跨姹借溅杞 傞绘垚褰 琛屼簩 熴備竴涘currency1“惰呮彁 轰簡杞婂浐垚褰 猴 骞跺 婂浐垚褰苯杞浆鍚戣妭杩 繁鍏“鍙栧 緱涓瀹氳 灞曘绗 簩currency1“瑕fl 浆鍚戣妭鐨勫己 垰 柌鍔 鏁 瓑鏂 潰杩 銆 繎骞 潵,鏈夐檺鍏冨垎鏋愯蒋浠 噺 涓 垎鏋愯浆鍚戣妭 愪緵鍔 宸 銆傞檲“庡嵖,璋 户濮滄 庡 銆婂熀嶢 NSYS鐨 浆鍚戣妭鏈夐檺鍏冨垎鏋 腑鍒鏈夐檺鍏冨垎鏋愯蒋浠跺 杞 鍙楀鎸夌収涓夌鍏稿瀷宸 喌杩 璁畻鍒瀽 ,寰楀埌嗚浆鍚戣妭 瀯璁捐 鐨 杽寮辩幆 涓烘敼杩 璁彁渚涗簡渚濇嵁锛涘紶绾棗绛 汉鍦 婂熀嶢 NSYS鐨勫杞浆鍚戣妭鏈夐檺鍏冨垎鏋 腑鍚屾牱鍒 ANSYS杞 鍒瀽嗗 涓夌宸 喌涓嬬 杞 鍔涳 纭 畾璇浆鍚戣妭婊 冻欏己 姹傦閮浆褰 銆奡 TEYR杞 傚缓妯笌寮 害鍒瀽銆 腑鍒Solid works 虹珛嗚浆鍚戣妭瀹炰 妯瀷,閫氳繃鎺 彛 煎叆涓 椾簡鍏稿瀷宸 喌鐨勯 寮 害锛 绾 銆侀 鍥 珛鍦 婂熀嶢 NSYS鐨熆 苯杞浆鍚戣妭鍙 垎鏋 腑锛 涓夌 杞 虹珛鐨勫疄浣 嬪 鍏 NSYS鍚 娉曞垎鏋愪簡杞 鍙 “簡璇 鏂 旇浆鍚戣妭 , ro/E 虹珛鐨 浆鍚戣妭 煎叆ANSYS杩 寮 害璁畻 ,骞跺 杞 琛屼簡妯 垎鏋 嬬 鍦 浆鍚戣妭鏈夐檺鍏冨垎鏋強璇 岃 銆 腑 Hyper mesh 杞 规 杞 琛 煎 鍒 骞惰 琛屼簡 斿鍒瀽鍜 柌鍔 垎鏋 涓涘栧 繍 SC. Fatigue 杞 浆鍚戣妭鍜岃浆鍚戣妭鑷 琛 柌鍔 椾簡 垮 ,骞 彁 轰簡 寮害鎺 锛涗浠 轰 鍙 璁 娉 虹珛currency1鏉 杞 鏈夐檺鍏冨垎鏋” 鍦 闄 鍒瀽鐨勫熀纭涓婂“杞 垮 杩 “躲 鍙 枃鐚細1鏉庡 呯fi .鐜fl 敓鐨 璁 J.鎶鏈1996,(3):7-122 氾 楀鏉 鍦 3MN 鍔涓 敓 鐨勫垎鏋 J.姹借溅宸 涓潗鏂欙 1998(5):4-93寮犺繍鍐涳 鎵 姹借溅杞 笂妯宸 J.鏈烘 锛 999(1): 26-284楂 崰” 鏉 杞瀷杞乏杞 噦犲 垎鏋 J.姹借溅鎶鏈 1999(8): 23-245箣” 杞溅杞 傞浠跺 侀鎸宸 J.鎶鏈 2000(6): 9-106閮戣繍 凤 畤锛 鎸 崕 .跨姹借溅杞 傛垚 嬭繃 垎鏋 J. 绉锛006, 24锛 锛 551-5537E. Doege. Thixo-Schmieden von stahl. Neuere Entwicklungen in der Massivumformung J. DGM Massivumformung, 20038GHirt, R.Cremer, T.Witulski. Lightweight near net shape components produced by thixoformingJ.Materials&Design, 1998, 18(4): 315-3219闄 璋 户 濮滄 轰 ANSYS鐨 浆鍚戣妭鏈夐檺鍏冨垎鏋 J.鏈烘 宸 2005 锛1锛 57-5810寮 鏃 规枃鍒氾 寰” .轰 ANSYS鐨勫 杞浆鍚戣妭鐨勬闄 鍒瀽 J. CAD/CAM涓庡埗閫笟 2002锛 锛 25-2711閮 浆褰 STEYR杞 傚缓妯笌寮 害鍒瀽 J. 绉 锛 006, 24 (2): 272-27312鐜嬬 轰 ANSYS鐨熆 苯杞浆鍚戣妭鍙 垎鏋 J.熆鏈烘锛007, 28 (4): 109-11113 嬬 .杞 傛闄 鍒瀽鍙 瘯 璇 J.杞締涓庡姩鍔 鏈 2008 (4): 5-814Peter J.Heyes,鏋 鏂 轰 鏈夐檺鍏 璁捐 鍒瀽 currency1 MSC/FATIGUEJ.涓鏈烘 宸锛 998(11):12-1515 Mehrdad Zoroufi. 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This article mainly from the cars active safety technology and passive safety technology two aspects elaborated the importance of car parts， and how to improve the safety of the car. Key words: automobile， active safety technology， passive safety technology As traffic tools of the modernization and absolute number increase sharply， traffic accidents are also increasing. Car accident has become severe global social issues. Undoubtedly， advanced auto safety facilities are the driving safety indispensable safeguard. So， we should start， from technology to research and development of high performance， high safety car， also want to strengthen the regular inspection in cars， so timely maintenance investigation， make cars often in good technical status， so as to improve the safety performance of the car. Here we introduced active safety technology and automobile car passive safety technology. Auto safety is according to the traffic accident happened before and after the classified. One is in a traffic accident take safety measures， especially before immediately will produce risk condition， drivers manipulate the steering wheel avoid or emergency brake to avoid traffic accidents. In the car， drive in usually to ensure the basic manipulation stability， drivers on the surrounding environment and to ensure the visual recognition sex drive the car itself， developed the basic performance ant-lock braking system (ABS)， prevent slippery drive system (ASR)，active suspension， power steering and four-wheel drive (4WD)， four-wheel steering (4WS)， lighting system， wiper， the rearview mirror， prevent from rear-end collision car alarm system and laser radar， etc. These security devices and technology， called active safety system， can also be called preventive security system. On the other hand， in order to reduce traffic accidents and company by personnel directly suffer degree， ensure company take staff and pedestrian safety， says the security for passive safety， can also be called conflict safety. When after the accident， in order to prevent disasters， including prevent the expansion of fire and make crew from traffic accident can extricate the security devices and systems， called prevent disaster expand security system. OneAutomobile active security technology 1. ABS braking system Ant-lock Braking System (Braking System， lock do by ABS computers as ABS)， hydraulic device， the wheel speed sensors， brake hydraulic pipeline and electrical wiring etc. Their structures are shown below. ABS tasseled for the car in various driving conditions braking performance and brake safety particularly important， especially is emergency braking， can make full use of the peak between tire and road surface adhesion properties， improve performance and reduce automobile fight sideslip braking distance， give full play to the braking performance， but also increase the automobile braking process control. So as to reduce the possibility of car accidents. No installation ABS car， if the driving force trample brake pedal， wheel will rapidly lower speed， and finally wheels stop turning， but body because of inertia remains forward sliding. This phenomenon was at the wheel and pavement occur between larger “slip“， appear this kind of situation， the car tires of automobile lateral spreads almost disappear， so poor force will appear the following phenomena: (1) Steering stability fall: the steering wheel is ineffective， vehicle tail manipulation of curl， serious when vehicle circles or appear folding phenomenon; (2) Handling fall: manipulate the steering wheel and short of steering requirements; (3) Braking distance extended: more than general braking distance. So， we can imagine to have installed ABS system of the car safety is very important. 2the ASR drive torque control system ABS are used to prevent car braking process wheel lock， will wheel sliding rate control in ideal range， so as to shorten the braking distance， improve automobile braking direction stability and steering control， so as to improve the safety of the car. Along with the increase of vehicle performance requirements， not only in braking process required to prevent wheel lock， and asked the driver to prevent drive roller skating turn in the process， making cars in the direction stability， driving process steering control ability and acceleration performance， so are improved by the car drive torque steering system ASR (Accelerations Regulation) Slip. ASR is the perfect complement and ABS ASR， but most alone is set with ABS combined together， commonly used ABS/ASR says， called antiskid control system. ASR is mainly used to prevent car in the beginning， accelerate the wheels， guarantee slip in the car accelerated rate and improve the stability in bad pavement drive attached conditions. It makes no difference speed in the car lock ice roads and muddy road started and to improve its capacity， also can prevent high in speed by turning cars gliding pavement and rear lateral spreads phenomenon. Anyhow， prevent the wheel because ASR slip， can maximize the engine driving moment of cars had enough， ensure the longitudinal force， lateral force and manipulation of power， make cars in starting， steering and accelerate the process， in gliding and muddy road， in a mountain area downhill process can steadily driving， guarantees the safety， reducing tire wear and fuel consumption， and improves the car driving capability. 3VDC system ABS/ASR system successfully solves the brake and the car when driven direction stability problem， but cannot solve the vehicle steering stability problem driving direction. For example when steering road， inevitably by lateral and longitudinal force， only local surface can provide full lateral and longitudinal force， the pilot can control vehicles. If the ground adhesion ability lower lateral， will damage cars driving ability predetermined direction. Rainy days cars driving， often high-speed steering lateral sliding out， it is the ground because of insufficient lateral adhesion ability. To resolve the issue， and developed countries automobile industry recently in ABS/ASR system on the basis of the development of dynamic Control system (into car Dynamics Control， the abbreviation VDC Vehicle). The system of the car brake， driving， suspension， steering， engine and so on various main assembly control system in function， structure organic ground comprehensive together， can make cars in all kinds of bad working conditions， such as ice road pavement， commuting， river bend pavement and took evasive action moving line， braking and acceleration and the downhill for different conditions， such as bearing， different type pressure and different levels of type wear all have good direction stability， to show the best driving performance. VDC applications， in braking， acceleration and steering aspects of drivers fully released request， is the car of active safety driving a new milestone. VDC of steering control system is mainly by driving for each wheel brake control and engine power output control to realize. For example， if the car turn left front wheel for steering the inadequate capacity tend to slip out of the corner， VDC system can measure imminent， just know lateral spreads left rear brake adopt appropriate measures. If at the same corner， because rear wheel tend to slip out of favor of lateral overmuch， VDC system is proper braking to front-right wheel failure， maintain the stability of the vehicle driving. In extreme cases， VDC system can also take reduce engine to reduce the power output， and to reduce the speed of the demand side adhesion ability to maintain the stability of the vehicle driving. Adopt VDC system， automobile in folio pavement or corner of pavement braking distance still can further reduce. 4 CCS cars cruise control system Auto cruise Control System (Cruiser Control System， abbreviation for CCS) is can make automobile work in engine favorable speed range， reduce drivers driving manipulate labor intensity， improve the driving comfort the automatic driving device. Car cruising system (CCS) role is required by the driver: after a normally-closed switch， no speed on the accelerator pedal can automatically keep the speed， make the vehicle with the fixed speed. Using this device， when on the highway after a long time， the driver driving not have to control the accelerator pedal， reduce fatigue， while reducing unnecessary speed change， can reduce save fuel. Auto cruise control system is the earliest development of the automotive electronic control system. This system uses another speed sensor， will speed signal input engine control microcomputer， by microcomputer control vacuum system work. This system can make use of the server， speed control switch lever and brake pedal on vacuum lift switches etc， its function and basic system the same. In this system， electronic control device can accord change of driving resistance， automatic regulation engine throttle Angle， make the speed constant. Such not only reduce unnecessary speed change， which saves fuel， also reduced the drivers burden. Two. Automobile passive safety technology 1. Seat belt Car seat belt is a safety device， it can in car collision or sharp turn， make crew to keep its original position as possible without mobile and rotation， avoid collision with in-car hard parts caused damage. Seat belts and airbags， as modern cars are safety devices， but the long history of the former， popularize the scope. The seemingly simple seat belt actually not “simple“. Attention has been at the forefront of traffic safety， through the analysis of general motors after a car accident found: seat belt not only makes people protect the lives， can be in more than half of the accident to reduce or even eliminate drivers， motorists are the chance of injury. Car collision or unexpected emergency braking force generated great inertia， will allow the driver and passenger and car windscreen， steering wheel， seat， collision happened objects such as secondary to drive is caused extremely easily crew serious damage， even drive occupant seats or threw the apex， seat belts can will ride in the seat. Bondage personnel When has the accident， which can effectively prevent the collision， and its buffer role can absorbs a great deal of kinetic energy， reduce rides personnel extent of the injuries. Fasten your seat belt airbags play our role is also an important condition. Because the airbag to maximize role for the ride in the impact of the physical location， sitting instant action have extremely strict and the requirements. Otherwise， the airbag started strong instantaneous wallops to head are fragile site， may cause serious damage， especially for children， this damage can be fatal. Even the most ordinary three belts， try a can timely in crash that lived rides the bundle， ensure the upper part of a ride in the airbag fully extended range， make the airbag most effectively play efficacy. Accordingly， must not because the car is equipped with airbags and feel carefree seat belt fastened， only to reduce or eliminate the traffic accident happen. 汽车安全系统技术研究与分析摘要：汽车零部件的好与坏将直接影响汽车行驶的安全性，直接关系着人们的生命安全和财富安全。本文主要从汽车的主动安全技术和被动安全技术两方面来阐述汽车零部件的重要性，以及如何提高汽车行驶的安全性。关键词：汽车、主动安全技术、被动安全技术作为现代化的交通工具和绝对数量的急剧增长，交通事故也在不断增加。交通事故已成为严峻的全球性社会问题。毫无疑问，先进的汽车安全设施是行车安全不可缺少的保障。所以，我们应该从技术研发方面入手，努力研究开发高性能、高安全性的汽车，同时也要加强对在用汽车的定期检查，以便及时检修，使汽车经常处于良好的技术状况，从而高汽车行驶的安全性能。这里我们重点介绍汽车主动安全技术和汽车被动安全技术。汽车的安全性是按交通事故发生的前后加以分类的。一方面是在交通事故发生之前采取安全措施，特别是在马上会产生危险状况时，驾驶者操纵方向盘，避免或紧急刹车，以避免交通事故发生。汽车在通常的行驶中，为确保驾驶者的基本操纵稳定性，对周围环境的视认性和汽车本身的基本行驶性能，开发了防抱死制动系统(ABS)、防滑驱动系统(ASR)、主动悬架、动力转向、四轮驱动(4WD)、四轮转向(4WS)、灯光照明系统、刮水器、后视镜、防止车辆追尾的车距报警系统和激光雷达等。这些安全装置和技术称为主动安全系统，也可称为预防安全系统。另一方面，为了尽量减少交通事故和降低司乘人员直接受害程度，保证司乘人员和行人的安全，我们称这种安全性为被动安全，也可称为冲突安全。当事故发生后，为了防止灾害的扩大，包括防止火灾和使乘员能从事故车辆中解脱出来的安全装置和系统，被称为防止灾害扩大的安全系统。一、汽车主动安全技术1.ABS 防抱死制动系统防抱死制动系统(Anti-lock Braking System，简称 ABS)由 ABS 电脑、液压装置、车轮转速传感器、制动液压管路及电器配线等组成。ABS 系统对汽车在各种行驶条件下的制动性能及制动安全尤为重要，特别是紧急制动，能够充分利用轮胎和路面之间的峰值附着性能，提高汽车抗侧滑性能并缩短制动距离，充分发挥制动效能，同时增加了汽车制动过程中的控制。从而降低了汽车事故发生的可能性。 没有安装 ABS 的汽车，如果在行驶中用力踩踏制动踏板，车轮会急速降低转速，最后车轮停止转动，但车身但车身因为惯性仍然向前滑动。这种现象在车轮与路面之间发生较大的“滑移” ，出现这种状况时，汽车轮胎的横向扩散几乎消失，于是会出现下述现象：（1）转向稳定性下降：方向盘不灵，车辆尾部上翘，严重时车辆打转或出现折叠现象；（2）操纵性下降：操纵方向盘而达不到转向要求；（3）制动距离延长：超过一般的制动距离。所以，可想而知装设 ABS 系统对汽车行驶的安全性是非常重要的。2ASR 驱动防滑控制系统ABS 用于防止汽车制动过程中车轮抱死，将车轮的滑移率控制在理想的范围内，以缩短制动距离，提高汽车制动时方向稳定性和转向操纵性，从而
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